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Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> #pragma GCC optimize(3) using namespace std; const int INF = 0x3f3f3f3f; const int N = 2e5 + 10; const long long mod = 1000000007; const double eps = 1e-9; const double PI = acos(-1); template <typename T> inline void read(T &a) { char c = getchar(); T x = 0, f = 1; while (!isdigit(c)) { ...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; int mem[50010][3]; string str; int N; int valid(int i, int p) { int &val = mem[i][p]; if (val >= 0) return val; if (i >= N) return 1; if (i == N - 1) return 0; string pr = str.substr(i - p, p); string cur = str.substr(i, 2); val = 0; if (pr != cur && valid(i...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; const int NMAX = 10005; int n, dp[2][NMAX]; char s[NMAX]; set<string> S; string Str(int x, int y) { string aux = ""; for (int i = x; i <= y; i++) aux += s[i]; return aux; } int main() { int i, j, l; cin.sync_with_stdio(false); cin >> (s + 1); n = strlen(s + 1)...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; const int inf = (int)1e9 + 100; const long double eps = 1e-11; const long double pi = acos(-1.0L); int myrand() { return rand(); } unsigned rdtsc() { unsigned ans; asm("rdtsc" : "=a"(ans)); return ans; } int rnd(int x) { return myrand() % x; } void precalc() {} const ...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; const int maxn = 1e4 + 10; string s; set<string> ans; int dp[4][maxn]; int main() { cin >> s; ans.clear(); int len = s.length(); if (len >= 7) ans.insert(s.substr(len - 2, 2)); if (len >= 8) ans.insert(s.substr(len - 3, 3)); reverse(s.begin(), s.end()); memset...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
'''ACCEPTED''' import sys pow2 = pow # for modular expo pow2(base, n, mod) from math import * from time import time from collections import defaultdict from bisect import bisect_right, bisect_left from string import ascii_lowercase as lcs from string import ascii_uppercase as ucs from fractions import Fra...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; int DP[10005][2]; int main() { string a; cin >> a; set<string> Ans; DP[a.length() - 2][0] = 1; DP[a.length() - 2][1] = 0; DP[a.length() - 3][0] = 0; DP[a.length() - 3][1] = 1; if (a.length() >= 7) Ans.insert(a.substr(a.length() - 2, 2)); if (a.length() >= ...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; const int mn = INT_MIN; const int mx = INT_MAX; const int mod = 1000000007; bool dp[10004]; set<string> st; int main() { ios::sync_with_stdio(0); cin.tie(NULL); memset(dp, 0, sizeof(dp)); string s; cin >> s; reverse(s.begin(), s.end()); dp[1] = 1; dp[2] = 1;...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; set<string> ans; vector<bool> dp2(s.length() + 10, false), dp3(s.length() + 10, false); dp2[s.length()] = dp3[s.length()] = true; for (int n = s.length() - 2; n >= 5; n--) { if (dp2[n] = (dp3[n + 2] || (dp2[...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; int dp[10010][4]; string s; set<string> v; int dfs(int x, int d) { if (x == s.size()) { return 1; } if (dp[x][d] != -1) return dp[x][d]; int ans = 0; for (int i = 2; i <= 3; i++) { if (x + i > s.size()) continue; if (i == d and s.substr(x - d, d) == s....
