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int64
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#include <algorithm> #include <math.h> #include <queue> #include <stdio.h> #include <utility> bool CheckMSPrime(int _n) { for (int i = 2; (i * i) <= _n; i++) { if (_n % i == 0) { if (i % 7 == 1 || i % 7 == 6) { return false; } } } return true; } void PrintPrime(int _n) { printf("%d:", _n); for (int i = 2; i <= (_n / 2); i++) { if (_n % i == 0) { if (i % 7 == 1 || i % 7 == 6) { if (CheckMSPrime(i) == true) { printf("%d ", i); } } } } if (_n % 7 == 1 || _n % 7 == 6) { if (CheckMSPrime(_n) == true) { printf(" %d", _n); } } printf("\n"); } int main() { int n; while (true) { scanf("%d", &n); if (n == 1) { break; } PrintPrime(n); } return 0; }
#include <algorithm> #include <math.h> #include <queue> #include <stdio.h> #include <utility> bool CheckMSPrime(int _n) { for (int i = 2; (i * i) <= _n; i++) { if (_n % i == 0) { if (i % 7 == 1 || i % 7 == 6) { return false; } } } return true; } void PrintPrime(int _n) { printf("%d:", _n); for (int i = 2; i <= (_n / 2); i++) { if (_n % i == 0) { if (i % 7 == 1 || i % 7 == 6) { if (CheckMSPrime(i) == true) { printf(" %d", i); } } } } if (_n % 7 == 1 || _n % 7 == 6) { if (CheckMSPrime(_n) == true) { printf(" %d", _n); } } printf("\n"); } int main() { int n; while (true) { scanf("%d", &n); if (n == 1) { break; } PrintPrime(n); } return 0; }
[["-", 0, 1, 0, 2, 3, 4, 0, 5, 0, 6], ["+", 0, 1, 0, 2, 3, 4, 0, 5, 0, 6]]
1
239
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) #define REP(i, init, n) for (int i = init; i < (n); i++) using namespace std; using ll = long long int; using P = pair<int, int>; using T = tuple<int, int, int>; using edge = struct { int to, cost; }; const int MOD = 1e9 + 7; const int iINF = 1e9; const long long int llINF = 1e18; const double PI = acos(-1.0); const int dx[4] = {1, 0, -1, 0}; const int dy[4] = {0, 1, 0, -1}; const int MAXNUM = 300000; bool isSatNum[MAXNUM + 1]; void SatNum() { rep(i, MAXNUM + 1) isSatNum[i] = true; for (int i = 2; i < sqrt(MAXNUM) + 1; i++) { if (isSatNum[i] && (i % 7 == 1 || i % 7 == 6)) { for (int j = i * 2; j < MAXNUM + 1; j += i) { isSatNum[j] = false; } } } } int main() { SatNum(); vector<int> SatNums; REP(i, 2, MAXNUM + 1) if (isSatNum[i] && (i % 7 == 1 || i % 7 == 6)) SatNums.push_back(i); int N; while (cin >> N, N != 1) { cout << N << ":"; vector<int> ans; for (int i = 0; i < SatNums.size() && SatNums[i] <= N; i++) { if (N % SatNums[i] == 0) ans.push_back(SatNums[i]); } for (auto x : ans) { cout << " " << x; } } return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) #define REP(i, init, n) for (int i = init; i < (n); i++) using namespace std; using ll = long long int; using P = pair<int, int>; using T = tuple<int, int, int>; using edge = struct { int to, cost; }; const int MOD = 1e9 + 7; const int iINF = 1e9; const long long int llINF = 1e18; const double PI = acos(-1.0); const int dx[4] = {1, 0, -1, 0}; const int dy[4] = {0, 1, 0, -1}; const int MAXNUM = 300000; bool isSatNum[MAXNUM + 1]; void SatNum() { rep(i, MAXNUM + 1) isSatNum[i] = true; for (int i = 2; i < sqrt(MAXNUM) + 1; i++) { if (isSatNum[i] && (i % 7 == 1 || i % 7 == 6)) { for (int j = i * 2; j < MAXNUM + 1; j += i) { isSatNum[j] = false; } } } } int main() { SatNum(); vector<int> SatNums; REP(i, 2, MAXNUM + 1) if (isSatNum[i] && (i % 7 == 1 || i % 7 == 6)) SatNums.push_back(i); int N; while (cin >> N, N != 1) { cout << N << ":"; vector<int> ans; for (int i = 0; i < SatNums.size() && SatNums[i] <= N; i++) { if (N % SatNums[i] == 0) ans.push_back(SatNums[i]); } for (auto x : ans) { cout << " " << x; } cout << endl; } return 0; }
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1
389
#include <algorithm> #include <cstdio> using namespace std; #define MAX 300000 int n; bool prime[MAX]; int main() { for (int i = 0; i < MAX; i++) prime[i] = true; for (int i = 6; i * i < MAX; i++) if (i % 7 == 1 || i % 7 == 6) if (prime[i]) for (int j = i; i * j < MAX; j++) if (j % 7 == 1 || j % 7 == 6) prime[i * j] = false; while (1) { scanf("%d", &n); if (n == 1) return 0; printf("%d:", n); for (int i = 1; i <= n; i++) if (n % i == 0 && prime[i]) if (i % 7 == 1 || i % 7 == 6) if (n / i % 7 == 1 || n / i % 7 == 6) printf(" %d", i); printf("\n"); } }
#include <algorithm> #include <cstdio> using namespace std; #define MAX 300000 int n; bool prime[MAX]; int main() { for (int i = 0; i < MAX; i++) prime[i] = true; for (int i = 6; i * i < MAX; i++) if (i % 7 == 1 || i % 7 == 6) if (prime[i]) for (int j = i; i * j < MAX; j++) if (j % 7 == 1 || j % 7 == 6) prime[i * j] = false; while (1) { scanf("%d", &n); if (n == 1) return 0; printf("%d:", n); for (int i = 6; i <= n; i++) if (n % i == 0 && prime[i]) if (i % 7 == 1 || i % 7 == 6) if (n / i % 7 == 1 || n / i % 7 == 6) printf(" %d", i); printf("\n"); } }
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1
232
#include <algorithm> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <iostream> #include <vector> using namespace std; #define REP(i, n) for (int i = 0; i < (int)n; ++i) #define FOR(i, c) \ for (__typeof((c).begin()) i = (c).begin(); i != (c).end(); ++i) #define ALL(c) (c).begin(), (c).end() int main() { int const N = 300000; vector<int> pr(N, 1); pr[0] = pr[1] = 0; REP(i, N) if (i % 7 != 1 && i % 7 != 6) pr[i] = 0; for (int i = 8; i < N; i += 7) if (pr[i]) for (int j = i * 2; j < N; j += i) pr[j] = 0; for (int i = 6; i < N; i += 7) if (pr[i]) for (int j = i * 2; j < N; j += i) pr[j] = 0; int n; while (cin >> n, n != 1) { printf("%d:", n); for (int i = 2; i < n; i++) { if (pr[i] && n % i == 0) { cout << " " << i; } } cout << endl; } }
#include <algorithm> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <iostream> #include <vector> using namespace std; #define REP(i, n) for (int i = 0; i < (int)n; ++i) #define FOR(i, c) \ for (__typeof((c).begin()) i = (c).begin(); i != (c).end(); ++i) #define ALL(c) (c).begin(), (c).end() int main() { int const N = 300001; vector<int> pr(N, 1); pr[0] = pr[1] = 0; REP(i, N) if (i % 7 != 1 && i % 7 != 6) pr[i] = 0; for (int i = 8; i < N; i += 7) if (pr[i]) for (int j = i * 2; j < N; j += i) pr[j] = 0; for (int i = 6; i < N; i += 7) if (pr[i]) for (int j = i * 2; j < N; j += i) pr[j] = 0; int n; while (cin >> n, n != 1) { printf("%d:", n); for (int i = 2; i < n + 1; i++) { if (pr[i] && n % i == 0) { cout << " " << i; } } cout << endl; } }
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1
263
#include <iostream> #include <vector> using namespace std; int main() { bool num[300001] = {true, true, false}; for (int i = 0; i < 300001; i++) { if (i % 7 != 1 && i % 7 != 6) { num[i] = true; } if (num[i] == false) { for (int j = i * 2; j < 300001; j += i) { num[j] = true; } } } int n; while (cin >> n) { vector<int> ans; if (n == 1) { break; } for (int i = 0; i < n; i++) { if (!num[i]) { if (!(n % i)) { ans.push_back(i); } } } cout << n << ":"; for (int i = 0; i < ans.size(); i++) { cout << " " << ans[i]; } cout << endl; } return 0; }
#include <iostream> #include <vector> using namespace std; int main() { bool num[300001] = {true, true, false}; for (int i = 0; i < 300001; i++) { if (i % 7 != 1 && i % 7 != 6) { num[i] = true; } if (num[i] == false) { for (int j = i * 2; j < 300001; j += i) { num[j] = true; } } } int n; while (cin >> n) { vector<int> ans; if (n == 1) { break; } for (int i = 0; i <= n; i++) { if (!num[i]) { if (!(n % i)) { ans.push_back(i); } } } cout << n << ":"; for (int i = 0; i < ans.size(); i++) { cout << " " << ans[i]; } cout << endl; } return 0; }
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1
221
#include <iostream> using namespace std; #define MAX_N 300000 int pl[MAX_N]; char ip[MAX_N]; int p = 0; main() { int i, n = 300000; for (i = 0; i <= n; i++) ip[i] = 1; ip[0] = ip[1] = 0; for (i = 2; i <= n; i++) { if (i % 7 != 1 && i % 7 != 6) ip[i] = 0; if (ip[i]) { for (int j = 2 * i; j <= n; j += i) ip[j] = 0; pl[p++] = i; } } while (cin >> n, n != 1) { printf("%d:", n); for (i = 0; i < p; i++) if (!(n % pl[i])) printf(" %d", pl[i]); puts(""); } }
#include <iostream> using namespace std; #define MAX_N 300000 int pl[MAX_N + 2]; char ip[MAX_N + 2]; int p = 0; main() { int i, n = 300000; for (i = 0; i <= n; i++) ip[i] = 1; ip[0] = ip[1] = 0; for (i = 2; i <= n; i++) { if (i % 7 != 1 && i % 7 != 6) ip[i] = 0; if (ip[i]) { for (int j = 2 * i; j <= n; j += i) ip[j] = 0; pl[p++] = i; } } while (cin >> n, n != 1) { printf("%d:", n); for (i = 0; i < p; i++) if (!(n % pl[i])) printf(" %d", pl[i]); puts(""); } }
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1
211
#include <algorithm> #include <cstdio> #include <cstring> #include <iostream> #include <vector> using namespace std; #define MAX 300001 typedef long long ll; int main() { bool p[MAX]; vector<ll> ms; int n; memset(p, true, sizeof(p)); for (int i = 1; i < MAX; i++) { if (i % 7 == 1 || i % 7 == 6) ms.push_back(i); } for (ll i = 1; ms[i] * ms[i] < MAX; i++) { if (p[ms[i]]) { for (ll j = ms[i] * ms[i]; j < MAX; j += ms[i]) { p[j] = 0; } } } vector<ll> msp; for (int i = 1; i < ms.size(); i++) { if (p[ms[i]]) msp.push_back(ms[i]); } while (cin >> n) { if (n == 1) break; printf("%d:", n); for (int i = 1; i < msp.size(); i++) { if (n % msp[i] == 0) cout << ' ' << msp[i]; } cout << endl; } return 0; }
#include <algorithm> #include <cstdio> #include <cstring> #include <iostream> #include <vector> using namespace std; #define MAX 300001 typedef long long ll; int main() { bool p[MAX]; vector<ll> ms; int n; memset(p, true, sizeof(p)); for (int i = 1; i < MAX; i++) { if (i % 7 == 1 || i % 7 == 6) ms.push_back(i); } for (ll i = 1; ms[i] * ms[i] < MAX; i++) { if (p[ms[i]]) { for (ll j = ms[i] * ms[i]; j < MAX; j += ms[i]) { p[j] = false; } } } vector<ll> msp; for (int i = 1; i < ms.size(); i++) { if (p[ms[i]]) msp.push_back(ms[i]); } while (cin >> n) { if (n == 1) break; printf("%d:", n); for (int i = 0; i < msp.size(); i++) { if (n % msp[i] == 0) cout << ' ' << msp[i]; } cout << endl; } return 0; }
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1
283
#include <iostream> #include <vector> using namespace std; #define MAX 300001 bool check[MAX]; void print(int n) { cout << n << ':'; } void init() { fill(check, check + MAX, false); } int main() { int n; while (cin >> n, n != 1) { vector<int> v; init(); print(n); for (int i = 2; i <= n; i++) { if (n % i == 0 && (i % 7 == 1 || i % 7 == 6)) { for (int j = 2 * i; j <= n; j += i) check[j] = true; if (!check[i]) v.push_back(i); } } for (int i = 0; i < v.size(); i++) { if (!i) cout << v[i]; else cout << ' ' << v[i]; } cout << endl; } return 0; }
#include <iostream> #include <vector> using namespace std; #define MAX 300001 bool check[MAX]; void print(int n) { cout << n << ": "; } void init() { fill(check, check + MAX, false); } int main() { int n; while (cin >> n, n != 1) { vector<int> v; init(); print(n); for (int i = 2; i <= n; i++) { if (n % i == 0 && (i % 7 == 1 || i % 7 == 6)) { for (int j = 2 * i; j <= n; j += i) check[j] = true; if (!check[i]) v.push_back(i); } } for (int i = 0; i < v.size(); i++) { if (!i) cout << v[i]; else cout << ' ' << v[i]; } cout << endl; } return 0; }
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1
216
#include <algorithm> #include <iostream> #include <vector> using namespace std; typedef vector<int> VI; typedef vector<bool> VB; VI ms_prime_factor(void) { const int SIZE = 300010; VB is_ms_prime_number(SIZE, false); VI res; for (int i = 1; 7 * i + 10 < SIZE; ++i) { is_ms_prime_number[7 * i + 1] = true; is_ms_prime_number[7 * i + 6] = true; } for (int i = 0; i < SIZE; ++i) { if (!is_ms_prime_number[i]) { continue; } for (int j = i + i; j < SIZE; j += i) { is_ms_prime_number[j] = false; } res.push_back(i); } return res; } int main(void) { VI p_factor = ms_prime_factor(); int num; while (cin >> num, num != 1) { cout << num << ':'; for (int i = 0; i < p_factor.size(); ++i) { if (num % p_factor[i] == 0) { cout << ' ' << p_factor[i]; } } cout << endl; } return 0; }
#include <algorithm> #include <iostream> #include <vector> using namespace std; typedef vector<int> VI; typedef vector<bool> VB; VI ms_prime_factor(void) { const int SIZE = 300010; VB is_ms_prime_number(SIZE, false); VI res; for (int i = 0; 7 * i + 10 < SIZE; ++i) { is_ms_prime_number[7 * i + 1] = true; is_ms_prime_number[7 * i + 6] = true; } for (int i = 2; i < SIZE; ++i) { if (!is_ms_prime_number[i]) { continue; } for (int j = i + i; j < SIZE; j += i) { is_ms_prime_number[j] = false; } res.push_back(i); } return res; } int main(void) { VI p_factor = ms_prime_factor(); int num; while (cin >> num, num != 1) { cout << num << ':'; for (int i = 0; i < p_factor.size(); ++i) { if (num % p_factor[i] == 0) { cout << ' ' << p_factor[i]; } } cout << endl; } return 0; }
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1
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#include <algorithm> #include <iostream> using namespace std; #define H 60 #define W 30 #define INF 10000 #define R 1 #define L 0 int w, h; char maps[H][W]; struct point { int x, y; }; bool invalid(int x, int y) { return (x < 0 || x >= w || y < 0 || y >= h); } int dijkstra() { int d[H][W][2]; bool used[H][W][2]; int ldx[9] = {-1, -1, -1, -1, -1, -2, -2, -2, -3}; int ldy[9] = {2, 1, 0, -1, -2, 1, 0, -1, 0}; int rdx[9] = {1, 1, 1, 1, 1, 2, 2, 2, 3}; int rdy[9] = {2, 1, 0, -1, -2, 1, 0, -1, 0}; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { for (int k = 0; k < 2; k++) { d[i][j][k] = INF; used[i][j][k] = false; } } } for (int i = 0; i < w - 1; i++) { if (maps[h - 1][i] == 'S') { d[h - 1][i][L] = 0; d[h - 1][i + 1][R] = 0; } } while (true) { point p; p.x = -1; p.y = -1; int muki = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { for (int k = 0; k < 2; k++) { if (!used[i][j][k] && (p.x == -1 || d[i][j][k] < d[p.y][p.x][muki])) { p.x = j; p.y = i; muki = k; } } } } if (p.x == -1 && p.y == -1) { break; } used[p.y][p.x][muki] = true; if (muki == R) { for (int i = 0; i < 9; i++) { int mx = p.x + ldx[i]; int my = p.y + ldy[i]; if (invalid(mx, my)) { continue; } if (maps[my][mx] == 'X') { continue; } if (maps[my][mx] == 'S' || maps[my][mx] == 'T') { d[my][mx][L] = min(d[my][mx][L], d[p.y][p.x][R]); } else { d[my][mx][L] = min(d[my][mx][L], d[p.y][p.x][R] + (maps[my][mx] - '0')); } } } else { for (int i = 0; i < 9; i++) { int mx = p.x + rdx[i]; int my = p.y + rdy[i]; if (invalid(mx, my)) { continue; } if (maps[my][mx] == 'X') { continue; } if (maps[my][mx] == 'S' || maps[my][mx] == 'T') { d[my][mx][R] = min(d[my][mx][R], d[p.y][p.x][L]); } else { d[my][mx][R] = min(d[my][mx][R], d[p.y][p.x][L] + (maps[my][mx] - '0')); } } } } int ans = INF; for (int j = 0; j < w; j++) { if (maps[0][j] == 'T') { for (int k = 0; k < 2; k++) { ans = min(ans, d[0][j][k]); } } } if (ans == INF) { return -1; } else { return ans; } } int main() { while (true) { cin >> w >> h; if (w == 0 && h == 0) { break; } for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> maps[i][j]; } } cout << dijkstra() << endl; } return 0; }
#include <algorithm> #include <iostream> using namespace std; #define H 60 #define W 30 #define INF 10000 #define R 1 #define L 0 int w, h; char maps[H][W]; struct point { int x, y; }; bool invalid(int x, int y) { return (x < 0 || x >= w || y < 0 || y >= h); } int dijkstra() { int d[H][W][2]; bool used[H][W][2]; int ldx[9] = {-1, -1, -1, -1, -1, -2, -2, -2, -3}; int ldy[9] = {2, 1, 0, -1, -2, 1, 0, -1, 0}; int rdx[9] = {1, 1, 1, 1, 1, 2, 2, 2, 3}; int rdy[9] = {2, 1, 0, -1, -2, 1, 0, -1, 0}; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { for (int k = 0; k < 2; k++) { d[i][j][k] = INF; used[i][j][k] = false; } } } for (int i = 0; i < w; i++) { if (maps[h - 1][i] == 'S') { d[h - 1][i][L] = 0; d[h - 1][i][R] = 0; } } while (true) { point p; p.x = -1; p.y = -1; int muki = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { for (int k = 0; k < 2; k++) { if (!used[i][j][k] && (p.x == -1 || d[i][j][k] < d[p.y][p.x][muki])) { p.x = j; p.y = i; muki = k; } } } } if (p.x == -1 && p.y == -1) { break; } used[p.y][p.x][muki] = true; if (muki == R) { for (int i = 0; i < 9; i++) { int mx = p.x + ldx[i]; int my = p.y + ldy[i]; if (invalid(mx, my)) { continue; } if (maps[my][mx] == 'X') { continue; } if (maps[my][mx] == 'S' || maps[my][mx] == 'T') { d[my][mx][L] = min(d[my][mx][L], d[p.y][p.x][R]); } else { d[my][mx][L] = min(d[my][mx][L], d[p.y][p.x][R] + (maps[my][mx] - '0')); } } } else { for (int i = 0; i < 9; i++) { int mx = p.x + rdx[i]; int my = p.y + rdy[i]; if (invalid(mx, my)) { continue; } if (maps[my][mx] == 'X') { continue; } if (maps[my][mx] == 'S' || maps[my][mx] == 'T') { d[my][mx][R] = min(d[my][mx][R], d[p.y][p.x][L]); } else { d[my][mx][R] = min(d[my][mx][R], d[p.y][p.x][L] + (maps[my][mx] - '0')); } } } } int ans = INF; for (int j = 0; j < w; j++) { if (maps[0][j] == 'T') { for (int k = 0; k < 2; k++) { ans = min(ans, d[0][j][k]); } } } if (ans == INF) { return -1; } else { return ans; } } int main() { while (true) { cin >> w >> h; if (w == 0 && h == 0) { break; } for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> maps[i][j]; } } cout << dijkstra() << endl; } return 0; }
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1
1,104
#include <algorithm> #include <iostream> #include <queue> #define INF (1e9) #define H 60 #define W 30 using namespace std; typedef pair<int, int> P; typedef pair<char, P> P1; typedef pair<int, P1> P2; int dijkstra(int, int, char); int w, h, dl[H][W], dr[H][W], ans; char s[H][W]; int main() { while (1) { cin >> w >> h; if (!w && !h) break; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) cin >> s[i][j]; ans = INF; for (int i = 0; i < w; i++) if (s[h - 1][i] == 'S') ans = min(ans, min(dijkstra(h - 1, i, 'l'), dijkstra(h - 1, i, 'r'))); if (ans == INF) cout << -1 << endl; else cout << ans << endl; } return 0; } int dijkstra(int sy, int sx, char lr) { priority_queue<P2> q; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) dl[i][j] = dr[i][j] = INF; q.push(P2(0, P1(lr, P(sy, sx)))); if (lr == 'l') dl[sy][sx] = 0; else dr[sy][sx] = 0; while (!q.empty()) { P2 t = q.top(); q.pop(); char c = t.second.first; int cost = t.first, y = t.second.second.first, x = t.second.second.second; int dy[9] = {0, 0, 0, -1, -1, -2, 1, 1, 2}, dx[9] = {1, 2, 3, 1, 2, 1, 1, 2, 1}; if (c == 'l' && dr[y][x] < cost) continue; if (c == 'r' && dl[y][x] < cost) continue; for (int i = 0; i < 9; i++) { int ny, nx; ny = y + dy[i]; if (c == 'l') nx = x + dx[i]; else nx = x - dx[i]; if (ny < 0 || nx < 0 || h <= ny || w <= nx || s[ny][nx] == 'X' || s[ny][nx] == 'S') continue; if (s[ny][nx] == 'T') { if (c == 'l') dr[ny][nx] = min(dr[ny][nx], cost); else dl[ny][nx] = min(dl[ny][nx], cost); } else if (c == 'l' && dr[ny][nx] > cost + s[ny][nx] - '0') { dr[ny][nx] = cost + s[ny][nx] - '0'; q.push(P2(dr[ny][nx], P1('r', P(ny, nx)))); } else if (c == 'r' && dl[ny][nx] > cost + s[ny][nx] - '0') { dl[ny][nx] = cost + s[ny][nx] - '0'; q.push(P2(dl[ny][nx], P1('l', P(ny, nx)))); } } } int res = INF; for (int i = 0; i < w; i++) if (s[0][i] == 'T') res = min(res, min(dl[0][i], dr[0][i])); return res; }
#include <algorithm> #include <iostream> #include <queue> #define INF (1e9) #define H 60 #define W 30 using namespace std; typedef pair<int, int> P; typedef pair<char, P> P1; typedef pair<int, P1> P2; int dijkstra(int, int, char); int w, h, dl[H][W], dr[H][W], ans; char s[H][W]; int main() { while (1) { cin >> w >> h; if (!w && !h) break; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) cin >> s[i][j]; ans = INF; for (int i = 0; i < w; i++) if (s[h - 1][i] == 'S') ans = min(ans, min(dijkstra(h - 1, i, 'l'), dijkstra(h - 1, i, 'r'))); if (ans == INF) cout << -1 << endl; else cout << ans << endl; } return 0; } int dijkstra(int sy, int sx, char lr) { priority_queue<P2> q; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) dl[i][j] = dr[i][j] = INF; q.push(P2(0, P1(lr, P(sy, sx)))); if (lr == 'l') dl[sy][sx] = 0; else dr[sy][sx] = 0; while (!q.empty()) { P2 t = q.top(); q.pop(); char c = t.second.first; int cost = -t.first, y = t.second.second.first, x = t.second.second.second; int dy[9] = {0, 0, 0, -1, -1, -2, 1, 1, 2}, dx[9] = {1, 2, 3, 1, 2, 1, 1, 2, 1}; if (c == 'l' && dl[y][x] < cost) continue; if (c == 'r' && dr[y][x] < cost) continue; for (int i = 0; i < 9; i++) { int ny, nx; ny = y + dy[i]; if (c == 'l') nx = x + dx[i]; else nx = x - dx[i]; if (ny < 0 || nx < 0 || h <= ny || w <= nx || s[ny][nx] == 'X' || s[ny][nx] == 'S') continue; if (s[ny][nx] == 'T') { if (c == 'l') dr[ny][nx] = min(dr[ny][nx], cost); else dl[ny][nx] = min(dl[ny][nx], cost); } else if (c == 'l' && dr[ny][nx] > cost + s[ny][nx] - '0') { dr[ny][nx] = cost + s[ny][nx] - '0'; q.push(P2(-dr[ny][nx], P1('r', P(ny, nx)))); } else if (c == 'r' && dl[ny][nx] > cost + s[ny][nx] - '0') { dl[ny][nx] = cost + s[ny][nx] - '0'; q.push(P2(-dl[ny][nx], P1('l', P(ny, nx)))); } } } int res = INF; for (int i = 0; i < w; i++) if (s[0][i] == 'T') res = min(res, min(dl[0][i], dr[0][i])); return res; }
[["+", 8, 9, 0, 43, 49, 50, 51, 91, 17, 33], ["-", 51, 16, 12, 16, 31, 69, 28, 69, 28, 22], ["+", 51, 16, 12, 16, 31, 69, 28, 69, 28, 22], ["+", 3, 4, 0, 2, 3, 4, 0, 91, 17, 33]]
1
916
#include <algorithm> #include <cctype> #include <climits> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; } template <class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str(); } typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<string> vs; typedef pair<int, int> pii; typedef long long ll; #define ALL(a) (a).begin(), (a).end() #define RALL(a) (a).rbegin(), (a).rend() #define EACH(t, i, c) for (t::iterator i = (c).begin(); i != (c).end(); ++i) #define EXIST(s, e) ((s).find(e) != (s).end()) #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define REP(i, n) FOR(i, 0, n) const double EPS = 1e-10; const double PI = acos(-1.0); int dx[2][9] = {{1, 1, 1, 1, 1, 2, 2, 2, 3}, {-1, -1, -1, -1, -1, -2, -2, -2, -3}}; int dy[2][9] = {{-2, -1, 0, 1, 2, -1, 0, 1, 0}, {-2, -1, 0, 1, 2, -1, 0, 1, 0}}; typedef vector<vvi> vvvi; struct node { int foot, x, y, c; node() {} node(int foot, int x, int y, int c) : foot(foot), x(x), y(y), c(c) {} }; const int MAX = INT_MAX / 10; int main() { int w, h; while (cin >> w >> h) { vvi s(w, vi(h)); vector<pii> start, goal; REP(j, h) REP(i, w) { char c; cin >> c; switch (c) { case 'S': start.push_back(make_pair(i, j)); s[i][j] = 0; break; case 'T': goal.push_back(make_pair(i, j)); s[i][j] = 0; break; case 'X': s[i][j] = -1; break; default: s[i][j] = c - '0'; break; } } vvvi cost(2, vvi(w, vi(h, MAX))); queue<node> q; REP(i, 2) REP(j, start.size()) { q.push(node(i, start[j].first, start[j].second, 0)); cost[i][start[j].first][start[j].second] = 0; } while (!q.empty()) { node n = q.front(); q.pop(); if (cost[n.foot][n.x][n.y] < n.c) continue; REP(i, 9) { int foot = (n.foot + 1) % 2; int x = n.x + dx[foot][i], y = n.y + dy[foot][i]; if (x >= 0 && y >= 0 && x < w && y < h && s[x][y] >= 0) { int newcost = cost[n.foot][n.x][n.y] + s[x][y]; if (cost[foot][x][y] > newcost) { cost[foot][x][y] = newcost; q.push(node(foot, x, y, newcost)); } } } } int best = MAX; REP(i, 2) REP(j, goal.size()) { best = min(best, cost[i][goal[j].first][goal[j].second]); } if (best == MAX) { best = -1; } cout << best << endl; } }
#include <algorithm> #include <cctype> #include <climits> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; } template <class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str(); } typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<string> vs; typedef pair<int, int> pii; typedef long long ll; #define ALL(a) (a).begin(), (a).end() #define RALL(a) (a).rbegin(), (a).rend() #define EACH(t, i, c) for (t::iterator i = (c).begin(); i != (c).end(); ++i) #define EXIST(s, e) ((s).find(e) != (s).end()) #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define REP(i, n) FOR(i, 0, n) const double EPS = 1e-10; const double PI = acos(-1.0); int dx[2][9] = {{1, 1, 1, 1, 1, 2, 2, 2, 3}, {-1, -1, -1, -1, -1, -2, -2, -2, -3}}; int dy[2][9] = {{-2, -1, 0, 1, 2, -1, 0, 1, 0}, {-2, -1, 0, 1, 2, -1, 0, 1, 0}}; typedef vector<vvi> vvvi; struct node { int foot, x, y, c; node() {} node(int foot, int x, int y, int c) : foot(foot), x(x), y(y), c(c) {} }; const int MAX = INT_MAX / 10; int main() { int w, h; while (cin >> w >> h, w && h) { vvi s(w, vi(h)); vector<pii> start, goal; REP(j, h) REP(i, w) { char c; cin >> c; switch (c) { case 'S': start.push_back(make_pair(i, j)); s[i][j] = 0; break; case 'T': goal.push_back(make_pair(i, j)); s[i][j] = 0; break; case 'X': s[i][j] = -1; break; default: s[i][j] = c - '0'; break; } } vvvi cost(2, vvi(w, vi(h, MAX))); queue<node> q; REP(i, 2) REP(j, start.size()) { q.push(node(i, start[j].first, start[j].second, 0)); cost[i][start[j].first][start[j].second] = 0; } while (!q.empty()) { node n = q.front(); q.pop(); if (cost[n.foot][n.x][n.y] < n.c) continue; REP(i, 9) { int foot = (n.foot + 1) % 2; int x = n.x + dx[foot][i], y = n.y + dy[foot][i]; if (x >= 0 && y >= 0 && x < w && y < h && s[x][y] >= 0) { int newcost = cost[n.foot][n.x][n.y] + s[x][y]; if (cost[foot][x][y] > newcost) { cost[foot][x][y] = newcost; q.push(node(foot, x, y, newcost)); } } } } int best = MAX; REP(i, 2) REP(j, goal.size()) { best = min(best, cost[i][goal[j].first][goal[j].second]); } if (best == MAX) { best = -1; } cout << best << endl; } }
[["+", 8, 9, 0, 52, 15, 339, 51, 34, 0, 21], ["+", 0, 52, 15, 339, 51, 34, 12, 16, 31, 22], ["+", 0, 52, 15, 339, 51, 34, 12, 16, 17, 98], ["+", 0, 52, 15, 339, 51, 34, 12, 16, 12, 22]]
1
898
#include <algorithm> #include <iostream> #include <iterator> #include <set> #include <string> #include <vector> using namespace std; typedef basic_string<bool> BS; const BS T = BS(1, true); const BS F = BS(1, false); char str[999]; char *p; struct Cell { Cell *l, *r; BS bs; set<BS> sbs; int num, den; Cell() : l(), r(), num(), den(1) { while (*p == ' ') { p++; } if (*p == 'x') { p++; bs = T + F; } else { p++; l = new Cell(); r = new Cell(); if (*r > *l) { swap(l, r); } vector<BS> u, i; set_union(begin(l->sbs), end(l->sbs), begin(r->sbs), end(r->sbs), back_inserter(u)); set_intersection(begin(l->sbs), end(l->sbs), begin(r->sbs), end(r->sbs), back_inserter(i)); num = i.size(); den = u.size(); sbs = set<BS>(begin(u), end(u)); bs = T + l->bs + r->bs + F; } p++; sbs.insert(bs); } bool operator>(const Cell &c) const { if (num * c.den != c.num * den) { return num * c.den < c.num * den; } else if (l == nullptr && c.l == nullptr) { return false; } else if (*l > *c.l || *c.l > *l) { return *l > *c.l; } else { return *r > *c.r; } } void print(bool left) { if (l == nullptr) { cout << 'x'; } else { cout << '('; if (!left) { swap(l, r); } l->print(true); r->print(false); cout << ')'; } } ~Cell() { delete l; delete r; } }; int main() { while (cin.getline(str, 999), str[0] != '0') { p = str; Cell c; c.print(true); cout << endl; } }
#include <algorithm> #include <iostream> #include <iterator> #include <set> #include <string> #include <vector> using namespace std; typedef basic_string<bool> BS; const BS T = BS(1, true); const BS F = BS(1, false); char str[999]; char *p; struct Cell { Cell *l, *r; BS bs; set<BS> sbs; int num, den; Cell() : l(), r(), num(), den(1) { while (*p == ' ') { p++; } if (*p == 'x') { p++; bs = T + F; } else { p++; l = new Cell(); r = new Cell(); if (*r > *l) { swap(l, r); } vector<BS> u, i; set_union(begin(l->sbs), end(l->sbs), begin(r->sbs), end(r->sbs), back_inserter(u)); set_intersection(begin(l->sbs), end(l->sbs), begin(r->sbs), end(r->sbs), back_inserter(i)); num = i.size(); den = u.size(); sbs = set<BS>(begin(u), end(u)); bs = T + l->bs + r->bs + F; } p++; sbs.insert(bs); } bool operator>(const Cell &c) const { if (num * c.den != c.num * den) { return num * c.den < c.num * den; } else if (l == nullptr && c.l == nullptr) { return false; } else if (*l > *c.l || *c.l > *l) { return *l > *c.l; } else { return *r > *c.r; } } void print(bool left) { if (l == nullptr) { cout << 'x'; } else { cout << '('; if (!left) { swap(l, r); } l->print(true); cout << ' '; r->print(false); cout << ')'; } } ~Cell() { delete l; delete r; } }; int main() { while (cin.getline(str, 999), str[0] != '0') { p = str; Cell c; c.print(true); cout << endl; } }
[["+", 75, 76, 0, 9, 0, 1, 0, 16, 31, 22], ["+", 75, 76, 0, 9, 0, 1, 0, 16, 17, 151], ["+", 0, 9, 0, 1, 0, 16, 12, 103, 0, 104], ["+", 0, 9, 0, 1, 0, 16, 12, 103, 0, 125], ["+", 0, 57, 75, 76, 0, 9, 0, 1, 0, 35]]
1
536
var n, m; var a = [], b = []; function search(x) { var l = 0, r = m; while (r - l > 1) { var c = (l + r) >> 1; if (b[c] <= x) { l = c; } else { r = c; } } return b[l] === x; } function main() { while (n = scan()) { m = scan(); rep(n, function(i) { a[i] = scan(); }); rep(m, function(i) { b[i] = scan(); }); a.sort(function(u, v) { return u - v; }); b.sort(function(u, v) { return u - v; }); var s = 0; rep(n, function(i) { s += a[i]; }); var t = 0; rep(m, function(i) { t += b[i]; }); var d = Math.floor((t - s) / 2); if (t - s !== 2 * d) { print(-1); continue; } else { var ans = false; rep(n, function(i) { if (search(a[i] + d)) { print(a[i] + ' ' + (a[i] + d)); ans = true; return false; } }); if (!ans) { print(-1); } } a = []; b = []; } } function rep(a, b, c) { if (c === undefined) { c = b; b = a; a = 0; } for (var i = a; i < b; ++i) { if (c(i) === false) { break; } } } var input = ''; function scan() { return +input.pop(); } function scan_string() { return input.pop(); } function print(val) { console.log(val); } process.stdin.resume(); process.stdin.setEncoding('utf8'); process.stdin.on('data', function(chunk) { input += chunk; }); process.stdin.on('end', function() { input = input.trim().split(/\s+/).reverse(); main(); });
var n, m; var a = [], b = []; function search(x) { var l = 0, r = m; while (r - l > 1) { var c = (l + r) >> 1; if (b[c] <= x) { l = c; } else { r = c; } } return b[l] === x; } function main() { while (n = scan()) { m = scan(); rep(n, function(i) { a[i] = scan(); }); rep(m, function(i) { b[i] = scan(); }); a.sort(function(u, v) { return u - v; }); b.sort(function(u, v) { return u - v; }); var s = 0; rep(n, function(i) { s += a[i]; }); var t = 0; rep(m, function(i) { t += b[i]; }); var d = Math.floor((t - s) / 2); if (t - s !== 2 * d) { print(-1); } else { var ans = false; rep(n, function(i) { if (search(a[i] + d)) { print(a[i] + ' ' + (a[i] + d)); ans = true; return false; } }); if (!ans) { print(-1); } } a = []; b = []; } } function rep(a, b, c) { if (c === undefined) { c = b; b = a; a = 0; } for (var i = a; i < b; ++i) { if (c(i) === false) { break; } } } var input = ''; function scan() { return +input.pop(); } function scan_string() { return input.pop(); } function print(val) { console.log(val); } process.stdin.resume(); process.stdin.setEncoding('utf8'); process.stdin.on('data', function(chunk) { input += chunk; }); process.stdin.on('end', function() { input = input.trim().split(/\s+/).reverse(); main(); });
[["-", 8, 556, 0, 57, 64, 556, 0, 116, 0, 117], ["-", 8, 556, 0, 57, 64, 556, 0, 116, 0, 35]]
2
542
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); while (true) { int n = scanner.nextInt(); int m = scanner.nextInt(); if ((n + m) == 0) break; int[] t = new int[1000]; int[] h = new int[1000]; int sum_t = 0; int sum_h = 0; for (int i = 0; i < n; i++) { t[i] = scanner.nextInt(); sum_t += t[i]; } for (int j = 0; j < m; j++) { h[j] = scanner.nextInt(); sum_h += h[j]; } int ct = 10000000; int ch = 10000000; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (sum_t - t[i] + h[j] == sum_h - h[j] + t[i]) { if (t[i] + h[j] < ct + ch) { ct = t[i]; ch = h[i]; } } } } if (ct == 10000000 && ch == 10000000) { System.out.println("-1"); } else { System.out.println(ct + " " + ch); } } } }
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); while (true) { int n = scanner.nextInt(); int m = scanner.nextInt(); if ((n + m) == 0) break; int[] t = new int[1000]; int[] h = new int[1000]; int sum_t = 0; int sum_h = 0; for (int i = 0; i < n; i++) { t[i] = scanner.nextInt(); sum_t += t[i]; } for (int j = 0; j < m; j++) { h[j] = scanner.nextInt(); sum_h += h[j]; } int ct = 10000000; int ch = 10000000; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (sum_t - t[i] + h[j] == sum_h - h[j] + t[i]) { if (t[i] + h[j] < ct + ch) { ct = t[i]; ch = h[j]; } } } } if (ct == 10000000 && ch == 10000000) { System.out.println("-1"); } else { System.out.println(ct + " " + ch); } } } }
[["-", 64, 196, 0, 1, 0, 11, 12, 504, 71, 22], ["+", 64, 196, 0, 1, 0, 11, 12, 504, 71, 22]]
3
314
#ifndef _GLIBCXX_NO_ASSERT #include <cassert> #endif #include <cctype> #include <cerrno> #include <cfloat> #include <ciso646> #include <climits> #include <clocale> #include <cmath> #include <csetjmp> #include <csignal> #include <cstdarg> #include <cstddef> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #ifdef __GXX_EXPERIMENTAL_CXX0X__ #include <ccomplex> #include <cfenv> #include <cinttypes> #include <cstdbool> #include <cstdint> #include <ctgmath> #include <cwchar> #include <cwctype> #endif #include <algorithm> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> #ifdef __GXX_EXPERIMENTAL_CXX0X__ #include <array> #include <atomic> #include <chrono> #include <condition_variable> #include <forward_list> #include <future> #include <initializer_list> #include <mutex> #include <random> #include <ratio> #include <regex> #include <system_error> #include <thread> #include <tuple> #include <type_traits> #include <typeindex> #include <unordered_map> #include <unordered_set> #endif using namespace std; typedef pair<int, pair<pair<int, int>, int>> P; // 0 ??????1?????????2?????????3?????? int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; int main() { int W, H; while (cin >> W >> H, W || H) { vector<vector<int>> data; vector<vector<vector<int>>> M; data.resize(H); M.resize(H); for (size_t i = 0; i < H; i++) { M[i].resize(W); data[i].resize(W); for (size_t j = 0; j < W; j++) { cin >> data[i][j]; M[i][j].resize(4); for (size_t k = 0; k < 4; k++) { M[i][j][k] = INT_MAX; } } } int C[4] = {}; for (size_t i = 0; i < 4; i++) { cin >> C[i]; } priority_queue<P, vector<P>, greater<P>> que; long long int ans = -1; que.push(P{0, pair<pair<int, int>, int>{pair<int, int>{0, 0}, 0}}); M[0][0][0] = 0; while (!que.empty()) { P now = que.top(); que.pop(); int nowcost = now.first; int nowx = now.second.first.second; int nowy = now.second.first.first; int nowd = now.second.second; // cout << nowx << " " << nowy << " " << nowcost << endl; /*if( nowy == H - 1 && nowx == W - 1 ) { ans = nowcost; break; }*/ // if( data[nowy][nowx] == 4 )continue; for (size_t i = 0; i < 4; i++) { int nextd = (i + nowd) % 4; int nextx = nowx + dx[nextd]; int nexty = nowy + dy[nextd]; if (nextx < 0 || nextx >= W || nexty < 0 || nexty >= H) continue; if (i == data[nowy][nowx]) { if (M[nexty][nextx][i] > nowcost) { M[nexty][nextx][i] = nowcost; que.push(P{nowcost, pair<pair<int, int>, int>{ pair<int, int>{nexty, nextx}, nextd}}); } } else { if (M[nexty][nextx][i] > nowcost + C[i]) { M[nexty][nextx][i] = nowcost + C[i]; que.push(P{nowcost + C[i], pair<pair<int, int>, int>{pair<int, int>{nexty, nextx}, nextd}}); } } } } // cout << ans << endl; int ans2 = INT_MAX; for (size_t i = 0; i < 4; i++) { ans2 = min(ans2, M[H - 1][W - 1][i]); } cout << ans2 << endl; } }