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; int l = s.size(); bool app[l + 2][2]; for (int i = 0; i < l + 2; i++) { app[i][0] = false; app[i][1] = false; } app[l - 1][0] = false; app[l - 1][1] = false; app[l - 2][0] = true; app[l - 2][1] = false; app[l - ...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> int N, f[10001], g[10001], h[10001]; char a[10002]; int main() { scanf("%s", a + 1); while (a[N + 1]) N++; f[N] = 1; for (int i = N; i >= 7; i--) { if (f[i]) { g[i - 2] = 1; h[i - 3] = 1; } if (g[i]) { if (a[i - 1] != a[i + 1] || a[i] != a[i + 2]) g[i - 2] ...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
s = input() s = s[5:] if len(s) < 2: print(0) elif len(s) == 2: print(1) print(s) elif len(s) == 3: print(2) for suff in sorted([s, s[-2:]]): print(suff) else: D = [[False for _ in range(2)] for _ in range(len(s))] suffixes = { s[-2:], s[-3:] } D[-2][0] = True D[-3][1] = T...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; template <typename T> inline void Read(T &x) { int f = 1; char t = getchar(); while (t < '0' || t > '9') { if (t == '-') f = -1; t = getchar(); } x = 0; while (t >= '0' && t <= '9') { x = x * 10 + t - '0'; t = getchar(); } x *= f; } template ...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
import java.io.*; import java.util.*; import static java.lang.Math.*; public class Main { FastScanner in; PrintWriter out; static final String FILE = ""; String s; TreeSet<String> set = new TreeSet<>(); boolean used[][]; void work(int v, int len) { if (v < 5) return...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; long long int max(long long int a, long long int b) { if (a > b) return a; else return b; } long long int min(long long int a, long long int b) { if (a < b) return a; else return b; } const int dx[4] = {-1, 1, 0, 0}; const int dy[4] = {0, 0, -1, 1}; ...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; int main() { string s; ios_base::sync_with_stdio(false); cin >> s; int k, l, i, j; l = s.length(); set<string> my; int dp[l + 1]; dp[l - 2] = 1; dp[l - 3] = 2; if (l <= 6) { cout << 0; return 0; } if (l == 7) { cout << 1 << endl; cout...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; import java.lang.*; public class P666A{ static long mod=1000000007; public static void main(String[] args) throws Exception{ InputReader in = new InputReader(System.in); Print...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; const int maxn = 1e4 + 6; char str[maxn]; int dp[maxn][2]; int n; vector<string> ans; int main() { scanf("%s", str); n = strlen(str); reverse(str, str + n); for (int i = 1; i < n - 5; i++) { if (i == 1) { string s1 = ""; s1 += str[i]; s1 += str...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; int n, l; set<string> ans; string s; map<pair<int, string>, int> mp; bool solve(int idx, string tmp = "") { if (idx >= s.size()) { return 1; } if (mp.count({idx, tmp})) { return mp[{idx, tmp}]; } string s3, s2; bool x3, x2; x3 = x2 = 0; if (idx + 2 <...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.util.Set; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.TreeSet; import java.io.InputStream; /**...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
def get_suffixes(string): if len(string) < 7: return [] suffix_string = string[5:][::-1] result = set() result.add(suffix_string[:2]) dp2 = [1, 0, 1] + [0] * (len(suffix_string) -2) dp3 = [1] + [0] * len(suffix_string) for n in xrange(3, len(suffix_string) + 1): if dp3[n-...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; const int maxn = 10005, inf = 0x3f3f3f3f; const long long llinf = 0x3f3f3f3f3f3f3f3f; const long double pi = acos(-1.0L); string a[maxn * 2]; string s; bool dp[maxn][2]; int main() { cin >> s; int i, len = s.length(), m = 0; memset(dp, 0, sizeof(dp)); for (i = len -...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; string s, s1; set<string> se; bool mark[20000][2]; bool cmp(int i, int j) { if (j >= s.size()) return true; if (s[i] != s[j]) return true; return false; } int main() { ios_base::sync_with_stdio(false); cin >> s; mark[s.size()][2] = true; mark[s.size()][3] = tr...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; const int inf = 0x3f3f3f3f; const long long INF = 2e18; const int N = 11234; int n, m; set<string> st; char s[N]; int dp[N][4]; void dfs(int pos, string pre, int len) { if (pos - 1 < 5) return; if (dp[pos][len]) return; dp[pos][len] = 1; string str = ""; for (int ...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; char str[10024]; bool vis[10024][4]; set<string> ans; set<string>::iterator it; int main() { int len, sum = 0; scanf("%s", str); len = strlen(str); memset(vis, true, sizeof(vis)); vis[len][0] = false; for (int i = len; i >= 5; i--) { for (int j = 0; j < 4; j...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
import sys input = sys.stdin.readline s = input().strip() n = len(s) poss = [[False] * 2 for _ in range(n)] poss[n - 2][0] = poss[n - 3][1] = True for i in range(n - 4, -1, -1): poss[i][0] = s[i: i + 2] != s[i + 2: i + 4] and poss[i + 2][0] or poss[i + 2][1] poss[i][1] = s[i: i + 3] != s[i + 3: i + 6] and pos...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
import java.util.HashSet; import java.util.ArrayList; import java.io.InputStream; import java.io.InputStreamReader; import java.util.List; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.Collections; import java.io.IOException; import java.util.Set; import java.u...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; bool mark[10005][5]; set<string> st; char s[10005]; void go(int len, int bf) { if (mark[len][bf]) return; if (len <= 6) return; mark[len][bf] = true; bool fl = false; if (bf == 2) { fl |= (s[len - 1] != s[len + 1]); fl |= (s[len - 2] != s[len]); } if (...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC optimization("unroll-loops") const int N = 1e4 + 5; const long long int mod = 1e9 + 7; const long long int Mod = 998244353; const long double Pi = acos(-1); const long long int Inf = 4e18; using namespace std; string s; set<string> v; bool dp[N][4]; voi...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; ifstream fin("alfa.in"); ofstream fout("alfa.out"); string s; bool dp[10001][4]; string rasp[20001]; int main() { int i, n, k = 0, rs = 0; cin >> s; n = s.size(); s = s + "000"; if (n >= 7) { dp[n - 2][2] = 1; rasp[++k] = s[n - 2]; rasp[k] += s[n - 1];...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using pii = pair<int, int>; using pll = pair<ll, ll>; template <class T> inline bool Min(T &a, T b) { return a > b ? (a = b, true) : false; } template <class T> inline bool Max(T &a, T b) { return a < b ? (a = b, tru...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; using ull = unsigned long long; using ll = long long; using ld = long double; using vi = vector<ll>; using vvi = vector<vi>; using vb = vector<bool>; using ii = pair<ll, ll>; constexpr bool LOG = true; void Log() { if (LOG) cerr << "\n"; } template <class T, class... S> v...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; const int INF = INT_MAX; const long long INFL = LLONG_MAX; const long double pi = acos(-1); string s; int dp2[10010]; int dp3[10010]; int main() { ios_base::sync_with_stdio(0); cout.precision(15); cout << fixed; cout.tie(0); cin.tie(0); cin >> s; int N = int((...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> const int32_t LETT = 26; const size_t MAX_STR = 20000; char str[MAX_STR]; int32_t strLen; bool occur2[LETT * LETT]; bool occur3[LETT * LETT * LETT]; bool pos2[MAX_STR]; bool pos3[MAX_STR]; int main() { scanf("%s", str); strLen = strlen(str); int32_t code = str[strLen - 1] - 'a' + (str[str...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; vector<vector<int> > dp; set<string> S; string s; vector<vector<string> > Substr; vector<int> Len; int solve(int index, int mode) { if (dp[index][mode] != -1) return dp[index][mode]; if (index + 1 <= 4) return dp[index][mode] = 0; if (Substr[index - 1][2] != Substr[in...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
#include <bits/stdc++.h> using namespace std; long long int dp2[10004] = {0}, dp3[10004] = {0}; set<string> ans; signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); string s, s1, s2; cin >> s; long long int n = s.length(); if (n < 7) { cout << 0 << endl; return 0; } dp2[...
Problem: First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other. For example, you shou...