#ifndef _GLIBCXX_NO_ASSERT #include <cassert> #endif #include <cctype> #include <cerrno> #include <cfloat> #include <ciso646> #include <climits> #include <clocale> #include <cmath> #include <csetjmp> #include <csignal> #include <cstdarg> #include <cstddef> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #ifdef __GXX_EXPERIMENTAL_CXX0X__ #include <ccomplex> #include <cfenv> #include <cinttypes> #include <cstdbool> #include <cstdint> #include <ctgmath> #include <cwchar> #include <cwctype> #endif #include <algorithm> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> #ifdef __GXX_EXPERIMENTAL_CXX0X__ #include <array> #include <atomic> #include <chrono> #include <condition_variable> #include <forward_list> #include <future> #include <initializer_list> #include <mutex> #include <random> #include <ratio> #include <regex> #include <system_error> #include <thread> #include <tuple> #include <type_traits> #include <typeindex> #include <unordered_map> #include <unordered_set> #endif using namespace std; typedef pair<int, pair<pair<int, int>, int>> P; // 0 ??????1?????????2?????????3?????? int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; int main() { int W, H; while (cin >> W >> H, W || H) { vector<vector<int>> data; vector<vector<vector<int>>> M; data.resize(H); M.resize(H); for (size_t i = 0; i < H; i++) { M[i].resize(W); data[i].resize(W); for (size_t j = 0; j < W; j++) { cin >> data[i][j]; M[i][j].resize(4); for (size_t k = 0; k < 4; k++) { M[i][j][k] = INT_MAX; } } } int C[4] = {}; for (size_t i = 0; i < 4; i++) { cin >> C[i]; } priority_queue<P, vector<P>, greater<P>> que; long long int ans = -1; que.push(P{0, pair<pair<int, int>, int>{pair<int, int>{0, 0}, 0}}); M[0][0][0] = 0; while (!que.empty()) { P now = que.top(); que.pop(); int nowcost = now.first; int nowx = now.second.first.second; int nowy = now.second.first.first; int nowd = now.second.second; // cout << nowx << " " << nowy << " " << nowcost << endl; /*if( nowy == H - 1 && nowx == W - 1 ) { ans = nowcost; break; }*/ // if( data[nowy][nowx] == 4 )continue; for (size_t i = 0; i < 4; i++) { int nextd = (i + nowd) % 4; int nextx = nowx + dx[nextd]; int nexty = nowy + dy[nextd]; if (nextx < 0 || nextx >= W || nexty < 0 || nexty >= H) continue; if (i == data[nowy][nowx]) { if (M[nexty][nextx][nextd] > nowcost) { M[nexty][nextx][nextd] = nowcost; que.push(P{nowcost, pair<pair<int, int>, int>{ pair<int, int>{nexty, nextx}, nextd}}); } } else { if (M[nexty][nextx][nextd] > nowcost + C[i]) { M[nexty][nextx][nextd] = nowcost + C[i]; que.push(P{nowcost + C[i], pair<pair<int, int>, int>{pair<int, int>{nexty, nextx}, nextd}}); } } } } // cout << ans << endl; int ans2 = INT_MAX; for (size_t i = 0; i < 4; i++) { ans2 = min(ans2, M[H - 1][W - 1][i]); } cout << ans2 << endl; } }
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1
830
#include <algorithm> #include <cstdio> #include <cstdlib> #include <iostream> #include <memory.h> #include <memory> #include <numeric> #include <queue> #include <string> #include <vector> using namespace std; typedef pair<int, pair<int, int>> pip; int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; int w, h; int area[31][31]; int min_cost[31][31][4]; int c[4]; void bfs() { queue<pip> qp; qp.push(make_pair(0, make_pair(1, 1))); while (!qp.empty()) { pip p = qp.front(); qp.pop(); int y = p.second.first; int x = p.second.second; int d = p.first; for (int i = 0; i < 4; i++) { int y2 = y + dy[(d + i) % 4]; int x2 = x + dx[(d + i) % 4]; if (y2 < 1 || y2 > h || x2 < 1 || x2 > w) continue; int cost = 0; int d2 = (d + i) % 4; if (area[y][x] != i) cost = c[i]; if (min_cost[y2][x2][d2] < 0 || min_cost[y][x][d] + cost < min_cost[y2][x2][d2]) { min_cost[y2][x2][d2] = min_cost[y][x][d] + cost; qp.push(make_pair(d2, make_pair(y2, x2))); } } } } int main() { while (cin >> w >> h && (w || h)) { memset(min_cost, -1, sizeof(min_cost)); for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { cin >> area[i][j]; } } for (int i = 0; i < 4; i++) { cin >> c[i]; } min_cost[1][1][0] = 0; bfs(); int cost = 1 << 15; for (int i = 0; i < 4; i++) { if (min_cost[h][w][i] > 0) cost = min(cost, min_cost[h][w][i]); } if (cost == 1 << 15) cout << -1 << endl; else cout << cost << endl; } }
#include <algorithm> #include <cstdio> #include <cstdlib> #include <iostream> #include <memory.h> #include <memory> #include <numeric> #include <queue> #include <string> #include <vector> using namespace std; typedef pair<int, pair<int, int>> pip; int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; int w, h; int area[31][31]; int min_cost[31][31][4]; int c[4]; void bfs() { queue<pip> qp; qp.push(make_pair(0, make_pair(1, 1))); while (!qp.empty()) { pip p = qp.front(); qp.pop(); int y = p.second.first; int x = p.second.second; int d = p.first; for (int i = 0; i < 4; i++) { int y2 = y + dy[(d + i) % 4]; int x2 = x + dx[(d + i) % 4]; if (y2 < 1 || y2 > h || x2 < 1 || x2 > w) continue; int cost = 0; int d2 = (d + i) % 4; if (area[y][x] != i) cost = c[i]; if (min_cost[y2][x2][d2] < 0 || min_cost[y][x][d] + cost < min_cost[y2][x2][d2]) { min_cost[y2][x2][d2] = min_cost[y][x][d] + cost; qp.push(make_pair(d2, make_pair(y2, x2))); } } } } int main() { while (cin >> w >> h && (w || h)) { memset(min_cost, -1, sizeof(min_cost)); for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { cin >> area[i][j]; } } for (int i = 0; i < 4; i++) { cin >> c[i]; } min_cost[1][1][0] = 0; bfs(); int cost = 1 << 15; for (int i = 0; i < 4; i++) { if (min_cost[h][w][i] >= 0) cost = min(cost, min_cost[h][w][i]); } if (cost == 1 << 15) cout << -1 << endl; else cout << cost << endl; } }
[["-", 8, 9, 0, 57, 15, 339, 51, 16, 17, 47], ["+", 8, 9, 0, 57, 15, 339, 51, 16, 17, 20]]
1
558
#include <iostream> #include <map> #include <queue> using namespace std; int c[4]; struct State { int x, y, d, cost; }; bool operator<(const State a, State b) { return a.cost > b.cost; } int dx[4] = {1, 0, -1, 0}; int dy[4] = {0, 1, 0, -1}; void calc(int w, int h) { int direction[30][30]; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) cin >> direction[j][i]; for (int i = 0; i < 4; i++) cin >> c[i]; priority_queue<State> Q; bool costmap[30][30][4]; for (int i = 0; i < 30; i++) for (int j = 0; j < 30; j++) for (int z = 0; z < 4; z++) costmap[i][j][z] = false; costmap[0][0][0] = true; State first; first.x = first.y = first.cost = first.d = 0; Q.push(first); State k; while (!Q.empty()) { k = Q.top(); Q.pop(); costmap[k.x][k.y][k.d] = true; if (k.x == w - 1 && k.y == h - 1) break; for (int i = 0; i < 4; i++) { int tx, ty, td, tcost; State temp; td = (k.d + i) % 4; tx = k.x + dx[td]; ty = k.y + dy[td]; if (tx < 0 || ty < 0 || tx > w || ty > h) continue; tcost = k.cost; if (direction[k.x][k.y] != i) tcost += c[i]; temp.x = tx; temp.y = ty; temp.d = td; temp.cost = tcost; if (!costmap[temp.x][temp.y][temp.d]) Q.push(temp); } } cout << k.cost << "\n"; } int main() { int w, h; cin >> w >> h; while (w != 0) { calc(w, h); cin >> w >> h; } return 0; }
#include <iostream> #include <map> #include <queue> using namespace std; int c[4]; struct State { int x, y, d, cost; }; bool operator<(const State a, State b) { return a.cost > b.cost; } int dx[4] = {1, 0, -1, 0}; int dy[4] = {0, 1, 0, -1}; void calc(int w, int h) { int direction[30][30]; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) cin >> direction[j][i]; for (int i = 0; i < 4; i++) cin >> c[i]; priority_queue<State> Q; bool costmap[30][30][4]; for (int i = 0; i < 30; i++) for (int j = 0; j < 30; j++) for (int z = 0; z < 4; z++) costmap[i][j][z] = false; costmap[0][0][0] = true; State first; first.x = first.y = first.cost = first.d = 0; Q.push(first); State k; while (!Q.empty()) { k = Q.top(); Q.pop(); costmap[k.x][k.y][k.d] = true; if (k.x == w - 1 && k.y == h - 1) break; for (int i = 0; i < 4; i++) { int tx, ty, td, tcost; State temp; td = (k.d + i) % 4; tx = k.x + dx[td]; ty = k.y + dy[td]; if (tx < 0 || ty < 0 || tx >= w || ty >= h) continue; tcost = k.cost; if (direction[k.x][k.y] != i) tcost += c[i]; temp.x = tx; temp.y = ty; temp.d = td; temp.cost = tcost; if (!costmap[temp.x][temp.y][temp.d]) Q.push(temp); } } cout << k.cost << "\n"; } int main() { int w, h; cin >> w >> h; while (w != 0) { calc(w, h); cin >> w >> h; } return 0; }
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1
557
#include <algorithm> #include <bitset> #include <cctype> #include <complex> #include <cstdio> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; #define all(c) c.begin(), c.end() #define rall(c) c.rbegin(), c.rend() #define mp(a, b) make_pair((a), (b)) #define eq == typedef long long ll; typedef complex<double> point; typedef pair<int, int> pii; const double EPS = 1e-9; // 0: "Straight" // 1: "Right" // 2: "Back" // 3: "Left" // 4: "Halt" const int dx[][4] = { // → ↓ ← ↑ {1, 0, -1, 0}, // ↑ → ↓ ← {0, 1, 0, -1}, // ← ↑ → ↓ {-1, 0, 1, 0}, // ↓ ← ↑ → {0, -1, 0, 1}}; const int dy[][4] = { // → ↓ ← ↑ {0, 1, 0, -1}, // ↑ → ↓ ← {-1, 0, 1, 0}, // ← ↑ → ↓ {0, -1, 0, 1}, // ↓ ← ↑ → {1, 0, -1, 0}}; // → ↑ ← ↓ const int dd[][4] = { // → ↓ ← ↑ {0, 3, 2, 1}, // ↑ → ↓ ← {1, 0, 1, 3}, // ← ↑ → ↓ {2, 1, 0, 3}, // ↓ ← ↑ → {3, 2, 1, 0}}; struct Robot { int y, x, dir, step; Robot(int y, int x, int dir, int step) : y(y), x(x), dir(dir), step(step){}; }; bool operator<(const Robot &lhs, const Robot &rhs) { return lhs.step < rhs.step; } bool operator>(const Robot &lhs, const Robot &rhs) { return lhs.step > rhs.step; } int main() { while (true) { int w, h; cin >> w >> h; if (w == 0 and h == 0) break; int gy = h - 1, gx = w - 1; vector<vector<int>> field(h, vector<int>(w)); for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> field[i][j]; } } vector<int> costs(4); for (int i = 0; i < 4; i++) cin >> costs[i]; vector<vector<vector<char>>> used( h, vector<vector<char>>(w, vector<char>(4, false))); priority_queue<Robot, vector<Robot>, greater<Robot>> que; que.push(Robot(0, 0, 0, 0)); int ret = 0; while (not que.empty()) { Robot r = que.top(); que.pop(); if (used[r.y][r.x][r.dir]) continue; used[r.y][r.x][r.dir] = true; if (r.y == gy and r.x == gx) { ret = r.step; break; } for (int i = 0; i < 4; i++) { int ny = r.y + dy[r.dir][i]; int nx = r.x + dx[r.dir][i]; if (ny < 0 or ny >= h or nx < 0 or nx >= w) continue; if (i == field[r.y][r.x]) { que.push(Robot(ny, nx, dd[r.dir][i], r.step)); } else { que.push(Robot(ny, nx, dd[r.dir][i], r.step + costs[i])); } } } cout << ret << endl; } return 0; }
#include <algorithm> #include <bitset> #include <cctype> #include <complex> #include <cstdio> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; #define all(c) c.begin(), c.end() #define rall(c) c.rbegin(), c.rend() #define mp(a, b) make_pair((a), (b)) #define eq == typedef long long ll; typedef complex<double> point; typedef pair<int, int> pii; const double EPS = 1e-9; // 0: "Straight" // 1: "Right" // 2: "Back" // 3: "Left" // 4: "Halt" const int dx[][4] = { // → ↓ ← ↑ {1, 0, -1, 0}, // ↑ → ↓ ← {0, 1, 0, -1}, // ← ↑ → ↓ {-1, 0, 1, 0}, // ↓ ← ↑ → {0, -1, 0, 1}}; const int dy[][4] = { // → ↓ ← ↑ {0, 1, 0, -1}, // ↑ → ↓ ← {-1, 0, 1, 0}, // ← ↑ → ↓ {0, -1, 0, 1}, // ↓ ← ↑ → {1, 0, -1, 0}}; // → ↑ ← ↓ const int dd[][4] = { // → ↓ ← ↑ {0, 3, 2, 1}, // ↑ → ↓ ← {1, 0, 3, 2}, // ← ↑ → ↓ {2, 1, 0, 3}, // ↓ ← ↑ → {3, 2, 1, 0}}; struct Robot { int y, x, dir, step; Robot(int y, int x, int dir, int step) : y(y), x(x), dir(dir), step(step){}; }; bool operator<(const Robot &lhs, const Robot &rhs) { return lhs.step < rhs.step; } bool operator>(const Robot &lhs, const Robot &rhs) { return lhs.step > rhs.step; } int main() { while (true) { int w, h; cin >> w >> h; if (w == 0 and h == 0) break; int gy = h - 1, gx = w - 1; vector<vector<int>> field(h, vector<int>(w)); for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> field[i][j]; } } vector<int> costs(4); for (int i = 0; i < 4; i++) cin >> costs[i]; vector<vector<vector<char>>> used( h, vector<vector<char>>(w, vector<char>(4, false))); priority_queue<Robot, vector<Robot>, greater<Robot>> que; que.push(Robot(0, 0, 0, 0)); int ret = 0; while (not que.empty()) { Robot r = que.top(); que.pop(); if (used[r.y][r.x][r.dir]) continue; used[r.y][r.x][r.dir] = true; if (r.y == gy and r.x == gx) { ret = r.step; break; } for (int i = 0; i < 4; i++) { int ny = r.y + dy[r.dir][i]; int nx = r.x + dx[r.dir][i]; if (ny < 0 or ny >= h or nx < 0 or nx >= w) continue; if (i == field[r.y][r.x]) { que.push(Robot(ny, nx, dd[r.dir][i], r.step)); } else { que.push(Robot(ny, nx, dd[r.dir][i], r.step + costs[i])); } } } cout << ret << endl; } return 0; }
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1
820
#include <bits/stdc++.h> #define rep(i, a, b) for (int i = (a); i < (b); i++) #define all(c) (c).begin(), (c).end() #define rall(c) (c).rbegin(), (c).rend() #define sort(v, n) sort(v, v + n); #define vsort(v) sort(v.begin(), v.end()); #define ll long long #define pb(a) push_back(a) #define fi first #define se second #define inf 999999999 using namespace std; typedef pair<int, int> p; typedef pair<ll, ll> lp; bool is_uruu(int y) { return y % 4 == 0 && (y % 100 != 0 || y % 400 == 0); } const ll MOD = 1e9 + 7; const double PI = acos(-1.0); //---------------------------------------------------------------------------// int n, b; int main() { while (1) { cin >> n >> b; if (n == 0) return 0; int index = 0; int s[n]; for (int i = 0; i < n; i++) { s[n] = 0; } int stone = b; while (1) { if (stone != 0) { stone--; s[index] += 1; } else if (stone == 0) { stone += s[index]; s[index] = 0; } if (s[index] == b) { break; } if (index == n - 1) { index = 0; } else { index++; } } cout << index << endl; } }
#include <bits/stdc++.h> #define rep(i, a, b) for (int i = (a); i < (b); i++) #define all(c) (c).begin(), (c).end() #define rall(c) (c).rbegin(), (c).rend() #define sort(v, n) sort(v, v + n); #define vsort(v) sort(v.begin(), v.end()); #define ll long long #define pb(a) push_back(a) #define fi first #define se second #define inf 999999999 using namespace std; typedef pair<int, int> p; typedef pair<ll, ll> lp; bool is_uruu(int y) { return y % 4 == 0 && (y % 100 != 0 || y % 400 == 0); } const ll MOD = 1e9 + 7; const double PI = acos(-1.0); //---------------------------------------------------------------------------// int n, b; int main() { while (1) { cin >> n >> b; if (n == 0) return 0; int index = 0; int s[n]; for (int i = 0; i < n; i++) { s[i] = 0; } int stone = b; while (1) { if (stone != 0) { stone--; s[index] += 1; } else if (stone == 0) { stone += s[index]; s[index] = 0; } if (s[index] == b) { break; } if (index == n - 1) { index = 0; } else { index++; } } cout << index << endl; } }
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1
282
#include <iostream> using namespace std; int main() { int P, N, ndata[55], wan, lop; while (1) { cin >> N; cin >> P; if (N == 0 && P == 0) { break; } for (lop = 0; lop < N; lop++) { ndata[lop] = 0; } lop = 0; wan = P; while (1) { if (N == 3 && P == 3) { cout << "3" << endl; break; } for (lop = 0; lop < N; lop++) { if (wan != 0) { wan--; ndata[lop]++; } else { wan = wan + ndata[lop]; ndata[lop] = 0; } /*cout<<"wan="<<wan<<endl; for(lop=0;lop<N;lop++){ cout<<lop<<" "<<ndata[lop]<<endl; } cout<<endl;*/ if (ndata[lop] == P && wan == 0) { break; } } if (ndata[lop] == P && wan == 0) { cout << lop << endl; break; } } } return 0; }
#include <iostream> using namespace std; int main() { int P, N, ndata[55], wan, lop; while (1) { cin >> N; cin >> P; if (N == 0 && P == 0) { break; } for (lop = 0; lop < N; lop++) { ndata[lop] = 0; } lop = 0; wan = P; while (1) { if (N == 3 && P == 3) { lop = 0; cout << lop << endl; break; } for (lop = 0; lop < N; lop++) { if (wan != 0) { wan--; ndata[lop]++; } else { wan = wan + ndata[lop]; ndata[lop] = 0; } /*cout<<"wan="<<wan<<endl; for(lop=0;lop<N;lop++){ cout<<lop<<" "<<ndata[lop]<<endl; } cout<<endl;*/ if (ndata[lop] == P && wan == 0) { break; } } if (ndata[lop] == P && wan == 0) { cout << lop << endl; break; } } } return 0; }
[["+", 0, 57, 64, 9, 0, 1, 0, 11, 31, 22], ["+", 0, 57, 64, 9, 0, 1, 0, 11, 17, 32], ["+", 0, 57, 64, 9, 0, 1, 0, 11, 12, 13], ["+", 8, 9, 0, 57, 64, 9, 0, 1, 0, 35], ["-", 0, 1, 0, 16, 31, 16, 12, 5, 0, 62], ["-", 0, 1, 0, 16, 31, 16, 12, 5, 0, 6], ["+", 64, 9, 0, 1, 0, 16, 31, 16, 12, 22]]
1
207
#include <iostream> using namespace std; int myMap[50][50]; int w, h; int ans; bool safe(int x, int y) { return (0 <= x && 0 <= y) && (x < w && y < h); } void del(int x, int y) { myMap[x][y] = 0; if (safe(x + 1, y) && myMap[x + 1][y]) del(x + 1, y); if (safe(x + 1, y + 1) && myMap[x + 1][y + 1]) del(x + 1, y + 1); if (safe(x + 1, y - 1) && myMap[x + 1][y - 1]) del(x + 1, y - 1); if (safe(x, y + 1) && myMap[x][y + 1]) del(x, y + 1); if (safe(x, y - 1) && myMap[x][y - 1]) del(x, y - 1); if (safe(x - 1, y - 1) && myMap[x - 1][y - 1]) del(x - 1, y - 1); if (safe(x - 1, y + 1) && myMap[x - 1][y + 1]) del(x - 1, y + 1); if (safe(x - 1, y) && myMap[x - 1][y]) del(x - 1, y); return; } int main() { while (1) { cin >> w >> h; if (w == 0 && h == 0) break; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> myMap[i][j]; } } ans = 0; for (int i = 0; i < w; i++) { for (int j = 0; j < h; j++) { if (myMap[i][j] == 1) { ans++; del(i, j); } } } cout << ans << endl; } }
#include <iostream> using namespace std; int myMap[51][51]; int w, h; int ans; bool safe(int x, int y) { return (0 <= x && 0 <= y) && (x < h && y < w); } void del(int x, int y) { myMap[x][y] = 0; if (safe(x + 1, y) && myMap[x + 1][y]) del(x + 1, y); if (safe(x + 1, y + 1) && myMap[x + 1][y + 1]) del(x + 1, y + 1); if (safe(x + 1, y - 1) && myMap[x + 1][y - 1]) del(x + 1, y - 1); if (safe(x, y + 1) && myMap[x][y + 1]) del(x, y + 1); if (safe(x, y - 1) && myMap[x][y - 1]) del(x, y - 1); if (safe(x - 1, y - 1) && myMap[x - 1][y - 1]) del(x - 1, y - 1); if (safe(x - 1, y + 1) && myMap[x - 1][y + 1]) del(x - 1, y + 1); if (safe(x - 1, y) && myMap[x - 1][y]) del(x - 1, y); return; } int main() { while (1) { cin >> w >> h; if (w == 0 && h == 0) break; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> myMap[i][j]; } } ans = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (myMap[i][j] == 1) { ans++; del(i, j); } } } cout << ans << endl; } }
[["-", 0, 30, 0, 43, 49, 80, 49, 80, 81, 13], ["+", 0, 30, 0, 43, 49, 80, 49, 80, 81, 13], ["-", 36, 36, 0, 30, 0, 43, 49, 80, 81, 13], ["+", 36, 36, 0, 30, 0, 43, 49, 80, 81, 13], ["-", 0, 16, 12, 23, 0, 16, 31, 16, 12, 22], ["+", 0, 16, 12, 23, 0, 16, 31, 16, 12, 22], ["-", 0, 16, 12, 23, 0, 16, 12, 16, 12, 22], ["+", 0, 16, 12, 23, 0, 16, 12, 16, 12, 22], ["-", 0, 52, 8, 9, 0, 7, 15, 16, 12, 22], ["+", 0, 52, 8, 9, 0, 7, 15, 16, 12, 22], ["-", 0, 7, 8, 9, 0, 7, 15, 16, 12, 22], ["+", 0, 7, 8, 9, 0, 7, 15, 16, 12, 22]]
1
480
#include <iostream> using namespace std; int w, h; int m[50][50]; void solve(int x, int y) { if (m[y][x] == 1) { m[y][x] = 0; for (int i = -1; i < 2; i++) { for (int j = -1; j < 2; j++) { if (i == 0 && j == 0) { continue; } if (y + i >= 0 && y + i < h && x + i >= 0 && x + i < w) { solve(x + j, y + i); } } } } } int main() { while (true) { int count = 0; cin >> w >> h; if (w == 0 && h == 0) { break; } for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> m[i][j]; } } for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (m[i][j] == 1) { solve(j, i); count++; } } } cout << count << endl; } }
#include <iostream> using namespace std; int w, h; int m[50][50]; void solve(int x, int y) { if (m[y][x] == 1) { m[y][x] = 0; for (int i = -1; i < 2; i++) { for (int j = -1; j < 2; j++) { if (i == 0 && j == 0) { continue; } if (y + i >= 0 && y + i < h && x + j >= 0 && x + j < w) { solve(x + j, y + i); } } } } } int main() { while (true) { int count = 0; cin >> w >> h; if (w == 0 && h == 0) { break; } for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> m[i][j]; } } for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (m[i][j] == 1) { solve(j, i); count++; } } } cout << count << endl; } }
[["-", 51, 16, 31, 16, 12, 16, 31, 16, 12, 22], ["+", 51, 16, 31, 16, 12, 16, 31, 16, 12, 22], ["-", 15, 339, 51, 16, 12, 16, 31, 16, 12, 22], ["+", 15, 339, 51, 16, 12, 16, 31, 16, 12, 22]]
1
281
#include <cstdio> using namespace std; int w, h; int field[50][51]; void dfs(int x, int y) { field[x][y] = 0; for (int dx = -1; dx <= 1; dx++) { for (int dy = -1; dy <= 1; dy++) { int nx = x + dx; int ny = y + dy; if (0 <= nx && nx < w && 0 <= ny && ny < h && field[nx][ny] == 1) dfs(nx, ny); } } return; } void solve(void) { int res = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (field[i][j] == 1) { dfs(i, j); res++; } } } printf("%d\n", res); } int main(void) { while (scanf("%d %d", &w, &h) != EOF) { if (w == 0 && h == 0) { break; } for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { scanf("%d", &field[i][j]); } } solve(); } return 0; }
#include <cstdio> using namespace std; int w, h; int field[50][51]; void dfs(int x, int y) { field[x][y] = 0; for (int dx = -1; dx <= 1; dx++) { for (int dy = -1; dy <= 1; dy++) { int nx = x + dx; int ny = y + dy; if (0 <= nx && nx < h && 0 <= ny && ny < w && field[nx][ny] == 1) dfs(nx, ny); } } return; } void solve(void) { int res = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (field[i][j] == 1) { dfs(i, j); res++; } } } printf("%d\n", res); } int main(void) { while (scanf("%d %d", &w, &h) != EOF) { if (w == 0 && h == 0) { break; } for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { scanf("%d", &field[i][j]); } } solve(); } return 0; }
[["-", 31, 16, 31, 16, 31, 16, 12, 16, 12, 22], ["+", 31, 16, 31, 16, 31, 16, 12, 16, 12, 22], ["-", 15, 339, 51, 16, 31, 16, 12, 16, 12, 22], ["+", 15, 339, 51, 16, 31, 16, 12, 16, 12, 22]]
1
297
#include <iostream> using namespace std; int ans; int map[100][100]; void dfs(int x, int y, int w, int h); int dx[8] = {1, 1, 0, -1, -1, -1, 0, 1}, dy[8] = {0, 1, 1, 1, 0, -1, -1, -1}; int main() { int w, h; while (cin >> w >> h) { ans = 0; if (w == 0 && h == 0) break; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) cin >> map[i][j]; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) { if (map[i][j] == 1) { map[i][j] = 0; ans++; dfs(i, j, w, h); } } // cout<<"map"<<endl; // for(int a=0;a<h;a++){ // for(int b=0;b<w;b++) cout<<map[a][b]; // cout<<endl; // } // cout<<endl; cout << ans << endl; } return 0; } void dfs(int x, int y, int w, int h) { // cout<<"LK+LKJ"<<endl; int nx, ny; for (int i = 0; i < 8; i++) { nx = x + dx[i]; ny = y + dy[i]; if (nx >= 0 && nx < w && ny >= 0 && ny < h && map[ny][nx] == 1) { map[ny][nx] = 0; dfs(nx, ny, w, h); } } }
#include <iostream> using namespace std; int ans; int map[100][100]; void dfs(int x, int y, int w, int h); int dx[8] = {1, 1, 0, -1, -1, -1, 0, 1}, dy[8] = {0, 1, 1, 1, 0, -1, -1, -1}; int main() { int w, h; while (cin >> w >> h) { ans = 0; if (w == 0 && h == 0) break; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) cin >> map[i][j]; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) { if (map[i][j] == 1) { map[i][j] = 0; ans++; dfs(j, i, w, h); } } // cout<<"map"<<endl; // for(int a=0;a<h;a++){ // for(int b=0;b<w;b++) cout<<map[a][b]; // cout<<endl; // } // cout<<endl; cout << ans << endl; } return 0; } void dfs(int x, int y, int w, int h) { // cout<<"LK+LKJ"<<endl; int nx, ny; for (int i = 0; i < 8; i++) { nx = x + dx[i]; ny = y + dy[i]; if (nx >= 0 && nx < w && ny >= 0 && ny < h && map[ny][nx] == 1) { map[ny][nx] = 0; dfs(nx, ny, w, h); } } }
[["-", 64, 9, 0, 1, 0, 2, 3, 4, 0, 22], ["-", 64, 9, 0, 1, 0, 2, 3, 4, 0, 21], ["+", 64, 9, 0, 1, 0, 2, 3, 4, 0, 21], ["+", 64, 9, 0, 1, 0, 2, 3, 4, 0, 22]]
1
347
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools sys.setrecursionlimit(10**7) inf = 10**20 eps = 1.0 / 10**10 mod = 998244353 def LI(): return [int(x) for x in sys.stdin.readline().split()] def LI_(): return [int(x)-1 for x in sys.stdin.readline().split()] def LF(): return [float(x) for x in sys.stdin.readline().split()] def LS(): return sys.stdin.readline().split() def I(): return int(sys.stdin.readline()) def F(): return float(sys.stdin.readline()) def S(): return input() def pf(s): return print(s, flush=True) class Prime(): def __init__(self, n): self.M = m = int(math.sqrt(n)) + 10 self.A = a = [True] * m a[0] = a[1] = False self.T = t = [] for i in range(2, m): if not a[i]: continue if not (i % 7 == 1 or i % 7 == 6): continue t.append(i) for j in range(i*i,m,i): a[j] = False def is_prime(self, n): return self.A[n] def division(self, n): d = [] for c in self.T: if n < c: break if n % c == 0: d.append(c) return d def main(): rr = [] pr = Prime(300000**2) while True: n = I() if n == 1: break d = pr.division(n) rr.append('{}:{}'.format(n,' '.join(map(str,d)))) return '\n'.join(map(str, rr)) print(main())
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools sys.setrecursionlimit(10**7) inf = 10**20 eps = 1.0 / 10**10 mod = 998244353 def LI(): return [int(x) for x in sys.stdin.readline().split()] def LI_(): return [int(x)-1 for x in sys.stdin.readline().split()] def LF(): return [float(x) for x in sys.stdin.readline().split()] def LS(): return sys.stdin.readline().split() def I(): return int(sys.stdin.readline()) def F(): return float(sys.stdin.readline()) def S(): return input() def pf(s): return print(s, flush=True) class Prime(): def __init__(self, n): self.M = m = int(math.sqrt(n)) + 10 self.A = a = [True] * m a[0] = a[1] = False self.T = t = [] for i in range(2, m): if not a[i]: continue if not (i % 7 == 1 or i % 7 == 6): continue t.append(i) for j in range(i*i,m,i): a[j] = False def is_prime(self, n): return self.A[n] def division(self, n): d = [] for c in self.T: if n < c: break if n % c == 0: d.append(c) return d def main(): rr = [] pr = Prime(300000**2) while True: n = I() if n == 1: break d = pr.division(n) rr.append('{}: {}'.format(n,' '.join(map(str,d)))) return '\n'.join(map(str, rr)) print(main())
[["-", 3, 4, 0, 652, 63, 319, 500, 557, 0, 6], ["+", 3, 4, 0, 652, 63, 319, 500, 557, 0, 6]]
5
466
import java.util.Arrays; import java.util.LinkedList; import java.util.PriorityQueue; import java.util.Scanner; public class Main { public static interface Fomula { int eval(int[] input); } public static class Minus implements Fomula { Fomula inner; public Minus(Fomula in) { inner = in; } @Override public int eval(int[] input) { return 2 - inner.eval(input); } public String toString() { return "-" + inner; } } public static class Add implements Fomula { Fomula left, right; public Add(Fomula left, Fomula right) { this.left = left; this.right = right; } @Override public int eval(int[] input) { return Math.max(left.eval(input), right.eval(input)); } public String toString() { return "(" + left + "+" + right + ")"; } } public static class Mul implements Fomula { Fomula left, right; public Mul(Fomula left, Fomula right) { this.left = left; this.right = right; } @Override public int eval(int[] input) { return Math.min(left.eval(input), right.eval(input)); } public String toString() { return "(" + left + "*" + right + ")"; } } public static class Const implements Fomula { int con; public Const(int con) { this.con = con; } @Override public int eval(int[] input) { return con; } public String toString() { return "" + con; } } public static class Var implements Fomula { int var; public Var(int v) { var = v; } @Override public int eval(int[] input) { return input[var]; } public String toString() { return (char)(var + 'P') + ""; } } public static Fomula parse(char[] input, int start, int end) { int k_lv = 0; int k_s = -1, k_e = -1; int m_s = -1; int a_p = -1, m_p = -1; for (int pos = start; pos <= end; pos++) { if (input[pos] == '(') { if (k_lv == 0) { k_s = pos; } k_lv++; } else if (input[pos] == ')') { k_lv--; if (k_lv == 0) { k_e = pos; break; } } else if (input[pos] == '-' && k_lv == 0 && m_s == -1) { m_s = pos; } else if (input[pos] == '*' && k_lv == 1) { m_p = pos; } else if (input[pos] == '+' && k_lv == 1) { a_p = pos; } } if (k_s != -1 && k_e != -1) { if (m_p != -1) { return new Mul(parse(input, k_s + 1, m_p - 1), parse(input, m_p + 1, k_e - 1)); } else { return new Add(parse(input, k_s + 1, a_p - 1), parse(input, a_p + 1, k_e - 1)); } } else if (m_s != -1) { return new Minus(parse(input, m_s + 1, end)); } else if ('0' <= input[start] && input[start] <= '2') { return new Const(input[start] - '0'); } else { return new Var(input[start] - 'P'); } } public static void main(String[] args) { Scanner sc = new Scanner(System.in); while (true) { String str = sc.next(); if (".".equals(str)) { break; } char[] input = str.toCharArray(); Fomula fomula = parse(input, 0, input.length - 1); // System.out.println(fomula); int count = 0; int[] array = new int[3]; for (int p = 0; p <= 2; p++) { array[0] = p; for (int q = 0; q <= 2; q++) { array[1] = q; for (int r = 0; r <= 2; r++) { array[2] = r; if (fomula.eval(array) == 2) { count++; } } } } System.out.println(count); } } }
import java.util.Arrays; import java.util.LinkedList; import java.util.PriorityQueue; import java.util.Scanner; public class Main { public static interface Fomula { int eval(int[] input); } public static class Minus implements Fomula { Fomula inner; public Minus(Fomula in) { inner = in; } @Override public int eval(int[] input) { return 2 - inner.eval(input); } public String toString() { return "-" + inner; } } public static class Add implements Fomula { Fomula left, right; public Add(Fomula left, Fomula right) { this.left = left; this.right = right; } @Override public int eval(int[] input) { return Math.max(left.eval(input), right.eval(input)); } public String toString() { return "(" + left + "+" + right + ")"; } } public static class Mul implements Fomula { Fomula left, right; public Mul(Fomula left, Fomula right) { this.left = left; this.right = right; } @Override public int eval(int[] input) { return Math.min(left.eval(input), right.eval(input)); } public String toString() { return "(" + left + "*" + right + ")"; } } public static class Const implements Fomula { int con; public Const(int con) { this.con = con; } @Override public int eval(int[] input) { return con; } public String toString() { return "" + con; } } public static class Var implements Fomula { int var; public Var(int v) { var = v; } @Override public int eval(int[] input) { return input[var]; } public String toString() { return (char)(var + 'P') + ""; } } public static Fomula parse(char[] input, int start, int end) { int k_lv = 0; int k_s = -1, k_e = -1; int m_s = -1; int a_p = -1, m_p = -1; for (int pos = start; pos <= end; pos++) { if (input[pos] == '(') { if (k_lv == 0) { k_s = pos; } k_lv++; } else if (input[pos] == ')') { k_lv--; if (k_lv == 0) { k_e = pos; break; } } else if (input[pos] == '-' && k_lv == 0 && m_s == -1) { m_s = pos; break; } else if (input[pos] == '*' && k_lv == 1) { m_p = pos; } else if (input[pos] == '+' && k_lv == 1) { a_p = pos; } } if (k_s != -1 && k_e != -1) { if (m_p != -1) { return new Mul(parse(input, k_s + 1, m_p - 1), parse(input, m_p + 1, k_e - 1)); } else { return new Add(parse(input, k_s + 1, a_p - 1), parse(input, a_p + 1, k_e - 1)); } } else if (m_s != -1) { return new Minus(parse(input, m_s + 1, end)); } else if ('0' <= input[start] && input[start] <= '2') { return new Const(input[start] - '0'); } else { return new Var(input[start] - 'P'); } } public static void main(String[] args) { Scanner sc = new Scanner(System.in); while (true) { String str = sc.next(); if (".".equals(str)) { break; } char[] input = str.toCharArray(); Fomula fomula = parse(input, 0, input.length - 1); // System.out.println(fomula); int count = 0; int[] array = new int[3]; for (int p = 0; p <= 2; p++) { array[0] = p; for (int q = 0; q <= 2; q++) { array[1] = q; for (int r = 0; r <= 2; r++) { array[2] = r; if (fomula.eval(array) == 2) { count++; } } } } System.out.println(count); } } }
[["+", 75, 57, 75, 57, 64, 196, 0, 93, 0, 94], ["+", 75, 57, 75, 57, 64, 196, 0, 93, 0, 35]]
3
948
#include <stdio.h> #include <string.h> static const char *e; static int p, q, r; static int expr(void); static int term(void) { int res; switch (*(e++)) { case '-': res = expr(); switch (res) { case 0: res = 2; break; case 2: res = 0; break; } break; case 'P': res = p; break; case 'Q': res = q; break; case 'R': res = r; break; case '0': res = 0; break; case '1': res = 1; break; case '2': res = 2; break; } return (res); } static int nanikaka(void) { int lt, rt; char opr; int res; lt = expr(); opr = *(e++); rt = expr(); switch (opr) { case '*': res = 1; if (lt == 0 || rt == 0) res = 1; if (lt == 2 && rt == 2) res = 2; break; case '+': res = 0; if (lt == 1 || rt == 1) res = 1; if (lt == 2 || rt == 2) res = 2; break; } return (res); } static int expr(void) { int lt, rt, res; switch (*e) { case '(': ++e; res = nanikaka(); ++e; break; default: res = term(); break; } return (res); } /** Application main entry point. */ int main(int argc, char *argv[]) { char s[128]; for (;;) { int res = 0; scanf(" %s", s); if (!strcmp(s, ".")) break; for (p = 0; p <= 2; ++p) for (q = 0; q <= 2; ++q) for (r = 0; r <= 2; ++r) { e = s; res += !!(expr() == 2); } printf("%d\n", res); } return (0); }