# Reberland Linguistics import sys word = input() suffixes = set() possible = {(len(word), 2)} my_set = set() while possible: d, x = possible.pop() a = d + x for i in [x, 5 - x]: l = d - i q = (l, i) # if q in my_set or (l < 5) or (word[l:d] == word[d:a]): # break ...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; const double EPS = 1e-8; const double INF = 1e100; struct Point { double x, y; Point() {} Point(double x, double y) : x(x), y(y) {} double abs() const { return hypot(x, y); } double arg() const { return atan2(y, x); } Point operator*(double o) const { return Poi...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; struct point { double x, y; }; double dist(point P, point Q) { double dx = P.x - Q.x, dy = P.y - Q.y; return sqrt(dx * dx + dy * dy); } vector<point> cccross(point O1, double r1, point O2, double r2) { double d = dist(O1, O2); double t = (d * d + r1 * r1 - r2 * r2...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; int n, m, k; bool debug = false; struct Point { double x, y; Point() {} Point(double x, double y) : x(x), y(y) {} double abs() const { return hypot(x, y); } double arg() const { return atan2(y, x); } Point operator*(double o) const { return Point(x * o, y * o); ...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; struct point { double x, y; }; double dist(point P, point Q) { double dx = P.x - Q.x, dy = P.y - Q.y; return sqrt(dx * dx + dy * dy); } vector<point> cccross(point O1, double r1, point O2, double r2) { double d = dist(O1, O2); double t = (d * d + r1 * r1 - r2 * r2...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; double e[4][3], x[10], y[10], tx[4][3], ty[4][3]; bool used[4]; int ans; int sgn(double a) { return a < -1e-8 ? -1 : a > 1e-8 ? 1 : 0; } vector<pair<double, double>> solve(double x1, double y1, double x2, double y2, double l, double l1, do...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; struct point { double x, y; }; double dist(point P, point Q) { double dx = P.x - Q.x, dy = P.y - Q.y; return sqrt(dx * dx + dy * dy); } vector<point> cccross(point O1, double r1, point O2, double r2) { double d = dist(O1, O2); double t = (d * d + r1 * r1 - r2 * r2...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; const double eps = 1e-9; struct Point { double x, y; Point(double _x = 0, double _y = 0) { x = _x; y = _y; } }; int result; Point p[4][3], e[4][3], pts[12]; double dst[12][12]; int permutation[4]; void rotate(Point &p, double d) { double cosd = cos(d); dou...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; complex<double> leer() { double x, y; cin >> x >> y; return complex<double>(x, y); } void leer(double input[3]) { complex<double> in[3]; for (int i = 0; i < 3; i++) in[i] = leer(); for (int i = 0; i < 3; i++) { int nexti = (i + 1) % 3; input[i] = abs(in[...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; const double EPS = 1e-8; const double INF = 1e100; struct Point { double x, y; Point() {} Point(double x, double y) : x(x), y(y) {} double abs() const { return hypot(x, y); } double arg() const { return atan2(y, x); } Point operator*(double o) const { return Poi...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; const double eps = 1e-8; struct P { double x, y; P() {} P(double _x, double _y) : x(_x), y(_y) {} double abs() { return sqrt(x * x + y * y); } P operator+(const P& a) const { return P(x + a.x, y + a.y); } P operator-(const P& a) const { return P(x - a.x, y - a.y...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; struct point { double x, y; }; double dist(point P, point Q) { double dx = P.x - Q.x, dy = P.y - Q.y; return sqrt(dx * dx + dy * dy); } vector<point> crossing(point O1, double r1, point O2, double r2) { double d = dist(O1, O2); double t = (d * d + r1 * r1 - r2 * r...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; const double eps = 1e-8; struct P { double x, y; P() {} P(double _x, double _y) : x(_x), y(_y) {} double abs() { return sqrt(x * x + y * y); } P operator+(const P& a) const { return P(x + a.x, y + a.y); } P operator-(const P& a) const { return P(x - a.x, y - a.y...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; struct point { double x, y; }; double dist(point P, point Q) { double dx = P.x - Q.x, dy = P.y - Q.y; return sqrt(dx * dx + dy * dy); } vector<point> crossing(point O1, double r1, point O2, double r2) { double d = dist(O1, O2); double t = (d * d + r1 * r1 - r2 * r...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; const double eps = 1e-8; struct P { double x, y; P() {} P(double _x, double _y) : x(_x), y(_y) {} double abs() { return sqrt(x * x + y * y); } P operator+(const P& a) const { return P(x + a.x, y + a.y); } P operator-(const P& a) const { return P(x - a.x, y - a.y...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; complex<double> leer() { double x, y; cin >> x >> y; return complex<double>(x, y); } void leer(double input[3]) { complex<double> in[3]; for (int i = 0; i < 3; i++) in[i] = leer(); for (int i = 0; i < 3; i++) { int nexti = (i + 1) % 3; input[i] = abs(in[...