#include <stdio.h> #include <string.h> static const char *e; static int p, q, r; static int expr(void); static int term(void) { int res; switch (*(e++)) { case '-': res = expr(); switch (res) { case 0: res = 2; break; case 2: res = 0; break; } break; case 'P': res = p; break; case 'Q': res = q; break; case 'R': res = r; break; case '0': res = 0; break; case '1': res = 1; break; case '2': res = 2; break; } return (res); } static int nanikaka(void) { int lt, rt; char opr; int res; lt = expr(); opr = *(e++); rt = expr(); switch (opr) { case '*': res = 1; if (lt == 0 || rt == 0) res = 0; if (lt == 2 && rt == 2) res = 2; break; case '+': res = 0; if (lt == 1 || rt == 1) res = 1; if (lt == 2 || rt == 2) res = 2; break; } return (res); } static int expr(void) { int lt, rt, res; switch (*e) { case '(': ++e; res = nanikaka(); ++e; break; default: res = term(); break; } return (res); } /** Application main entry point. */ int main(int argc, char *argv[]) { char s[128]; for (;;) { int res = 0; scanf(" %s", s); if (!strcmp(s, ".")) break; for (p = 0; p <= 2; ++p) for (q = 0; q <= 2; ++q) for (r = 0; r <= 2; ++r) { e = s; res += !!(expr() == 2); } printf("%d\n", res); } return (0); }
[["-", 0, 100, 0, 57, 64, 1, 0, 11, 12, 13], ["+", 0, 100, 0, 57, 64, 1, 0, 11, 12, 13]]
0
466
#include <bits/stdc++.h> using namespace std; string str; int pos, P, Q, R; int formula() { pos = -1; if (str[pos] == '(') { int f = formula(); pos++; if (str[pos] == '*') f = min(f, formula()); if (str[pos] == '+') f = max(f, formula()); pos++; return f; } if (str[pos] == '-') return 2 - formula(); if (str[pos] == 'P') return P; if (str[pos] == 'Q') return Q; if (str[pos] == 'R') return R; if (isdigit(str[pos])) return str[pos] - '0'; } int main() { while (cin >> str) { if (str == ".") return 0; int cnt = 0; for (P = 0; P <= 2; P++) for (Q = 0; Q <= 2; Q++) for (R = 0; R <= 2; R++) { pos = -1; cnt += formula() == 2; } cout << cnt << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; string str; int pos, P, Q, R; int formula() { pos++; if (str[pos] == '(') { int f = formula(); pos++; if (str[pos] == '*') f = min(f, formula()); if (str[pos] == '+') f = max(f, formula()); pos++; return f; } if (str[pos] == '-') return 2 - formula(); if (str[pos] == 'P') return P; if (str[pos] == 'Q') return Q; if (str[pos] == 'R') return R; if (isdigit(str[pos])) return str[pos] - '0'; } int main() { while (cin >> str) { if (str == ".") return 0; int cnt = 0; for (P = 0; P <= 2; P++) for (Q = 0; Q <= 2; Q++) for (R = 0; R <= 2; R++) { pos = -1; cnt += formula() == 2; } cout << cnt << endl; } return 0; }
[["-", 0, 14, 8, 9, 0, 1, 0, 11, 17, 32], ["-", 0, 14, 8, 9, 0, 1, 0, 11, 12, 13], ["+", 0, 14, 8, 9, 0, 1, 0, 27, 17, 29]]
1
273
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < n; i++) #define INF 100000000 using namespace std; string s, t; int a, p; int A(int x) { return x == 2 ? 0 : x == 1 ? 1 : 2; } int B(int x, int y) { return x == 0 || y == 0 ? 0 : x == 1 || y == 1 ? 1 : 2; } int C(int x, int y) { return x == 2 || y == 2 ? 2 : x == 1 || y == 1 ? 1 : 0; } int E() { while (s[p] == ')') p++; if (s[p] != '(') { int q = p; while (s[p] == '-') p++; q = (p - q) % 2; if (s[p] == '(') q ? A(E()) : E(); else return q ? A(s[p] - '0') : s[p] - '0'; } int x, y; char z; p++; x = E(); p++; z = s[p]; p++; y = E(); p++; return z != '+' ? B(x, y) : C(x, y); } int main() { while (cin >> t, t != ".") { a = 0; rep(i, 3) rep(j, 3) rep(k, 3) { p = 0; s = t; rep(v, s.size()) s[v] = s[v] == 'P' ? '0' + i : s[v] == 'Q' ? '0' + j : s[v] == 'R' ? '0' + k : s[v]; if (E() == 2) a++; } cout << a << endl; } }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < n; i++) #define INF 100000000 using namespace std; string s, t; int a, p; int A(int x) { return x == 2 ? 0 : x == 1 ? 1 : 2; } int B(int x, int y) { return x == 0 || y == 0 ? 0 : x == 1 || y == 1 ? 1 : 2; } int C(int x, int y) { return x == 2 || y == 2 ? 2 : x == 1 || y == 1 ? 1 : 0; } int E() { while (s[p] == ')') p++; if (s[p] != '(') { int q = p; while (s[p] == '-') p++; q = (p - q) % 2; if (s[p] == '(') return q ? A(E()) : E(); else return q ? A(s[p] - '0') : s[p] - '0'; } int x, y; char z; p++; x = E(); p++; z = s[p]; p++; y = E(); p++; return z != '+' ? B(x, y) : C(x, y); } int main() { while (cin >> t, t != ".") { a = 0; rep(i, 3) rep(j, 3) rep(k, 3) { p = 0; s = t; rep(v, s.size()) s[v] = s[v] == 'P' ? '0' + i : s[v] == 'Q' ? '0' + j : s[v] == 'R' ? '0' + k : s[v]; if (E() == 2) a++; } cout << a << endl; } }
[["+", 0, 57, 64, 9, 0, 57, 64, 37, 0, 38]]
1
426
#include <algorithm> #include <cctype> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <vector> using namespace std; #define rep(i, j) REP((i), 0, (j)) #define REP(i, j, k) for (int i = (j); (i) < (k); ++i) #define BW(a, x, b) ((a) <= (x) && (x) <= (b)) #define ALL(v) (v).begin(), (v).end() #define LENGTHOF(x) (sizeof(x) / sizeof(*(x))) #define AFILL(a, b) fill((int *)a, (int *)(a + LENGTHOF(a)), b) #define SQ(x) ((x) * (x)) #define Mod(x, mod) (((x)+(mod)%(mod)) #define MP make_pair #define PB push_back #define Fi first #define Se second #define INF (1 << 29) #define EPS 1e-10 #define MOD 1000000007 typedef pair<int, int> pi; typedef pair<int, pi> pii; typedef vector<int> vi; typedef queue<int> qi; typedef long long ll; int expr(string &s, int &i); int term(string &s, int &i); int fact(string &s, int &i); int numb(string &s, int &i); int expr(string &s, int &i) { int val = term(s, i); while (s[i] == '+') { i++; val = max(val, term(s, i)); } return val; } int term(string &s, int &i) { int val = fact(s, i); while (s[i] == '*') { i++; int x = fact(s, i); if (min(x, val) == 0) val = 0; else if (min(x, val) == 1) val = 1; else val = 2; } // cout << val << endl; return val; } int invert(string &s, int &i) { if (isdigit(s[i])) return fact(s, i); // cout << i << endl; while (s[i] == '-') { i++; int val2 = invert(s, i); if (val2 == 2) return 0; else if (val2 == 0) return 2; return 1; } return 0; } int fact(string &s, int &i) { if (s[i] == '-') return invert(s, i); if (isdigit(s[i])) return numb(s, i); i++; int ret = expr(s, i); i++; return ret; } int numb(string &s, int &i) { int n = s[i++] - '0'; while (isdigit(s[i])) n = n * 10 + s[i++] - '0'; return n; } int main() { string S; while (cin >> S, S != ".") { int res = 0; rep(i, 3) rep(j, 3) rep(k, 3) { string s = S; rep(l, s.size()) { if (s[l] == 'P') s[l] = i + '0'; if (s[l] == 'Q') s[l] = j + '0'; if (s[l] == 'R') s[l] = k + '0'; } int l = 0; if (expr(s, l) == 2) res++; } cout << res << endl; } return 0; }
#include <algorithm> #include <cctype> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <vector> using namespace std; #define rep(i, j) REP((i), 0, (j)) #define REP(i, j, k) for (int i = (j); (i) < (k); ++i) #define BW(a, x, b) ((a) <= (x) && (x) <= (b)) #define ALL(v) (v).begin(), (v).end() #define LENGTHOF(x) (sizeof(x) / sizeof(*(x))) #define AFILL(a, b) fill((int *)a, (int *)(a + LENGTHOF(a)), b) #define SQ(x) ((x) * (x)) #define Mod(x, mod) (((x)+(mod)%(mod)) #define MP make_pair #define PB push_back #define Fi first #define Se second #define INF (1 << 29) #define EPS 1e-10 #define MOD 1000000007 typedef pair<int, int> pi; typedef pair<int, pi> pii; typedef vector<int> vi; typedef queue<int> qi; typedef long long ll; int expr(string &s, int &i); int term(string &s, int &i); int fact(string &s, int &i); int numb(string &s, int &i); int expr(string &s, int &i) { int val = term(s, i); while (s[i] == '+') { i++; val = max(val, term(s, i)); } return val; } int term(string &s, int &i) { int val = fact(s, i); while (s[i] == '*') { i++; int x = fact(s, i); if (min(x, val) == 0) val = 0; else if (min(x, val) == 1) val = 1; else val = 2; } // cout << val << endl; return val; } int invert(string &s, int &i) { if (isdigit(s[i])) return fact(s, i); while (s[i] == '-') { i++; int val2 = fact(s, i); if (val2 == 2) return 0; else if (val2 == 0) return 2; return 1; } return 0; } int fact(string &s, int &i) { if (s[i] == '-') return invert(s, i); if (isdigit(s[i])) return numb(s, i); i++; int ret = expr(s, i); i++; return ret; } int numb(string &s, int &i) { int n = s[i++] - '0'; while (isdigit(s[i])) n = n * 10 + s[i++] - '0'; return n; } int main() { string S; while (cin >> S, S != ".") { int res = 0; rep(i, 3) rep(j, 3) rep(k, 3) { string s = S; rep(l, s.size()) { if (s[l] == 'P') s[l] = i + '0'; if (s[l] == 'Q') s[l] = j + '0'; if (s[l] == 'R') s[l] = k + '0'; } int l = 0; if (expr(s, l) == 2) res++; } cout << res << endl; } return 0; }
[["-", 8, 9, 0, 43, 49, 50, 51, 2, 63, 22], ["+", 8, 9, 0, 43, 49, 50, 51, 2, 63, 22]]
1
721
#include <algorithm> #include <iostream> #include <string> using namespace std; string S, T; int pos; int solve() { if (T[pos] == '0') { pos++; return 0; } if (T[pos] == '1') { pos++; return 1; } if (T[pos] == '2') { pos++; return 2; } if (T[pos] == '-') { pos++; return 2 - solve(); } if (T[pos] == '(') { pos++; int a = solve(); char c = T[pos]; pos++; int b = solve(); if (c == '+') return max(a, b); if (c == '*') return min(a, b); } return 0; } int main() { while (true) { cin >> S; if (S == ".") break; int ret = 0; for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { for (int k = 0; k < 3; k++) { T = S; for (int l = 0; l < S.size(); l++) { if (S[l] == 'P') T[l] = i + 48; if (S[l] == 'Q') T[l] = j + 48; if (S[l] == 'R') T[l] = k + 48; } pos = 0; if (solve() == 2) { ret++; } } } } printf("%d\n", ret); } return 0; }
#include <algorithm> #include <iostream> #include <string> using namespace std; string S, T; int pos; int solve() { if (T[pos] == '0') { pos++; return 0; } if (T[pos] == '1') { pos++; return 1; } if (T[pos] == '2') { pos++; return 2; } if (T[pos] == '-') { pos++; return 2 - solve(); } if (T[pos] == '(') { pos++; int a = solve(); char c = T[pos]; pos++; int b = solve(); pos++; if (c == '+') return max(a, b); if (c == '*') return min(a, b); } return 0; } int main() { while (true) { cin >> S; if (S == ".") break; int ret = 0; for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { for (int k = 0; k < 3; k++) { T = S; for (int l = 0; l < S.size(); l++) { if (S[l] == 'P') T[l] = i + 48; if (S[l] == 'Q') T[l] = j + 48; if (S[l] == 'R') T[l] = k + 48; } pos = 0; if (solve() == 2) { ret++; } } } } printf("%d\n", ret); } return 0; }
[["+", 0, 57, 64, 9, 0, 1, 0, 27, 28, 22], ["+", 0, 57, 64, 9, 0, 1, 0, 27, 17, 29], ["+", 8, 9, 0, 57, 64, 9, 0, 1, 0, 35]]
1
373
#define _CRT_SECURE_NO_WARNINGS #define _USE_MATH_DEFINES #include "bits/stdc++.h" #define REP(i, a, b) for (i = a; i < b; ++i) #define rep(i, n) REP(i, 0, n) #define ll long long #define ull unsigned ll typedef long double ld; #define ALL(a) (a).begin(), (a).end() #define ifnot(a) if (not a) #define dump(x) cerr << #x << " = " << (x) << endl using namespace std; void reader(int &a) { scanf("%d", &a); } void reader(double &a) { scanf("%lf", &a); } void reader(char a[]) { scanf("%s", a); } void reader(char &a) { scanf(" %c", &a); } void reader(ll &a) { scanf("%lld", &a); } void reader(ull &a) { scanf("%llu", &a); } // void reader(string& a){cin >> a;}; template <class T, class U> void reader(T &t, U &u) { reader(t); reader(u); } template <class T, class U, class V> void reader(T &t, U &u, V &v) { reader(t); reader(u); reader(v); } void writer(const int a, char c) { printf("%d", a); putchar(c); } void writer(const ll a, char c) { printf("%lld", a); putchar(c); } void writer(const ull a, char c) { printf("%llu", a); putchar(c); } void writer(const double a, char c) { printf("%.20lf", a); putchar(c); } void writer(const char a[]) { printf("%s", a); }; void writer(const char a[], char c) { printf("%s", a); putchar(c); }; void writer(const char a, char c) { putchar(a); putchar(c); }; template <class T> void writerLn(T t) { writer(t, '\n'); } template <class T, class U> void writerLn(T t, U u) { writer(t, ' '); writer(u, '\n'); } template <class T, class U, class V> void writerLn(T t, U u, V v) { writer(t, ' '); writer(u, ' '); writer(v, '\n'); } template <class T> void writerArr(T x[], int n) { int i; if (!n) { putchar('\n'); return; } rep(i, n - 1) writer(x[i], ' '); writer(x[n - 1], '\n'); } template <class T> void writerVec(vector<T> x) { int n = x.size(); int i; if (!n) { putchar('\n'); return; } rep(i, n - 1) writer(x[i], ' '); writer(x[n - 1], '\n'); } vector<string> split(const string &str, char sep) { vector<string> v; stringstream ss(str); string buffer; while (getline(ss, buffer, sep)) { v.push_back(buffer); } return v; } // #define int ll bool test = 0; int dx[] = {0, 1, 0, -1}; int dy[] = {1, 0, -1, 0}; #define INF (1 << 28) ull mod = (int)1e9 + 7; //..................... #define MAX 200005 int N, M; int dp[MAX]; bool taked[MAX]; // expr + // term * int P, Q, R; int number(string &s, int &i); int factor(string &s, int &i); int not_calc(string &s, int &i); int term(string &s, int &i); int expr(string &s, int &i); int number(string &s, int &i) { int res; switch (s[i]) { case 'P': res = P; break; case 'Q': res = Q; break; case 'R': res = R; break; default: res = s[i] - '0'; } i++; if (test) { dump(i); fprintf(stderr, "number "); dump(res); } return res; } int factor(string &s, int &i) { if (s[i] != '(') return number(s, i); i++; int ret = expr(s, i); i++; if (test) { fprintf(stderr, "factor : "); dump(ret); } return ret; } int not_calc(string &s, int &i) { int val; int cnt = 0; while (s[i] == '-') { cnt++; i++; } val = factor(s, i); if (cnt % 2) { val = 2 - val; } if (test) { fprintf(stderr, "not_calc "); dump(val); } return val; } int term(string &s, int &i) { int val = not_calc(s, i); while (s[i] == '*') { i++; int val2 = not_calc(s, i); if (val == 0 || val2 == 0) val = 0; else if (val == 1 || val2 == 1) val = 1; } if (test) { fprintf(stderr, "term "); dump(val); } return val; } int expr(string &s, int &i) { int val = term(s, i); while (s[i] == '+') { i++; int val2 = term(s, i); if (val == 2 || val2 == 2) val = 2; else if (val == 1 || val == 1) val = 1; } if (test) { fprintf(stderr, "sum "); dump(val); } return val; } signed main(void) { int i, j, k; while (1) { string s; int cnt = 0; cin >> s; if (s == ".") return 0; // i = 0; // P = 0; Q = 0; R = 0; // expr(s, i); rep(P, 3) rep(Q, 3) rep(R, 3) { // dump(P); // dump(Q); // dump(R); i = 0; if (expr(s, i) == 2) cnt++; } cout << cnt << endl; } return 0; }
#define _CRT_SECURE_NO_WARNINGS #define _USE_MATH_DEFINES #include "bits/stdc++.h" #define REP(i, a, b) for (i = a; i < b; ++i) #define rep(i, n) REP(i, 0, n) #define ll long long #define ull unsigned ll typedef long double ld; #define ALL(a) (a).begin(), (a).end() #define ifnot(a) if (not a) #define dump(x) cerr << #x << " = " << (x) << endl using namespace std; void reader(int &a) { scanf("%d", &a); } void reader(double &a) { scanf("%lf", &a); } void reader(char a[]) { scanf("%s", a); } void reader(char &a) { scanf(" %c", &a); } void reader(ll &a) { scanf("%lld", &a); } void reader(ull &a) { scanf("%llu", &a); } // void reader(string& a){cin >> a;}; template <class T, class U> void reader(T &t, U &u) { reader(t); reader(u); } template <class T, class U, class V> void reader(T &t, U &u, V &v) { reader(t); reader(u); reader(v); } void writer(const int a, char c) { printf("%d", a); putchar(c); } void writer(const ll a, char c) { printf("%lld", a); putchar(c); } void writer(const ull a, char c) { printf("%llu", a); putchar(c); } void writer(const double a, char c) { printf("%.20lf", a); putchar(c); } void writer(const char a[]) { printf("%s", a); }; void writer(const char a[], char c) { printf("%s", a); putchar(c); }; void writer(const char a, char c) { putchar(a); putchar(c); }; template <class T> void writerLn(T t) { writer(t, '\n'); } template <class T, class U> void writerLn(T t, U u) { writer(t, ' '); writer(u, '\n'); } template <class T, class U, class V> void writerLn(T t, U u, V v) { writer(t, ' '); writer(u, ' '); writer(v, '\n'); } template <class T> void writerArr(T x[], int n) { int i; if (!n) { putchar('\n'); return; } rep(i, n - 1) writer(x[i], ' '); writer(x[n - 1], '\n'); } template <class T> void writerVec(vector<T> x) { int n = x.size(); int i; if (!n) { putchar('\n'); return; } rep(i, n - 1) writer(x[i], ' '); writer(x[n - 1], '\n'); } vector<string> split(const string &str, char sep) { vector<string> v; stringstream ss(str); string buffer; while (getline(ss, buffer, sep)) { v.push_back(buffer); } return v; } // #define int ll bool test = 0; int dx[] = {0, 1, 0, -1}; int dy[] = {1, 0, -1, 0}; #define INF (1 << 28) ull mod = (int)1e9 + 7; //..................... #define MAX 200005 int N, M; int dp[MAX]; bool taked[MAX]; // expr + // term * int P, Q, R; int number(string &s, int &i); int factor(string &s, int &i); int not_calc(string &s, int &i); int term(string &s, int &i); int expr(string &s, int &i); int number(string &s, int &i) { int res; switch (s[i]) { case 'P': res = P; break; case 'Q': res = Q; break; case 'R': res = R; break; default: res = s[i] - '0'; } i++; if (test) { dump(i); fprintf(stderr, "number "); dump(res); } return res; } int factor(string &s, int &i) { if (s[i] != '(') return number(s, i); i++; int ret = expr(s, i); i++; if (test) { fprintf(stderr, "factor : "); dump(ret); } return ret; } int not_calc(string &s, int &i) { int val; int cnt = 0; while (s[i] == '-') { cnt++; i++; } val = factor(s, i); if (cnt % 2) { val = 2 - val; } if (test) { fprintf(stderr, "not_calc "); dump(val); } return val; } int term(string &s, int &i) { int val = not_calc(s, i); while (s[i] == '*') { i++; int val2 = not_calc(s, i); if (val == 0 || val2 == 0) val = 0; else if (val == 1 || val2 == 1) val = 1; } if (test) { fprintf(stderr, "term "); dump(val); } return val; } int expr(string &s, int &i) { int val = term(s, i); while (s[i] == '+') { i++; int val2 = term(s, i); if (val == 2 || val2 == 2) val = 2; else if (val == 1 || val2 == 1) val = 1; } if (test) { fprintf(stderr, "sum "); dump(val); } return val; } signed main(void) { int i, j, k; while (1) { string s; int cnt = 0; cin >> s; if (s == ".") return 0; // i = 0; // P = 0; Q = 0; R = 0; // expr(s, i); rep(P, 3) rep(Q, 3) rep(R, 3) { // dump(P); // dump(Q); // dump(R); i = 0; if (expr(s, i) == 2) cnt++; } cout << cnt << endl; } return 0; }
[["-", 0, 57, 15, 339, 51, 16, 12, 16, 31, 22], ["+", 0, 57, 15, 339, 51, 16, 12, 16, 31, 22]]
1
1,440
#include <bits/stdc++.h> #define r(i, n) for (int i = 0; i < n; i++) using namespace std; string s; int p, q, r, i; int dfs() { int t[2] = {}, c = 0, m = 0, w = 0, k = 0, a = 0, pp = 0; t[0] = t[1] = -100; if (s[i] == '(') i++; for (; i < s.size(); i++) { pp = 0; if (s[i] == '(') t[c++] = dfs(), a++, pp++; else if (s[i] >= '0' && s[i] <= '2') t[c++] = s[i] - '0', a++; else if (s[i] == 'P') t[c++] = p, a++; else if (s[i] == 'Q') t[c++] = q, a++; else if (s[i] == 'R') t[c++] = r, a++; else if (s[i] == '-') m++; else if (s[i] == '+') w++, a = 0; else if (s[i] == '*') k++, a = 0; if (m % 2 && a && !pp) { t[c - 1] = abs(t[c - 1] - 2); a = m = 0; } if (s[i] == ')' && !pp) { if (c == 1) return t[0]; if (w) return max(t[0], t[1]); if (k) return min(t[0], t[1]); } } return t[0]; } int main() { while (cin >> s, s != ".") { int res = 0; r(x, 3) r(y, 3) r(z, 3) { p = x; q = y; r = z; i = 0; if (dfs() == 2) res++; } cout << res << endl; } }
#include <bits/stdc++.h> #define r(i, n) for (int i = 0; i < n; i++) using namespace std; string s; int p, q, r, i; int dfs() { int t[2] = {}, c = 0, m = 0, w = 0, k = 0, a = 0, pp = 0; t[0] = t[1] = -100; if (s[i] == '(') i++; for (; i < s.size(); i++) { pp = 0; if (s[i] == '(') t[c++] = dfs(), a++, pp++; else if (s[i] >= '0' && s[i] <= '2') t[c++] = s[i] - '0', a++; else if (s[i] == 'P') t[c++] = p, a++; else if (s[i] == 'Q') t[c++] = q, a++; else if (s[i] == 'R') t[c++] = r, a++; else if (s[i] == '-') m++; else if (s[i] == '+') w++, a = 0; else if (s[i] == '*') k++, a = 0; if (m % 2 && a) { t[c - 1] = abs(t[c - 1] - 2); a = m = 0; } if (s[i] == ')' && !pp) { if (c == 1) return t[0]; if (w) return max(t[0], t[1]); if (k) return min(t[0], t[1]); } } return t[0]; } int main() { while (cin >> s, s != ".") { int res = 0; r(x, 3) r(y, 3) r(z, 3) { p = x; q = y; r = z; i = 0; if (dfs() == 2) res++; } cout << res << endl; } }
[["-", 8, 9, 0, 57, 15, 339, 51, 16, 17, 98], ["-", 0, 57, 15, 339, 51, 16, 12, 91, 17, 111], ["-", 0, 57, 15, 339, 51, 16, 12, 91, 28, 22]]
1
488
#include <bits/stdc++.h> using namespace std; #define State string::const_iterator class ParseError {}; int expression(State &begin); // int term(State &begin); int number(State &begin); int factor(State &begin); int denial(State &begin); void consume(State &begin, char expected); int p, q, r; string input; // 四則演算の式をパースして、その評価結果を返す。 int expression(State &begin) { int ret = factor(begin); while (true) { if (*begin == '+') { consume(begin, '+'); int num = factor(begin); // cout << num << " + " << ret; if (ret == 0 && num == 0) { ret = 0; } else if (ret == 1 || num == 1) { if (ret != 2 && num != 2) { ret = 1; } else { ret = 2; } } else { ret = 2; } // cout << " = " << ret << endl; } else if (*begin == '*') { consume(begin, '*'); int num = factor(begin); // cout << num << " * " << ret; if (num == 2 && ret == 2) { ret = 2; } else if (num == 0 || ret == 0) { ret = 0; } else { ret = 1; } // cout << " = " << ret << endl; } else { break; } } return ret; } int denial(State &begin) { if (*begin == '-') { consume(begin, '-'); int ret = denial(begin); if (ret == 2) { ret = 0; } else if (ret == 0) { ret = 2; } return ret; } return number(begin); } // 数字の列をパースして、その数を返す。 int number(State &begin) { if (*begin == 'P') { consume(begin, 'P'); return p; } else if (*begin == 'Q') { consume(begin, 'Q'); return q; } else if (*begin == 'R') { consume(begin, 'R'); return r; } int ret = 0; while (isdigit(*begin)) { ret *= 10; ret += *begin - '0'; begin++; } return ret; } // 括弧か数をパースして、その評価結果を返す。 int factor(State &begin) { if (*begin == '(') { consume(begin, '('); // '('を飛ばす。 int ret = expression(begin); consume(begin, ')'); // ')'を飛ばす。 return ret; } else { return denial(begin); } } // beginがexpectedを指していたらbeginを一つ進める。 void consume(State &begin, char expected) { if (*begin == expected) { begin++; } else { cerr << "Expected '" << expected << "' but got '" << *begin << "'" << endl; cerr << "Rest string is '"; while (*begin) { cerr << *begin++; } cerr << "'" << endl; cerr << input.end() - begin << endl; throw ParseError(); } } int main() { while (true) { cin >> input; if (input[0] == '.') { break; } int ans = 0; for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { for (int k = 0; k < 3; k++) { p = i; q = j; r = k; State s = input.begin(); if (factor(s) == 2) { ans++; } } } } cout << ans << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; #define State string::const_iterator class ParseError {}; int expression(State &begin); // int term(State &begin); int number(State &begin); int factor(State &begin); int denial(State &begin); void consume(State &begin, char expected); int p, q, r; string input; // 四則演算の式をパースして、その評価結果を返す。 int expression(State &begin) { int ret = factor(begin); while (true) { if (*begin == '+') { consume(begin, '+'); int num = factor(begin); // cout << num << " + " << ret; if (ret == 0 && num == 0) { ret = 0; } else if (ret == 1 || num == 1) { if (ret != 2 && num != 2) { ret = 1; } else { ret = 2; } } else { ret = 2; } // cout << " = " << ret << endl; } else if (*begin == '*') { consume(begin, '*'); int num = factor(begin); // cout << num << " * " << ret; if (num == 2 && ret == 2) { ret = 2; } else if (num == 0 || ret == 0) { ret = 0; } else { ret = 1; } // cout << " = " << ret << endl; } else { break; } } return ret; } int denial(State &begin) { if (*begin == '-') { consume(begin, '-'); int ret = factor(begin); if (ret == 2) { ret = 0; } else if (ret == 0) { ret = 2; } return ret; } return number(begin); } // 数字の列をパースして、その数を返す。 int number(State &begin) { if (*begin == 'P') { consume(begin, 'P'); return p; } else if (*begin == 'Q') { consume(begin, 'Q'); return q; } else if (*begin == 'R') { consume(begin, 'R'); return r; } int ret = 0; while (isdigit(*begin)) { ret *= 10; ret += *begin - '0'; begin++; } return ret; } // 括弧か数をパースして、その評価結果を返す。 int factor(State &begin) { if (*begin == '(') { consume(begin, '('); // '('を飛ばす。 int ret = expression(begin); consume(begin, ')'); // ')'を飛ばす。 return ret; } else { return denial(begin); } } // beginがexpectedを指していたらbeginを一つ進める。 void consume(State &begin, char expected) { if (*begin == expected) { begin++; } else { cerr << "Expected '" << expected << "' but got '" << *begin << "'" << endl; cerr << "Rest string is '"; while (*begin) { cerr << *begin++; } cerr << "'" << endl; cerr << input.end() - begin << endl; throw ParseError(); } } int main() { while (true) { cin >> input; if (input[0] == '.') { break; } int ans = 0; for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { for (int k = 0; k < 3; k++) { p = i; q = j; r = k; State s = input.begin(); if (factor(s) == 2) { ans++; } } } } cout << ans << endl; } return 0; }
[["-", 64, 9, 0, 43, 49, 50, 51, 2, 63, 22], ["+", 64, 9, 0, 43, 49, 50, 51, 2, 63, 22]]
1
728
#include <iostream> #include <string> using namespace std; #define N_MAX 80 string s, s_copy; int ans = 0; int point = 0; char ch(int i) { if (i == 0) return '0'; else if (i == 1) return '1'; else return '2'; } void set(int i, int j, int z) { s_copy = s; int c = s.size(); for (int k = 0; k < c; k++) { if (s_copy[k] == 'P') s_copy[k] = ch(i); if (s_copy[k] == 'Q') s_copy[k] = ch(j); if (s_copy[k] == 'R') s_copy[k] = ch(z); } } int mainus(int i) { switch (i) { case 0: return 2; case 1: return 1; case 2: return 0; } } int kakeru(int x, int y) { return x > y ? y : x; } int tasu(int x, int y) { return x > y ? x : y; } int calc() { switch (s_copy[point++]) { case '0': return 0; case '1': return 1; case '2': return 2; case '-': return mainus(calc()); case '(': int left = calc(); char temp = s_copy[point++]; int right = calc(); if (temp == '+') return tasu(left, right); else return kakeru(left, right); } } int main() { while (true) { cin >> s; if (s == ".") break; for (int i = 0; i <= 2; i++) for (int j = 0; j <= 2; j++) for (int z = 0; z <= 2; z++) { set(i, j, z); point = 0; if (calc() == 2) ans++; } cout << ans << "\n"; ans = 0; } return 0; }
#include <iostream> #include <string> using namespace std; #define N_MAX 80 string s, s_copy; int ans = 0; int point = 0; char ch(int i) { if (i == 0) return '0'; else if (i == 1) return '1'; else return '2'; } void set(int i, int j, int z) { s_copy = s; int c = s.size(); for (int k = 0; k < c; k++) { if (s_copy[k] == 'P') s_copy[k] = ch(i); if (s_copy[k] == 'Q') s_copy[k] = ch(j); if (s_copy[k] == 'R') s_copy[k] = ch(z); } } int mainus(int i) { switch (i) { case 0: return 2; case 1: return 1; case 2: return 0; } } int kakeru(int x, int y) { return x > y ? y : x; } int tasu(int x, int y) { return x > y ? x : y; } int calc() { switch (s_copy[point++]) { case '0': return 0; case '1': return 1; case '2': return 2; case '-': return mainus(calc()); case '(': int left = calc(); char temp = s_copy[point++]; int right = calc(); point++; if (temp == '+') return tasu(left, right); else return kakeru(left, right); } } int main() { while (true) { cin >> s; if (s == ".") break; for (int i = 0; i <= 2; i++) for (int j = 0; j <= 2; j++) for (int z = 0; z <= 2; z++) { set(i, j, z); point = 0; if (calc() == 2) ans++; } cout << ans << "\n"; ans = 0; } return 0; }
[["+", 8, 9, 0, 100, 0, 1, 0, 27, 28, 22], ["+", 8, 9, 0, 100, 0, 1, 0, 27, 17, 29], ["+", 0, 99, 8, 9, 0, 100, 0, 1, 0, 35]]
1
456
#include <cassert> #include <cstdio> #include <iostream> #include <set> using namespace std; string str; int P, Q, R; int Minus(int a) { return 2 - a; } int Prod(int a, int b) { if (a == 0) { return 0; } if (b == 0) { return 0; } if (a == 1) { return 1; } if (b == 1) { return 1; } if (a == 2) { return 2; } } int Sum(int a, int b) { return 2 - Prod(2 - a, 2 - b); } /* int Minus[] = {2, 1, 0}; int Prod[][3] = { {0, 0, 0}, {0, 1, 1}, {0, 1, 2}}; int Sum[][3] = { {0, 1, 2}, {1, 1, 2}, {2, 2, 2}}; */ typedef pair<int, int> Res; Res formula(int i) { if (str[i] == '-') { Res res = formula(i + 1); return Res(Minus(res.first), res.second); } else if (str[i] == '(') { Res lhs = formula(i + 1); i = lhs.second; if (str[i] == '+') { Res rhs = formula(i + 1); assert(str[rhs.second] == ')'); return Res(Sum(lhs.first, rhs.first), rhs.second + 1); } else if (str[i] == '*') { Res rhs = formula(i + 1); assert(str[rhs.second] == ')'); return Res(Prod(lhs.first, rhs.first), rhs.second + 1); } assert(false); } else if (str[i] == 'P') { return Res(P, i + 1); } else if (str[i] == 'Q') { return Res(Q, i + 1); } else if (str[i] == 'R') { return Res(R, i + 1); } else if (str[i] == '0') { return Res(0, i + 1); } else if (str[i] == '1') { return Res(1, i + 1); } else if (str[i] == '2') { return Res(2, i + 1); } assert(false); } void solve() { int cnt; for (P = 0; P < 3; P++) { for (Q = 0; Q < 3; Q++) { for (R = 0; R < 3; R++) { Res res = formula(0); // assert(res.second == str.size()); if (res.first == 2) { cnt++; } } } } cout << cnt << endl; } int main() { while (true) { getline(cin, str); if (str == ".") { return 0; } solve(); } }
#include <cassert> #include <cstdio> #include <iostream> #include <set> using namespace std; string str; int P, Q, R; int Minus(int a) { return 2 - a; } int Prod(int a, int b) { if (a == 0) { return 0; } if (b == 0) { return 0; } if (a == 1) { return 1; } if (b == 1) { return 1; } if (a == 2) { return 2; } } int Sum(int a, int b) { return 2 - Prod(2 - a, 2 - b); } /* int Minus[] = {2, 1, 0}; int Prod[][3] = { {0, 0, 0}, {0, 1, 1}, {0, 1, 2}}; int Sum[][3] = { {0, 1, 2}, {1, 1, 2}, {2, 2, 2}}; */ typedef pair<int, int> Res; Res formula(int i) { if (str[i] == '-') { Res res = formula(i + 1); return Res(Minus(res.first), res.second); } else if (str[i] == '(') { Res lhs = formula(i + 1); i = lhs.second; if (str[i] == '+') { Res rhs = formula(i + 1); assert(str[rhs.second] == ')'); return Res(Sum(lhs.first, rhs.first), rhs.second + 1); } else if (str[i] == '*') { Res rhs = formula(i + 1); assert(str[rhs.second] == ')'); return Res(Prod(lhs.first, rhs.first), rhs.second + 1); } assert(false); } else if (str[i] == 'P') { return Res(P, i + 1); } else if (str[i] == 'Q') { return Res(Q, i + 1); } else if (str[i] == 'R') { return Res(R, i + 1); } else if (str[i] == '0') { return Res(0, i + 1); } else if (str[i] == '1') { return Res(1, i + 1); } else if (str[i] == '2') { return Res(2, i + 1); } assert(false); } void solve() { int cnt = 0; for (P = 0; P < 3; P++) { for (Q = 0; Q < 3; Q++) { for (R = 0; R < 3; R++) { Res res = formula(0); // assert(res.second == str.size()); if (res.first == 2) { cnt++; } } } } cout << cnt << endl; } int main() { while (true) { getline(cin, str); if (str == ".") { return 0; } solve(); } }
[["+", 0, 14, 8, 9, 0, 43, 49, 50, 0, 32], ["+", 0, 14, 8, 9, 0, 43, 49, 50, 51, 13]]
1
601
#include <algorithm> // require sort next_permutation count __gcd reverse etc. #include <cctype> // require tolower, toupper #include <cfloat> #include <climits> #include <cmath> // require fabs #include <cstdio> // require scanf printf #include <cstdlib> // require abs exit atof atoi #include <cstring> // require memset #include <ctime> // require srand #include <deque> #include <fstream> // require freopen #include <functional> #include <iomanip> // require setw #include <iostream> #include <limits> #include <map> #include <numeric> // require accumulate #include <queue> #include <set> #include <sstream> // require stringstream #include <stack> #include <string> #include <vector> #define rep(i, n) for (int i = 0; i < (n); i++) #define ALL(A) A.begin(), A.end() /* http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=1155&lang=jp sorce: ICPC Domestic 2008 構文解析の問題。 <formula> ::= 0 | 1 | 2 | P | Q | R | -<formula> | (<formula>*<formula>) | (<formula>+<formula>) 下のように書き換え <expr>::=<term1><op><term1>|<term1> <term1>::='-'<term1>|<term2> <term2>::='('<expr>')'|0|1|2 文字の部分は数字に置き換え、全探索。 */ using namespace std; typedef long long ll; typedef pair<int, int> P; const int _and[3][3] = {{0, 0, 0}, {0, 1, 1}, {0, 1, 2}}; const int _or[3][3] = {{0, 1, 2}, {0, 1, 2}, {2, 2, 2}}; const int _not[3] = {2, 1, 0}; string s; int idx; int term1(void); int term2(void); int expr(void); int term1(void) { if (s[idx] == '-') { idx++; return _not[term1()]; } else return term2(); } int term2(void) { int res = 0; if (s[idx] == '(') { idx++; res = expr(); idx++; } else { return (s[idx] - '0'); } // end if return res; } int expr(void) { int a = term1(); while (idx < s.size() && s[idx] != ')') { char op = s[idx++]; int b = term1(); switch (op) { case '*': a = _and[a][b]; break; case '+': a = _or[a][b]; break; } // end switch } // end if return a; } int parse(void) { idx = 0; int res = expr(); return res; } int main() { ios_base::sync_with_stdio(0); string str = ""; while (cin >> str, str != ".") { int res = 0; int n = str.length(); rep(p, 3) { string s1 = str; rep(i, n) if (s1[i] == 'P') s1[i] = (char)('0' + p); rep(q, 3) { string t1 = s1; rep(i, n) if (t1[i] == 'Q') t1[i] = (char)('0' + q); rep(r, 3) { s = t1; rep(i, n) if (s[i] == 'R') s[i] = (char)('0' + r); int ans = parse(); // cerr << s << '=' << ans << endl; if (ans == 2) res++; } // end rep } // end rep } // end rep cout << res << endl; } // end while return 0; }
#include <algorithm> // require sort next_permutation count __gcd reverse etc. #include <cctype> // require tolower, toupper #include <cfloat> #include <climits> #include <cmath> // require fabs #include <cstdio> // require scanf printf #include <cstdlib> // require abs exit atof atoi #include <cstring> // require memset #include <ctime> // require srand #include <deque> #include <fstream> // require freopen #include <functional> #include <iomanip> // require setw #include <iostream> #include <limits> #include <map> #include <numeric> // require accumulate #include <queue> #include <set> #include <sstream> // require stringstream #include <stack> #include <string> #include <vector> #define rep(i, n) for (int i = 0; i < (n); i++) #define ALL(A) A.begin(), A.end() /* http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=1155&lang=jp sorce: ICPC Domestic 2008 構文解析の問題。 <formula> ::= 0 | 1 | 2 | P | Q | R | -<formula> | (<formula>*<formula>) | (<formula>+<formula>) 下のように書き換え <expr>::=<term1><op><term1>|<term1> <term1>::='-'<term1>|<term2> <term2>::='('<expr>')'|0|1|2 文字の部分は数字に置き換え、全探索。 */ using namespace std; typedef long long ll; typedef pair<int, int> P; const int _and[3][3] = {{0, 0, 0}, {0, 1, 1}, {0, 1, 2}}; const int _or[3][3] = {{0, 1, 2}, {1, 1, 2}, {2, 2, 2}}; const int _not[3] = {2, 1, 0}; string s; int idx; int term1(void); int term2(void); int expr(void); int term1(void) { if (s[idx] == '-') { idx++; return _not[term1()]; } else return term2(); } int term2(void) { int res = 0; if (s[idx] == '(') { idx++; res = expr(); idx++; } else { return (s[idx] - '0'); } // end if return res; } int expr(void) { int a = term1(); while (idx < s.size() && s[idx] != ')') { char op = s[idx++]; int b = term1(); switch (op) { case '*': a = _and[a][b]; break; case '+': a = _or[a][b]; break; } // end switch } // end if return a; } int parse(void) { idx = 0; int res = expr(); return res; } int main() { ios_base::sync_with_stdio(0); string str = ""; while (cin >> str, str != ".") { int res = 0; int n = str.length(); rep(p, 3) { string s1 = str; rep(i, n) if (s1[i] == 'P') s1[i] = (char)('0' + p); rep(q, 3) { string t1 = s1; rep(i, n) if (t1[i] == 'Q') t1[i] = (char)('0' + q); rep(r, 3) { s = t1; rep(i, n) if (s[i] == 'R') s[i] = (char)('0' + r); int ans = parse(); // cerr << s << '=' << ans << endl; if (ans == 2) res++; } // end rep } // end rep } // end rep cout << res << endl; } // end while return 0; }
[["-", 0, 43, 49, 50, 51, 83, 0, 83, 0, 13], ["+", 0, 43, 49, 50, 51, 83, 0, 83, 0, 13]]
1
631
#include <bits/stdc++.h> using namespace std; #define EPS (1e-10) typedef complex<double> P; //実数同士の比較 bool EQ(double a, double b) { return (abs(a - b) < EPS); } //二つのベクトルが等しいかどうか bool EQV(P a, P b) { return (EQ(a.real(), b.real()) && EQ(a.imag(), b.imag())); } //内積 double dot(P a, P b) { return (a.real() * b.real() + a.imag() * b.imag()); } //外積 double cross(P a, P b) { return (a.real() * b.imag() - a.imag() * b.real()); } // 点a,bを通る直線と点cとの距離 double distance_l_p(P a, P b, P c) { return abs(cross(b - a, c - a)) / abs(b - a); } // 点cが線分a,b上にあるかないか(3) int is_point_on_line(P a, P b, P c) { // |a-c| + |c-b| <= |a-b| なら線分上 return (abs(a - c) + abs(c - b) < abs(a - b) + EPS); } // 点a,bを端点とする線分と点cとの距離 double distance_ls_p(P a, P b, P c) { if (dot(b - a, c - a) < EPS) return abs(c - a); if (dot(a - b, c - b) < EPS) return abs(c - b); return abs(cross(b - a, c - a)) / abs(b - a); } //図を思い出す int ccw(P a, P b, P c) { b -= a; c -= a; if (cross(b, c) > EPS) return +1; if (cross(b, c) < -EPS) return -1; if (dot(b, c) < 0) return +2; if (norm(b) < norm(c)) return -2; return 0; } // a1,a2を端点とする線分とb1,b2を端点とする線分の交差判定 int is_intersected_ls(P a1, P a2, P b1, P b2) { return (ccw(a1, a2, b1) * ccw(a1, a2, b2) <= 0) && (ccw(b1, b2, a1) * ccw(b1, b2, a2) <= 0); } // a1,a2を通る直線とb1,b2を通る直線の交点計算 P intersection_l(P a1, P a2, P b1, P b2) { P a = a2 - a1; P b = b2 - b1; return a1 + a * cross(b, b1 - a1) / cross(b, a); } double distance(P p0, P p1, P p2, P p3) { double ans = 1e10; ans = min(ans, distance_ls_p(p0, p1, p2)); ans = min(ans, distance_ls_p(p0, p1, p3)); ans = min(ans, distance_ls_p(p2, p3, p0)); ans = min(ans, distance_ls_p(p2, p3, p1)); if (is_intersected_ls(p0, p1, p2, p3)) ans = 0.0; return ans; } int main() { while (true) { int n; cin >> n; if (n == 0) break; double x, y; cin >> x >> y; P s = P(x, y); cin >> x >> y; P g = P(x, y); vector<P> mins(n), maxs(n); vector<double> h(n); for (int i = 0; i < n; i++) { cin >> x >> y; mins[i].real(x); mins[i].imag(y); cin >> x >> y; maxs[i].real(x); maxs[i].imag(y); cin >> h[i]; } double ans = 1e9; for (int i = 0; i < n; i++) { double d = 1e9; P p1 = mins[i], p3 = maxs[i]; P p2(mins[i].real(), maxs[i].imag()); P p4(maxs[i].real(), mins[i].imag()); if (p1.real() < s.real() && s.real() < p3.real() && p1.imag() < s.imag() && s.imag() < p3.real()) { ans = 0; break; } d = min(d, distance(s, g, p1, p2)); d = min(d, distance(s, g, p2, p3)); d = min(d, distance(s, g, p3, p4)); d = min(d, distance(s, g, p4, p1)); double r = (h[i] * h[i] + d * d) / (2 * h[i]); if (h[i] < d) { ans = min(ans, r); } else { ans = min(ans, d); } } printf("%f\n", ans); } return 0; }
#include <bits/stdc++.h> using namespace std; #define EPS (1e-10) typedef complex<double> P; //実数同士の比較 bool EQ(double a, double b) { return (abs(a - b) < EPS); } //二つのベクトルが等しいかどうか bool EQV(P a, P b) { return (EQ(a.real(), b.real()) && EQ(a.imag(), b.imag())); } //内積 double dot(P a, P b) { return (a.real() * b.real() + a.imag() * b.imag()); } //外積 double cross(P a, P b) { return (a.real() * b.imag() - a.imag() * b.real()); } // 点a,bを通る直線と点cとの距離 double distance_l_p(P a, P b, P c) { return abs(cross(b - a, c - a)) / abs(b - a); } // 点cが線分a,b上にあるかないか(3) int is_point_on_line(P a, P b, P c) { // |a-c| + |c-b| <= |a-b| なら線分上 return (abs(a - c) + abs(c - b) < abs(a - b) + EPS); } // 点a,bを端点とする線分と点cとの距離 double distance_ls_p(P a, P b, P c) { if (dot(b - a, c - a) < EPS) return abs(c - a); if (dot(a - b, c - b) < EPS) return abs(c - b); return abs(cross(b - a, c - a)) / abs(b - a); } //図を思い出す int ccw(P a, P b, P c) { b -= a; c -= a; if (cross(b, c) > EPS) return +1; if (cross(b, c) < -EPS) return -1; if (dot(b, c) < 0) return +2; if (norm(b) < norm(c)) return -2; return 0; } // a1,a2を端点とする線分とb1,b2を端点とする線分の交差判定 int is_intersected_ls(P a1, P a2, P b1, P b2) { return (ccw(a1, a2, b1) * ccw(a1, a2, b2) <= 0) && (ccw(b1, b2, a1) * ccw(b1, b2, a2) <= 0); } // a1,a2を通る直線とb1,b2を通る直線の交点計算 P intersection_l(P a1, P a2, P b1, P b2) { P a = a2 - a1; P b = b2 - b1; return a1 + a * cross(b, b1 - a1) / cross(b, a); } double distance(P p0, P p1, P p2, P p3) { double ans = 1e10; ans = min(ans, distance_ls_p(p0, p1, p2)); ans = min(ans, distance_ls_p(p0, p1, p3)); ans = min(ans, distance_ls_p(p2, p3, p0)); ans = min(ans, distance_ls_p(p2, p3, p1)); if (is_intersected_ls(p0, p1, p2, p3)) ans = 0.0; return ans; } int main() { while (true) { int n; cin >> n; if (n == 0) break; double x, y; cin >> x >> y; P s = P(x, y); cin >> x >> y; P g = P(x, y); vector<P> mins(n), maxs(n); vector<double> h(n); for (int i = 0; i < n; i++) { cin >> x >> y; // if(z == 24)printf("%.0f %.0f",x,y); mins[i].real(x); mins[i].imag(y); cin >> x >> y; // if(z == 24)printf(" %.0f %.0f",x,y); maxs[i].real(x); maxs[i].imag(y); cin >> h[i]; // if(z == 24)printf(" %.0f \n",h[i]); } double ans = 1e9; for (int i = 0; i < n; i++) { double d = 1e9; P p1 = mins[i], p3 = maxs[i]; P p2(mins[i].real(), maxs[i].imag()); P p4(maxs[i].real(), mins[i].imag()); if (p1.real() < s.real() && s.real() < p3.real() && p1.imag() < s.imag() && s.imag() < p3.imag()) { ans = 0; /* if(z==24){ printf("%.0f %.0f %.0f %.0f\n",p1.real(),p1.imag(),p3.real(),p3.imag()); cout << "break" << endl;}*/ break; } d = min(d, distance(s, g, p1, p2)); d = min(d, distance(s, g, p2, p3)); d = min(d, distance(s, g, p3, p4)); d = min(d, distance(s, g, p4, p1)); double r = (h[i] * h[i] + d * d) / (2 * h[i]); if (h[i] < d) { ans = min(ans, r); } else { ans = min(ans, d); } } printf("%.4f\n", ans); } return 0; }
[["-", 51, 16, 12, 16, 12, 2, 63, 118, 119, 120], ["+", 51, 16, 12, 16, 12, 2, 63, 118, 119, 120], ["-", 0, 1, 0, 2, 3, 4, 0, 5, 0, 6], ["+", 0, 1, 0, 2, 3, 4, 0, 5, 0, 6]]
1
1,081
#include <algorithm> #include <cassert> #include <cctype> #include <climits> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; } template <class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str(); } typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<string> vs; typedef pair<int, int> pii; typedef long long ll; #define ALL(a) (a).begin(), (a).end() #define RALL(a) (a).rbegin(), (a).rend() #define EXIST(s, e) ((s).find(e) != (s).end()) #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define REP(i, n) FOR(i, 0, n) #define EACH(t, i, c) for (t::iterator i = (c).begin(); i != (c).end(); ++i) const double EPS = 1e-10; const double PI = acos(-1.0); #include <complex> typedef complex<double> P; // 外積 (cross product) : a×b = |a||b|sinΘ double cross(P a, P b) { return (a.real() * b.imag() - a.imag() * b.real()); } // 内積 (dot product) : a・b = |a||b|cosΘ double dot(P a, P b) { return (a.real() * b.real() + a.imag() * b.imag()); } // 点a,bを通る直線と点cとの距離 double distance_l_p(P a, P b, P c) { return abs(cross(b - a, c - a)) / abs(b - a); } // 点a,bを端点とする線分と点cとの距離 double distance_ls_p(P a, P b, P c) { if (dot(b - a, c - a) < EPS) return abs(c - a); if (dot(a - b, c - b) < EPS) return abs(c - b); return abs(cross(b - a, c - a)) / abs(b - a); } // 点cが線分a,b上にあるかないか(2) int is_point_on_line(P a, P b, P c) { // |a-c| + |c-b| <= |a-b| なら線分上 return (abs(a - c) + abs(c - b) < abs(a - b) + EPS); } // a1,a2を端点とする線分とb1,b2を端点とする線分の交差判定 int is_intersected_ls(P a1, P a2, P b1, P b2) { if ((cross(a2 - a1, b1 - a1) * cross(a2 - a1, b2 - a1) < -EPS) && (cross(b2 - b1, a1 - b1) * cross(b2 - b1, a2 - b1) < -EPS)) return true; return is_point_on_line(a1, a2, b1) || is_point_on_line(a1, a2, b2) || is_point_on_line(b1, b2, a1) || is_point_on_line(b1, b2, a2); } struct block { int minx, miny, maxx, maxy, h; P p(int n) { switch (n) { case 0: return P(minx, miny); case 1: return P(minx, maxy); case 2: return P(maxx, maxy); case 3: return P(maxx, miny); } } }; int main() { cout.precision(16); int n; while (cin >> n, n) { int sx, sy, ex, ey; cin >> sx >> sy >> ex >> ey; vector<block> blocks(n); REP(i, n) { cin >> blocks[i].minx >> blocks[i].miny >> blocks[i].maxx >> blocks[i].maxy >> blocks[i].h; } double ans = INT_MAX; bool itsc = false; REP(i, n) { REP(j, 4) { if (is_intersected_ls(P(sx, sy), P(ex, ey), blocks[i].p(j), blocks[i].p((j + 1) % 4))) { itsc = true; break; } if (sx + EPS > blocks[i].minx && sx - EPS < blocks[i].maxx && sy + EPS > blocks[i].miny && sy - EPS < blocks[i].maxy) { itsc = true; break; } if (ex + EPS > blocks[i].minx && ex - EPS < blocks[i].maxx && ey + EPS > blocks[i].miny && ey - EPS < blocks[i].maxy) { itsc = true; break; } } if (itsc) { break; } } if (itsc) { cout << 0 << endl; } else { REP(i, n) { double r = INT_MAX; REP(j, 4) { double d = distance_l_p(P(sx, sy), P(ex, ey), blocks[i].p(j)); r = min(r, (blocks[i].h * blocks[i].h + d * d) / 2 / blocks[i].h); double ds = distance_ls_p(blocks[i].p(j), blocks[i].p((j + 1) % 4), P(sx, sy)); r = min(r, (blocks[i].h * blocks[i].h + ds * ds) / 2 / blocks[i].h); double de = distance_ls_p(blocks[i].p(j), blocks[i].p((j + 1) % 4), P(ex, ey)); r = min(r, (blocks[i].h * blocks[i].h + de * de) / 2 / blocks[i].h); } if (blocks[i].h >= r) { REP(j, 4) { double d = distance_l_p(P(sx, sy), P(ex, ey), blocks[i].p(j)); r = min(r, d); double ds = distance_ls_p(blocks[i].p(j), blocks[i].p((j + 1) % 4), P(sx, sy)); r = min(r, ds); double de = distance_ls_p(blocks[i].p(j), blocks[i].p((j + 1) % 4), P(ex, ey)); r = min(r, de); } } ans = min(ans, r); } cout << ans << endl; } } }
#include <algorithm> #include <cassert> #include <cctype> #include <climits> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; } template <class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str(); } typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<string> vs; typedef pair<int, int> pii; typedef long long ll; #define ALL(a) (a).begin(), (a).end() #define RALL(a) (a).rbegin(), (a).rend() #define EXIST(s, e) ((s).find(e) != (s).end()) #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define REP(i, n) FOR(i, 0, n) #define EACH(t, i, c) for (t::iterator i = (c).begin(); i != (c).end(); ++i) const double EPS = 1e-10; const double PI = acos(-1.0); #include <complex> typedef complex<double> P; // 外積 (cross product) : a×b = |a||b|sinΘ double cross(P a, P b) { return (a.real() * b.imag() - a.imag() * b.real()); } // 内積 (dot product) : a・b = |a||b|cosΘ double dot(P a, P b) { return (a.real() * b.real() + a.imag() * b.imag()); } // 点a,bを通る直線と点cとの距離 double distance_l_p(P a, P b, P c) { return abs(cross(b - a, c - a)) / abs(b - a); } // 点a,bを端点とする線分と点cとの距離 double distance_ls_p(P a, P b, P c) { if (dot(b - a, c - a) < EPS) return abs(c - a); if (dot(a - b, c - b) < EPS) return abs(c - b); return abs(cross(b - a, c - a)) / abs(b - a); } // 点cが線分a,b上にあるかないか(2) int is_point_on_line(P a, P b, P c) { // |a-c| + |c-b| <= |a-b| なら線分上 return (abs(a - c) + abs(c - b) < abs(a - b) + EPS); } // a1,a2を端点とする線分とb1,b2を端点とする線分の交差判定 int is_intersected_ls(P a1, P a2, P b1, P b2) { if ((cross(a2 - a1, b1 - a1) * cross(a2 - a1, b2 - a1) < -EPS) && (cross(b2 - b1, a1 - b1) * cross(b2 - b1, a2 - b1) < -EPS)) return true; return is_point_on_line(a1, a2, b1) || is_point_on_line(a1, a2, b2) || is_point_on_line(b1, b2, a1) || is_point_on_line(b1, b2, a2); } struct block { int minx, miny, maxx, maxy, h; P p(int n) { switch (n) { case 0: return P(minx, miny); case 1: return P(minx, maxy); case 2: return P(maxx, maxy); case 3: return P(maxx, miny); } } }; int main() { cout.precision(16); int n; while (cin >> n, n) { int sx, sy, ex, ey; cin >> sx >> sy >> ex >> ey; vector<block> blocks(n); REP(i, n) { cin >> blocks[i].minx >> blocks[i].miny >> blocks[i].maxx >> blocks[i].maxy >> blocks[i].h; } double ans = INT_MAX; bool itsc = false; REP(i, n) { REP(j, 4) { if (is_intersected_ls(P(sx, sy), P(ex, ey), blocks[i].p(j), blocks[i].p((j + 1) % 4))) { itsc = true; break; } if (sx + EPS > blocks[i].minx && sx - EPS < blocks[i].maxx && sy + EPS > blocks[i].miny && sy - EPS < blocks[i].maxy) { itsc = true; break; } if (ex + EPS > blocks[i].minx && ex - EPS < blocks[i].maxx && ey + EPS > blocks[i].miny && ey - EPS < blocks[i].maxy) { itsc = true; break; } } if (itsc) { break; } } if (itsc) { cout << 0 << endl; } else { REP(i, n) { double r = INT_MAX; REP(j, 4) { double d = distance_ls_p(P(sx, sy), P(ex, ey), blocks[i].p(j)); r = min(r, (blocks[i].h * blocks[i].h + d * d) / 2 / blocks[i].h); double ds = distance_ls_p(blocks[i].p(j), blocks[i].p((j + 1) % 4), P(sx, sy)); r = min(r, (blocks[i].h * blocks[i].h + ds * ds) / 2 / blocks[i].h); double de = distance_ls_p(blocks[i].p(j), blocks[i].p((j + 1) % 4), P(ex, ey)); r = min(r, (blocks[i].h * blocks[i].h + de * de) / 2 / blocks[i].h); } if (blocks[i].h >= r) { REP(j, 4) { double d = distance_ls_p(P(sx, sy), P(ex, ey), blocks[i].p(j)); r = min(r, d); double ds = distance_ls_p(blocks[i].p(j), blocks[i].p((j + 1) % 4), P(sx, sy)); r = min(r, ds); double de = distance_ls_p(blocks[i].p(j), blocks[i].p((j + 1) % 4), P(ex, ey)); r = min(r, de); } } ans = min(ans, r); } cout << ans << endl; } } }
[["-", 0, 9, 0, 43, 49, 50, 51, 2, 63, 22], ["+", 0, 9, 0, 43, 49, 50, 51, 2, 63, 22]]
1
1,352
#include <stdio.h> int cnt_koisi[50]; int cheak_isi(int nin, int hito) { int h; for (h = 0; h < nin; h++) { if (h != hito) { if (cnt_koisi[h] > 0) return 0; } } return 1; } int main(void) { int n, p, i; int turn = 0; while (1) { scanf("%d %d", &n, &p); if (n == 0 && p == 0) break; turn = 0; for (i = 0; i < n; i++) { cnt_koisi[i] = 0; } while (1) { if (p > 0) { //回ってきたとき p--; cnt_koisi[turn]++; if (p == 0) { //一つ取った時 if (cheak_isi(n, turn)) { printf("%d", turn); break; } } } else { //お椀の中に入ってなかった時 p = cnt_koisi[turn]; cnt_koisi[turn] = 0; } turn++; if (turn > n - 1) turn = 0; } } return 0; }
#include <stdio.h> int cnt_koisi[50]; int cheak_isi(int nin, int hito) { int h; for (h = 0; h < nin; h++) { if (h != hito) { if (cnt_koisi[h] > 0) return 0; } } return 1; } int main(void) { int n, p, i; int turn = 0; while (1) { scanf("%d %d", &n, &p); if (n == 0 && p == 0) break; turn = 0; for (i = 0; i < n; i++) { cnt_koisi[i] = 0; } while (1) { if (p > 0) { //回ってきたとき p--; cnt_koisi[turn]++; if (p == 0) { //一つ取った時 if (cheak_isi(n, turn)) { printf("%d\n", turn); break; } } } else { //お椀の中に入ってなかった時 p = cnt_koisi[turn]; cnt_koisi[turn] = 0; } turn++; if (turn > n - 1) turn = 0; } } return 0; }
[["+", 0, 1, 0, 2, 3, 4, 0, 5, 0, 44]]
0
227
answers = [] def get_answer(n, p, answers) owan = p index = 0 temoto = [] n.times do temoto << 0 end while true if owan == 0 owan += temoto[index] temoto[index] = 0 else if owan == 1 && temoto[index] == p -1 answers << index return answers end owan -= 1 temoto[index] += 1 end index += 1 index = 0 if index == n end end while true array = gets.chomp.split(" ").map(&:to_i) n = array[0].to_i p = array[1].to_i exit if n == 0 && p == 0 answers = get_answer(n,p, answers) end answers.each do |ans| puts ans end
answers = [] def get_answer(n, p, answers) owan = p index = 0 temoto = [] n.times do temoto << 0 end while true if owan == 0 owan += temoto[index] temoto[index] = 0 else if owan == 1 && temoto[index] == p -1 answers << index return answers end owan -= 1 temoto[index] += 1 end index += 1 index = 0 if index == n end end while true array = gets.chomp.split(" ").map(&:to_i) n = array[0].to_i p = array[1].to_i break if n == 0 && p == 0 answers = get_answer(n,p, answers) end answers.each do |ans| puts ans end
[["-", 0, 493, 0, 89, 8, 170, 0, 751, 8, 22], ["+", 0, 89, 8, 170, 0, 751, 8, 94, 0, 94]]
4
157
import java.io.IOException; import java.util.ArrayDeque; import java.util.Deque; public class Main { public static void main(String[] args) { while (true) { int w = nextInt(); if (w == 0) { break; } int h = nextInt(); int[][] map = new int[h][w]; for (int i = 0; i < map.length; i++) { for (int j = 0; j < map[i].length; j++) { map[i][j] = nextInt(); } } int island = 0; Deque<Integer[]> deque = new ArrayDeque<Integer[]>(); for (int i = 0; i < map.length; i++) { for (int j = 0; j < map.length; j++) { if (map[i][j] == 1) { island++; Integer[] land = {i, j}; deque.addFirst(land); map[i][j] = 0; while (deque.size() > 0) { Integer[] pop = deque.pollFirst(); for (int k = -1; k <= 1; k++) { for (int l = -1; l <= 1; l++) { if (pop[0] + k >= 0 && pop[0] + k < map.length && pop[1] + l >= 0 && pop[1] + l < map[0].length && map[pop[0] + k][pop[1] + l] == 1) { Integer[] push = {pop[0] + k, pop[1] + l}; deque.addFirst(push); map[pop[0] + k][pop[1] + l] = 0; } } } } } } } System.out.println(island); } } static int nextInt() { int c; try { c = System.in.read(); while (c != '-' && (c < '0' || c > '9')) c = System.in.read(); if (c == '-') return -nextInt(); int res = 0; while (c >= '0' && c <= '9') { res = res * 10 + c - '0'; c = System.in.read(); } return res; } catch (IOException e) { e.printStackTrace(); } return -1; } }
import java.io.IOException; import java.util.ArrayDeque; import java.util.Deque; public class Main { public static void main(String[] args) { while (true) { int w = nextInt(); if (w == 0) { break; } int h = nextInt(); int[][] map = new int[h][w]; for (int i = 0; i < map.length; i++) { for (int j = 0; j < map[i].length; j++) { map[i][j] = nextInt(); } } int island = 0; Deque<Integer[]> deque = new ArrayDeque<Integer[]>(); for (int i = 0; i < map.length; i++) { for (int j = 0; j < map[i].length; j++) { if (map[i][j] == 1) { island++; Integer[] land = {i, j}; deque.addFirst(land); map[i][j] = 0; while (deque.size() > 0) { Integer[] pop = deque.pollFirst(); for (int k = -1; k <= 1; k++) { for (int l = -1; l <= 1; l++) { if (pop[0] + k >= 0 && pop[0] + k < map.length && pop[1] + l >= 0 && pop[1] + l < map[0].length && map[pop[0] + k][pop[1] + l] == 1) { Integer[] push = {pop[0] + k, pop[1] + l}; deque.addFirst(push); map[pop[0] + k][pop[1] + l] = 0; } } } } } } } System.out.println(island); } } static int nextInt() { int c; try { c = System.in.read(); while (c != '-' && (c < '0' || c > '9')) c = System.in.read(); if (c == '-') return -nextInt(); int res = 0; while (c >= '0' && c <= '9') { res = res * 10 + c - '0'; c = System.in.read(); } return res; } catch (IOException e) { e.printStackTrace(); } return -1; } }
[["+", 0, 7, 15, 16, 12, 509, 500, 504, 0, 70], ["+", 0, 7, 15, 16, 12, 509, 500, 504, 71, 22], ["+", 0, 7, 15, 16, 12, 509, 500, 504, 0, 73]]
3
538
import java.util.ArrayDeque; import java.util.Scanner; import java.util.Stack; public class Main { public static void main(String[] aaa) { Scanner s = new Scanner(System.in); Stack<Integer> x = new Stack<Integer>(); Stack<Integer> y = new Stack<Integer>(); int h, w, i, j, k, l, count = 0, xx, yy, nx, ny; int[][] memo = new int[51][51]; while (true) { h = s.nextInt(); w = s.nextInt(); if (h == 0 && w == 0) return; for (i = 1; i <= w; i++) { for (j = 1; j <= h; j++) { memo[i][j] = s.nextInt(); } } for (i = 1; i <= h; i++) { for (j = 1; j <= w; j++) { if (memo[i][j] == 1) { // System.out.println("b"+(i)+" "+(j)); memo[i][j] = 0; x.push(i); y.push(j); // System.out.println("now"+now.x+" "+now.y); while (x.size() > 0 && y.size() > 0) { nx = x.pop(); ny = y.pop(); // System.out.println("a"+now.x+" "+now.y); for (k = -1; k <= 1; k++) { for (l = -1; l <= 1; l++) { // if(nx==1)System.out.println("c"+(nx+k)+" "+(ny+l)); if ((nx + k) >= 1 && (nx + k) <= h && (ny + l) >= 1 && (ny + l) <= w && memo[nx + k][ny + l] == 1) { memo[nx + k][ny + l] = 0; x.push(nx + k); y.push(ny + l); // System.out.println("a"+(nx+k)+" "+(ny+l)); // System.out.println(x.size()+" "+y.size()); } } } } count++; } } } System.out.println(count); count = 0; for (i = 1; i <= 50; i++) for (j = 1; j <= 50; j++) memo[i][j] = 0; } } }
import java.util.ArrayDeque; import java.util.Scanner; import java.util.Stack; public class Main { public static void main(String[] aaa) { Scanner s = new Scanner(System.in); Stack<Integer> x = new Stack<Integer>(); Stack<Integer> y = new Stack<Integer>(); int h, w, i, j, k, l, count = 0, xx, yy, nx, ny; int[][] memo = new int[51][51]; while (true) { h = s.nextInt(); w = s.nextInt(); if (h == 0 && w == 0) break; for (i = 1; i <= w; i++) { for (j = 1; j <= h; j++) { memo[i][j] = s.nextInt(); } } for (i = 1; i <= w; i++) { for (j = 1; j <= h; j++) { if (memo[i][j] == 1) { // System.out.println("b"+(i)+" "+(j)); memo[i][j] = 0; x.push(i); y.push(j); // System.out.println("now"+now.x+" "+now.y); while (x.size() > 0 && y.size() > 0) { nx = x.pop(); ny = y.pop(); // System.out.println("a"+now.x+" "+now.y); for (k = -1; k <= 1; k++) { for (l = -1; l <= 1; l++) { // if(nx==1)System.out.println("c"+(nx+k)+" "+(ny+l)); if ((nx + k) >= 1 && (nx + k) <= w && (ny + l) >= 1 && (ny + l) <= h && memo[nx + k][ny + l] == 1) { memo[nx + k][ny + l] = 0; x.push(nx + k); y.push(ny + l); // System.out.println("a"+(nx+k)+" "+(ny+l)); // System.out.println(x.size()+" "+y.size()); } } } } count++; } } } System.out.println(count); count = 0; for (i = 1; i <= 50; i++) for (j = 1; j <= 50; j++) memo[i][j] = 0; } } }
[["-", 0, 52, 8, 196, 0, 57, 64, 37, 0, 38], ["+", 0, 52, 8, 196, 0, 57, 64, 93, 0, 94], ["-", 0, 52, 8, 196, 0, 7, 15, 16, 12, 22], ["+", 0, 52, 8, 196, 0, 7, 15, 16, 12, 22], ["-", 0, 7, 8, 196, 0, 7, 15, 16, 12, 22], ["+", 0, 7, 8, 196, 0, 7, 15, 16, 12, 22], ["-", 31, 16, 31, 16, 31, 16, 12, 16, 12, 22], ["+", 31, 16, 31, 16, 31, 16, 12, 16, 12, 22], ["-", 15, 15, 0, 16, 31, 16, 12, 16, 12, 22], ["+", 15, 15, 0, 16, 31, 16, 12, 16, 12, 22]]
3
472
import java.util.*; public class Main { static int w; static int h; static int[][] fi; public static void main(String[] args) { Scanner sc = new Scanner(System.in); while (true) { w = sc.nextInt(); h = sc.nextInt(); if (w == 0 && h == 0) break; fi = new int[h][w]; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) fi[i][j] = sc.nextInt(); int n = 0; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) if (fi[i][j] == 1) n += loop(j, i); System.out.println(n); } sc.close(); } public static int loop(int x, int y) { fi[x][y] = 0; int[] dx = {0, 1, 1, 1, 0, -1, -1, -1}; int[] dy = {1, 1, 0, -1, -1, -1, 0, 1}; for (int i = 0; i < 8; i++) { int nx = x + dx[i]; int ny = y + dy[i]; if (nx >= 0 && nx <= w && ny >= 0 && ny <= h) { if (fi[nx][ny] == 1) loop(nx, ny); } } return 1; } }
import java.util.*; public class Main { static int w; static int h; static int[][] fi; public static void main(String[] args) { Scanner sc = new Scanner(System.in); while (true) { w = sc.nextInt(); h = sc.nextInt(); if (w == 0 && h == 0) break; fi = new int[h][w]; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) fi[i][j] = sc.nextInt(); int n = 0; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) if (fi[i][j] == 1) n += loop(j, i); System.out.println(n); } sc.close(); } public static int loop(int x, int y) { fi[y][x] = 0; int[] dx = {0, 1, 1, 1, 0, -1, -1, -1}; int[] dy = {1, 1, 0, -1, -1, -1, 0, 1}; for (int i = 0; i < 8; i++) { int nx = x + dx[i]; int ny = y + dy[i]; if (nx >= 0 && nx < w && ny >= 0 && ny < h) { if (fi[ny][nx] == 1) loop(nx, ny); } } return 1; } }
[["-", 0, 1, 0, 11, 31, 504, 516, 504, 71, 22], ["+", 0, 1, 0, 11, 31, 504, 516, 504, 71, 22], ["-", 8, 196, 0, 1, 0, 11, 31, 504, 71, 22], ["+", 8, 196, 0, 1, 0, 11, 31, 504, 71, 22], ["-", 0, 16, 31, 16, 31, 16, 12, 16, 17, 19], ["+", 0, 16, 31, 16, 31, 16, 12, 16, 17, 18], ["-", 0, 57, 15, 15, 0, 16, 12, 16, 17, 19], ["+", 0, 57, 15, 15, 0, 16, 12, 16, 17, 18], ["-", 15, 15, 0, 16, 31, 504, 516, 504, 71, 22], ["+", 15, 15, 0, 16, 31, 504, 516, 504, 71, 22], ["-", 0, 57, 15, 15, 0, 16, 31, 504, 71, 22], ["+", 0, 57, 15, 15, 0, 16, 31, 504, 71, 22]]
3
360
#include <stdio.h> int h, w; int G[50][50]; void visit(int i, int j) { int di[8] = {0, -1, -1, -1, 0, 1, 1, 1}; int dj[8] = {1, 1, 0, -1, -1, -1, 0, 1}; int r; int ni, nj; G[i][j] = 0; for (r = 0; r < 8; r++) { ni = i + di[r]; nj = j + dj[r]; if (-1 < ni && ni < w && -1 < nj && nj < h && G[ni][nj] == 1) visit(ni, nj); } } main(void) { int count = 0; int i, j; while (1) { scanf("%d %d", &w, &h); if (h == 0 && w == 0) break; for (i = 0; i < w; i++) { for (j = 0; j < h; j++) { scanf("%d", &G[i][j]); } } for (i = 0; i < w; i++) { for (j = 0; j < h; j++) { if (G[i][j] == 1) { count++; visit(i, j); } } } printf("%d\n", count); count = 0; } return 0; }
#include <stdio.h> int h, w; int G[50][50]; void visit(int i, int j) { int di[8] = {0, -1, -1, -1, 0, 1, 1, 1}; int dj[8] = {1, 1, 0, -1, -1, -1, 0, 1}; int r; int ni, nj; G[i][j] = 0; for (r = 0; r < 8; r++) { ni = i + di[r]; nj = j + dj[r]; if (-1 < ni && ni < h && -1 < nj && nj < w && G[ni][nj] == 1) visit(ni, nj); } } main(void) { int count = 0; int i, j; while (1) { scanf("%d %d", &w, &h); if (h == 0 && w == 0) break; for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { scanf("%d", &G[i][j]); } } for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { if (G[i][j] == 1) { count++; visit(i, j); } } } printf("%d\n", count); count = 0; } return 0; }
[["-", 31, 16, 31, 16, 31, 16, 12, 16, 12, 22], ["+", 31, 16, 31, 16, 31, 16, 12, 16, 12, 22], ["-", 15, 23, 0, 16, 31, 16, 12, 16, 12, 22], ["+", 15, 23, 0, 16, 31, 16, 12, 16, 12, 22], ["-", 0, 52, 8, 9, 0, 7, 15, 16, 12, 22], ["+", 0, 52, 8, 9, 0, 7, 15, 16, 12, 22], ["-", 0, 7, 8, 9, 0, 7, 15, 16, 12, 22], ["+", 0, 7, 8, 9, 0, 7, 15, 16, 12, 22]]
0
325
#include <stdio.h> int dx[8] = {1, 1, 0, -1, -1, -1, 0, 1}; int dy[8] = {0, -1, -1, -1, 0, 1, 1, 1}; int map[52][52]; void foo(int y, int x, int n) { int i; if (map[y][x] == -1) { map[y][x] = n; for (i = 0; i < 8; i++) { foo(x + dx[i], y + dy[i], n); } } } int main() { int w, h, i, j, ans; while (1) { scanf("%d %d", &w, &h); if (w == 0 && h == 0) { break; } ans = 0; for (i = 0; i < h; i++) { map[i][0] = 0; map[i][h + 1] = 0; } for (j = 0; j < w; j++) { map[0][j] = 0; map[w + 1][j] = 0; } for (i = 1; i <= h; i++) { for (j = 1; j <= w; j++) { scanf("%d", &map[i][j]); map[i][j] *= -1; } } for (i = 1; i <= h; i++) { for (j = 1; j <= w; j++) { if (map[i][j] == -1) { ans++; foo(i, j, ans); } } } printf("%d\n", ans); } return 0; }
#include <stdio.h> int dx[8] = {1, 1, 0, -1, -1, -1, 0, 1}; int dy[8] = {0, -1, -1, -1, 0, 1, 1, 1}; int map[52][52]; void foo(int y, int x, int n) { int i; if (map[y][x] == -1) { map[y][x] = n; for (i = 0; i < 8; i++) { foo(y + dy[i], x + dx[i], n); } } } int main() { int w, h, i, j, ans; while (1) { scanf("%d %d", &w, &h); if (w == 0 && h == 0) { break; } ans = 0; for (i = 0; i < h; i++) { map[i][0] = 0; map[i][h + 1] = 0; } for (j = 0; j < w; j++) { map[0][j] = 0; map[w + 1][j] = 0; } for (i = 1; i <= h; i++) { for (j = 1; j <= w; j++) { scanf("%d", &map[i][j]); map[i][j] *= -1; } } for (i = 1; i <= h; i++) { for (j = 1; j <= w; j++) { if (map[i][j] == -1) { ans++; foo(i, j, ans); } } } printf("%d\n", ans); } return 0; }
[["-", 0, 1, 0, 2, 3, 4, 0, 16, 31, 22], ["+", 0, 1, 0, 2, 3, 4, 0, 16, 31, 22], ["-", 0, 2, 3, 4, 0, 16, 12, 69, 28, 22], ["+", 0, 2, 3, 4, 0, 16, 12, 69, 28, 22]]
0
387
import queue def proceess(start_x,start_y): #insland = [] #insland.append([start_x,start_y]) new_island = queue.Queue() map[start_x][start_y] = 0 new_island.put([start_x,start_y]) while True: ob = new_island.get() x = ob[0] y = ob[1] #print("x : " + str(x) + ", y : " + str(y)) for i in [-1,0,1]: for j in [-1,0,1]: nx = x + i ny = y + j if nx >= 0 and ny >= 0 and nx < w and ny < h: #print(map[nx][ny]) if map[nx][ny] == 1: #insland.append([nx,ny]) #print("nx : " + str(nx) + ", ny : " + str(ny)) new_island.put([nx,ny]) map[nx][ny] = 0 if new_island.empty(): break while True: map = [] tmp = input().split(" ") w = int(tmp[0]) h = int(tmp[1]) if w == 1 and h == 1: break for j in range(h): nova = [] arm = input() for k in arm.split(" "): #k.rstrip('\n') nova.append(int(k)) map.append(nova) #print(map) count = 0 for i in range(w): for j in range(h): if map[i][j] == 1: #print("i : " + str(i) + ", j : " + str(j)) proceess(i,j) count += 1 print(count)
import queue def proceess(start_x,start_y): #print("start_x : " + str(start_x) + ", start_y : " + str(start_y)) #insland = [] #insland.append([start_x,start_y]) new_island = queue.Queue() map[start_x][start_y] = 0 new_island.put([start_x,start_y]) while True: ob = new_island.get() x = ob[0] y = ob[1] #print("x : " + str(x) + ", y : " + str(y)) for i in [-1,0,1]: for j in [-1,0,1]: nx = x + i ny = y + j if nx >= 0 and ny >= 0 and nx < h and ny < w: if map[nx][ny] == 1: #insland.append([nx,ny]) #print("ny : " + str(ny) + ", nx : " + str(nx)) new_island.put([nx,ny]) map[nx][ny] = 0 #print("end 8 count.") if new_island.empty(): break while True: map = [] tmp = input().split(" ") w = int(tmp[0]) h = int(tmp[1]) if w == 0 and h == 0: break for j in range(h): nova = [] arm = input() for k in arm.split(" "): #k.rstrip('\n') nova.append(int(k)) map.append(nova) #print(map) count = 0 for i in range(h): for j in range(w): if map[i][j] == 1: #print("i : " + str(i) + ", j : " + str(j)) proceess(i,j) count += 1 print(count)
[["-", 0, 57, 15, 679, 31, 679, 12, 666, 0, 22], ["+", 0, 57, 15, 679, 31, 679, 12, 666, 0, 22], ["-", 8, 196, 0, 57, 15, 679, 12, 666, 0, 22], ["+", 8, 196, 0, 57, 15, 679, 12, 666, 0, 22], ["-", 8, 196, 0, 57, 15, 679, 31, 666, 0, 612], ["+", 8, 196, 0, 57, 15, 679, 31, 666, 0, 612], ["-", 8, 196, 0, 57, 15, 679, 12, 666, 0, 612], ["+", 8, 196, 0, 57, 15, 679, 12, 666, 0, 612], ["-", 8, 196, 0, 7, 12, 652, 3, 4, 0, 22], ["+", 8, 196, 0, 7, 12, 652, 3, 4, 0, 22]]
5
290
import sys def dfs(tiles, W, H, x, y): tiles[y][x] = '0' for dx,dy in ((-1,-1), (-1,0), (-1,1), (0,-1), (0,1), (1,-1), (1,0), (1,1)): if 0<=x+dx<W and 0<=y+dy<H and tiles[y+dy][x+dx]=='1': dfs(tiles, W, H, x+dx, y+dy) return def main(): while True: W,H = [int(x) for x in input().split()] if W==0 and H==0: exit() tiles = [[c for c in input().split()] for h in range(H)] cnt = 0 for h in range(H): for w in range(W): if tiles[h][w] == '1': cnt += 1 dfs(tiles, W, H, w, h) print(cnt) if __name__ == '__main__': sys.getrecursionlimit(10000) main()
import sys def dfs(tiles, W, H, x, y): tiles[y][x] = '0' for dx,dy in ((-1,-1), (-1,0), (-1,1), (0,-1), (0,1), (1,-1), (1,0), (1,1)): if 0<=x+dx<W and 0<=y+dy<H and tiles[y+dy][x+dx]=='1': dfs(tiles, W, H, x+dx, y+dy) return def main(): while True: W,H = [int(x) for x in input().split()] if W==0 and H==0: exit() tiles = [[c for c in input().split()] for h in range(H)] cnt = 0 for h in range(H): for w in range(W): if tiles[h][w] == '1': cnt += 1 dfs(tiles, W, H, w, h) print(cnt) if __name__ == '__main__': sys.setrecursionlimit(100000) main()
[["-", 64, 196, 0, 1, 0, 652, 63, 319, 319, 22], ["+", 64, 196, 0, 1, 0, 652, 63, 319, 319, 22], ["-", 64, 196, 0, 1, 0, 652, 3, 4, 0, 612], ["+", 64, 196, 0, 1, 0, 652, 3, 4, 0, 612]]
5
269
import sys sys.setrecursionlimit(1<<32) def f(x,y): a[y][x]='0' for dx,dy in[[-1,0],[1,0],[0,-1],[0,1],[-1,-1],[1,-1],[-1,1],[1,1]]: dx+=x;dy+=y if 0<=dx<w and 0<=dy<h and a[dy][dx]=='1':f(dx,dy) while 1: w,h=map(int,input().split()) if w==0:break a=[list(input().split()) for _ in[0]*h];b=0 for i in range(w): for j in range(h): if a[j][i]=='1': b+=1;f(i,j) print(b)
import sys sys.setrecursionlimit(10000) def f(x,y): a[y][x]='0' for dx,dy in[[-1,0],[1,0],[0,-1],[0,1],[-1,-1],[1,-1],[-1,1],[1,1]]: dx+=x;dy+=y if 0<=dx<w and 0<=dy<h and a[dy][dx]=='1':f(dx,dy) while 1: w,h=map(int,input().split()) if w==0:break a=[list(input().split()) for _ in[0]*h];b=0 for i in range(w): for j in range(h): if a[j][i]=='1': b+=1;f(i,j) print(b)
[["-", 0, 1, 0, 652, 3, 4, 0, 657, 31, 612], ["-", 0, 1, 0, 652, 3, 4, 0, 657, 17, 151], ["-", 0, 1, 0, 652, 3, 4, 0, 657, 12, 612], ["+", 0, 656, 0, 1, 0, 652, 3, 4, 0, 612]]
5
222
if __name__ == '__main__': while 1: w,h = list(map(int,input().strip().split())) if w == h ==0:break imap = [list(map(int,input().strip().split())) for _ in range(h)] visited = [] count = 0 for j in range(h): for i in range(w): stack =[] if not (j,i) in visited and imap[j][i] == 1: count +=1 stack.append((j,i)) visited.append(((j,i))) while len(stack) !=0: y,x = stack.pop() if y>0 and imap[y-1][x] == 1 and not (y-1,x) in visited: visited.append((y-1,x)) stack.append((y-1,x)) if x>0 and imap[y][x-1] == 1 and not (y,x-1) in visited: visited.append(((y,x-1))) stack.append((y,x)) if y>0 and x>0 and imap[y-1][x-1] == 1 and not (y-1,x-1) in visited: visited.append((y-1,x-1)) stack.append((y-1,x-1)) if y>0 and x<w-1 and imap[y-1][x+1] ==1 and not (y-1, x+1) in visited: visited.append((y-1, x+1)) stack.append((y-1, x+1)) if y <h-1 and x>0 and imap[y+1][x-1] ==1 and not (y+1,x-1) in visited: visited.append((y+1,x-1)) stack.append((y+1,x-1)) if y < h-1 and x < w-1 and imap[y+1][x+1] ==1and not (y+1,x+1) in visited: visited.append((y+1,x+1)) stack.append((y+1,x+1)) if y < h-1 and imap[y+1][x]== 1 and not (y+1,x) in visited: visited.append((y+1,x)) stack.append((y+1,x)) if x < w-1 and imap[y][x+1] == 1 and not (y,x+1) in visited: visited.append((y,x+1)) stack.append((y,x+1)) print(count)
if __name__ == '__main__': while 1: w,h = list(map(int,input().strip().split())) if w == h ==0:break imap = [list(map(int,input().strip().split())) for _ in range(h)] visited = [] count = 0 for j in range(h): for i in range(w): stack =[] if not (j,i) in visited and imap[j][i] == 1: count +=1 stack.append((j,i)) visited.append(((j,i))) while len(stack) !=0: y,x = stack.pop() if y>0 and imap[y-1][x] == 1 and not (y-1,x) in visited: visited.append((y-1,x)) stack.append((y-1,x)) if x>0 and imap[y][x-1] == 1 and not (y,x-1) in visited: visited.append(((y,x-1))) stack.append((y,x-1)) if y>0 and x>0 and imap[y-1][x-1] == 1 and not (y-1,x-1) in visited: visited.append((y-1,x-1)) stack.append((y-1,x-1)) if y>0 and x<w-1 and imap[y-1][x+1] ==1 and not (y-1, x+1) in visited: visited.append((y-1, x+1)) stack.append((y-1, x+1)) if y <h-1 and x>0 and imap[y+1][x-1] ==1 and not (y+1,x-1) in visited: visited.append((y+1,x-1)) stack.append((y+1,x-1)) if y < h-1 and x < w-1 and imap[y+1][x+1] ==1and not (y+1,x+1) in visited: visited.append((y+1,x+1)) stack.append((y+1,x+1)) if y < h-1 and imap[y+1][x]== 1 and not (y+1,x) in visited: visited.append((y+1,x)) stack.append((y+1,x)) if x < w-1 and imap[y][x+1] == 1 and not (y,x+1) in visited: visited.append((y,x+1)) stack.append((y,x+1)) print(count)
[["+", 0, 652, 3, 4, 0, 660, 0, 657, 17, 33], ["+", 0, 652, 3, 4, 0, 660, 0, 657, 12, 612]]
5
640
import sys sys.setrecursionlimit(10000) def fill(y,x): global w,h,l if 0<=y<h and 0<=x+1<w and l[y][x+1]==1: l[y][x+1]=0 fill(y,x+1) if 0<=y<h and 0<=x-1<w and l[y][x-1]==1: l[y][x-1]=0 fill(y,x-1) if 0<=y+1<h and 0<=x<w and l[y+1][x]==1: l[y+1][x]=0 fill(y+1,x) if 0<=y-1<h and 0<=x<w and l[y-1][x]==1: l[y-1][x]=0 fill(y-1,x) if 0<=y+1<h and 0<=x+1<w and l[y+1][x+1]==1: l[y+1][x+1]=0 fill(y+1,x+1) if 0<=y-1<h and 0<=x+1<w and l[y-1][x+1]==1: l[y-1][x+1]=0 fill(y-1,x+1) if 0<=y+1<h and 0<=x-1<w and l[y+1][x-1]==1: l[y+1][x-1]=0 fill(y+1,x-1) if 0<=y-1<h and 0<=x-1<w and l[y-1][x-1]==1: l[y-1][x-1]=0 fill(y-1,x-1) while 1: w,h=map(int,input().split()) if not w and not h:break l=[map(int,input().split()) for _ in range(h)] cnt=0 while 1: cds=[[i,j.index(1)] for (i,j) in enumerate(l) if 1 in j] if not cds: break else: y,x=cds[0] l[y][x]=0 fill(y,x) cnt+=1 print(cnt)
import sys sys.setrecursionlimit(10000) def fill(y,x): global w,h,l if 0<=y<h and 0<=x+1<w and l[y][x+1]==1: l[y][x+1]=0 fill(y,x+1) if 0<=y<h and 0<=x-1<w and l[y][x-1]==1: l[y][x-1]=0 fill(y,x-1) if 0<=y+1<h and 0<=x<w and l[y+1][x]==1: l[y+1][x]=0 fill(y+1,x) if 0<=y-1<h and 0<=x<w and l[y-1][x]==1: l[y-1][x]=0 fill(y-1,x) if 0<=y+1<h and 0<=x+1<w and l[y+1][x+1]==1: l[y+1][x+1]=0 fill(y+1,x+1) if 0<=y-1<h and 0<=x+1<w and l[y-1][x+1]==1: l[y-1][x+1]=0 fill(y-1,x+1) if 0<=y+1<h and 0<=x-1<w and l[y+1][x-1]==1: l[y+1][x-1]=0 fill(y+1,x-1) if 0<=y-1<h and 0<=x-1<w and l[y-1][x-1]==1: l[y-1][x-1]=0 fill(y-1,x-1) while 1: w,h=map(int,input().split()) if not w and not h:break l=[list(map(int,input().split())) for _ in range(h)] cnt=0 while 1: cds=[[i,j.index(1)] for (i,j) in enumerate(l) if 1 in j] if not cds: break else: y,x=cds[0] l[y][x]=0 fill(y,x) cnt+=1 print(cnt)
[["+", 0, 1, 0, 662, 12, 658, 8, 652, 63, 22], ["+", 0, 662, 12, 658, 8, 652, 3, 4, 0, 24], ["+", 0, 652, 3, 4, 0, 652, 3, 4, 0, 25]]
5
544
#include <iostream> using namespace std; /*bool check(const int x, const int y, const int LandNum, const int aNodeCol[50][50], const int aXMax, const int aYMax){ if ((x<0 || x >= aXMax) || (y<0 || y >= aYMax) || (aNodeCol[x][y] != 1)){ return false; } return true; }*/ bool LandConfirmedAndMawariCheck(const int x, const int y, const int LandNum, int aNodeCol[50][50], const int aXMax, const int aYMax) { if (aNodeCol[x][y] == 1) { aNodeCol[x][y] = LandNum; /*if (check(x - 1, y, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x - 1, y, LandNum, aNodeCol, aXMax, aYMax); if (check(x - 1, y - 1, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x - 1, y - 1, LandNum, aNodeCol, aXMax, aYMax); if (check(x - 1, y + 1, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x - 1, y + 1, LandNum, aNodeCol, aXMax, aYMax); if (check(x + 1, y - 1, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x + 1, y - 1, LandNum, aNodeCol, aXMax, aYMax); if (check(x + 1, y, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x + 1, y, LandNum, aNodeCol, aXMax, aYMax); if (check(x + 1, y + 1, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x + 1, y + 1, LandNum, aNodeCol, aXMax, aYMax); if (check(x, y - 1, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x, y - 1, LandNum, aNodeCol, aXMax, aYMax); if (check(x, y + 1, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x, y + 1, LandNum, aNodeCol, aXMax, aYMax);*/ if (!((x - 1 < 0 || x - 1 >= aXMax) || (y < 0 || y >= aYMax) || (aNodeCol[x - 1][y] != 1))) LandConfirmedAndMawariCheck(x - 1, y, LandNum, aNodeCol, aXMax, aYMax); if (!((x - 1 < 0 || x - 1 >= aXMax) || (y - 1 < 0 || y - 1 >= aYMax) || (aNodeCol[x - 1][y - 1] != 1))) LandConfirmedAndMawariCheck(x - 1, y - 1, LandNum, aNodeCol, aXMax, aYMax); if (!((x - 1 < 0 || x - 1 >= aXMax) || (y + 1 < 0 || y + 1 >= aYMax) || (aNodeCol[x - 1][y + 1] != 1))) LandConfirmedAndMawariCheck(x - 1, y + 1, LandNum, aNodeCol, aXMax, aYMax); if (!((x + 1 < 0 || x + 1 >= aXMax) || (y - 1 < 0 || y - 1 >= aYMax) || (aNodeCol[x + 1][y - 1] != 1))) LandConfirmedAndMawariCheck(x + 1, y - 1, LandNum, aNodeCol, aXMax, aYMax); if (!((x + 1 < 0 || x + 1 >= aXMax) || (y < 0 || y >= aYMax) || (aNodeCol[x + 1][y] != 1))) LandConfirmedAndMawariCheck(x + 1, y, LandNum, aNodeCol, aXMax, aYMax); if (!((x + 1 < 0 || x + 1 >= aXMax) || (y + 1 < 0 || y + 1 >= aYMax) || (aNodeCol[x + 1][y + 1] != 1))) LandConfirmedAndMawariCheck(x + 1, y + 1, LandNum, aNodeCol, aXMax, aYMax); if (!((x < 0 || x >= aXMax) || (y - 1 < 0 || y - 1 >= aYMax) || (aNodeCol[x][y - 1] != 1))) LandConfirmedAndMawariCheck(x, y - 1, LandNum, aNodeCol, aXMax, aYMax); if (!((x < 0 || x >= aXMax) || (y + 1 < 0 || y + 1 >= aYMax) || (aNodeCol[x][y + 1] != 1))) LandConfirmedAndMawariCheck(x, y + 1, LandNum, aNodeCol, aXMax, aYMax); return true; } return false; } int main(void) { int NodeCol[50][50]; int a, b, c; int XMax, YMax; while (1) { cin >> a >> b; if (a == 0 && b == 0) break; XMax = a; YMax = b; for (int Lone = 0; Lone < XMax; ++Lone) { for (int Ltwo = 0; Ltwo < YMax; ++Ltwo) { cin >> c; NodeCol[Lone][Ltwo] = c; } } int t = 2; for (int Lone = 0; Lone < XMax; ++Lone) { for (int Ltwo = 0; Ltwo < YMax; ++Ltwo) { if (NodeCol[Lone][Ltwo] == 1) { if (LandConfirmedAndMawariCheck(Lone, Ltwo, t, NodeCol, XMax, YMax)) t++; } } } cout << t - 2 << endl; } return 0; }
#include <iostream> using namespace std; /*bool check(const int x, const int y, const int LandNum, const int aNodeCol[50][50], const int aXMax, const int aYMax){ if ((x<0 || x >= aXMax) || (y<0 || y >= aYMax) || (aNodeCol[x][y] != 1)){ return false; } return true; }*/ bool LandConfirmedAndMawariCheck(const int x, const int y, const int LandNum, int aNodeCol[50][50], const int aXMax, const int aYMax) { if (aNodeCol[x][y] == 1) { aNodeCol[x][y] = LandNum; /*if (check(x - 1, y, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x - 1, y, LandNum, aNodeCol, aXMax, aYMax); if (check(x - 1, y - 1, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x - 1, y - 1, LandNum, aNodeCol, aXMax, aYMax); if (check(x - 1, y + 1, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x - 1, y + 1, LandNum, aNodeCol, aXMax, aYMax); if (check(x + 1, y - 1, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x + 1, y - 1, LandNum, aNodeCol, aXMax, aYMax); if (check(x + 1, y, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x + 1, y, LandNum, aNodeCol, aXMax, aYMax); if (check(x + 1, y + 1, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x + 1, y + 1, LandNum, aNodeCol, aXMax, aYMax); if (check(x, y - 1, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x, y - 1, LandNum, aNodeCol, aXMax, aYMax); if (check(x, y + 1, LandNum, aNodeCol, aXMax, aYMax))LandConfirmedAndMawariCheck(x, y + 1, LandNum, aNodeCol, aXMax, aYMax);*/ if (!((x - 1 < 0 || x - 1 >= aXMax) || (y < 0 || y >= aYMax) || (aNodeCol[x - 1][y] != 1))) LandConfirmedAndMawariCheck(x - 1, y, LandNum, aNodeCol, aXMax, aYMax); if (!((x - 1 < 0 || x - 1 >= aXMax) || (y - 1 < 0 || y - 1 >= aYMax) || (aNodeCol[x - 1][y - 1] != 1))) LandConfirmedAndMawariCheck(x - 1, y - 1, LandNum, aNodeCol, aXMax, aYMax); if (!((x - 1 < 0 || x - 1 >= aXMax) || (y + 1 < 0 || y + 1 >= aYMax) || (aNodeCol[x - 1][y + 1] != 1))) { LandConfirmedAndMawariCheck(x - 1, y + 1, LandNum, aNodeCol, aXMax, aYMax); } if (!((x + 1 < 0 || x + 1 >= aXMax) || (y - 1 < 0 || y - 1 >= aYMax) || (aNodeCol[x + 1][y - 1] != 1))) LandConfirmedAndMawariCheck(x + 1, y - 1, LandNum, aNodeCol, aXMax, aYMax); if (!((x + 1 < 0 || x + 1 >= aXMax) || (y < 0 || y >= aYMax) || (aNodeCol[x + 1][y] != 1))) LandConfirmedAndMawariCheck(x + 1, y, LandNum, aNodeCol, aXMax, aYMax); if (!((x + 1 < 0 || x + 1 >= aXMax) || (y + 1 < 0 || y + 1 >= aYMax) || (aNodeCol[x + 1][y + 1] != 1))) LandConfirmedAndMawariCheck(x + 1, y + 1, LandNum, aNodeCol, aXMax, aYMax); if (!((x < 0 || x >= aXMax) || (y - 1 < 0 || y - 1 >= aYMax) || (aNodeCol[x][y - 1] != 1))) LandConfirmedAndMawariCheck(x, y - 1, LandNum, aNodeCol, aXMax, aYMax); if (!((x < 0 || x >= aXMax) || (y + 1 < 0 || y + 1 >= aYMax) || (aNodeCol[x][y + 1] != 1))) LandConfirmedAndMawariCheck(x, y + 1, LandNum, aNodeCol, aXMax, aYMax); return true; } return false; } int main(void) { int NodeCol[50][50]; int a, b, c; int XMax, YMax; while (1) { cin >> a >> b; if (a == 0 && b == 0) break; XMax = a; YMax = b; for (int Lone = 0; Lone < YMax; ++Lone) { for (int Ltwo = 0; Ltwo < XMax; ++Ltwo) { cin >> c; NodeCol[Ltwo][Lone] = c; } } int t = 2; for (int Lone = 0; Lone < XMax; ++Lone) { for (int Ltwo = 0; Ltwo < YMax; ++Ltwo) { if (NodeCol[Lone][Ltwo] == 1) { if (LandConfirmedAndMawariCheck(Lone, Ltwo, t, NodeCol, XMax, YMax)) t++; } } } cout << t - 2 << endl; } return 0; }
[["+", 0, 57, 64, 9, 0, 57, 64, 9, 0, 45], ["+", 0, 57, 64, 9, 0, 57, 64, 9, 0, 46], ["-", 0, 52, 8, 9, 0, 7, 15, 16, 12, 22], ["+", 0, 52, 8, 9, 0, 7, 15, 16, 12, 22], ["-", 0, 7, 8, 9, 0, 7, 15, 16, 12, 22], ["+", 0, 7, 8, 9, 0, 7, 15, 16, 12, 22], ["-", 0, 11, 31, 69, 28, 69, 341, 342, 0, 22], ["+", 0, 11, 31, 69, 28, 69, 341, 342, 0, 22], ["-", 0, 1, 0, 11, 31, 69, 341, 342, 0, 22], ["+", 0, 1, 0, 11, 31, 69, 341, 342, 0, 22]]
1
772
#include <algorithm> #include <iostream> using namespace std; int c[50][50]; int dx[8] = {-1, -1, -1, 0, 0, 1, 1, 1}; int dy[8] = {-1, 0, 1, -1, 1, -1, 0, 1}; int ret; int w, h; void dfs(int x, int y) { if (c[x][y] == 0) return; c[x][y] = 0; for (int i = 0; i < 8; i++) { if (x + dx[i] < 0 || x + dx[i] >= w) continue; if (y + dy[i] < 0 || y + dy[i] >= h) continue; dfs(x + dx[i], y + dy[i]); } } int main() { while (cin >> w >> h, w) { ret = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> c[j][i]; } } for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (c[i][j] == 1) { ret++; dfs(j, i); } } } cout << ret << endl; } return 0; }
#include <algorithm> #include <iostream> using namespace std; int c[50][50]; int dx[8] = {-1, -1, -1, 0, 0, 1, 1, 1}; int dy[8] = {-1, 0, 1, -1, 1, -1, 0, 1}; int ret; int w, h; void dfs(int x, int y) { if (c[x][y] == 0) return; c[x][y] = 0; for (int i = 0; i < 8; i++) { if (x + dx[i] < 0 || x + dx[i] >= w) continue; if (y + dy[i] < 0 || y + dy[i] >= h) continue; dfs(x + dx[i], y + dy[i]); } } int main() { while (cin >> w >> h, w) { ret = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> c[j][i]; } } for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (c[j][i] == 1) { ret++; dfs(j, i); } } } cout << ret << endl; } return 0; }
[["-", 51, 16, 31, 69, 28, 69, 341, 342, 0, 22], ["+", 51, 16, 31, 69, 28, 69, 341, 342, 0, 22], ["-", 15, 339, 51, 16, 31, 69, 341, 342, 0, 22], ["+", 15, 339, 51, 16, 31, 69, 341, 342, 0, 22]]
1
314
#define _USE_MATH_DEFINES #include <algorithm> #include <cfloat> #include <cmath> #include <cstdio> #include <functional> #include <iostream> #include <list> #include <map> #include <queue> #include <stack> #include <string> #include <vector> using namespace std; int x, y; int o[52][52]; queue<int> q; void tansaku(int j, int i) { if (j < 1 || j > x || i < 1 || i > y || o[i][j] == 0 || o[i][j] == 2) { return; } if (o[i][j] == 1) { if (q.empty()) q.push(1); o[i][j] = 2; } tansaku(j + 1, i); tansaku(j - 1, i); tansaku(j, i + 1); tansaku(j, i - 1); tansaku(j + 1, i + 1); tansaku(j - 1, i - 1); tansaku(j + 1, i - 1); tansaku(j - 1, i + 1); } int main() { while (cin >> x >> y, x != 0 || y != 0) { int count = 0; for (int i = 1; i <= y; i++) { for (int j = 1; j <= x; j++) { cin >> o[i][j]; } } for (int i = 1; i <= y; i++) { for (int j = 1; j <= x; j++) { tansaku(j, i); if (!q.empty()) { count += q.front(); } q.pop(); } } cout << count << endl; } }
#define _USE_MATH_DEFINES #include <algorithm> #include <cfloat> #include <cmath> #include <cstdio> #include <functional> #include <iostream> #include <list> #include <map> #include <queue> #include <stack> #include <string> #include <vector> using namespace std; int x, y; int o[52][52]; queue<int> q; void tansaku(int j, int i) { if (j < 1 || j > x || i < 1 || i > y || o[i][j] == 0 || o[i][j] == 2) { return; } if (o[i][j] == 1) { if (q.empty()) q.push(1); o[i][j] = 2; } tansaku(j + 1, i); tansaku(j - 1, i); tansaku(j, i + 1); tansaku(j, i - 1); tansaku(j + 1, i + 1); tansaku(j - 1, i - 1); tansaku(j + 1, i - 1); tansaku(j - 1, i + 1); } int main() { while (cin >> x >> y, x != 0 || y != 0) { int count = 0; for (int i = 1; i <= y; i++) { for (int j = 1; j <= x; j++) { cin >> o[i][j]; } } for (int i = 1; i <= y; i++) { for (int j = 1; j <= x; j++) { tansaku(j, i); if (!q.empty()) { count += q.front(); q.pop(); } } } cout << count << endl; } }
[["-", 0, 7, 8, 9, 0, 57, 64, 9, 0, 46], ["+", 0, 7, 8, 9, 0, 57, 64, 9, 0, 46]]
1
363
#include <iostream> #define rep(i, n) for (int i = 0; i < n; i++) using namespace std; int area[50][50], cnt = 0; int w, h; void dfs(int x, int y) { area[x][y] = 0; for (int dx = -1; dx <= 1; dx++) { for (int dy = -1; dy <= 1; dy++) { int nx = x + dx, ny = y + dy; if (0 <= nx && nx < w && 0 <= ny && ny < h && area[nx][ny] == 1) { dfs(nx, ny); } } } } int main() { while (true) { cin >> w >> h; if (w == 0 && h == 0) break; rep(i, h) { rep(j, w) { cin >> area[i][j]; } } rep(i, w) { rep(j, h) { if (area[i][j] == 1) { dfs(i, j); cnt++; } } } cout << cnt << '\n'; cnt = 0; } }
#include <iostream> #define rep(i, n) for (int i = 0; i < n; i++) using namespace std; int area[50][50], cnt = 0; int w, h; void dfs(int x, int y) { area[x][y] = 0; for (int dx = -1; dx <= 1; dx++) { for (int dy = -1; dy <= 1; dy++) { int nx = x + dx, ny = y + dy; if (0 <= nx && nx < w && 0 <= ny && ny < h && area[nx][ny] == 1) { dfs(nx, ny); } } } } int main() { while (true) { cin >> w >> h; if (w == 0 && h == 0) break; rep(j, h) { rep(i, w) { cin >> area[i][j]; } } rep(i, w) { rep(j, h) { if (area[i][j] == 1) { dfs(i, j); cnt++; } } } cout << cnt << '\n'; cnt = 0; } }
[["-", 0, 14, 49, 53, 54, 55, 0, 56, 39, 78], ["+", 0, 14, 49, 53, 54, 55, 0, 56, 39, 78]]
1
243
#include <iostream> #include <queue> #include <stack> #include <utility> #include <vector> using namespace std; bool find1(vector<vector<int>> &C, vector<vector<int>> &check, int *findh, int *findw) { for (int i = 0; i < C.size(); ++i) for (int j = 0; j < C[0].size(); ++j) if (C[i][j] == 1 && check[i][j] == 0) { *findh = i; *findw = j; return true; } return false; } bool find2(vector<vector<int>> &C, vector<vector<int>> &check, int *findh, int *findw) { if (C[*findh - 1][*findw - 1] == 1 && check[*findh - 1][*findw - 1] == 0) { *findh -= 1; *findw -= 1; return true; } else if (C[*findh - 1][*findw] == 1 && check[*findh - 1][*findw] == 0) { *findh -= 1; return true; } else if (C[*findh - 1][*findw + 1] && check[*findh - 1][*findw + 1] == 0) { *findh -= 1; *findw += 1; return true; } else if (C[*findh][*findw - 1] == 1 && check[*findh][*findw - 1] == 0) { *findw -= 1; return true; } else if (C[*findh][*findw + 1] == 1 && check[*findh][*findw + 1] == 0) { *findw += 1; return true; } else if (C[*findh + 1][*findw - 1] == 1 && check[*findh + 1][*findw - 1] == 0) { *findh += 1; *findw -= 1; return true; } else if (C[*findh + 1][*findw] == 1 && check[*findh + 1][*findw] == 0) { *findh += 1; return true; } else if (C[*findh + 1][*findw + 1] == 1 && check[*findh + 1][*findw + 1] == 0) { *findh += 1; *findw += 1; return true; } else return false; } int main() { int w, h, findh, findw; stack<pair<int, int>> finish; queue<int> answer; while (cin >> h >> w && !(w == 0 && h == 0)) { int howmany = 0; vector<vector<int>> C(h + 2, vector<int>(w + 2, 0)), check(h + 2, vector<int>(w + 2, 0)); for (int i = 1; i <= h; ++i) for (int j = 1; j <= w; ++j) cin >> C[i][j]; while (find1(C, check, &findh, &findw)) { check[findh][findw] = 1; finish.push(make_pair(findh, findw)); while (!finish.empty()) { findh = finish.top().first; findw = finish.top().second; while (find2(C, check, &findh, &findw)) { finish.push(make_pair(findh, findw)); check[findh][findw] = 1; } finish.pop(); } ++howmany; } answer.push(howmany); } for (; !answer.empty(); answer.pop()) cout << answer.front() << endl; }
#include <iostream> #include <queue> #include <stack> #include <utility> #include <vector> using namespace std; bool find1(vector<vector<int>> &C, vector<vector<int>> &check, int *findh, int *findw) { for (int i = 0; i < C.size(); ++i) for (int j = 0; j < C[0].size(); ++j) if (C[i][j] == 1 && check[i][j] == 0) { *findh = i; *findw = j; return true; } return false; } bool find2(vector<vector<int>> &C, vector<vector<int>> &check, int *findh, int *findw) { if (C[*findh - 1][*findw - 1] == 1 && check[*findh - 1][*findw - 1] == 0) { *findh -= 1; *findw -= 1; return true; } else if (C[*findh - 1][*findw] == 1 && check[*findh - 1][*findw] == 0) { *findh -= 1; return true; } else if (C[*findh - 1][*findw + 1] == 1 && check[*findh - 1][*findw + 1] == 0) { *findh -= 1; *findw += 1; return true; } else if (C[*findh][*findw - 1] == 1 && check[*findh][*findw - 1] == 0) { *findw -= 1; return true; } else if (C[*findh][*findw + 1] == 1 && check[*findh][*findw + 1] == 0) { *findw += 1; return true; } else if (C[*findh + 1][*findw - 1] == 1 && check[*findh + 1][*findw - 1] == 0) { *findh += 1; *findw -= 1; return true; } else if (C[*findh + 1][*findw] == 1 && check[*findh + 1][*findw] == 0) { *findh += 1; return true; } else if (C[*findh + 1][*findw + 1] == 1 && check[*findh + 1][*findw + 1] == 0) { *findh += 1; *findw += 1; return true; } else return false; } int main() { int w, h, findh, findw; stack<pair<int, int>> finish; queue<int> answer; while (cin >> w >> h && !(w == 0 && h == 0)) { int howmany = 0; vector<vector<int>> C(h + 2, vector<int>(w + 2, 0)), check(h + 2, vector<int>(w + 2, 0)); for (int i = 1; i <= h; ++i) for (int j = 1; j <= w; ++j) cin >> C[i][j]; while (find1(C, check, &findh, &findw)) { check[findh][findw] = 1; finish.push(make_pair(findh, findw)); while (!finish.empty()) { findh = finish.top().first; findw = finish.top().second; while (find2(C, check, &findh, &findw)) { finish.push(make_pair(findh, findw)); check[findh][findw] = 1; } finish.pop(); } ++howmany; } answer.push(howmany); } for (; !answer.empty(); answer.pop()) cout << answer.front() << endl; }
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1
816
#include <bits/stdc++.h> using namespace std; const int dx[] = {1, 0, -1, 0, 1, 1, -1, -1}, dy[] = {0, 1, 0, -1, 1, -1, 1, -1}; int field[51][51]; int h, w; void sol(int x, int y) { field[x][y] = 0; for (int i = 0; i < 8; i++) { if ((0 <= x + dx[i] && x + dx[i] < h) || (0 <= y + dy[i] && y + dy[i] < w)) if (field[x + dx[i]][y + dy[i]] == 1) sol(x + dx[i], y + dy[i]); } } int main() { while (cin >> h >> w, h || w) { int res = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> field[i][j]; } } for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (field[i][j] == 1) { res++; sol(i, j); } } } cout << res << endl; } }
#include <bits/stdc++.h> using namespace std; const int dx[] = {1, 0, -1, 0, 1, 1, -1, -1}, dy[] = {0, 1, 0, -1, 1, -1, 1, -1}; int field[51][51]; int h, w; void sol(int x, int y) { field[x][y] = 0; for (int i = 0; i < 8; i++) { if ((0 <= x + dx[i] && x + dx[i] < h) || (0 <= y + dy[i] && y + dy[i] < w)) if (field[x + dx[i]][y + dy[i]] == 1) sol(x + dx[i], y + dy[i]); } } int main() { while (cin >> w >> h, h || w) { int res = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> field[i][j]; } } for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (field[i][j] == 1) { res++; sol(i, j); } } } cout << res << endl; } }
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1
313
#include <bits/stdc++.h> using namespace std; using ll = long long; #define int ll #define FOR(i, a, b) for (int i = int(a); i < int(b); i++) #define REP(i, b) FOR(i, 0, b) int read() { int i; scanf("%lld", &i); return i; } int land[100][100] = {0}; int dy[] = {-1, -1, -1, 0, 0, 1, 1, 1}; int dx[] = {-1, 0, 1, -1, 1, -1, 0, 1}; int cnt = 0; void isLand(int i, int j) { if (land[i][j] == 1) { land[i][j] = 0; REP(k, 8) { int newx = i + dy[k]; int newy = j + dx[k]; isLand(newy, newx); } } } signed main() { int w, h; while (w = read(), h = read(), w || h) { cnt = 0; REP(i, 100) { REP(j, 100) { land[i][j] = 0; } } FOR(i, 1, h + 1) { FOR(j, 1, w + 1) { land[i][j] = read(); } } FOR(i, 1, h + 1) { FOR(j, 1, w + 1) { if (land[i][j] == 1) { cnt++; isLand(i, j); } } } cout << cnt << endl; } }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define int ll #define FOR(i, a, b) for (int i = int(a); i < int(b); i++) #define REP(i, b) FOR(i, 0, b) int read() { int i; scanf("%lld", &i); return i; } int land[100][100] = {0}; int dy[] = {-1, -1, -1, 0, 0, 1, 1, 1}; int dx[] = {-1, 0, 1, -1, 1, -1, 0, 1}; int cnt = 0; void isLand(int i, int j) { if (land[i][j] == 1) { land[i][j] = 0; REP(k, 8) { int newy = i + dy[k]; int newx = j + dx[k]; isLand(newy, newx); } } } signed main() { int w, h; while (w = read(), h = read(), w || h) { cnt = 0; REP(i, 100) { REP(j, 100) { land[i][j] = 0; } } FOR(i, 1, h + 1) { FOR(j, 1, w + 1) { land[i][j] = read(); } } FOR(i, 1, h + 1) { FOR(j, 1, w + 1) { if (land[i][j] == 1) { cnt++; isLand(i, j); } } } cout << cnt << endl; } }
[["-", 64, 9, 0, 9, 0, 43, 49, 50, 49, 22], ["+", 64, 9, 0, 9, 0, 43, 49, 50, 49, 22]]
1
347
#include <iostream> #include <vector> using namespace std; int dx[8] = {0, 1, 0, -1, 1, 1, -1, -1}; int dy[8] = {1, 0, -1, 0, 1, -1, 1, -1}; bool dfs(int sx, int sy, vector<vector<bool>> &c) { if (c[sx][sy] == false) return false; c[sx][sy] = false; for (int i = 0; i < 8; i++) { int nx = sx + dx[i]; int ny = sy + dy[i]; bool flag = dfs(nx, ny, c); } return true; } int main(void) { int h, w, temp; while (1) { cin >> w >> h; if (w == 0) break; vector<vector<bool>> c(w + 2, vector<bool>(h + 2, false)); for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { cin >> temp; if (temp == 1) c[i][j] = true; } } int t = 0; for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { bool flag = dfs(i, j, c); if (flag) t++; } } cout << t << endl; } return 0; }
#include <iostream> #include <vector> using namespace std; int dx[8] = {0, 1, 0, -1, 1, 1, -1, -1}; int dy[8] = {1, 0, -1, 0, 1, -1, 1, -1}; bool dfs(int sx, int sy, vector<vector<bool>> &c) { if (c[sx][sy] == false) return false; c[sx][sy] = false; for (int i = 0; i < 8; i++) { int nx = sx + dx[i]; int ny = sy + dy[i]; bool flag = dfs(nx, ny, c); } return true; } int main(void) { int h, w, temp; while (1) { cin >> w >> h; if (w == 0) break; vector<vector<bool>> c(h + 2, vector<bool>(w + 2, false)); for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { cin >> temp; if (temp == 1) c[i][j] = true; } } int t = 0; for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { bool flag = dfs(i, j, c); if (flag) t++; } } cout << t << endl; } return 0; }
[["-", 0, 43, 49, 50, 51, 4, 0, 16, 31, 22], ["+", 0, 43, 49, 50, 51, 4, 0, 16, 31, 22], ["-", 51, 4, 0, 2, 3, 4, 0, 16, 31, 22], ["+", 51, 4, 0, 2, 3, 4, 0, 16, 31, 22]]
1
330
#include <algorithm> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <iomanip> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; typedef vector<int> VI; typedef vector<vector<int>> VVI; typedef vector<string> VS; typedef pair<int, int> PII; typedef pair<int, PII> PIII; int dy[8] = {-1, -1, -1, 0, 0, 1, 1, 1}; int dx[8] = {-1, 0, 1, -1, 0, -1, 0, 1}; void dfs(VVI &table, int i, int j) { table[i][j] = 0; for (int loop = 0; loop < 8; loop++) { int new_i = i + dy[loop]; int new_j = j + dx[loop]; if (table[new_i][new_j] == 1) { dfs(table, new_i, new_j); } } return; } int main(void) { while (true) { int w; int h; cin >> w >> h; if (w == 0 && h == 0) { break; } VVI table(h + 2, VI(w + 2, 0)); for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { cin >> table[i][j]; } } int number = 0; for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { if (table[i][j] == 1) { dfs(table, i, j); number++; } } } cout << number << endl; } return 0; }
#include <algorithm> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <iomanip> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; typedef vector<int> VI; typedef vector<vector<int>> VVI; typedef vector<string> VS; typedef pair<int, int> PII; typedef pair<int, PII> PIII; int dy[8] = {-1, -1, -1, 0, 0, 1, 1, 1}; int dx[8] = {-1, 0, 1, -1, 1, -1, 0, 1}; void dfs(VVI &table, int i, int j) { table[i][j] = 0; for (int loop = 0; loop < 8; loop++) { int new_i = i + dy[loop]; int new_j = j + dx[loop]; if (table[new_i][new_j] == 1) { dfs(table, new_i, new_j); } } return; } int main(void) { while (true) { int w; int h; cin >> w >> h; if (w == 0 && h == 0) { break; } VVI table(h + 2, VI(w + 2, 0)); for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { cin >> table[i][j]; } } int number = 0; for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { if (table[i][j] == 1) { dfs(table, i, j); number++; } } } cout << number << endl; } return 0; }
[["-", 0, 30, 0, 43, 49, 50, 51, 83, 0, 13], ["+", 0, 30, 0, 43, 49, 50, 51, 83, 0, 13]]
1
378
#include <iostream> #include <vector> using namespace std; const int dx[] = {-1, -1, -1, 0, 0, 1, 1, 1}; const int dy[] = {-1, 0, 1, -1, 1, -1, 0, 1}; void dfs(int x, int y, vector<vector<bool>> &canGo) { canGo[x][y] = false; for (int i = 0; i < 9; i++) if (canGo[x + dx[i]][y + dy[i]]) dfs(x + dx[i], y + dy[i], canGo); return; } int main(void) { while (true) { int w, h; cin >> w >> h; if (w == 0 && h == 0) { break; } int input; vector<vector<bool>> canGo(h + 2, vector<bool>(w + 2, false)); for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { cin >> input; if (input == 1) { canGo[i][j] = true; } } } int count = 0; for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { if (canGo[i][j]) { ++count; dfs(i, j, canGo); } } } cout << count << endl; } return 0; }
#include <iostream> #include <vector> using namespace std; const int dx[] = {-1, -1, -1, 0, 0, 1, 1, 1}; const int dy[] = {-1, 0, 1, -1, 1, -1, 0, 1}; void dfs(int x, int y, vector<vector<bool>> &canGo) { canGo[x][y] = false; for (int i = 0; i < 8; i++) if (canGo[x + dx[i]][y + dy[i]]) dfs(x + dx[i], y + dy[i], canGo); return; } int main(void) { while (true) { int w, h; cin >> w >> h; if (w == 0 && h == 0) { break; } int input; vector<vector<bool>> canGo(h + 2, vector<bool>(w + 2, false)); for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { cin >> input; if (input == 1) { canGo[i][j] = true; } } } int count = 0; for (int i = 1; i <= h; i++) { for (int j = 1; j <= w; j++) { if (canGo[i][j]) { ++count; dfs(i, j, canGo); } } } cout << count << endl; } return 0; }
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 12, 13], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 12, 13]]
1
333
#include <bits/stdc++.h> using namespace std; char a[50][50]; void calc(int i, int j) { if (a[i][j] == '1') { a[i][j] = 2; calc(i + 1, j); calc(i, j + 1); calc(i + 1, j + 1); calc(i + 1, j - 1); calc(i - 1, j); calc(i, j - 1); calc(i - 1, j - 1); calc(i - 1, j + 1); } else return; } int main() { while (1) { int w, h; cin >> w >> h; if (w == 0 && h == 0) break; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> a[i][j]; } } int count = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (a[i][j] == '1') { count++; calc(i, j); } } } cout << count << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int a[500][500]; void calc(int i, int j) { if (a[i][j] == 1) { a[i][j] = 2; calc(i + 1, j); calc(i, j + 1); calc(i + 1, j + 1); calc(i + 1, j - 1); calc(i - 1, j); calc(i, j - 1); calc(i - 1, j - 1); calc(i - 1, j + 1); } else return; } int main() { while (1) { int w, h; cin >> w >> h; if (w == 0 && h == 0) break; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> a[i][j]; } } int count = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (a[i][j] == 1) { count++; calc(i, j); } } } cout << count << endl; } return 0; }
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1
284
#include <bits/stdc++.h> #define rep(i, a, b) for (int i = int(a); i < int(b); ++i) using namespace std; typedef long long ll; int INF = (1LL << 30) - 1; int MOD = 1e9 + 7; int H, W; void dfs(int h, int w, vector<vector<int>> &table) { // cout << h << " " << w << endl; table[h][w] = 0; int dx[] = {-1, -1, -1, 0, 0, 1, 1, 1}; int dy[] = {-1, 0, 1, -1, 1, -1, 0, 1}; rep(i, 0, 8) { int nx = w + dx[i]; int ny = h + dy[i]; if (nx >= W || nx < 0 || ny >= H || ny < 0) continue; if (table[ny][nx]) dfs(ny, nx, table); } } main() { cin >> W >> H; vector<vector<int>> table; while (W) { table = vector<vector<int>>(H, vector<int>(W)); rep(i, 0, H) rep(j, 0, W) cin >> table[i][j]; int cnt = 0; rep(i, 0, H) rep(j, 0, W) { if (table[i][j] == 1) { // cout << i << " " << j << endl; dfs(i, j, table); cnt++; } } cout << cnt << endl; cin >> H >> W; } }
#include <bits/stdc++.h> #define rep(i, a, b) for (int i = int(a); i < int(b); ++i) using namespace std; typedef long long ll; int INF = (1LL << 30) - 1; int MOD = 1e9 + 7; int H, W; void dfs(int h, int w, vector<vector<int>> &table) { // cout << h << " " << w << endl; table[h][w] = 0; int dx[] = {-1, -1, -1, 0, 0, 1, 1, 1}; int dy[] = {-1, 0, 1, -1, 1, -1, 0, 1}; rep(i, 0, 8) { int nx = w + dx[i]; int ny = h + dy[i]; if (nx >= W || nx < 0 || ny >= H || ny < 0) continue; if (table[ny][nx]) dfs(ny, nx, table); } } main() { cin >> W >> H; vector<vector<int>> table; while (W) { table = vector<vector<int>>(H, vector<int>(W)); rep(i, 0, H) rep(j, 0, W) cin >> table[i][j]; int cnt = 0; rep(i, 0, H) rep(j, 0, W) { if (table[i][j] == 1) { // cout << i << " " << j << endl; dfs(i, j, table); cnt++; } } cout << cnt << endl; cin >> W >> H; } }
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1
331
// Tue Dec 22 22:01:34 JST 2009 #include <iostream> #include <queue> #include <set> using namespace std; #define REP(i, b, n) for (int i = b; i < n; i++) #define rep(i, n) REP(i, 0, n) #define mp make_pair int dx[] = {0, 1, 1, 0, -1, -1}; int dy[] = {-1, -1, 0, 1, 1, 0}; #define CONNECT true #define UNCONNECT false #define CANMOVE true #define CANNOTMOVE false class state { public: int len; int x[8], y[8]; int cnt; int path[8]; bool is_connected(int me, int you) { if (x[me] == x[you]) { if (y[me] - 1 == y[you] || y[me] + 1 == y[you] || y[me] == y[you]) return CONNECT; } else if (x[me] + 1 == x[you]) { if (y[me] == y[you] || y[me] - 1 == y[you]) return CONNECT; } else if (x[me] - 1 == x[you]) { if (y[me] == y[you] || y[me] + 1 == y[you]) return CONNECT; } return UNCONNECT; } bool can_good_pos(int cur) { rep(i, cur - 1) { if (is_connected(cur, i) == CONNECT) return false; // } if (cur == 0 || is_connected(cur, cur - 1) == CONNECT) return true; // return false; } void make_next(int now, queue<state> &Q, set<state> &S, bool flag, set<pair<int, int>> &NG) { if (now == len) { if (S.find((*this)) == S.end()) { cnt++; S.insert(*this); Q.push(*this); cnt--; } return; } // don't move if (can_good_pos(now)) { path[now] = -1; make_next(now + 1, Q, S, CANMOVE, NG); } if (flag == CANNOTMOVE) return; // rep(i, 6) { x[now] += dx[i]; y[now] += dy[i]; path[now] = i; if (NG.find(mp(x[now], y[now])) == NG.end() && can_good_pos(now)) { make_next(now + 1, Q, S, CANNOTMOVE, NG); // } x[now] -= dx[i]; y[now] -= dy[i]; } } bool operator<(const state &a) const { rep(i, len) { if (x[i] != a.x[i]) return x[i] < a.x[i]; if (y[i] != a.y[i]) return y[i] < a.y[i]; } return false; } }; int bfs(state ini, int dx, int dy, set<pair<int, int>> &NG) { queue<state> Q; set<state> S; Q.push(ini); S.insert(ini); while (!Q.empty()) { state now = Q.front(); Q.pop(); if (15 < now.cnt + (max(now.x[0], dx) - min(now.x[0], dy) + max(now.y[0], dy) - min(now.y[0], dy))) continue; if (now.x[0] == dx && now.y[0] == dy) { return now.cnt; } now.make_next(0, Q, S, CANMOVE, NG); } return -1; } main() { int n, m, dx, dy; while (cin >> n && n) { state ini; set<pair<int, int>> NG; ini.len = n; ini.cnt = 0; rep(i, n) cin >> ini.x[i] >> ini.y[i]; cin >> m; rep(i, m) { int f, s; cin >> f >> s; NG.insert(mp(f, s)); } cin >> dx >> dy; cout << bfs(ini, dx, dy, NG) << endl; } return false; }
// Tue Dec 22 22:01:34 JST 2009 #include <iostream> #include <queue> #include <set> using namespace std; #define REP(i, b, n) for (int i = b; i < n; i++) #define rep(i, n) REP(i, 0, n) #define mp make_pair int dx[] = {0, 1, 1, 0, -1, -1}; int dy[] = {-1, -1, 0, 1, 1, 0}; #define CONNECT true #define UNCONNECT false #define CANMOVE true #define CANNOTMOVE false class state { public: int len; int x[8], y[8]; int cnt; int path[8]; bool is_connected(int me, int you) { if (x[me] == x[you]) { if (y[me] - 1 == y[you] || y[me] + 1 == y[you] || y[me] == y[you]) return CONNECT; } else if (x[me] + 1 == x[you]) { if (y[me] == y[you] || y[me] - 1 == y[you]) return CONNECT; } else if (x[me] - 1 == x[you]) { if (y[me] == y[you] || y[me] + 1 == y[you]) return CONNECT; } return UNCONNECT; } bool can_good_pos(int cur) { rep(i, cur - 1) { if (is_connected(cur, i) == CONNECT) return false; // } if (cur == 0 || is_connected(cur, cur - 1) == CONNECT) return true; // return false; } void make_next(int now, queue<state> &Q, set<state> &S, bool flag, set<pair<int, int>> &NG) { if (now == len) { if (S.find((*this)) == S.end()) { cnt++; S.insert(*this); Q.push(*this); cnt--; } return; } // don't move if (can_good_pos(now)) { path[now] = -1; make_next(now + 1, Q, S, CANMOVE, NG); } if (flag == CANNOTMOVE) return; // rep(i, 6) { x[now] += dx[i]; y[now] += dy[i]; path[now] = i; if (NG.find(mp(x[now], y[now])) == NG.end() && can_good_pos(now)) { make_next(now + 1, Q, S, CANNOTMOVE, NG); // } x[now] -= dx[i]; y[now] -= dy[i]; } } bool operator<(const state &a) const { rep(i, len) { if (x[i] != a.x[i]) return x[i] < a.x[i]; if (y[i] != a.y[i]) return y[i] < a.y[i]; } return false; } }; int bfs(state ini, int dx, int dy, set<pair<int, int>> &NG) { queue<state> Q; set<state> S; Q.push(ini); S.insert(ini); while (!Q.empty()) { state now = Q.front(); Q.pop(); if (19 < now.cnt + (max(now.x[0], dx) - min(now.x[0], dy) + max(now.y[0], dy) - min(now.y[0], dy)) / 2) continue; if (now.x[0] == dx && now.y[0] == dy) { return now.cnt; } now.make_next(0, Q, S, CANMOVE, NG); } return 20; } main() { int n, m, dx, dy; while (cin >> n && n) { state ini; set<pair<int, int>> NG; ini.len = n; ini.cnt = 0; rep(i, n) cin >> ini.x[i] >> ini.y[i]; cin >> m; rep(i, m) { int f, s; cin >> f >> s; NG.insert(mp(f, s)); } cin >> dx >> dy; cout << bfs(ini, dx, dy, NG) << endl; } return false; }
[["-", 8, 9, 0, 57, 15, 339, 51, 16, 31, 13], ["+", 8, 9, 0, 57, 15, 339, 51, 16, 31, 13], ["+", 15, 339, 51, 16, 12, 16, 12, 16, 17, 85], ["+", 15, 339, 51, 16, 12, 16, 12, 16, 12, 13], ["-", 0, 30, 0, 14, 8, 9, 0, 37, 0, 13], ["+", 0, 30, 0, 14, 8, 9, 0, 37, 0, 13]]
1
952
import java.util.Scanner; public class Main { public static final long mod7 = 1000000007L; static int[][] map; static int sx, sy, ex, ey, h, w; static int[][] dir = {{0, 1}, {1, 0}, {0, -1}, {-1, 0}}; public static void main(String[] args) { Scanner sc = new Scanner(System.in); while (run(sc)) { } } static boolean run(Scanner sc) { w = sc.nextInt(); h = sc.nextInt(); if (w + h == 0) { return false; } map = new int[h][w]; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { int v = sc.nextInt(); if (v == 2) { sx = j; sy = i; map[i][j] = 0; } else if (v == 3) { ex = j; ey = i; map[i][j] = 3; } else { map[i][j] = v; } } } int res = rep(sx, sy, 10); if (res == Integer.MAX_VALUE) { System.out.println(-1); } else { System.out.println(res); } return true; } static int rep(int px, int py, int t) { if (t == 0) { return Integer.MAX_VALUE; } int m = Integer.MAX_VALUE; for (int di = 0; di < 4; di++) { int[] d = dir[di]; int nx = px; int ny = py; int by = -1; int bx = -1; boolean cant = false; for (int i = 0; i < 30; i++) { int ty = ny + d[1]; int tx = nx + d[0]; if (ty < 0 || ty >= h || tx < 0 || tx >= w) { break; } if (map[ty][tx] == 1) { if (i == 0) { cant = true; break; } by = ty; bx = tx; map[by][bx] = 0; break; } if (map[ty][tx] == 3) { return 10 - t + 1; } ny = ty; nx = tx; } if (cant) { continue; } m = Math.min(m, rep(nx, ny, t - 1)); if (bx != -1) { map[by][bx] = 1; } } return m; } }
import java.util.Scanner; public class Main { public static final long mod7 = 1000000007L; static int[][] map; static int sx, sy, ex, ey, h, w; static int[][] dir = {{0, 1}, {1, 0}, {0, -1}, {-1, 0}}; public static void main(String[] args) { Scanner sc = new Scanner(System.in); while (run(sc)) { } } static boolean run(Scanner sc) { w = sc.nextInt(); h = sc.nextInt(); if (w + h == 0) { return false; } map = new int[h][w]; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { int v = sc.nextInt(); if (v == 2) { sx = j; sy = i; map[i][j] = 0; } else if (v == 3) { ex = j; ey = i; map[i][j] = 3; } else { map[i][j] = v; } } } int res = rep(sx, sy, 10); if (res == Integer.MAX_VALUE) { System.out.println(-1); } else { System.out.println(res); } return true; } static int rep(int px, int py, int t) { if (t == 0) { return Integer.MAX_VALUE; } int m = Integer.MAX_VALUE; for (int di = 0; di < 4; di++) { int[] d = dir[di]; int nx = px; int ny = py; int by = -1; int bx = -1; boolean cant = false; for (int i = 0; i < 30; i++) { int ty = ny + d[1]; int tx = nx + d[0]; if (ty < 0 || ty >= h || tx < 0 || tx >= w) { cant = true; break; } if (map[ty][tx] == 1) { if (i == 0) { cant = true; break; } by = ty; bx = tx; map[by][bx] = 0; break; } if (map[ty][tx] == 3) { return 10 - t + 1; } ny = ty; nx = tx; } if (cant) { continue; } m = Math.min(m, rep(nx, ny, t - 1)); if (bx != -1) { map[by][bx] = 1; } } return m; } }
[["+", 0, 57, 64, 196, 0, 1, 0, 11, 31, 22], ["+", 0, 57, 64, 196, 0, 1, 0, 11, 17, 32], ["+", 0, 57, 64, 196, 0, 1, 0, 11, 12, 146], ["+", 8, 196, 0, 57, 64, 196, 0, 1, 0, 35]]
3
586
#include <algorithm> #include <cmath> #include <cstdio> #include <cstdlib> #include <ctime> #include <functional> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <vector> using namespace std; int w, h; int sx, sy; int res; int table[30][30]; int dx[] = {0, 1, 0, -1}; int dy[] = {-1, 0, 1, 0}; void dfs(int x, int y, int cnt) { if (cnt >= res) return; for (int dir = 0; dir < 4; dir++) { int nx = x + dx[dir], ny = y + dy[dir]; if (nx < 0 || w <= nx || ny < 0 || h <= ny) continue; else if (table[ny][nx] == 1) continue; else if (table[ny][nx] == 3) { res = cnt; return; } while (true) { nx += dx[dir]; ny += dy[dir]; if (nx < 0 || w <= nx || ny < 0 || h <= ny) break; else if (table[ny][nx] == 1) { table[ny][nx] = 0; dfs(nx - dx[dir], ny - dy[dir], cnt + 1); table[ny][nx] = 1; break; } else if (table[ny][nx] == 3) { res = cnt; return; } } } } int main() { while (cin >> w >> h, w) { for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> table[i][j]; if (table[i][j] == 2) { sx = j; sy = i; } } } res = 10; dfs(sx, sy, 1); if (res > 10) res = -1; cout << res << endl; } return 0; }
#include <algorithm> #include <cmath> #include <cstdio> #include <cstdlib> #include <ctime> #include <functional> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <vector> using namespace std; int w, h; int sx, sy; int res; int table[30][30]; int dx[] = {0, 1, 0, -1}; int dy[] = {-1, 0, 1, 0}; void dfs(int x, int y, int cnt) { if (cnt >= res) return; for (int dir = 0; dir < 4; dir++) { int nx = x + dx[dir], ny = y + dy[dir]; if (nx < 0 || w <= nx || ny < 0 || h <= ny) continue; else if (table[ny][nx] == 1) continue; else if (table[ny][nx] == 3) { res = cnt; return; } while (true) { nx += dx[dir]; ny += dy[dir]; if (nx < 0 || w <= nx || ny < 0 || h <= ny) break; else if (table[ny][nx] == 1) { table[ny][nx] = 0; dfs(nx - dx[dir], ny - dy[dir], cnt + 1); table[ny][nx] = 1; break; } else if (table[ny][nx] == 3) { res = cnt; return; } } } } int main() { while (cin >> w >> h, w) { for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> table[i][j]; if (table[i][j] == 2) { sx = j; sy = i; } } } res = 11; dfs(sx, sy, 1); if (res > 10) res = -1; cout << res << endl; } return 0; }
[["-", 0, 52, 8, 9, 0, 1, 0, 11, 12, 13], ["+", 0, 52, 8, 9, 0, 1, 0, 11, 12, 13]]
1
430
using namespace std; #include <algorithm> #include <bitset> #include <cassert> #include <cctype> #include <climits> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> #define INF INT_MAX / 3 #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define DECFOR(i, a, b) for (int i = (a); i > (b); --i) #define REP(i, n) FOR(i, 0, n) #define dump(x) cerr << #x << " = " << (x) << endl; #define debug(x) \ cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" \ << " " << __FILE__ << endl; #define MAX_W 20 #define MAX_H 20 #define MOVING_LIMIT 10 #define NORTH 1 #define EAST 2 #define SOUTH 3 #define WEST 4 enum CellState { EMPTY, OBSTACLE, START, STOP }; struct Position { int x; int y; }; struct GameState { int width; int height; CellState field[MAX_H][MAX_W]; Position pos; int dir; }; struct Moving { Position begin; Position end; int dir; }; int load(GameState *state) { int w, h; scanf("%d %d", &w, &h); if (w == 0 && h == 0) return 0; state->width = w; state->height = h; REP(i, h) REP(j, w) { scanf("%d", &(state->field[i][j])); if (state->field[i][j] == START) { state->pos.x = j; state->pos.y = i; } } return 1; } int move(Moving *mv, GameState *state) { mv->begin = state->pos; mv->dir = state->dir; switch (state->dir) { case NORTH: if (state->field[state->pos.y + 1][state->pos.x] == OBSTACLE) { return 0; } FOR(i, state->pos.y, state->height) { if (state->field[i][state->pos.x] == STOP) { state->pos.y = i; return 2; } if (state->field[i][state->pos.x] == OBSTACLE) { state->field[i][state->pos.x] = EMPTY; state->pos.y = i - 1; mv->end.x = state->pos.x; mv->end.y = i; return 1; } } return 0; case EAST: if (state->field[state->pos.y][state->pos.x + 1] == OBSTACLE) { return 0; } FOR(j, state->pos.x, state->width) { if (state->field[state->pos.y][j] == STOP) { state->pos.x = j; mv->end.x = j; mv->end.y = state->pos.y; return 2; } if (state->field[state->pos.y][j] == OBSTACLE) { state->field[state->pos.y][j] = EMPTY; state->pos.x = j - 1; mv->end.x = j; mv->end.y = state->pos.y; return 1; } } return 0; case SOUTH: if (state->field[state->pos.y - 1][state->pos.x] == OBSTACLE) { return 0; } DECFOR(i, state->pos.y, -1) { if (state->field[i][state->pos.x] == STOP) { state->pos.y = i; mv->end.x = state->pos.x; mv->end.y = i; return 2; } if (state->field[i][state->pos.x] == OBSTACLE) { state->field[i][state->pos.x] = EMPTY; state->pos.y = i + 1; mv->end.x = state->pos.x; mv->end.y = i; return 1; } } return 0; case WEST: if (state->field[state->pos.y][state->pos.x - 1] == OBSTACLE) { return 0; } DECFOR(j, state->pos.x, -1) { if (state->field[state->pos.y][j] == STOP) { state->pos.x = j; return 2; } if (state->field[state->pos.y][j] == OBSTACLE) { state->field[state->pos.y][j] = EMPTY; state->pos.x = j + 1; mv->end.x = j; mv->end.y = state->pos.y; return 1; } } return 0; default: return -1; } } int rotate(GameState *state) { state->dir = (state->dir + 1) % 5; return state->dir; } void revert_move(Moving *mv, GameState *state) { state->pos = mv->begin; state->dir = mv->dir; state->field[mv->end.y][mv->end.x] = OBSTACLE; } int solve(GameState *state) { Moving stack[MOVING_LIMIT]; int count = 0; int ret = MOVING_LIMIT; state->dir = NORTH; while (1) { switch (move(&stack[count], state)) { case 0: rotate(state); break; case 1: if (count + 1 == MOVING_LIMIT) { revert_move(&stack[count], state); rotate(state); } else { ++count; state->dir = NORTH; } break; case 2: ret = min(ret, count); --count; if (count < 0) break; revert_move(&stack[count], state); rotate(state); break; default: --count; if (count < 0) break; revert_move(&stack[count], state); rotate(state); break; } if (count < 0) break; } if (ret == MOVING_LIMIT) return -1; return ret + 1; } int main() { GameState state; while (load(&state)) { printf("%d\n\n", solve(&state)); } return 0; }
using namespace std; #include <algorithm> #include <bitset> #include <cassert> #include <cctype> #include <climits> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> #define INF INT_MAX / 3 #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define DECFOR(i, a, b) for (int i = (a); i > (b); --i) #define REP(i, n) FOR(i, 0, n) #define dump(x) cerr << #x << " = " << (x) << endl; #define debug(x) \ cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" \ << " " << __FILE__ << endl; #define MAX_W 20 #define MAX_H 20 #define MOVING_LIMIT 10 #define NORTH 1 #define EAST 2 #define SOUTH 3 #define WEST 4 enum CellState { EMPTY, OBSTACLE, START, STOP }; struct Position { int x; int y; }; struct GameState { int width; int height; CellState field[MAX_H][MAX_W]; Position pos; int dir; }; struct Moving { Position begin; Position end; int dir; }; int load(GameState *state) { int w, h; scanf("%d %d", &w, &h); if (w == 0 && h == 0) return 0; state->width = w; state->height = h; REP(i, h) REP(j, w) { scanf("%d", &(state->field[i][j])); if (state->field[i][j] == START) { state->pos.x = j; state->pos.y = i; } } return 1; } int move(Moving *mv, GameState *state) { mv->begin = state->pos; mv->dir = state->dir; switch (state->dir) { case NORTH: if (state->field[state->pos.y + 1][state->pos.x] == OBSTACLE) { return 0; } FOR(i, state->pos.y, state->height) { if (state->field[i][state->pos.x] == STOP) { state->pos.y = i; return 2; } if (state->field[i][state->pos.x] == OBSTACLE) { state->field[i][state->pos.x] = EMPTY; state->pos.y = i - 1; mv->end.x = state->pos.x; mv->end.y = i; return 1; } } return 0; case EAST: if (state->field[state->pos.y][state->pos.x + 1] == OBSTACLE) { return 0; } FOR(j, state->pos.x, state->width) { if (state->field[state->pos.y][j] == STOP) { state->pos.x = j; mv->end.x = j; mv->end.y = state->pos.y; return 2; } if (state->field[state->pos.y][j] == OBSTACLE) { state->field[state->pos.y][j] = EMPTY; state->pos.x = j - 1; mv->end.x = j; mv->end.y = state->pos.y; return 1; } } return 0; case SOUTH: if (state->field[state->pos.y - 1][state->pos.x] == OBSTACLE) { return 0; } DECFOR(i, state->pos.y, -1) { if (state->field[i][state->pos.x] == STOP) { state->pos.y = i; mv->end.x = state->pos.x; mv->end.y = i; return 2; } if (state->field[i][state->pos.x] == OBSTACLE) { state->field[i][state->pos.x] = EMPTY; state->pos.y = i + 1; mv->end.x = state->pos.x; mv->end.y = i; return 1; } } return 0; case WEST: if (state->field[state->pos.y][state->pos.x - 1] == OBSTACLE) { return 0; } DECFOR(j, state->pos.x, -1) { if (state->field[state->pos.y][j] == STOP) { state->pos.x = j; return 2; } if (state->field[state->pos.y][j] == OBSTACLE) { state->field[state->pos.y][j] = EMPTY; state->pos.x = j + 1; mv->end.x = j; mv->end.y = state->pos.y; return 1; } } return 0; default: return -1; } } int rotate(GameState *state) { state->dir = (state->dir + 1) % 5; return state->dir; } void revert_move(Moving *mv, GameState *state) { state->pos = mv->begin; state->dir = mv->dir; state->field[mv->end.y][mv->end.x] = OBSTACLE; } int solve(GameState *state) { Moving stack[MOVING_LIMIT]; int count = 0; int ret = MOVING_LIMIT; state->dir = NORTH; while (1) { switch (move(&stack[count], state)) { case 0: rotate(state); break; case 1: if (count + 1 == MOVING_LIMIT) { revert_move(&stack[count], state); rotate(state); } else { ++count; state->dir = NORTH; } break; case 2: ret = min(ret, count); --count; if (count < 0) break; revert_move(&stack[count], state); rotate(state); break; default: --count; if (count < 0) break; revert_move(&stack[count], state); rotate(state); break; } if (count < 0) break; } if (ret == MOVING_LIMIT) return -1; return ret + 1; } int main() { GameState state; while (load(&state)) { printf("%d\n", solve(&state)); } return 0; }
[["-", 0, 1, 0, 2, 3, 4, 0, 5, 0, 44]]
1
1,299
#include <algorithm> #include <iostream> using namespace std; int w, h; int G[100][100]; int sx, sy; int dx[] = {1, -1, 0, 0}, dy[] = {0, 0, -1, 1}; int ans; void dfs(int px, int py, int cnt) { if (cnt > 10) return; for (int i = 0; i < 4; i++) { int nx = px + dx[i], ny = py + dy[i]; if (!(0 <= nx && nx < w && 0 <= ny && ny < h && G[ny][nx] != 1)) continue; while (1) { if (G[ny][nx] == 3) { ans = cnt; } nx += dx[i], ny += dy[i]; if (!(0 <= nx && nx < w && 0 <= ny && ny < h)) break; if (G[ny][nx] == 1) { G[ny][nx] = 0; dfs(nx - dx[i], ny - dy[i], cnt + 1); G[ny][nx] = 1; break; } } } } int main() { while (cin >> w >> h, w + h) { for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> G[i][j]; if (G[i][j] == 2) { sx = j; sy = i; } } } ans = 11; dfs(sx, sy, 1); cout << (ans > 10 ? -1 : ans) << endl; } }
#include <algorithm> #include <iostream> using namespace std; int w, h; int G[100][100]; int sx, sy; int dx[] = {1, -1, 0, 0}, dy[] = {0, 0, -1, 1}; int ans; void dfs(int px, int py, int cnt) { if (cnt > 10) return; for (int i = 0; i < 4; i++) { int nx = px + dx[i], ny = py + dy[i]; if (!(0 <= nx && nx < w && 0 <= ny && ny < h && G[ny][nx] != 1)) continue; while (1) { if (G[ny][nx] == 3) { ans = min(cnt, ans); } nx += dx[i], ny += dy[i]; if (!(0 <= nx && nx < w && 0 <= ny && ny < h)) break; if (G[ny][nx] == 1) { G[ny][nx] = 0; dfs(nx - dx[i], ny - dy[i], cnt + 1); G[ny][nx] = 1; break; } } } } int main() { while (cin >> w >> h, w + h) { for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { cin >> G[i][j]; if (G[i][j] == 2) { sx = j; sy = i; } } } ans = 11; dfs(sx, sy, 1); cout << (ans > 10 ? -1 : ans) << endl; } }
[["+", 64, 9, 0, 1, 0, 11, 12, 2, 63, 22], ["+", 0, 1, 0, 11, 12, 2, 3, 4, 0, 24], ["+", 0, 1, 0, 11, 12, 2, 3, 4, 0, 21], ["+", 0, 1, 0, 11, 12, 2, 3, 4, 0, 22], ["+", 0, 1, 0, 11, 12, 2, 3, 4, 0, 25]]
1
378
#include <math.h> #include <stdio.h> void main() { int x[200], y[200]; int i, N, ni, di; int xMax, yMax, xMin, yMin; x[0] = y[0] = 0; while (1) { xMax = yMax = xMin = xMax = 0; scanf("%d", &N); if (N == 0) break; for (i = 1; i < N; i++) { scanf("%d%d", &ni, &di); x[i] = x[ni] - (int)(cos((90 * di) * M_PI / 180)); y[i] = y[ni] - (int)(sin((90 * di) * M_PI / 180)); } for (i = 0; i < N; i++) { if (xMax < x[i]) { xMax = x[i]; } else if (xMin > x[i]) { xMin = x[i]; } if (yMax < y[i]) { yMax = y[i]; } else if (yMin > y[i]) { yMin = y[i]; } } printf("%d %d\n", xMax - xMin + 1, yMax - yMin + 1); } }
#include <math.h> #include <stdio.h> void main() { int x[200], y[200]; int i, N, ni, di; int xMax, yMax, xMin, yMin; x[0] = y[0] = 0; while (1) { xMax = yMax = xMin = yMin = 0; scanf("%d", &N); if (N == 0) break; for (i = 1; i < N; i++) { scanf("%d%d", &ni, &di); x[i] = x[ni] - (int)(cos((90 * di) * M_PI / 180)); y[i] = y[ni] - (int)(sin((90 * di) * M_PI / 180)); } for (i = 0; i < N; i++) { if (xMax < x[i]) { xMax = x[i]; } else if (xMin > x[i]) { xMin = x[i]; } if (yMax < y[i]) { yMax = y[i]; } else if (yMin > y[i]) { yMin = y[i]; } } printf("%d %d\n", xMax - xMin + 1, yMax - yMin + 1); } }
[["-", 0, 11, 12, 11, 12, 11, 12, 11, 31, 22], ["+", 0, 11, 12, 11, 12, 11, 12, 11, 31, 22]]
0
278
#include <algorithm> #include <cmath> #include <iostream> #include <vector> using namespace std; class rectangle { private: int name, x, y; public: rectangle(int name, int x, int y) : name(name), x(x), y(y) {} int getX() { return x; } int getY() { return y; } }; int main() { int N; int n, d; int x, y; int maxX = 0, minX = 0, maxY = 0, minY = 0; int width = 1, height = 1; vector<rectangle> recs; while ((cin >> N) && (N != 0)) { recs.push_back(rectangle(0, 0, 0)); // 0 into recs at (0,0) if (N != 1) { for (int i = 1; i < N; i++) { cin >> n >> d; x = recs[n].getX(); y = recs[n].getY(); if (d == 0) { recs.push_back(rectangle(i, x - 1, y)); minX = min(maxX, x - 1); } else if (d == 1) { recs.push_back(rectangle(i, x, y - 1)); minY = min(minY, y - 1); } else if (d == 2) { recs.push_back(rectangle(i, x + 1, y)); maxX = max(maxX, x + 1); } else if (d == 3) { recs.push_back(rectangle(i, x, y + 1)); maxY = max(maxY, y + 1); } } width = maxX + abs(minX) + width; height = maxY + abs(minY) + height; } cout << width << " " << height << endl; recs.clear(); maxX = 0; minX = 0; maxY = 0; minY = 0; width = 1; height = 1; } }
#include <algorithm> #include <cmath> #include <iostream> #include <vector> using namespace std; class rectangle { private: int name, x, y; public: rectangle(int name, int x, int y) : name(name), x(x), y(y) {} int getX() { return x; } int getY() { return y; } }; int main() { int N; int n, d; int x, y; int maxX = 0, minX = 0, maxY = 0, minY = 0; int width = 1, height = 1; vector<rectangle> recs; while ((cin >> N) && (N != 0)) { recs.push_back(rectangle(0, 0, 0)); // 0 into recs at (0,0) if (N != 1) { for (int i = 1; i < N; i++) { cin >> n >> d; x = recs[n].getX(); y = recs[n].getY(); if (d == 0) { recs.push_back(rectangle(i, x - 1, y)); minX = min(minX, x - 1); } else if (d == 1) { recs.push_back(rectangle(i, x, y - 1)); minY = min(minY, y - 1); } else if (d == 2) { recs.push_back(rectangle(i, x + 1, y)); maxX = max(maxX, x + 1); } else if (d == 3) { recs.push_back(rectangle(i, x, y + 1)); maxY = max(maxY, y + 1); } } width = maxX + abs(minX) + width; height = maxY + abs(minY) + height; } cout << width << " " << height << endl; recs.clear(); maxX = 0; minX = 0; maxY = 0; minY = 0; width = 1; height = 1; } return 0; }
[["-", 0, 1, 0, 11, 12, 2, 3, 4, 0, 22], ["+", 0, 1, 0, 11, 12, 2, 3, 4, 0, 22], ["+", 0, 30, 0, 14, 8, 9, 0, 37, 0, 38], ["+", 0, 30, 0, 14, 8, 9, 0, 37, 0, 13], ["+", 0, 30, 0, 14, 8, 9, 0, 37, 0, 35]]
1
415
#include <algorithm> #include <iostream> #include <utility> using namespace std; typedef pair<int, int> P; int main() { int n; while (cin >> n) { P a[300]; a[0] = P(0, 0); for (int i = 1; i < n; i++) { int m, d; cin >> m >> d; if (d == 0) { a[i] = P(a[m].first - 1, a[m].second); } else if (d == 1) { a[i] = P(a[m].first, a[m].second - 1); } else if (d == 2) { a[i] = P(a[m].first + 1, a[m].second); } else { a[i] = P(a[m].first, a[m].second + 1); } } int xm = 1e-8, xs = 1e8, ym = 1e-8, ys = 18; for (int i = 0; i < n; i++) { xm = max(a[i].first, xm); xs = min(xs, a[i].first); ym = max(a[i].second, ym); ys = min(a[i].second, ys); } cout << xm - xs + 1 << ' ' << ym - ys + 1 << endl; } return 0; }
#include <algorithm> #include <iostream> #include <utility> using namespace std; typedef pair<int, int> P; int main() { int n; while (cin >> n, n) { P a[300]; a[0] = P(0, 0); for (int i = 1; i < n; i++) { int m, d; cin >> m >> d; if (d == 0) { a[i] = P(a[m].first - 1, a[m].second); } else if (d == 1) { a[i] = P(a[m].first, a[m].second - 1); } else if (d == 2) { a[i] = P(a[m].first + 1, a[m].second); } else { a[i] = P(a[m].first, a[m].second + 1); } } int xm = 1e-8, xs = 1e8, ym = 1e-8, ys = 18; for (int i = 0; i < n; i++) { xm = max(a[i].first, xm); xs = min(xs, a[i].first); ym = max(a[i].second, ym); ys = min(a[i].second, ys); } cout << xm - xs + 1 << ' ' << ym - ys + 1 << endl; } return 0; }
[["+", 8, 9, 0, 52, 15, 339, 51, 34, 0, 21], ["+", 8, 9, 0, 52, 15, 339, 51, 34, 12, 22]]
1
318
#include <algorithm> #include <iostream> #include <map> #include <math.h> #include <numeric> #include <stack> #include <string> #include <vector> using namespace std; int N; int main() { while (cin >> N, N) { vector<pair<int, int>> vp; vp.push_back({0, 0}); for (int i = 1; i < N; ++i) { int n, d; cin >> n >> d; int x, y; if (d == 0) { x = vp[n].first - 1; y = vp[n].second; } else if (d == 1) { x = vp[n].first; y = vp[n].second - 1; } else if (d == 2) { x = vp[n].first + 1; y = vp[n].second; } else if (d == 3) { x = vp[n].first; y = vp[n].second + 1; } vp.push_back({x, y}); } int ansxu = 0, ansxd = 0, ansyl = 0, ansyr = 0; for (int i = 0; i < vp.size(); ++i) { ansxu = max(ansxu, vp[i].first); if (vp[i].first < 0) { ansxd = min(ansxd, vp[i].first); } ansyr = max(ansyr, vp[i].second); if (vp[i].second < 0) { ansyl = min(ansxd, vp[i].second); } // cout << vp[i].first << " " << vp[i].second << endl; } cout << ansxu - ansxd + 1 << " " << -ansyl + ansyr + 1 << endl; } return 0; }
#include <algorithm> #include <iostream> #include <map> #include <math.h> #include <numeric> #include <stack> #include <string> #include <vector> using namespace std; int N; int main() { while (cin >> N, N) { vector<pair<int, int>> vp; vp.push_back({0, 0}); for (int i = 1; i < N; ++i) { int n, d; cin >> n >> d; int x, y; if (d == 0) { x = vp[n].first - 1; y = vp[n].second; } else if (d == 1) { x = vp[n].first; y = vp[n].second - 1; } else if (d == 2) { x = vp[n].first + 1; y = vp[n].second; } else if (d == 3) { x = vp[n].first; y = vp[n].second + 1; } vp.push_back({x, y}); } int ansxu = 0, ansxd = 0, ansyl = 0, ansyr = 0; for (int i = 0; i < vp.size(); ++i) { ansxu = max(ansxu, vp[i].first); if (vp[i].first < 0) { ansxd = min(ansxd, vp[i].first); } ansyr = max(ansyr, vp[i].second); if (vp[i].second < 0) { ansyl = min(ansyl, vp[i].second); } } cout << ansxu - ansxd + 1 << " " << -ansyl + ansyr + 1 << endl; } return 0; }
[["-", 0, 1, 0, 11, 12, 2, 3, 4, 0, 22], ["+", 0, 1, 0, 11, 12, 2, 3, 4, 0, 22]]
1
363
#include <algorithm> #include <iostream> #include <string> #include <vector> using namespace std; int n; struct PLACE { int r; int l; int u; int d; }; void solve() { PLACE place[n + 1]; int target, cmd; // 0を基準としそれよりもどのくらい離れているか int maxR = 0; int maxL = 0; int maxU = 0; int maxD = 0; place[0].l = 0; place[0].r = 0; place[0].u = 0; place[0].d = 0; for (int i = 1; i < n; i++) { cin >> target >> cmd; switch (cmd) { case 0: // Left place[i].l = place[target].l + 1; place[i].r = place[target].r - 1; place[i].u = place[target].u; place[i].d = place[target].d; maxL = max(place[i].l, maxL); break; case 1: // Down place[i].l = place[target].l; place[i].r = place[target].r; place[i].u = place[target].u - 1; place[i].d = place[target].d + 1; maxD = max(place[i].d, maxD); break; case 2: // Right place[i].l = place[target].l - 1; place[i].r = place[target].r = 1; place[i].u = place[target].u; place[i].d = place[target].d; maxR = max(place[i].r, maxR); break; case 3: // Up place[i].u = place[target].u + 1; place[i].l = place[target].l; place[i].r = place[target].r; place[i].d = place[target].d; maxU = max(place[i].u, maxU); break; } } int Hight = maxU + maxD + 1; int Width = maxR + maxL + 1; cout << Width << " " << Hight << endl; } int main() { while (true) { cin >> n; if (n == 0) break; solve(); } return 0; }
#include <algorithm> #include <iostream> #include <string> #include <vector> using namespace std; int n; struct PLACE { int r; int l; int u; int d; }; void solve() { PLACE place[n + 1]; int target, cmd; // 0を基準としそれよりもどのくらい離れているか int maxR = 0; int maxL = 0; int maxU = 0; int maxD = 0; place[0].l = 0; place[0].r = 0; place[0].u = 0; place[0].d = 0; for (int i = 1; i < n; i++) { cin >> target >> cmd; switch (cmd) { case 0: // Left place[i].l = place[target].l + 1; place[i].r = place[target].r - 1; place[i].u = place[target].u; place[i].d = place[target].d; maxL = max(place[i].l, maxL); break; case 1: // Down place[i].l = place[target].l; place[i].r = place[target].r; place[i].u = place[target].u - 1; place[i].d = place[target].d + 1; maxD = max(place[i].d, maxD); break; case 2: // Right place[i].l = place[target].l - 1; place[i].r = place[target].r + 1; place[i].u = place[target].u; place[i].d = place[target].d; maxR = max(place[i].r, maxR); break; case 3: // Up place[i].u = place[target].u + 1; place[i].l = place[target].l; place[i].r = place[target].r; place[i].d = place[target].d - 1; maxU = max(place[i].u, maxU); break; } } int Hight = maxU + maxD + 1; int Width = maxR + maxL + 1; cout << Width << " " << Hight << endl; } int main() { while (true) { cin >> n; if (n == 0) break; solve(); } return 0; }
[["-", 0, 100, 0, 1, 0, 11, 12, 11, 17, 32], ["+", 0, 100, 0, 1, 0, 11, 12, 16, 17, 72], ["+", 0, 100, 0, 1, 0, 11, 12, 16, 17, 33], ["+", 0, 100, 0, 1, 0, 11, 12, 16, 12, 13]]
1
515
#include <iostream> #include <vector> using namespace std; struct pos { int x; int y; }; int main() { int n, n1, d1; int left, right, up, down; pos setpos; vector<pos> position; vector<pos>::iterator posit; while (1) { cin >> n; if (n == 0) break; //初期化 left = 0; right = 0; up = 0; down = 0; setpos.x = 0; setpos.y = 0; position.push_back(setpos); //入力 for (int i = 1; i < n; i++) { cin >> n1 >> d1; posit = position.begin() + n1; if (d1 == 0) { setpos.x = (*posit).x - 1; setpos.y = (*posit).y; if (setpos.x < left) left = setpos.x; position.push_back(setpos); } else if (d1 == 1) { setpos.x = (*posit).x; setpos.y = (*posit).y - 1; if (setpos.y < down) down = setpos.y; position.push_back(setpos); } else if (d1 == 2) { setpos.x = (*posit).x + 1; setpos.y = (*posit).y; if (right < setpos.x) right = setpos.x; position.push_back(setpos); } else { setpos.x = (*posit).x; setpos.y = (*posit).y + 1; if (up < setpos.y) up = setpos.y; position.push_back(setpos); } } //表示 int maxwidth, maxheight; left *= -1; down *= -1; maxwidth = left + right + 1; maxheight = up + down + 1; cout << maxwidth << " " << maxheight << endl; } return 0; }
#include <iostream> #include <vector> using namespace std; struct pos { int x; int y; }; int main() { int n, n1, d1; int left, right, up, down; pos setpos; vector<pos> position; vector<pos>::iterator posit; while (1) { cin >> n; if (n == 0) break; //初期化 left = 0; right = 0; up = 0; down = 0; setpos.x = 0; setpos.y = 0; position.clear(); position.push_back(setpos); //入力 for (int i = 1; i < n; i++) { cin >> n1 >> d1; posit = position.begin() + n1; if (d1 == 0) { setpos.x = (*posit).x - 1; setpos.y = (*posit).y; if (setpos.x < left) left = setpos.x; position.push_back(setpos); } else if (d1 == 1) { setpos.x = (*posit).x; setpos.y = (*posit).y - 1; if (setpos.y < down) down = setpos.y; position.push_back(setpos); } else if (d1 == 2) { setpos.x = (*posit).x + 1; setpos.y = (*posit).y; if (right < setpos.x) right = setpos.x; position.push_back(setpos); } else { setpos.x = (*posit).x; setpos.y = (*posit).y + 1; if (up < setpos.y) up = setpos.y; position.push_back(setpos); } } //表示 int maxwidth, maxheight; left *= -1; down *= -1; maxwidth = left + right + 1; maxheight = up + down + 1; cout << maxwidth << " " << maxheight << endl; } return 0; }
[["+", 8, 9, 0, 1, 0, 2, 63, 118, 119, 120], ["+", 8, 9, 0, 1, 0, 2, 3, 4, 0, 24], ["+", 8, 9, 0, 1, 0, 2, 3, 4, 0, 25], ["+", 8, 9, 0, 52, 8, 9, 0, 1, 0, 35], ["+", 8, 9, 0, 1, 0, 2, 63, 118, 28, 22], ["+", 8, 9, 0, 1, 0, 2, 63, 118, 17, 131]]
1
399
dx,dy = [-1,0,1,0],[0,-1,0,1] while True: N = eval(input()) if N == 0: break x,y = [0]*N,[0]*N for i in range(N-1): n,d = list(map(int,input().split())) x[i] = x[n] + dx[d] y[i] = y[n] + dy[d] print(max(x) - min(x) + 1, max(y) - min(y) + 1)
dx,dy = [-1,0,1,0],[0,-1,0,1] while True: N = eval(input()) if N == 0: break x,y = [0]*N,[0]*N for i in range(1,N): n,d = list(map(int,input().split())) x[i] = x[n] + dx[d] y[i] = y[n] + dy[d] print(max(x) - min(x) + 1, max(y) - min(y) + 1)
[["-", 0, 7, 12, 652, 3, 4, 0, 657, 31, 22], ["-", 0, 7, 12, 652, 3, 4, 0, 657, 17, 33], ["+", 8, 196, 0, 7, 12, 652, 3, 4, 0, 21], ["+", 8, 196, 0, 7, 12, 652, 3, 4, 0, 22]]
5
140
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.InputMismatchException; import java.util.NoSuchElementException; public class Main { static PrintWriter out; static InputReader ir; static void solve() { for (;;) { int w = ir.nextInt(); int h = ir.nextInt(); if (w == 0 && h == 0) return; G g = new G(w * h, true); for (int i = 0; i < 2 * h - 1; i++) { int row = i / 2; if (i % 2 == 0) { int[] a = ir.nextIntArray(w - 1); for (int j = 0; j < w - 1; j++) { if (a[j] == 0) { g.addEdge(w * row + j, w * row + j + 1, 1); } } } else { int[] a = ir.nextIntArray(w); for (int j = 0; j < w; j++) { if (a[j] == 0) { g.addEdge(w * row + j, w * (row + 1) + j, 1); } } } } int[] d = g.dijkstra(0); out.println((d[w * h - 1] >= 1 << 26) ? 0 : d[w * h - 1]); } } static class G { AL[] g, rg; private int V; private boolean ndir; public G(int V, boolean ndir) { this.V = V; this.ndir = ndir; g = new AL[V]; for (int i = 0; i < V; i++) g[i] = new AL(); } public void addEdge(int u, int v, int t) { g[u].add(new int[] {v, t}); if (this.ndir) g[v].add(new int[] {u, t}); } public void addEdge(int u, int v) { addEdge(u, v, 0); } public int to(int from, int ind) { return g[from].get(ind)[0]; } public int cost(int from, int ind) { return g[from].get(ind)[1]; } public int size(int from) { return g[from].size(); } public int[] dijkstra(int s) { int[] dist = new int[this.V]; java.util.PriorityQueue<int[]> pque = new java.util.PriorityQueue<int[]>(11, new Comparator<int[]>() { public int compare(int[] a, int[] b) { return Integer.compare(a[0], b[0]); } }); Arrays.fill(dist, 1 << 26); dist[s] = 0; pque.offer(new int[] {0, s}); while (!pque.isEmpty()) { int[] p = pque.poll(); int v = p[1]; if (dist[v] < p[0]) continue; for (int i = 0; i < g[v].size(); i++) { int to = to(v, i), cost = cost(v, i); if (dist[to] > dist[v] + cost) { dist[to] = dist[v] + cost; pque.offer(new int[] {dist[to], to}); } } } return dist; } public int[] tporder() { boolean[] vis = new boolean[V]; ArrayList<Integer> ord = new ArrayList<>(); for (int i = 0; i < V; i++) if (!vis[i]) ts(i, vis, ord); int[] ret = new int[V]; for (int i = ord.size() - 1; i >= 0; i--) ret[ord.size() - 1 - i] = ord.get(i); return ret; } public int[] scc() { rg = new AL[V]; for (int i = 0; i < V; i++) rg[i] = new AL(); int from, to; for (int i = 0; i < V; i++) { for (int j = 0; j < g[i].size(); j++) { to = i; from = to(i, j); rg[from].add(new int[] {to, 0}); } } int[] ord = tporder(); int k = 0; boolean[] vis = new boolean[V]; int[] ret = new int[V + 1]; for (int i = 0; i < V; i++) if (!vis[i]) rs(ord[i], vis, ret, k++); ret[V] = k; return ret; } private void ts(int now, boolean[] vis, ArrayList<Integer> ord) { vis[now] = true; int to; for (int i = 0; i < g[now].size(); i++) { to = to(now, i); if (!vis[to]) ts(to, vis, ord); } ord.add(now); } private void rs(int now, boolean[] vis, int[] ret, int k) { vis[now] = true; ret[now] = k; int to; for (int i = 0; i < rg[now].size(); i++) { to = rg[now].get(i)[0]; if (!vis[to]) rs(to, vis, ret, k); } } static class AL extends ArrayList<int[]> {}; } public static void main(String[] args) throws Exception { ir = new InputReader(System.in); out = new PrintWriter(System.out); solve(); out.flush(); } static class InputReader { private InputStream in; private byte[] buffer = new byte[1024]; private int curbuf; private int lenbuf; public InputReader(InputStream in) { this.in = in; this.curbuf = this.lenbuf = 0; } public boolean hasNextByte() { if (curbuf >= lenbuf) { curbuf = 0; try { lenbuf = in.read(buffer); } catch (IOException e) { throw new InputMismatchException(); } if (lenbuf <= 0) return false; } return true; } private int readByte() { if (hasNextByte()) return buffer[curbuf++]; else return -1; } private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private void skip() { while (hasNextByte() && isSpaceChar(buffer[curbuf])) curbuf++; } public boolean hasNext() { skip(); return hasNextByte(); } public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while (!isSpaceChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public int nextInt() { if (!hasNext()) throw new NoSuchElementException(); int c = readByte(); while (isSpaceChar(c)) c = readByte(); boolean minus = false; if (c == '-') { minus = true; c = readByte(); } int res = 0; do { if (c < '0' || c > '9') throw new InputMismatchException(); res = res * 10 + c - '0'; c = readByte(); } while (!isSpaceChar(c)); return (minus) ? -res : res; } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); int c = readByte(); while (isSpaceChar(c)) c = readByte(); boolean minus = false; if (c == '-') { minus = true; c = readByte(); } long res = 0; do { if (c < '0' || c > '9') throw new InputMismatchException(); res = res * 10 + c - '0'; c = readByte(); } while (!isSpaceChar(c)); return (minus) ? -res : res; } public double nextDouble() { return Double.parseDouble(next()); } public int[] nextIntArray(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = nextInt(); return a; } public long[] nextLongArray(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nextLong(); return a; } public char[][] nextCharMap(int n, int m) { char[][] map = new char[n][m]; for (int i = 0; i < n; i++) map[i] = next().toCharArray(); return map; } } }
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.InputMismatchException; import java.util.NoSuchElementException; public class Main { static PrintWriter out; static InputReader ir; static void solve() { for (;;) { int w = ir.nextInt(); int h = ir.nextInt(); if (w == 0 && h == 0) return; G g = new G(w * h, true); for (int i = 0; i < 2 * h - 1; i++) { int row = i / 2; if (i % 2 == 0) { int[] a = ir.nextIntArray(w - 1); for (int j = 0; j < w - 1; j++) { if (a[j] == 0) { g.addEdge(w * row + j, w * row + j + 1, 1); } } } else { int[] a = ir.nextIntArray(w); for (int j = 0; j < w; j++) { if (a[j] == 0) { g.addEdge(w * row + j, w * (row + 1) + j, 1); } } } } int[] d = g.dijkstra(0); out.println((d[w * h - 1] >= 1 << 26) ? 0 : d[w * h - 1] + 1); } } static class G { AL[] g, rg; private int V; private boolean ndir; public G(int V, boolean ndir) { this.V = V; this.ndir = ndir; g = new AL[V]; for (int i = 0; i < V; i++) g[i] = new AL(); } public void addEdge(int u, int v, int t) { g[u].add(new int[] {v, t}); if (this.ndir) g[v].add(new int[] {u, t}); } public void addEdge(int u, int v) { addEdge(u, v, 0); } public int to(int from, int ind) { return g[from].get(ind)[0]; } public int cost(int from, int ind) { return g[from].get(ind)[1]; } public int size(int from) { return g[from].size(); } public int[] dijkstra(int s) { int[] dist = new int[this.V]; java.util.PriorityQueue<int[]> pque = new java.util.PriorityQueue<int[]>(11, new Comparator<int[]>() { public int compare(int[] a, int[] b) { return Integer.compare(a[0], b[0]); } }); Arrays.fill(dist, 1 << 26); dist[s] = 0; pque.offer(new int[] {0, s}); while (!pque.isEmpty()) { int[] p = pque.poll(); int v = p[1]; if (dist[v] < p[0]) continue; for (int i = 0; i < g[v].size(); i++) { int to = to(v, i), cost = cost(v, i); if (dist[to] > dist[v] + cost) { dist[to] = dist[v] + cost; pque.offer(new int[] {dist[to], to}); } } } return dist; } public int[] tporder() { boolean[] vis = new boolean[V]; ArrayList<Integer> ord = new ArrayList<>(); for (int i = 0; i < V; i++) if (!vis[i]) ts(i, vis, ord); int[] ret = new int[V]; for (int i = ord.size() - 1; i >= 0; i--) ret[ord.size() - 1 - i] = ord.get(i); return ret; } public int[] scc() { rg = new AL[V]; for (int i = 0; i < V; i++) rg[i] = new AL(); int from, to; for (int i = 0; i < V; i++) { for (int j = 0; j < g[i].size(); j++) { to = i; from = to(i, j); rg[from].add(new int[] {to, 0}); } } int[] ord = tporder(); int k = 0; boolean[] vis = new boolean[V]; int[] ret = new int[V + 1]; for (int i = 0; i < V; i++) if (!vis[i]) rs(ord[i], vis, ret, k++); ret[V] = k; return ret; } private void ts(int now, boolean[] vis, ArrayList<Integer> ord) { vis[now] = true; int to; for (int i = 0; i < g[now].size(); i++) { to = to(now, i); if (!vis[to]) ts(to, vis, ord); } ord.add(now); } private void rs(int now, boolean[] vis, int[] ret, int k) { vis[now] = true; ret[now] = k; int to; for (int i = 0; i < rg[now].size(); i++) { to = rg[now].get(i)[0]; if (!vis[to]) rs(to, vis, ret, k); } } static class AL extends ArrayList<int[]> {}; } public static void main(String[] args) throws Exception { ir = new InputReader(System.in); out = new PrintWriter(System.out); solve(); out.flush(); } static class InputReader { private InputStream in; private byte[] buffer = new byte[1024]; private int curbuf; private int lenbuf; public InputReader(InputStream in) { this.in = in; this.curbuf = this.lenbuf = 0; } public boolean hasNextByte() { if (curbuf >= lenbuf) { curbuf = 0; try { lenbuf = in.read(buffer); } catch (IOException e) { throw new InputMismatchException(); } if (lenbuf <= 0) return false; } return true; } private int readByte() { if (hasNextByte()) return buffer[curbuf++]; else return -1; } private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private void skip() { while (hasNextByte() && isSpaceChar(buffer[curbuf])) curbuf++; } public boolean hasNext() { skip(); return hasNextByte(); } public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while (!isSpaceChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public int nextInt() { if (!hasNext()) throw new NoSuchElementException(); int c = readByte(); while (isSpaceChar(c)) c = readByte(); boolean minus = false; if (c == '-') { minus = true; c = readByte(); } int res = 0; do { if (c < '0' || c > '9') throw new InputMismatchException(); res = res * 10 + c - '0'; c = readByte(); } while (!isSpaceChar(c)); return (minus) ? -res : res; } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); int c = readByte(); while (isSpaceChar(c)) c = readByte(); boolean minus = false; if (c == '-') { minus = true; c = readByte(); } long res = 0; do { if (c < '0' || c > '9') throw new InputMismatchException(); res = res * 10 + c - '0'; c = readByte(); } while (!isSpaceChar(c)); return (minus) ? -res : res; } public double nextDouble() { return Double.parseDouble(next()); } public int[] nextIntArray(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = nextInt(); return a; } public long[] nextLongArray(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nextLong(); return a; } public char[][] nextCharMap(int n, int m) { char[][] map = new char[n][m]; for (int i = 0; i < n; i++) map[i] = next().toCharArray(); return map; } } }
[["+", 0, 492, 3, 4, 0, 510, 75, 16, 17, 72], ["+", 0, 492, 3, 4, 0, 510, 75, 16, 12, 499]]
3
2,066
from copy import deepcopy while True: w, h = map(int, input().split()) if w == 0: break wwal = [] # | hwal = [] # ー a = [0] * w b = [] for i in range(2 * h - 1): if i % 2 == 0: wwal.append(list(map(int, input().split()))) c = deepcopy(a) b.append(c) else: hwal.append(list(map(int, input().split()))) b[0][0] = 1 start = [[0, 0]] flag = 0 while flag == 0: flag = 1 stamemo = [] for i in range(len(start)): t = start.pop() # Left if t[1] != 0: if wwal[t[0]][t[1] - 1] == 0 and b[t[0]][t[1]-1] == 0: b[t[0]][t[1] - 1] = b[t[0]][t[1]] + 1 stamemo.append([t[0], t[1] - 1]) flag = 0 # righT if t[1] != w-1: if wwal[t[0]][t[1]] == 0 and b[t[0]][t[1]+1] == 0: b[t[0]][t[1] + 1] = b[t[0]][t[1]] + 1 if t[0] == h - 1 and t[1] + 1 == w - 1: print(b[t[0]][t[1] + 1]) flag = 2 break stamemo.append([t[0], t[1]+1]) flag = 0 # Up if t[0] != 0: if hwal[t[0] - 1][t[1]] == 0 and b[t[0] - 1][t[1]] == 0: b[t[0] - 1][t[1]] = b[t[0]][t[1]] + 1 stamemo.append([t[0] - 1, t[1]]) flag = 0 # dowN if t[0] != h-1: if hwal[t[0]][t[1]] == 0 and b[t[0] + 1][t[1]] == 0: b[t[0] + 1][t[1]] = b[t[0]][t[1]] + 1 if t[0]+1 == h - 1 and t[1] == w - 1: print(b[t[0]+1][t[1]]) flag = 2 break stamemo.append([t[0] + 1, t[1]]) flag = 0 start = stamemo print(start) if flag == 1: print(0)
from copy import deepcopy while True: w, h = map(int, input().split()) if w == 0: break wwal = [] # | hwal = [] # ー a = [0] * w b = [] for i in range(2 * h - 1): if i % 2 == 0: wwal.append(list(map(int, input().split()))) c = deepcopy(a) b.append(c) else: hwal.append(list(map(int, input().split()))) b[0][0] = 1 start = [[0, 0]] flag = 0 while flag == 0: flag = 1 stamemo = [] for i in range(len(start)): t = start.pop() # Left if t[1] != 0: if wwal[t[0]][t[1] - 1] == 0 and b[t[0]][t[1]-1] == 0: b[t[0]][t[1] - 1] = b[t[0]][t[1]] + 1 stamemo.append([t[0], t[1] - 1]) flag = 0 # righT if t[1] != w-1: if wwal[t[0]][t[1]] == 0 and b[t[0]][t[1]+1] == 0: b[t[0]][t[1] + 1] = b[t[0]][t[1]] + 1 if t[0] == h - 1 and t[1] + 1 == w - 1: print(b[t[0]][t[1] + 1]) flag = 2 break stamemo.append([t[0], t[1]+1]) flag = 0 # Up if t[0] != 0: if hwal[t[0] - 1][t[1]] == 0 and b[t[0] - 1][t[1]] == 0: b[t[0] - 1][t[1]] = b[t[0]][t[1]] + 1 stamemo.append([t[0] - 1, t[1]]) flag = 0 # dowN if t[0] != h-1: if hwal[t[0]][t[1]] == 0 and b[t[0] + 1][t[1]] == 0: b[t[0] + 1][t[1]] = b[t[0]][t[1]] + 1 if t[0]+1 == h - 1 and t[1] == w - 1: print(b[t[0]+1][t[1]]) flag = 2 break stamemo.append([t[0] + 1, t[1]]) flag = 0 start = stamemo if flag == 1: print(0)
[["-", 0, 52, 8, 196, 0, 1, 0, 652, 63, 22], ["-", 8, 196, 0, 1, 0, 652, 3, 4, 0, 24], ["-", 8, 196, 0, 1, 0, 652, 3, 4, 0, 22], ["-", 8, 196, 0, 1, 0, 652, 3, 4, 0, 25]]
5
668
def bfs(maze): d = [[0] * 70 for i in range(70)] d[1][1] = 1 que = [(1, 1)] while 0 < len(que): new_que = [] for x, y in que: if x == 2 * w - 1 and y == 2 * h - 1: return d[y][x] for dx, dy in ((0, 1), (-1, 0), (0, -1), (1, 0)): mx, my = x + dx, y + dy nx, ny = mx + dx, my + dy if nx < 0 and w < nx and ny < 0 and h < ny: continue if maze[my][mx] == 0 and d[ny][nx] == 0: new_que.append((nx, ny)) d[ny][nx] = d[y][x] + 1 que = new_que return 0 while True: w, h = map(int, input().split()) maze = [[0] * (w * 2) for i in range(h * 2)] if w == h == 0: break for x in range(w * 2 + 1): maze[0][x] = maze[h * 2][x] = 1 for y in range(h * 2 + 1): maze[y][0] = maze[y][w * 2] = 1 for y in range(1, h * 2): a = [int(i) for i in input().split()] if y % 2 == 1: for x in range(w - 1): maze[y][2 * x + 2] = a[x] else: for x in range(w): maze[y][2 * x + 1] = a[x] print(bfs(maze))
def bfs(maze): d = [[0] * 70 for i in range(70)] d[1][1] = 1 que = [(1, 1)] while 0 < len(que): new_que = [] for x, y in que: if x == 2 * w - 1 and y == 2 * h - 1: return d[y][x] for dx, dy in ((0, 1), (-1, 0), (0, -1), (1, 0)): mx, my = x + dx, y + dy nx, ny = mx + dx, my + dy if nx < 0 and w < nx and ny < 0 and h < ny: continue if maze[my][mx] == 0 and d[ny][nx] == 0: new_que.append((nx, ny)) d[ny][nx] = d[y][x] + 1 que = new_que return 0 while True: w, h = map(int, input().split()) maze = [[0] * (w * 2 + 1) for i in range(h * 2 + 1)] if w == h == 0: break for x in range(w * 2 + 1): maze[0][x] = maze[h * 2][x] = 1 for y in range(h * 2 + 1): maze[y][0] = maze[y][w * 2] = 1 for y in range(1, h * 2): a = [int(i) for i in input().split()] if y % 2 == 1: for x in range(w - 1): maze[y][2 * x + 2] = a[x] else: for x in range(w): maze[y][2 * x + 1] = a[x] print(bfs(maze))
[["+", 12, 658, 8, 657, 12, 23, 0, 657, 17, 72], ["+", 12, 658, 8, 657, 12, 23, 0, 657, 12, 612], ["+", 0, 659, 12, 652, 3, 4, 0, 657, 17, 72], ["+", 0, 659, 12, 652, 3, 4, 0, 657, 12, 612]]
5
417
from collections import deque while True: W,H = map(int, input().split()) if W == 0: break es = [[] for i in range(W*H)] for y in range(H): walls_h = map(int, input().split()) for x in range(W-1): if walls_h[x]: continue es[y*W + x].append(y*W + x+1) es[y*W + x+1].append(y*W + x) if y == H-1: break walls_v = map(int, input().split()) for x in range(W): if walls_v[x]: continue es[y*W + x].append((y+1)*W + x) es[(y+1)*W + x].append(y*W + x) q = deque([0]) dist = [0] * (W*H) dist[0] = 1 while q: fr = q.popleft() for to in es[fr]: if dist[to] == 0: dist[to] = dist[fr] + 1 q.append(to) print(dist[-1])
from collections import deque while True: W,H = map(int, input().split()) if W == 0: break es = [[] for i in range(W*H)] for y in range(H): walls_h = list(map(int, input().split())) for x in range(W-1): if walls_h[x]: continue es[y*W + x].append(y*W + x+1) es[y*W + x+1].append(y*W + x) if y == H-1: break walls_v = list(map(int, input().split())) for x in range(W): if walls_v[x]: continue es[y*W + x].append((y+1)*W + x) es[(y+1)*W + x].append(y*W + x) q = deque([0]) dist = [0] * (W*H) dist[0] = 1 while q: fr = q.popleft() for to in es[fr]: if dist[to] == 0: dist[to] = dist[fr] + 1 q.append(to) print(dist[-1])
[["+", 8, 196, 0, 1, 0, 662, 12, 652, 63, 22], ["+", 0, 1, 0, 662, 12, 652, 3, 4, 0, 24], ["+", 0, 652, 3, 4, 0, 652, 3, 4, 0, 25]]
5
276
#include <stdio.h> #include <stdlib.h> #define MAX 1000000 - 1 int main() { int n, i, input; int tn, tmp; int tetra_n[181]; int *tetra_sum, *tetra_sum_odd; char a[10]; for (n = 0; n <= 180; n++) tetra_n[n] = n * (n + 1) * (n + 2) / 6; tetra_sum = (int *)malloc(sizeof(int) * (MAX + 1)); tetra_sum_odd = (int *)malloc(sizeof(int) * (MAX + 1)); tetra_sum[0] = 0; tetra_sum_odd[0] = 0; for (i = 1; i <= MAX; i++) { tetra_sum[i] = MAX; tetra_sum_odd[i] = MAX; } for (n = 1; n <= 180; n++) { tn = tetra_n[n]; if (tn % 2 == 0) { for (i = tn; i <= MAX; i++) { tmp = tetra_sum[i - tn] + 1; if (tmp < tetra_sum[i]) tetra_sum[i] = tmp; } } else { for (i = tn; i <= MAX; i++) { tmp = tetra_sum[i - tn] + 1; if (tmp < tetra_sum[i]) tetra_sum[i] = tmp; tmp = tetra_sum_odd[i - tn] + 1; if (tmp < tetra_sum_odd[i]) tetra_sum_odd[i] = tmp; } } } while (1) { input = atof(fgets(a, sizeof(a) / sizeof(a[0]), stdin)); if (input == 0) break; printf("%d %d\n", tetra_sum[input], tetra_sum_odd[input]); } free(tetra_sum); free(tetra_sum); return 0; }
#include <stdio.h> #include <stdlib.h> #define MAX 1000000 - 1 int main() { int n, i, input; int tn, tmp; int tetra_n[181]; int *tetra_sum, *tetra_sum_odd; char a[10]; for (n = 0; n <= 180; n++) tetra_n[n] = n * (n + 1) * (n + 2) / 6; tetra_sum = (int *)malloc(sizeof(int) * (MAX + 1)); tetra_sum_odd = (int *)malloc(sizeof(int) * (MAX + 1)); tetra_sum[0] = 0; tetra_sum_odd[0] = 0; for (i = 1; i <= MAX; i++) { tetra_sum[i] = MAX; tetra_sum_odd[i] = MAX; } for (n = 1; n <= 180; n++) { tn = tetra_n[n]; if (tn % 2 == 0) { for (i = tn; i <= MAX; i++) { tmp = tetra_sum[i - tn] + 1; if (tmp < tetra_sum[i]) tetra_sum[i] = tmp; } } else { for (i = tn; i <= MAX; i++) { tmp = tetra_sum[i - tn] + 1; if (tmp < tetra_sum[i]) tetra_sum[i] = tmp; tmp = tetra_sum_odd[i - tn] + 1; if (tmp < tetra_sum_odd[i]) tetra_sum_odd[i] = tmp; } } } while (1) { input = atof(fgets(a, sizeof(a) / sizeof(a[0]), stdin)); if (input == 0) break; printf("%d %d\n", tetra_sum[input], tetra_sum_odd[input]); } free(tetra_sum); free(tetra_sum_odd); return 0; }
[["-", 8, 9, 0, 1, 0, 2, 3, 4, 0, 22], ["+", 8, 9, 0, 1, 0, 2, 3, 4, 0, 22]]
0
377
#include <stdio.h> #define min(a, b) a < b ? a : b int main() { int n; int i, j; int c; int a[1000001]; int b[1000001]; for (i = 0; i < 1000001; i++) { a[i] = i; b[i] = i; } for (i = 3, c = 4; i < 1000001; i++) { for (j = c; j < 1000001; j++) { a[j] = min(a[j], a[j - c] + 1); } if (c % 2) { for (j = a; j < 1000001; j++) { b[j] = min(b[j], b[j - c] + 1); } } c = i * (i + 1) * (i + 2) / 6; } while (scanf("%d", &n), n) { printf("%d %d\n", a[n], b[n]); } return 0; }
#include <stdio.h> #define min(a, b) a < b ? a : b int main() { int n; int i, j; int c; int a[1000001]; int b[1000001]; for (i = 0; i < 1000001; i++) { a[i] = i; b[i] = i; } for (i = 3, c = 4; c < 1000001; i++) { for (j = c; j < 1000001; j++) { a[j] = min(a[j], a[j - c] + 1); } if (c % 2) { for (j = c; j < 1000001; j++) { b[j] = min(b[j], b[j - c] + 1); } } c = i * (i + 1) * (i + 2) / 6; } while (scanf("%d", &n), n) { printf("%d %d\n", a[n], b[n]); } return 0; }
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0
224
#include <bits/stdc++.h> #define rep(i, a, b) for (int i = int(a); i < int(b); ++i) using namespace std; typedef long long ll; typedef pair<int, int> P; int INF = (1LL << 30) - 1; int MOD = 1e9 + 7; int MAX_NUM = 1000000; main() { vector<int> V, W; for (int i = 1; i * (i + 1) * (i + 2) / 6 <= MAX_NUM; i++) { int num = i * (i + 1) * (i + 2) / 6; V.push_back(num); if (i % 4 == 1) W.push_back(num); } vector<int> t1(MAX_NUM, INF), t2(MAX_NUM, INF); t1[0] = t2[0] = 0; rep(i, 0, V.size()) { rep(j, 0, MAX_NUM) { if (j + V[i] > MAX_NUM) break; t1[j + V[i]] = min(t1[j + V[i]], t1[j] + 1); } } rep(i, 0, W.size()) { rep(j, 0, MAX_NUM) { if (j + W[i] > MAX_NUM) break; t2[j + W[i]] = min(t2[j + V[i]], t2[j] + 1); } } int N; cin >> N; while (N) { cout << t1[N] << " " << t2[N] << endl; cin >> N; } }
#include <bits/stdc++.h> #define rep(i, a, b) for (int i = int(a); i < int(b); ++i) using namespace std; typedef long long ll; typedef pair<int, int> P; int INF = (1LL << 30) - 1; int MOD = 1e9 + 7; int MAX_NUM = 1000000; main() { vector<int> V, W; for (int i = 1; i * (i + 1) * (i + 2) / 6 <= MAX_NUM; i++) { int num = i * (i + 1) * (i + 2) / 6; V.push_back(num); if (i % 4 == 1) W.push_back(num); } vector<int> t1(MAX_NUM, INF), t2(MAX_NUM, INF); t1[0] = t2[0] = 0; rep(i, 0, V.size()) { rep(j, 0, MAX_NUM) { if (j + V[i] > MAX_NUM) break; t1[j + V[i]] = min(t1[j + V[i]], t1[j] + 1); } } rep(i, 0, W.size()) { rep(j, 0, MAX_NUM) { if (j + W[i] > MAX_NUM) break; t2[j + W[i]] = min(t2[j + W[i]], t2[j] + 1); } } int N; cin >> N; while (N) { cout << t1[N] << " " << t2[N] << endl; cin >> N; } }
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1
340
#include <bits/stdc++.h> using namespace std; int all[1000001]; int odd[1000001]; int const INF = 1 << 29; int main() { fill(all, all + 1000001, INF); fill(odd, odd + 1000001, INF); all[0] = odd[0] = 0; for (int i = 1;; i++) { int n = i * (i + 1) * (i + 2); if (n > 1000000) break; for (int j = n; j <= 1000000; j++) { all[j] = min(all[j - n] + 1, all[j]); if (n % 2) { odd[j] = min(odd[j - n] + 1, odd[j]); } } } int N; while (cin >> N && N) { cout << all[N] << ' ' << odd[N] << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int all[1000001]; int odd[1000001]; int const INF = 1 << 29; int main() { fill(all, all + 1000001, INF); fill(odd, odd + 1000001, INF); all[0] = odd[0] = 0; for (int i = 1;; i++) { int n = i * (i + 1) * (i + 2) / 6; if (n > 1000000) break; for (int j = n; j <= 1000000; j++) { all[j] = min(all[j - n] + 1, all[j]); if (n % 2) { odd[j] = min(odd[j - n] + 1, odd[j]); } } } int N; while (cin >> N && N) { cout << all[N] << ' ' << odd[N] << endl; } return 0; }
[["+", 8, 9, 0, 43, 49, 50, 51, 16, 17, 85], ["+", 8, 9, 0, 43, 49, 50, 51, 16, 12, 13]]
1
206
#include <algorithm> #include <cstdio> #include <functional> #include <iostream> #include <list> #include <map> #include <queue> #include <stack> #include <string> #include <vector> #define INF 1000000 using namespace std; typedef list<int> L; typedef pair<int, int> P; typedef vector<int> V; typedef queue<int> Q; typedef stack<int> S; typedef map<string, int> M; int N; int dp[1000001]; int dp2[1000001]; int tetra[1000]; int main() { for (int i = 0; i <= INF; i++) { dp[i] = INF; dp2[i] = INF; } int n = 1; int tmp; while ((tmp = (n * (n + 1) * (n + 2) / 6)) <= 1000000) { tetra[n++] = tmp; dp[tmp] = 1; if (tmp % 2) dp2[tmp] = 1; } int max = 1; while (cin >> N, N) { if (max > N) { cout << dp[N] << " "; } else { for (int i = max; i <= N; i++) { for (int j = 1; tetra[j] <= i; j++) { dp[i] = min(dp[i], dp[i - tetra[j]] + 1); } } cout << dp[N] << " "; } if (max > N) { cout << dp2[N] << endl; } else { for (int i = 1; i <= N; i++) { for (int j = 1; tetra[j] <= i; j++) { if (tetra[j] % 2) dp2[i] = min(dp2[i], dp2[i - tetra[j]] + 1); } } cout << dp[N] << endl; max = N; } } return 0; }
#include <algorithm> #include <cstdio> #include <functional> #include <iostream> #include <list> #include <map> #include <queue> #include <stack> #include <string> #include <vector> #define INF 1000000 using namespace std; typedef list<int> L; typedef pair<int, int> P; typedef vector<int> V; typedef queue<int> Q; typedef stack<int> S; typedef map<string, int> M; int N; int dp[1000001]; int dp2[1000001]; int tetra[1000]; int main() { for (int i = 0; i <= INF; i++) { dp[i] = INF; dp2[i] = INF; } int n = 1; int tmp; while ((tmp = (n * (n + 1) * (n + 2) / 6)) <= 1000000) { tetra[n++] = tmp; dp[tmp] = 1; if (tmp % 2) dp2[tmp] = 1; } int max = 1; while (cin >> N, N) { if (max > N) { cout << dp[N] << " "; } else { for (int i = max; i <= N; i++) { for (int j = 1; tetra[j] <= i; j++) { dp[i] = min(dp[i], dp[i - tetra[j]] + 1); } } cout << dp[N] << " "; } if (max > N) { cout << dp2[N] << endl; } else { for (int i = max; i <= N; i++) { for (int j = 1; tetra[j] <= i; j++) { if (tetra[j] % 2) dp2[i] = min(dp2[i], dp2[i - tetra[j]] + 1); } } cout << dp2[N] << endl; max = N; } } return 0; }
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1
407
#include <algorithm> #include <assert.h> #include <bitset> #include <complex> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; #define REP(i, m, n) for (int i = (int)(m); i < (int)(n); ++i) #define rep(i, n) REP(i, 0, n) using ll = long long; const int inf = 1e9 + 7; const ll longinf = 1LL << 60; const ll mod = 1e9 + 7; void solve(int h, int w) { vector<vector<int>> v(h * w); rep(i, h) { rep(j, w - 1) { int x; cin >> x; if (!x) { v[i * w + j].push_back(i * w + j + 1); v[i * w + j + 1].push_back(i * w + j); } } if (i == h - 1) break; rep(j, w) { int x; cin >> x; if (!x) { v[i * w + j].push_back((i + 1) * w + j); v[(i + 1) * w + j].push_back(i * w + j); } } } vector<int> dist(h * w, inf); dist[0] = 1; queue<int> que; que.push(0); while (que.size()) { int cur = que.front(); que.pop(); for (auto to : v[cur]) { if (dist[to] > dist[cur] + 1) { dist[to] = dist[cur] + 1; que.push(to); } } } if (dist[h * w - 1] == inf) cout << -1 << endl; else cout << dist[h * w - 1] << endl; } int main() { int w, h; while (cin >> w >> h, w != 0) solve(h, w); return 0; }
#include <algorithm> #include <assert.h> #include <bitset> #include <complex> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; #define REP(i, m, n) for (int i = (int)(m); i < (int)(n); ++i) #define rep(i, n) REP(i, 0, n) using ll = long long; const int inf = 1e9 + 7; const ll longinf = 1LL << 60; const ll mod = 1e9 + 7; void solve(int h, int w) { vector<vector<int>> v(h * w); rep(i, h) { rep(j, w - 1) { int x; cin >> x; if (!x) { v[i * w + j].push_back(i * w + j + 1); v[i * w + j + 1].push_back(i * w + j); } } if (i == h - 1) break; rep(j, w) { int x; cin >> x; if (!x) { v[i * w + j].push_back((i + 1) * w + j); v[(i + 1) * w + j].push_back(i * w + j); } } } vector<int> dist(h * w, inf); dist[0] = 1; queue<int> que; que.push(0); while (que.size()) { int cur = que.front(); que.pop(); for (auto to : v[cur]) { if (dist[to] > dist[cur] + 1) { dist[to] = dist[cur] + 1; que.push(to); } } } if (dist[h * w - 1] == inf) cout << 0 << endl; else cout << dist[h * w - 1] << endl; } int main() { int w, h; while (cin >> w >> h, w != 0) solve(h, w); return 0; }
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1
429
#include <algorithm> #include <cstdio> #define rep(i, n) for (int i = 0; i < (n); i++) using namespace std; const int INF = 1 << 29; const int dx[] = {1, 0, -1, 0}, dy[] = {0, -1, 0, 1}; int main() { for (int h, w; scanf("%d%d", &h, &w), h;) { int hor[50][50], ver[50][50]; rep(i, h) { rep(j, w - 1) scanf("%d", ver[i] + j); if (i < h - 1) { rep(j, w) scanf("%d", hor[i] + j); } } int d[50][50]; rep(i, h) rep(j, w) d[i][j] = INF; d[0][0] = 0; rep(_, h * w) { rep(i, h) rep(j, w) rep(k, 4) { int y = i + dy[k], x = j + dx[k]; if (k == 0 && ver[i][j] == 0 || k == 1 && hor[i + 1][j] == 0 || k == 2 && ver[i][j - 1] == 0 || k == 3 && hor[i][j] == 0) d[y][x] = min(d[y][x], d[i][j] + 1); } } printf("%d\n", d[h - 1][w - 1] < INF ? d[h - 1][w - 1] : 0); } return 0; }
#include <algorithm> #include <cstdio> #define rep(i, n) for (int i = 0; i < (n); i++) using namespace std; const int INF = 1 << 29; const int dx[] = {1, 0, -1, 0}, dy[] = {0, -1, 0, 1}; int main() { for (int h, w; scanf("%d%d", &w, &h), h;) { int hor[50][50], ver[50][50]; rep(i, h) { rep(j, w - 1) scanf("%d", ver[i] + j); if (i < h - 1) { rep(j, w) scanf("%d", hor[i] + j); } } int d[50][50]; rep(i, h) rep(j, w) d[i][j] = INF; d[0][0] = 1; rep(_, h * w) { rep(i, h) rep(j, w) rep(k, 4) { int y = i + dy[k], x = j + dx[k]; if (k == 0 && ver[i][j] == 0 || k == 1 && hor[i - 1][j] == 0 || k == 2 && ver[i][j - 1] == 0 || k == 3 && hor[i][j] == 0) d[y][x] = min(d[y][x], d[i][j] + 1); } } printf("%d\n", d[h - 1][w - 1] < INF ? d[h - 1][w - 1] : 0); } return 0; }
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1
384
#include <cstdio> #include <cstdlib> #include <iostream> #define BUFFER_SIZE 1024 int bfs(int sx, int sy); const int dx[] = {1, 0, -1, 0}, dy[] = {0, 1, 0, -1}; struct queue { int buffer[BUFFER_SIZE]; int head; int tail; }; void init(struct queue *q) { q->head = 0; q->tail = -1; } void enqueue(struct queue *q, int x) { if (q->head == q->tail) { fprintf(stderr, "queue is full\n"); exit(1); } q->buffer[q->head] = x; q->head = (q->head + 1) % BUFFER_SIZE; } int dequeue(struct queue *q) { int t = (q->tail + 1) % BUFFER_SIZE; if (q->head == t) { fprintf(stderr, "queue is empty\n"); exit(1); } q->tail = t; return q->buffer[q->tail]; } int map_d[32][32]; int map_a[32][32]; int map_b[32][32]; int w, h; bool isOK(int sx, int sy, int nx, int ny) { if (ny < 0 || nx < 0) return false; if (sx == nx) { if (sy < ny) { if (map_a[sx][sy] == 0) return true; } else if (sy > ny) { if (map_a[sx][ny] == 0) return true; } } else { if (sx < nx) { if (map_b[sx][sy] == 0) return true; } else { if (map_b[nx][sy] == 0) return true; } } return false; } //---->x //| //| // y int main() { for (;;) { for (int i = 0; i < 32; i++) { for (int j = 0; j < 32; j++) { map_d[i][j] = 100000; map_a[i][j] = 1; map_b[i][j] = 1; } } map_d[0][0] = 0; scanf("%d %d", &w, &h); if (w == 0) return 0; //??\??? for (int i = 0; i < h - 1; i++) { for (int j = 0; j < w - 1; j++) { scanf("%d", &map_a[i][j]); } for (int j = 0; j < w; j++) { scanf("%d", &map_b[i][j]); } } for (int j = 0; j < w - 1; j++) { scanf("%d", &map_a[h - 1][j]); } bfs(0, 0); if (map_d[h - 1][w - 1] = 100000) printf("0\n"); else printf("%d\n", map_d[h - 1][w - 1] + 1); } } int bfs(int sx, int sy) { struct queue q; init(&q); enqueue(&q, sx); enqueue(&q, sy); while (q.head != (q.tail + 1) % BUFFER_SIZE) { int x, y; x = dequeue(&q); y = dequeue(&q); if (x == w - 1 && y == h - 1) return 0; for (int i = 0; i < 4; i++) { int nx = x + dx[i], ny = y + dy[i]; if (!isOK(x, y, nx, ny) || map_d[nx][ny] != 100000) { continue; } if (map_d[nx][ny] > map_d[x][y] + 1) map_d[nx][ny] = map_d[x][y] + 1; enqueue(&q, nx); enqueue(&q, ny); } } }
#include <cstdio> #include <cstdlib> #include <iostream> #define BUFFER_SIZE 1024 int bfs(int sx, int sy); const int dx[] = {1, 0, -1, 0}, dy[] = {0, 1, 0, -1}; struct queue { int buffer[BUFFER_SIZE]; int head; int tail; }; void init(struct queue *q) { q->head = 0; q->tail = -1; } void enqueue(struct queue *q, int x) { if (q->head == q->tail) { fprintf(stderr, "queue is full\n"); exit(1); } q->buffer[q->head] = x; q->head = (q->head + 1) % BUFFER_SIZE; } int dequeue(struct queue *q) { int t = (q->tail + 1) % BUFFER_SIZE; if (q->head == t) { fprintf(stderr, "queue is empty\n"); exit(1); } q->tail = t; return q->buffer[q->tail]; } int map_d[32][32]; int map_a[32][32]; int map_b[32][32]; int w, h; bool isOK(int sx, int sy, int nx, int ny) { if (ny < 0 || nx < 0) return false; if (sx == nx) { if (sy < ny) { if (map_a[sx][sy] == 0) return true; } else if (sy > ny) { if (map_a[sx][ny] == 0) return true; } } else { if (sx < nx) { if (map_b[sx][sy] == 0) return true; } else { if (map_b[nx][sy] == 0) return true; } } return false; } //---->x //| //| // y int main() { for (;;) { for (int i = 0; i < 32; i++) { for (int j = 0; j < 32; j++) { map_d[i][j] = 100000; map_a[i][j] = 1; map_b[i][j] = 1; } } map_d[0][0] = 0; scanf("%d %d", &w, &h); if (w == 0) return 0; //??\??? for (int i = 0; i < h - 1; i++) { for (int j = 0; j < w - 1; j++) { scanf("%d", &map_a[i][j]); } for (int j = 0; j < w; j++) { scanf("%d", &map_b[i][j]); } } for (int j = 0; j < w - 1; j++) { scanf("%d", &map_a[h - 1][j]); } bfs(0, 0); if (map_d[h - 1][w - 1] == 100000) printf("0\n"); else printf("%d\n", map_d[h - 1][w - 1] + 1); } } int bfs(int sx, int sy) { struct queue q; init(&q); enqueue(&q, sx); enqueue(&q, sy); while (q.head != (q.tail + 1) % BUFFER_SIZE) { int x, y; x = dequeue(&q); y = dequeue(&q); if (x == w - 1 && y == h - 1) return 0; for (int i = 0; i < 4; i++) { int nx = x + dx[i], ny = y + dy[i]; if (!isOK(x, y, nx, ny) || map_d[nx][ny] != 100000) { continue; } if (map_d[nx][ny] > map_d[x][y] + 1) map_d[nx][ny] = map_d[x][y] + 1; enqueue(&q, nx); enqueue(&q, ny); } } }
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1
877
#include <iostream> #include <queue> #include <vector> #define INF (1 << 29) using namespace std; const int dx[4] = {0, 1, 0, -1}; const int dy[4] = {-1, 0, 1, 0}; int main() { int H, W, T; vector<vector<vector<bool>>> M; while (true) { cin >> W >> H; if (W == 0 && H == 0) { break; } M = vector<vector<vector<bool>>>( H, vector<vector<bool>>(W, vector<bool>(4, false))); for (int i = 0; i < W; i++) { M[0][i][0] = true; } for (int i = 0; i < H; i++) { M[i][W - 1][1] = true; } for (int i = 0; i < W; i++) { M[H - 1][i][2] = true; } for (int i = 0; i < H; i++) { M[i][0][3] = true; } for (int i = 0; i < 2 * H - 1; i++) { for (int j = 0; j < (i % 2 == 0 ? W - 1 : W); j++) { cin >> T; if (T == 1) { if (i % 2 == 0) { M[i / 2][j][1] = true; M[i / 2][j + 1][3] = true; } else { M[i / 2][j][2] = true; M[i / 2 + 1][j][0] = true; } } } } vector<vector<int>> dp(H, vector<int>(W, INF)); dp[0][0] = 0; queue<pair<int, int>> que; que.push(make_pair(0, 0)); while (!que.empty()) { pair<int, int> p1 = que.front(); que.pop(); int x = p1.first; int y = p1.second; for (int dir = 0; dir < 4; dir++) { if (M[y][x][dir] == false) { if (dp[y + dy[dir]][x + dx[dir]] == INF) { dp[y + dy[dir]][x + dx[dir]] = dp[y][x] + 1; que.push(make_pair(x + dx[dir], y + dy[dir])); } } } } if (dp[H - 1][W - 1] == INF) { cout << 0 << endl; } else { cout << dp[H - 1][W - 1] << endl; } } return 0; }
#include <iostream> #include <queue> #include <vector> #define INF (1 << 29) using namespace std; const int dx[4] = {0, 1, 0, -1}; const int dy[4] = {-1, 0, 1, 0}; int main() { int H, W, T; vector<vector<vector<bool>>> M; while (true) { cin >> W >> H; if (W == 0 && H == 0) { break; } M = vector<vector<vector<bool>>>( H, vector<vector<bool>>(W, vector<bool>(4, false))); for (int i = 0; i < W; i++) { M[0][i][0] = true; } for (int i = 0; i < H; i++) { M[i][W - 1][1] = true; } for (int i = 0; i < W; i++) { M[H - 1][i][2] = true; } for (int i = 0; i < H; i++) { M[i][0][3] = true; } for (int i = 0; i < 2 * H - 1; i++) { for (int j = 0; j < (i % 2 == 0 ? W - 1 : W); j++) { cin >> T; if (T == 1) { if (i % 2 == 0) { M[i / 2][j][1] = true; M[i / 2][j + 1][3] = true; } else { M[i / 2][j][2] = true; M[i / 2 + 1][j][0] = true; } } } } vector<vector<int>> dp(H, vector<int>(W, INF)); dp[0][0] = 1; queue<pair<int, int>> que; que.push(make_pair(0, 0)); while (!que.empty()) { pair<int, int> p1 = que.front(); que.pop(); int x = p1.first; int y = p1.second; for (int dir = 0; dir < 4; dir++) { if (M[y][x][dir] == false) { if (dp[y + dy[dir]][x + dx[dir]] == INF) { dp[y + dy[dir]][x + dx[dir]] = dp[y][x] + 1; que.push(make_pair(x + dx[dir], y + dy[dir])); } } } } if (dp[H - 1][W - 1] == INF) { cout << 0 << endl; } else { cout << dp[H - 1][W - 1] << endl; } } return 0; }
[["-", 0, 52, 8, 9, 0, 1, 0, 11, 12, 13], ["+", 0, 52, 8, 9, 0, 1, 0, 11, 12, 13]]
1
645
#include <algorithm> #include <iostream> #include <map> #include <queue> #include <vector> using namespace std; int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; int main() { while (true) { int w, h; cin >> w >> h; if (w == 0 && h == 0) { break; } vector<vector<int>> tatekabe(h, vector<int>(w - 1, 0)); vector<vector<int>> yokokabe(h - 1, vector<int>(w, 0)); vector<vector<int>> f(w, vector<int>(h, 0)); for (int i = 0; i < 2 * h - 1; i++) { if (i % 2 == 0) { for (int j = 0; j < w - 1; j++) { cin >> tatekabe[i / 2][j]; } } else { for (int j = 0; j < w; j++) { cin >> yokokabe[i / 2][j]; } } } int ans = 1; queue<pair<int, int>> q; q.push({0, 0}); f[0][0] = 1; while (true) { if (q.empty() == true) { cout << 0 << endl; break; } unsigned int cnt = q.size(); while (cnt != 0) { pair<int, int> temp = q.front(); q.pop(); cnt--; if (temp.first == w - 1 && temp.second == h - 1) { cout << ans << endl; break; } for (int i = 0; i < 4; i++) { bool flag = true; int nx = temp.first + dx[i]; int ny = temp.second + dy[i]; if (nx < 0 || nx >= w || ny < 0 || ny >= h) { continue; } switch (i) { case 0: if (tatekabe[temp.second][temp.first] == 1) { flag = false; } break; case 1: if (yokokabe[temp.second][temp.first] == 1) { flag = false; } break; case 2: if (tatekabe[temp.second][temp.first - 1] == 1) { flag = false; } break; case 3: if (yokokabe[temp.second - 1][temp.first] == 1) { flag = false; } break; } if (flag == true && f[nx][ny] == 0) { q.push({nx, ny}); f[nx][ny] = 1; } } } ans++; } } return 0; }
#include <algorithm> #include <iostream> #include <map> #include <queue> #include <vector> using namespace std; int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; int main() { while (true) { int w, h; cin >> w >> h; if (w == 0 && h == 0) { break; } vector<vector<int>> tatekabe(h, vector<int>(w - 1, 0)); vector<vector<int>> yokokabe(h - 1, vector<int>(w, 0)); vector<vector<int>> f(w, vector<int>(h, 0)); for (int i = 0; i < 2 * h - 1; i++) { if (i % 2 == 0) { for (int j = 0; j < w - 1; j++) { cin >> tatekabe[i / 2][j]; } } else { for (int j = 0; j < w; j++) { cin >> yokokabe[i / 2][j]; } } } int ans = 1; queue<pair<int, int>> q; q.push({0, 0}); f[0][0] = 1; while (true) { if (q.empty() == true) { cout << 0 << endl; break; } unsigned int cnt = q.size(); while (cnt != 0) { pair<int, int> temp = q.front(); q.pop(); cnt--; if (temp.first == w - 1 && temp.second == h - 1) { cout << ans << endl; goto End; } for (int i = 0; i < 4; i++) { bool flag = true; int nx = temp.first + dx[i]; int ny = temp.second + dy[i]; if (nx < 0 || nx >= w || ny < 0 || ny >= h) { continue; } switch (i) { case 0: if (tatekabe[temp.second][temp.first] == 1) { flag = false; } break; case 1: if (yokokabe[temp.second][temp.first] == 1) { flag = false; } break; case 2: if (tatekabe[temp.second][temp.first - 1] == 1) { flag = false; } break; case 3: if (yokokabe[temp.second - 1][temp.first] == 1) { flag = false; } break; } if (flag == true && f[nx][ny] == 0) { q.push({nx, ny}); f[nx][ny] = 1; } } } ans++; } End:; } return 0; }
[["-", 8, 9, 0, 57, 64, 9, 0, 93, 0, 94], ["+", 8, 9, 0, 57, 64, 9, 0, 126, 0, 127], ["+", 8, 9, 0, 57, 64, 9, 0, 126, 128, 129], ["+", 8, 9, 0, 52, 8, 9, 0, 97, 128, 129], ["+", 8, 9, 0, 52, 8, 9, 0, 97, 0, 102], ["+", 0, 52, 8, 9, 0, 97, 0, 1, 0, 35]]
1
604
#include <iostream> #include <queue> using namespace std; int main() { int w, h; int map [30] [30]; //?£???????,???,???,??????????????????????????????1,2,4,8???????????? while (cin >> w >> h && w > 0 && h > 0) { for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) map[i][j] = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (i == 0) map[i][j] |= 1; else { int wall; cin >> wall; if (wall == 1) { map[i - 1][j] |= 8; map[i][j] |= 1; } } if (i == h - 1) map[i][j] |= 8; } map[i][0] |= 2; for (int j = 1; j < w; j++) { int wall; cin >> wall; if (wall == 1) { map[i][j - 1] |= 4; map[i][j] |= 2; } } map[i][w - 1] |= 4; } int d[30][30]; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) d[i][j] = 0; d[0][0] = 1; queue<int> cur; cur.push(0 * w + 0); int sh[4] = {-w, -1, 1, w}; while (!cur.empty()) { for (int i = 0; i < 4; i++) { if ((map[cur.front() / w][cur.front() % w] & (1 << i)) == 0 && d[(cur.front() + sh[i]) / w][(cur.front() + sh[i]) % w] == 0) { d[(cur.front() + sh[i]) / w][(cur.front() + sh[i]) % w] = d[cur.front() / w][cur.front() % w] + 1; cur.push(cur.front() + sh[i]); } } cur.pop(); } cout << d[h - 1][w - 1] << endl; return 0; } }
#include <iostream> #include <queue> using namespace std; int main() { int w, h; int map [30] [30]; //?£???????,???,???,??????????????????????????????1,2,4,8???????????? while (cin >> w >> h && w > 0 && h > 0) { for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) map[i][j] = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (i == 0) map[i][j] |= 1; else { int wall; cin >> wall; if (wall == 1) { map[i - 1][j] |= 8; map[i][j] |= 1; } } if (i == h - 1) map[i][j] |= 8; } map[i][0] |= 2; for (int j = 1; j < w; j++) { int wall; cin >> wall; if (wall == 1) { map[i][j - 1] |= 4; map[i][j] |= 2; } } map[i][w - 1] |= 4; } int d[30][30]; for (int i = 0; i < h; i++) for (int j = 0; j < w; j++) d[i][j] = 0; d[0][0] = 1; queue<int> cur; cur.push(0 * w + 0); int sh[4] = {-w, -1, 1, w}; while (!cur.empty()) { for (int i = 0; i < 4; i++) { if ((map[cur.front() / w][cur.front() % w] & (1 << i)) == 0 && d[(cur.front() + sh[i]) / w][(cur.front() + sh[i]) % w] == 0) { d[(cur.front() + sh[i]) / w][(cur.front() + sh[i]) % w] = d[cur.front() / w][cur.front() % w] + 1; cur.push(cur.front() + sh[i]); } } cur.pop(); } cout << d[h - 1][w - 1] << endl; } return 0; }
[["+", 0, 14, 8, 9, 0, 52, 8, 9, 0, 46], ["-", 0, 14, 8, 9, 0, 52, 8, 9, 0, 46]]
1
551
#include <iostream> #include <queue> using namespace std; int w, h, a, ans, tx, ty; bool map[62][62]; int lap[62][62]; struct Node { int x, y, d; Node(int a, int b, int c) { x = a; y = b; d = c; } }; typedef struct Node node; int main() { //??\????????????????????§??????????????????????????¨???????????????????????????????????? cin >> w; cin >> h; while (w != 0 || h != 0) { ans = 0; for (int lop = 0; lop < 62; lop++) { for (int lop2 = 0; lop2 < 62; lop2++) { if (lop == 0 || lop == 61 || lop2 == 0 || lop2 == 61 || lop2 == w * 2 || lop == h * 2) { map[lop][lop2] = 1; } else { map[lop][lop2] = 0; } lap[lop][lop2] = 0; } } //?????????????????´ map[0][1] = 0; map[h * 2][w * 2 - 1] = 0; //??\?????£?????£ for (int lop = 0; lop < h * 2 - 1; lop++) { if (lop % 2 == 0 || lop == 0) { for (int lop2 = 0; lop2 < w - 1; lop2++) { cin >> a; if (a == 1) { if (map[lop][lop2 * 2 + 2] == 0) { map[lop][lop2 * 2 + 2] = 1; } if (map[lop + 1][lop2 * 2 + 2] == 0) { map[lop + 1][lop2 * 2 + 2] = 1; } if (map[lop + 2][lop2 * 2 + 2] == 0) { map[lop + 2][lop2 * 2 + 2] = 1; } } } } else { for (int lop2 = 0; lop2 < w; lop2++) { cin >> a; if (a == 1) { if (map[lop + 1][lop2 * 2] == 0) { map[lop + 1][lop2 * 2] = 1; } if (map[lop + 1][lop2 * 2 + 1] == 0) { map[lop + 1][lop2 * 2 + 1] = 1; } if (map[lop + 1][lop2 * 2 + 2] == 0) { map[lop + 1][lop2 * 2 + 2] = 1; } } } } } //?£???????????????????????????????????£????????????????????????? //?????¨?¨???§??????????????´???????£??????? bool done[62][62] = {0}; queue<node> q; q.push(node(1, 1, 0)); //??¨??¢?´¢??¨?????\????????? while (q.size() != 0) { node qq = q.front(); q.pop(); //???????????? ??????????????¶ 1,1,0 if (done[qq.y][qq.x] == 0) { //?£?????????????????????? done[qq.y][qq.x] = 1; //??????????????????????£?????????? if (qq.x == w * 2 - 1 && qq.y == h * 2 - 1) { ans = (qq.d + 2) / 2; break; } //??´????????????????????¢ // cout<<"aaaa"<<endl; if (map[qq.y][qq.x - 1] == 0) { q.push(node(qq.x - 1, qq.y, qq.d + 1)); } if (map[qq.y - 1][qq.x] == 0) { q.push(node(qq.x, qq.y - 1, qq.d + 1)); } if (map[qq.y][qq.x + 1] == 0) { q.push(node(qq.x + 1, qq.y, qq.d + 1)); } if (map[qq.y + 1][qq.x] == 0) { q.push(node(qq.x, qq.y + 1, qq.d + 1)); } } //?????????????????´???0?????????????????? } cout << ans / 2 << endl; cin >> w; cin >> h; } return 0; }
#include <iostream> #include <queue> using namespace std; int w, h, a, ans, tx, ty; bool map[62][62]; int lap[62][62]; struct Node { int x, y, d; Node(int a, int b, int c) { x = a; y = b; d = c; } }; typedef struct Node node; int main() { //??\????????????????????§??????????????????????????¨???????????????????????????????????? cin >> w; cin >> h; while (w != 0 || h != 0) { ans = 0; for (int lop = 0; lop < 62; lop++) { for (int lop2 = 0; lop2 < 62; lop2++) { if (lop == 0 || lop == 61 || lop2 == 0 || lop2 == 61 || lop2 == w * 2 || lop == h * 2) { map[lop][lop2] = 1; } else { map[lop][lop2] = 0; } lap[lop][lop2] = 0; } } //?????????????????´ map[0][1] = 0; map[h * 2][w * 2 - 1] = 0; //??\?????£?????£ for (int lop = 0; lop < h * 2 - 1; lop++) { if (lop % 2 == 0 || lop == 0) { for (int lop2 = 0; lop2 < w - 1; lop2++) { cin >> a; if (a == 1) { if (map[lop][lop2 * 2 + 2] == 0) { map[lop][lop2 * 2 + 2] = 1; } if (map[lop + 1][lop2 * 2 + 2] == 0) { map[lop + 1][lop2 * 2 + 2] = 1; } if (map[lop + 2][lop2 * 2 + 2] == 0) { map[lop + 2][lop2 * 2 + 2] = 1; } } } } else { for (int lop2 = 0; lop2 < w; lop2++) { cin >> a; if (a == 1) { if (map[lop + 1][lop2 * 2] == 0) { map[lop + 1][lop2 * 2] = 1; } if (map[lop + 1][lop2 * 2 + 1] == 0) { map[lop + 1][lop2 * 2 + 1] = 1; } if (map[lop + 1][lop2 * 2 + 2] == 0) { map[lop + 1][lop2 * 2 + 2] = 1; } } } } } //?£???????????????????????????????????£????????????????????????? //?????¨?¨???§??????????????´???????£??????? bool done[62][62] = {0}; queue<node> q; q.push(node(1, 1, 0)); //??¨??¢?´¢??¨?????\????????? while (q.size() != 0) { node qq = q.front(); q.pop(); //???????????? ??????????????¶ 1,1,0 if (done[qq.y][qq.x] == 0) { //?£?????????????????????? done[qq.y][qq.x] = 1; //??????????????????????£?????????? if (qq.x == w * 2 - 1 && qq.y == h * 2 - 1) { ans = (qq.d + 2) / 2; break; } //??´????????????????????¢ // cout<<"aaaa"<<endl; if (map[qq.y][qq.x - 1] == 0) { q.push(node(qq.x - 1, qq.y, qq.d + 1)); } if (map[qq.y - 1][qq.x] == 0) { q.push(node(qq.x, qq.y - 1, qq.d + 1)); } if (map[qq.y][qq.x + 1] == 0) { q.push(node(qq.x + 1, qq.y, qq.d + 1)); } if (map[qq.y + 1][qq.x] == 0) { q.push(node(qq.x, qq.y + 1, qq.d + 1)); } } //?????????????????´???0?????????????????? } cout << ans << endl; cin >> w; cin >> h; } return 0; }
[["-", 0, 1, 0, 16, 31, 16, 12, 16, 17, 85], ["-", 0, 1, 0, 16, 31, 16, 12, 16, 12, 13]]
1
874
#include <bits/stdc++.h> using namespace std; #define INF 1000000 // aizu 200??? //??±???????????¢?´¢??§?????????????????? //???????????????????????¢?´¢??§???????????? int h, w; int di[4] = {0, 1, 0, -1}; int dj[4] = {1, 0, -1, 0}; int main() { while (1) { cin >> w >> h; if (w == 0) break; vector<vector<bool>> canGo(2 * h + 2, vector<bool>(2 * w + 2, true)); for (int i = 1; i <= 2 * h - 1; i++) { for (int j = 1; j <= 2 * w - 1; j++) { canGo[i][j] = false; } } //??\??? for (int i = 1; i <= 2 * h - 1; i++) { if (i % 2 == 1) { for (int j = 2; j <= 2 * w - 1; j += 2) { bool input; cin >> input; canGo[i][j] = input; } } else { for (int j = 1; j <= 2 * w - 1; j += 2) { bool input; cin >> input; canGo[i][j] = input; } } } //??\??????????????¢?´¢ queue<pair<int, pair<int, int>>> wait; wait.push(make_pair(0, make_pair(1, 1))); canGo[1][1] = true; //??\??????????????? int ans = 0; // ans???0??§????????? while (!wait.empty()) { //?????\???????????????????????§ //?????\????????????????´???????????????? int nowcost = wait.front().first; int nowi = wait.front().second.first; int nowj = wait.front().second.second; // cout << nowcost << " " << nowi << " " << nowj << endl; wait.pop(); //??´?????????????????????????????????????????????????????? if (nowi == 2 * h - 1 && nowj == 2 * w - 1) { ans = nowcost; break; } //??????????????¢?´¢ for (int k = 0; k < 4; k++) { int nexti = nowi + 2 * di[k]; int nextj = nowj + 2 * dj[k]; //?????????????????????????????? if (canGo[nowi + di[k]][nowj + dj[k]] == 0 && canGo[nexti][nextj] == 0) { //????????????????????\??????????????? //??????????´¢???????????¨?????????????£???§????????? wait.push(make_pair(nowcost + 1, make_pair(nexti, nextj))); canGo[nexti][nextj] = true; } } } if (ans == 0) cout << ans; else cout << ans + 1 << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; #define INF 1000000 // aizu 200??? //??±???????????¢?´¢??§?????????????????? //???????????????????????¢?´¢??§???????????? int h, w; int di[4] = {0, 1, 0, -1}; int dj[4] = {1, 0, -1, 0}; int main() { while (1) { cin >> w >> h; if (w == 0) break; vector<vector<bool>> canGo(2 * h + 2, vector<bool>(2 * w + 2, true)); for (int i = 1; i <= 2 * h - 1; i++) { for (int j = 1; j <= 2 * w - 1; j++) { canGo[i][j] = false; } } //??\??? for (int i = 1; i <= 2 * h - 1; i++) { if (i % 2 == 1) { for (int j = 2; j <= 2 * w - 1; j += 2) { bool input; cin >> input; canGo[i][j] = input; } } else { for (int j = 1; j <= 2 * w - 1; j += 2) { bool input; cin >> input; canGo[i][j] = input; } } } //??\??????????????¢?´¢ queue<pair<int, pair<int, int>>> wait; wait.push(make_pair(0, make_pair(1, 1))); canGo[1][1] = true; //??\??????????????? int ans = 0; // ans???0??§????????? while (!wait.empty()) { //?????\???????????????????????§ //?????\????????????????´???????????????? int nowcost = wait.front().first; int nowi = wait.front().second.first; int nowj = wait.front().second.second; // cout << nowcost << " " << nowi << " " << nowj << endl; wait.pop(); //??´?????????????????????????????????????????????????????? if (nowi == 2 * h - 1 && nowj == 2 * w - 1) { ans = nowcost; break; } //??????????????¢?´¢ for (int k = 0; k < 4; k++) { int nexti = nowi + 2 * di[k]; int nextj = nowj + 2 * dj[k]; //?????????????????????????????? if (canGo[nowi + di[k]][nowj + dj[k]] == 0 && canGo[nexti][nextj] == 0) { //????????????????????\??????????????? //??????????´¢???????????¨?????????????£???§????????? wait.push(make_pair(nowcost + 1, make_pair(nexti, nextj))); canGo[nexti][nextj] = true; } } } if (ans == 0) cout << ans << endl; else cout << ans + 1 << endl; } return 0; }
[["+", 8, 9, 0, 57, 64, 1, 0, 16, 17, 151], ["+", 8, 9, 0, 57, 64, 1, 0, 16, 12, 22]]
1
529
#include <iostream> #include <queue> #include <string.h> using namespace std; typedef pair<int, int> P; bool wall[30][30][4]; int dis[30][30]; int dx[4] = {1, 0, -1, 0}, dy[4] = {0, -1, 0, 1}; int main() { while (true) { int n, m; cin >> n >> m; if (n == 0 && m == 0) break; memset(wall, 0, sizeof(wall)); memset(dis, 0, sizeof(dis)); for (int i = 0; i < (m * 2) - 1; i++) { if (i % 2 == 0) { for (int j = 0; j < n - 1; j++) { int w; cin >> w; if (w == 1) { wall[i / 2][j][0] = 1; wall[i / 2][j + 1][2] = 1; } } } else { for (int j = 0; j < n; j++) { int w; cin >> w; if (w == 1) { wall[i / 2][j][3] = 1; wall[(i / 2) + 1][j][1] = 1; } } } } queue<P> que; que.push(P(0, 0)); dis[0][0] = 1; while (que.size()) { P p = que.front(); que.pop(); if (p.first == (n - 1) && p.second == (m - 1)) break; for (int i = 0; i < 4; i++) { int nx = p.first + dx[i], ny = p.second + dy[i]; if (0 <= nx && nx < n && 0 <= ny && ny < m && dis[ny][nx] == 0 && wall[p.second][p.first][i] == 0) { que.push(P(nx, ny)); dis[ny][nx] = dis[p.second][p.first] + 1; } } } if (dis[m - 1][n - 1] == 0) { cout << -1 << endl; } else { cout << dis[m - 1][n - 1] << endl; } } return 0; }
#include <iostream> #include <queue> #include <string.h> using namespace std; typedef pair<int, int> P; bool wall[30][30][4]; int dis[30][30]; int dx[4] = {1, 0, -1, 0}, dy[4] = {0, -1, 0, 1}; int main() { while (true) { int n, m; cin >> n >> m; if (n == 0 && m == 0) break; memset(wall, 0, sizeof(wall)); memset(dis, 0, sizeof(dis)); for (int i = 0; i < (m * 2) - 1; i++) { if (i % 2 == 0) { for (int j = 0; j < n - 1; j++) { int w; cin >> w; if (w == 1) { wall[i / 2][j][0] = 1; wall[i / 2][j + 1][2] = 1; } } } else { for (int j = 0; j < n; j++) { int w; cin >> w; if (w == 1) { wall[i / 2][j][3] = 1; wall[(i / 2) + 1][j][1] = 1; } } } } queue<P> que; que.push(P(0, 0)); dis[0][0] = 1; while (que.size()) { P p = que.front(); que.pop(); if (p.first == (n - 1) && p.second == (m - 1)) break; for (int i = 0; i < 4; i++) { int nx = p.first + dx[i], ny = p.second + dy[i]; if (0 <= nx && nx < n && 0 <= ny && ny < m && dis[ny][nx] == 0 && wall[p.second][p.first][i] == 0) { que.push(P(nx, ny)); dis[ny][nx] = dis[p.second][p.first] + 1; } } } if (dis[m - 1][n - 1] == 0) { cout << 0 << endl; } else { cout << dis[m - 1][n - 1] << endl; } } return 0; }
[["-", 64, 9, 0, 1, 0, 16, 31, 16, 12, 13], ["+", 64, 9, 0, 1, 0, 16, 31, 16, 12, 13]]
1
538
#include <algorithm> #include <cctype> #include <climits> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; } template <class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str(); } typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<string> vs; typedef pair<int, int> pii; typedef long long ll; #define ALL(a) (a).begin(), (a).end() #define RALL(a) (a).rbegin(), (a).rend() #define EACH(t, i, c) for (t::iretator i = (c).begin(); i != (c).end(); ++i) #define EXIST(s, e) ((s).find(e) != (s).end()) #define FOR(i, a, b) for (int i = (a); i <= (b); ++i) #define REP(i, n) FOR(i, 0, n - 1) const double EPS = 1e-10; const double PI = acos(-1.0); #include <complex> typedef complex<double> P; struct L { P a, b; L(const P &a, const P &b) : a(a), b(b) {} }; struct C { P p; double r; C(const P p, double r) : p(p), r(r) {} }; double dot(P a, P b) { return real(conj(a) * b); } double cross(P a, P b) { return imag(conj(a) * b); } bool LLcross(L l1, L l2) { return abs(cross(l1.b - l1.a, l2.b - l2.a)) > EPS || abs(cross(l1.b - l1.a, l2.b - l1.a)) < EPS; } double dist(P p1, P p2) { return sqrt((p2.real() - p1.real()) * (p2.real() - p1.real()) + (p2.imag() - p1.imag()) * (p2.imag() - p1.imag())); } const int UE = 1; const int MIGI = 2; const int SHITA = 4; const int HIDARI = 8; const int CHECK = 16; int dx[] = {-1, 0, 1, 0}; int dy[] = {0, 1, 0, -1}; int dk[] = {UE, MIGI, SHITA, HIDARI}; struct state { int x, y, t; state(int x, int y, int t) : x(x), y(y), t(t){}; }; int main() { int w, h; while (cin >> w >> h, w) { vvi field(h, vi(w)); REP(i, w) { field[0][i] += UE; field[h - 1][i] += SHITA; } REP(i, h) { field[i][0] += HIDARI; field[i][w - 1] += MIGI; } int tmp; REP(i, 2 * h - 1) { if (i % 2 == 0) { REP(j, w - 1) { cin >> tmp; if (tmp) { field[i / 2][j] += MIGI; field[i / 2][j + 1] += HIDARI; } } } else { REP(j, w) { cin >> tmp; if (tmp) { field[i / 2][j] += SHITA; field[i / 2 + 1][j] += UE; } } } } queue<state> Q; Q.push(state(0, 0, 1)); field[0][0] += CHECK; int ans = -1; while (!Q.empty()) { state s = Q.front(); Q.pop(); if (s.x == h - 1 && s.y == w - 1) { ans = s.t; goto out; } REP(d, 4) { if (field[s.x][s.y] & dk[d]) { } else { if (!(field[s.x + dx[d]][s.y + dy[d]] & CHECK)) { Q.push(state(s.x + dx[d], s.y + dy[d], s.t + 1)); field[s.x + dx[d]][s.y + dy[d]] += CHECK; } } } } out: cout << ans << endl; } return 0; }
#include <algorithm> #include <cctype> #include <climits> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; } template <class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str(); } typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<string> vs; typedef pair<int, int> pii; typedef long long ll; #define ALL(a) (a).begin(), (a).end() #define RALL(a) (a).rbegin(), (a).rend() #define EACH(t, i, c) for (t::iretator i = (c).begin(); i != (c).end(); ++i) #define EXIST(s, e) ((s).find(e) != (s).end()) #define FOR(i, a, b) for (int i = (a); i <= (b); ++i) #define REP(i, n) FOR(i, 0, n - 1) const double EPS = 1e-10; const double PI = acos(-1.0); #include <complex> typedef complex<double> P; struct L { P a, b; L(const P &a, const P &b) : a(a), b(b) {} }; struct C { P p; double r; C(const P p, double r) : p(p), r(r) {} }; double dot(P a, P b) { return real(conj(a) * b); } double cross(P a, P b) { return imag(conj(a) * b); } bool LLcross(L l1, L l2) { return abs(cross(l1.b - l1.a, l2.b - l2.a)) > EPS || abs(cross(l1.b - l1.a, l2.b - l1.a)) < EPS; } double dist(P p1, P p2) { return sqrt((p2.real() - p1.real()) * (p2.real() - p1.real()) + (p2.imag() - p1.imag()) * (p2.imag() - p1.imag())); } const int UE = 1; const int MIGI = 2; const int SHITA = 4; const int HIDARI = 8; const int CHECK = 16; int dx[] = {-1, 0, 1, 0}; int dy[] = {0, 1, 0, -1}; int dk[] = {UE, MIGI, SHITA, HIDARI}; struct state { int x, y, t; state(int x, int y, int t) : x(x), y(y), t(t){}; }; int main() { int w, h; while (cin >> w >> h, w) { vvi field(h, vi(w)); REP(i, w) { field[0][i] += UE; field[h - 1][i] += SHITA; } REP(i, h) { field[i][0] += HIDARI; field[i][w - 1] += MIGI; } int tmp; REP(i, 2 * h - 1) { if (i % 2 == 0) { REP(j, w - 1) { cin >> tmp; if (tmp) { field[i / 2][j] += MIGI; field[i / 2][j + 1] += HIDARI; } } } else { REP(j, w) { cin >> tmp; if (tmp) { field[i / 2][j] += SHITA; field[i / 2 + 1][j] += UE; } } } } queue<state> Q; Q.push(state(0, 0, 1)); field[0][0] += CHECK; int ans = 0; while (!Q.empty()) { state s = Q.front(); Q.pop(); if (s.x == h - 1 && s.y == w - 1) { ans = s.t; goto out; } REP(d, 4) { if (field[s.x][s.y] & dk[d]) { } else { if (!(field[s.x + dx[d]][s.y + dy[d]] & CHECK)) { Q.push(state(s.x + dx[d], s.y + dy[d], s.t + 1)); field[s.x + dx[d]][s.y + dy[d]] += CHECK; } } } } out: cout << ans << endl; } return 0; }
[["-", 0, 52, 8, 9, 0, 43, 49, 50, 51, 13], ["+", 0, 52, 8, 9, 0, 43, 49, 50, 51, 13]]
1
994
#include <algorithm> #include <cstdio> #include <iostream> #include <map> #include <queue> #include <string> #include <vector> using namespace std; #define reps(i, f, n) for (int i = f; i < int(n); i++) #define rep(i, n) reps(i, 0, n) typedef vector<int> vi; typedef vector<vi> vii; typedef pair<int, int> pii; class T { public: int x, y, ans; T(int x, int y, int ans) : x(x), y(y), ans(ans) {} }; int main() { int w, h; A: cin >> w >> h; if (w == 0) return 0; int t[31][31] = {0}; int z[31][31] = {0}; rep(i, h) { rep(j, w - 1) { cin >> t[j][i]; } if (i != h - 1) rep(j, w) { cin >> z[j][i]; } } /* rep(i,h){ rep(j,w)printf("%d ",t[i][j]);puts(""); rep(j,w)printf("%d ",y[i][j]);puts(""); puts(""); }*/ queue<T> que; que.push(T(0, 0, 0)); int visit[31][31] = {0}; int ans = -2; while (1) { if (que.empty()) break; T u = que.front(); que.pop(); if (visit[u.x][u.y] == 1) continue; visit[u.x][u.y] = 1; if (u.x == w - 1 && u.y == h - 1) { ans = u.ans; break; } int x = u.x; int y = u.y; if (x < w - 1 && t[x][y] != 1) que.push(T(x + 1, y, u.ans + 1)); if (y < h - 1 && z[x][y] != 1) que.push(T(x, y + 1, u.ans + 1)); if (x > 0 && t[x - 1][y] != 1) que.push(T(x - 1, y, u.ans + 1)); if (y > 0 && z[x][y - 1] != 1) que.push(T(x, y - 1, u.ans + 1)); } printf("%d\n", ans + 1); goto A; }
#include <algorithm> #include <cstdio> #include <iostream> #include <map> #include <queue> #include <string> #include <vector> using namespace std; #define reps(i, f, n) for (int i = f; i < int(n); i++) #define rep(i, n) reps(i, 0, n) typedef vector<int> vi; typedef vector<vi> vii; typedef pair<int, int> pii; class T { public: int x, y, ans; T(int x, int y, int ans) : x(x), y(y), ans(ans) {} }; int main() { int w, h; A: cin >> w >> h; if (w == 0) return 0; int t[31][31] = {0}; int z[31][31] = {0}; rep(i, h) { rep(j, w - 1) { cin >> t[j][i]; } if (i != h - 1) rep(j, w) { cin >> z[j][i]; } } /* rep(i,h){ rep(j,w)printf("%d ",t[i][j]);puts(""); rep(j,w)printf("%d ",y[i][j]);puts(""); puts(""); }*/ queue<T> que; que.push(T(0, 0, 0)); int visit[31][31] = {0}; int ans = -1; while (1) { if (que.empty()) break; T u = que.front(); que.pop(); if (visit[u.x][u.y] == 1) continue; visit[u.x][u.y] = 1; if (u.x == w - 1 && u.y == h - 1) { ans = u.ans; break; } int x = u.x; int y = u.y; if (x < w - 1 && t[x][y] != 1) que.push(T(x + 1, y, u.ans + 1)); if (y < h - 1 && z[x][y] != 1) que.push(T(x, y + 1, u.ans + 1)); if (x > 0 && t[x - 1][y] != 1) que.push(T(x - 1, y, u.ans + 1)); if (y > 0 && z[x][y - 1] != 1) que.push(T(x, y - 1, u.ans + 1)); } printf("%d\n", ans + 1); goto A; }
[["-", 0, 14, 8, 9, 0, 43, 49, 50, 51, 13], ["+", 0, 14, 8, 9, 0, 43, 49, 50, 51, 13]]
1
521
#include <bits/stdc++.h> #include <cxxabi.h> using namespace std; using ll = long long; using vi = vector<int>; using vvi = vector<vi>; using pii = pair<int, int>; #define rep(i, n) range(i, 0, n) #define range(i, a, n) for (int i = a; i < n; i++) #define all(a) a.begin(), a.end() #define LINF ((ll)1ll < 60) #define INF ((int)1 << 30) #define EPS (1e-9) #define MOD (1000000007) template <class S, class T> ostream &operator<<(ostream &os, pair<S, T> p) { os << "[" << p.first << ", " << p.second << "]"; return os; }; template <class S> auto &operator<<(ostream &os, vector<S> t) { bool b = 1; for (auto s : t) os << (exchange(b, 0) || strlen(abi::__cxa_demangle(typeid(S).name(), 0, 0, 0)) > 20 ? "" : " ") << s; return os << endl; } using Node = tuple<int, int, int, double>; // L,R,W,X vector<Node> node; vvi edge; bool isStable(int p) { int L, R, W; double X; tie(L, R, W, X) = node[p]; X *= W; bool ok = true; for (auto child : edge[p]) { int l, r, w; double x; ok &= isStable(child); tie(l, r, w, x) = node[child]; W += w; X += w * x; } X /= W; node[p] = Node(L, R, W, X); return ok and L < X and X < R; } int main() { cin.tie(0); ios::sync_with_stdio(false); int w, h; while (cin >> w >> h, w) { node.clear(); edge.clear(); vector<string> input(h); vvi field(h, vi(w, -1)); rep(i, h) cin >> input[i]; rep(i, h) rep(j, w) if (input[i][j] != '.') { int L = 100, R = 0, W = 0; double X = 0; vi N(60, 0); char tgt = input[i][j]; queue<pii> q; q.emplace(i, j); while (!q.empty()) { int y, x; tie(y, x) = q.front(); q.pop(); if (input[y][x] == '.') continue; W++; N[x]++; input[y][x] = '.'; field[y][x] = node.size(); int v[] = {1, 0, -1, 0}; rep(k, 4) { int ny = y + v[k], nx = x + v[k ^ 1]; if (ny < 0 or nx < 0 or ny >= h or nx >= w or input[ny][nx] != tgt) continue; q.emplace(ny, nx); } } rep(i, 60) { X += (i + 0.5) * N[i]; } node.emplace_back(L, R, W, X / W); } int n = node.size(), p = -1; edge.resize(n); range(i, 1, h) rep(j, w) { if (field[i][j] != -1 and field[i - 1][j] != -1 and field[i - 1][j] != field[i][j]) { edge[field[i][j]].push_back(field[i - 1][j]); get<0>(node[field[i - 1][j]]) = min(get<0>(node[field[i - 1][j]]), j); get<1>(node[field[i - 1][j]]) = max(get<1>(node[field[i - 1][j]]), j + 1); } if (i == h - 1 and field[i][j] != -1) { p = field[i][j]; get<0>(node[p]) = min(get<0>(node[p]), j); get<1>(node[p]) = max(get<1>(node[p]), j); } } for (auto &e : edge) { sort(all(e)); e.erase(unique(all(e)), e.end()); } cout << (isStable(p) ? "STABLE" : "UNSTABLE") << endl; } return 0; }
#include <bits/stdc++.h> #include <cxxabi.h> using namespace std; using ll = long long; using vi = vector<int>; using vvi = vector<vi>; using pii = pair<int, int>; #define rep(i, n) range(i, 0, n) #define range(i, a, n) for (int i = a; i < n; i++) #define all(a) a.begin(), a.end() #define LINF ((ll)1ll < 60) #define INF ((int)1 << 30) #define EPS (1e-9) #define MOD (1000000007) template <class S, class T> ostream &operator<<(ostream &os, pair<S, T> p) { os << "[" << p.first << ", " << p.second << "]"; return os; }; template <class S> auto &operator<<(ostream &os, vector<S> t) { bool b = 1; for (auto s : t) os << (exchange(b, 0) || strlen(abi::__cxa_demangle(typeid(S).name(), 0, 0, 0)) > 20 ? "" : " ") << s; return os << endl; } using Node = tuple<int, int, int, double>; // L,R,W,X vector<Node> node; vvi edge; bool isStable(int p) { int L, R, W; double X; tie(L, R, W, X) = node[p]; X *= W; bool ok = true; for (auto child : edge[p]) { int l, r, w; double x; ok &= isStable(child); tie(l, r, w, x) = node[child]; W += w; X += w * x; } X /= W; node[p] = Node(L, R, W, X); return ok and L < X and X < R; } int main() { cin.tie(0); ios::sync_with_stdio(false); int w, h; while (cin >> w >> h, w) { node.clear(); edge.clear(); vector<string> input(h); vvi field(h, vi(w, -1)); rep(i, h) cin >> input[i]; rep(i, h) rep(j, w) if (input[i][j] != '.') { int L = 100, R = 0, W = 0; double X = 0; vi N(60, 0); char tgt = input[i][j]; queue<pii> q; q.emplace(i, j); while (!q.empty()) { int y, x; tie(y, x) = q.front(); q.pop(); if (input[y][x] == '.') continue; W++; N[x]++; input[y][x] = '.'; field[y][x] = node.size(); int v[] = {1, 0, -1, 0}; rep(k, 4) { int ny = y + v[k], nx = x + v[k ^ 1]; if (ny < 0 or nx < 0 or ny >= h or nx >= w or input[ny][nx] != tgt) continue; q.emplace(ny, nx); } } rep(i, 60) { X += (i + 0.5) * N[i]; } node.emplace_back(L, R, W, X / W); } int n = node.size(), p = -1; edge.resize(n); range(i, 1, h) rep(j, w) { if (field[i][j] != -1 and field[i - 1][j] != -1 and field[i - 1][j] != field[i][j]) { edge[field[i][j]].push_back(field[i - 1][j]); get<0>(node[field[i - 1][j]]) = min(get<0>(node[field[i - 1][j]]), j); get<1>(node[field[i - 1][j]]) = max(get<1>(node[field[i - 1][j]]), j + 1); } if (i == h - 1 and field[i][j] != -1) { p = field[i][j]; get<0>(node[p]) = min(get<0>(node[p]), j); get<1>(node[p]) = max(get<1>(node[p]), j + 1); } } for (auto &e : edge) { sort(all(e)); e.erase(unique(all(e)), e.end()); } cout << (isStable(p) ? "STABLE" : "UNSTABLE") << endl; } return 0; }
[["+", 0, 11, 12, 2, 3, 4, 0, 16, 17, 72], ["+", 0, 11, 12, 2, 3, 4, 0, 16, 12, 13]]
1
1,076
#include <algorithm> #include <queue> #include <stdio.h> using namespace std; char str[60][11]; int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; int S[60][11]; int e[200][200]; int L[200]; int R[200]; int Z[200]; int p; bool ret; struct wolf { int v[10]; wolf() { for (int i = 0; i < 10; i++) v[i] = 0; } }; wolf dat[200]; wolf dfs(int a, int b) { // printf("%d\n",a); wolf W = dat[a]; for (int i = 0; i < p; i++) if (e[a][i] && i != b) { wolf V = dfs(i, a); for (int j = 0; j < 10; j++) W.v[j] += V.v[j]; } double ave = 0; int div = 0; for (int i = 0; i < 10; i++) { ave += (0.5 + i) * W.v[i]; div += W.v[i]; } ave /= div; // printf("%f %d %d\n",ave,L[a],R[a]); if (ave < 0.00000001 + L[a] || ave > 0.9999999 + R[a]) ret = false; return W; } int main() { int a, b; while (scanf("%d%d", &b, &a), a) { ret = true; for (int i = 0; i < a; i++) { scanf("%s", str[a - 1 - i]); for (int j = 0; j < b; j++) S[i][j] = 0; } p = 1; for (int i = 0; i < a; i++) { for (int j = 0; j < b; j++) { if (str[i][j] != '.' && S[i][j] == 0) { queue<pair<int, int>> Q; Q.push(make_pair(i, j)); S[i][j] = p; while (Q.size()) { int row = Q.front().first; int col = Q.front().second; Q.pop(); for (int k = 0; k < 4; k++) if (0 <= row + dx[k] && row + dx[k] < a && 0 <= col + dy[k] && col + dy[k] < b && str[row][col] == str[row + dx[k]][col + dy[k]] && !S[row + dx[k]][col + dy[k]]) { S[row + dx[k]][col + dy[k]] = p; Q.push(make_pair(row + dx[k], col + dy[k])); } } p++; } } } for (int i = 0; i < p; i++) for (int j = 0; j < p; j++) e[i][j] = 0; for (int i = 0; i < a; i++) for (int j = 0; j < b; j++) for (int k = 0; k < 4; k++) if (0 <= i + dx[k] && i + dx[k] < a && 0 <= j + dy[k] && j + dy[k] < b && S[i][j] && S[i + dx[k]][j + dy[k]] && S[i][j] != S[i + dx[k]][j + dy[k]]) { e[S[i][j]][S[i + dx[k]][j + dy[k]]] = 1; } for (int i = 0; i < p; i++) { L[i] = 100; R[i] = -1; Z[i] = -1; dat[i] = wolf(); } for (int i = 0; i < a; i++) { for (int j = 0; j < b; j++) { if (!S[i][j]) continue; if (i == 0 || (S[i - 1][j] && S[i - 1][j] != S[i][j])) { Z[S[i][j]] = i; L[S[i][j]] = min(L[S[i][j]], j); R[S[i][j]] = max(R[S[i][j]], j); } dat[S[i][j]].v[j]++; } } for (int i = 0; i < b; i++) if (S[0][i]) { dfs(S[0][i], -1); break; } if (ret) printf("STABLE\n"); else printf("UNSTABLE\n"); } }
#include <algorithm> #include <queue> #include <stdio.h> using namespace std; char str[60][11]; int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; int S[60][11]; int e[200][200]; int L[200]; int R[200]; int Z[200]; int p; bool ret; struct wolf { int v[10]; wolf() { for (int i = 0; i < 10; i++) v[i] = 0; } }; wolf dat[200]; wolf dfs(int a, int b) { // printf("%d\n",a); wolf W = dat[a]; for (int i = 0; i < p; i++) if (e[a][i] && i != b) { wolf V = dfs(i, a); for (int j = 0; j < 10; j++) W.v[j] += V.v[j]; } double ave = 0; int div = 0; for (int i = 0; i < 10; i++) { ave += (0.5 + i) * W.v[i]; div += W.v[i]; } ave /= div; // printf("%f %d %d\n",ave,L[a],R[a]); if (ave < 0.00000001 + L[a] || ave > 0.9999999 + R[a]) ret = false; return W; } int main() { int a, b; while (scanf("%d%d", &b, &a), a) { ret = true; for (int i = 0; i < a; i++) { scanf("%s", str[a - 1 - i]); for (int j = 0; j < b; j++) S[i][j] = 0; } p = 1; for (int i = 0; i < a; i++) { for (int j = 0; j < b; j++) { if (str[i][j] != '.' && S[i][j] == 0) { queue<pair<int, int>> Q; Q.push(make_pair(i, j)); S[i][j] = p; while (Q.size()) { int row = Q.front().first; int col = Q.front().second; Q.pop(); for (int k = 0; k < 4; k++) if (0 <= row + dx[k] && row + dx[k] < a && 0 <= col + dy[k] && col + dy[k] < b && str[row][col] == str[row + dx[k]][col + dy[k]] && !S[row + dx[k]][col + dy[k]]) { S[row + dx[k]][col + dy[k]] = p; Q.push(make_pair(row + dx[k], col + dy[k])); } } p++; } } } for (int i = 0; i < p; i++) for (int j = 0; j < p; j++) e[i][j] = 0; for (int i = 0; i < a; i++) for (int j = 0; j < b; j++) for (int k = 0; k < 1; k++) if (0 <= i + dx[k] && i + dx[k] < a && 0 <= j + dy[k] && j + dy[k] < b && S[i][j] && S[i + dx[k]][j + dy[k]] && S[i][j] != S[i + dx[k]][j + dy[k]]) { e[S[i][j]][S[i + dx[k]][j + dy[k]]] = 1; } for (int i = 0; i < p; i++) { L[i] = 100; R[i] = -1; Z[i] = -1; dat[i] = wolf(); } for (int i = 0; i < a; i++) { for (int j = 0; j < b; j++) { if (!S[i][j]) continue; if (i == 0 || (S[i - 1][j] && S[i - 1][j] != S[i][j])) { Z[S[i][j]] = i; L[S[i][j]] = min(L[S[i][j]], j); R[S[i][j]] = max(R[S[i][j]], j); } dat[S[i][j]].v[j]++; } } for (int i = 0; i < b; i++) if (S[0][i]) { dfs(S[0][i], -1); break; } if (ret) printf("STABLE\n"); else printf("UNSTABLE\n"); } }
[["-", 0, 7, 8, 7, 8, 7, 15, 16, 12, 13], ["+", 0, 7, 8, 7, 8, 7, 15, 16, 12, 13]]
1
1,150
#include <algorithm> #include <array> #include <iostream> #include <numeric> using namespace std; #define all(c) (c).begin(), (c).end() template <class ForwardIt> pair<ForwardIt, ForwardIt> sieve(ForwardIt begin, ForwardIt end) { return make_pair( begin, (*begin) * (*begin) <= *end ? sieve(begin + 1, remove_if(begin + 1, end, [=](int x) { return x % *begin == 0; })) .second : end); } int main() { constexpr size_t N = 123456 * 2; array<int, N> p; iota(all(p), 2); auto itr = sieve(all(p)); int n; while (cin >> n, n) cout << upper_bound(itr.first, itr.second, n + n) - upper_bound(itr.first, itr.second, n) << '\n'; return 0; }
#include <algorithm> #include <array> #include <iostream> #include <numeric> using namespace std; #define all(c) (c).begin(), (c).end() template <class ForwardIt> pair<ForwardIt, ForwardIt> sieve(ForwardIt begin, ForwardIt end) { return make_pair( begin, (*begin) * (*begin) <= *(end - 1) ? sieve(begin + 1, remove_if(begin + 1, end, [=](int x) { return x % *begin == 0; })) .second : end); } int main() { constexpr size_t N = 123456 * 2; array<int, N> p; iota(all(p), 2); auto itr = sieve(all(p)); int n; while (cin >> n, n) cout << upper_bound(itr.first, itr.second, n + n) - upper_bound(itr.first, itr.second, n) << '\n'; return 0; }
[["+", 0, 41, 15, 16, 12, 66, 28, 23, 0, 24], ["+", 15, 16, 12, 66, 28, 23, 0, 16, 17, 33], ["+", 15, 16, 12, 66, 28, 23, 0, 16, 12, 13], ["+", 0, 41, 15, 16, 12, 66, 28, 23, 0, 25]]
1
187
#include <bits/stdc++.h> using namespace std; #define for_(i, a, b) for (int i = (a); i < (b); ++i) int isp[300000], cnt[300000]; int main() { memset(cnt, 0, sizeof(cnt)); memset(isp, 0, sizeof(isp)); for_(i, 2, 300000) { if (isp[i] == 0) { ++cnt[i]; for (int j = 2 * i; j < 300000; j += i) isp[j] = 1; } cnt[i] += cnt[i - 1]; } int n; while (cin >> n) { cout << cnt[2 * n] - cnt[n] << endl; } }
#include <bits/stdc++.h> using namespace std; #define for_(i, a, b) for (int i = (a); i < (b); ++i) int isp[300000], cnt[300000]; int main() { memset(cnt, 0, sizeof(cnt)); memset(isp, 0, sizeof(isp)); for_(i, 2, 300000) { if (isp[i] == 0) { ++cnt[i]; for (int j = 2 * i; j < 300000; j += i) isp[j] = 1; } cnt[i] += cnt[i - 1]; } int n; while (cin >> n, n) { cout << cnt[2 * n] - cnt[n] << endl; } }
[["+", 8, 9, 0, 52, 15, 339, 51, 34, 0, 21], ["+", 8, 9, 0, 52, 15, 339, 51, 34, 12, 22]]
1
148