Problem: Little Petya is preparing for the first contact with aliens. He knows that alien spaceships have shapes of non-degenerate triangles and there will be exactly 4 ships. Landing platform for a ship can be made of 3 special columns located at some points of a Cartesian plane such that these 3 points form a triangl...
#include <bits/stdc++.h> using namespace std; const double EPS = 1e-8; const double INF = 1e100; struct Point { double x, y; Point() {} Point(double x, double y) : x(x), y(y) {} double abs() const { return hypot(x, y); } double arg() const { return atan2(y, x); } Point operator*(double o) const { return Poi...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; int minim(int a, int b, int c) { if (a <= b and a <= c) return 1; else if (b <= a and b <= c) return 2; else if (c <= a and c <= b) return 3; else return 0; } int main() { int x, y; cin >> x >> y; int side1, side2, side3; side1 = side2 = side...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; int e[3]; int main() { int x, y; while (~scanf("%d%d", &x, &y)) { int ans = 0; e[1] = e[2] = e[0] = y; while (1) { int t = 0; for (int i = 0; i < 3; i++) { if (e[t] > e[i]) t = i; } e[t] = e[(t + 1) % 3] + e[(t + 2) % 3] - 1 >...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
x, y = map(int, input().split()) a, b, c = y, y, y cnt = 0 while True: if a >= x and b >= x and c >= x: break cnt += 1 if cnt % 3 == 0: a = b+c - 1 elif cnt % 3 == 1: b = c + a - 1 elif cnt % 3 == 2: c = b+a - 1 print(cnt)
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class C { private static final boolean TEST_CASES = false; private static class Solver { void solve(int testCaseNo) { int x = IO.nextInt(); int y = I...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; int solve(int x, int y) { int cnt = 0; int a = y, b = y, c = y; while (a < x || b < x || c < x) { if (a <= b && a <= c) { a = b + c - 1; cnt++; continue; } else if (b <= a && b <= c) { b = a + c - 1; cnt++; continue; } e...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; template <typename tn> inline tn next(void) { tn k; cin >> k; return k; } template <typename tn> inline ostream& operator<<(ostream& os, const vector<tn>& v) { for (unsigned i = 0; i < v.size(); i++) os << v[i] << ' '; return os; } int tri[3]; int main(void) { i...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; void v(int &a, int &b, int &c) { int d; if (c < a) { swap(a, c); } if (c < b) { swap(b, c); } if (a > b) { swap(a, b); } } string s; int main() { int x, y, a[3], ans = 0; cin >> x >> y; a[0] = a[1] = a[2] = y; while (a[0] != x || a[1] != x ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; public class C_MemoryAndDeEvolution_ED { public static void main(String[] args) throws IOException { BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); String[] input = bf....
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.util.Scanner; /** * @author shayan.hati * @since 11/09/16. */ public class MemoryDevolution { public static void main(String[] args) { Scanner scn = new Scanner(System.in); int x = scn.nextInt(); int y = scn.nextInt(); int prev = y; int newVal = y; ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; int main() { int x, y; cin >> x >> y; int besta = y, bestb = y, bestc = y; int turns = 0; while (true) { if (besta >= x && bestb >= x && bestc >= x) { cout << turns << endl; break; } turns++; if (turns % 3 == 1) besta = bestb + bestc - ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#!/usr/bin/env python3.5 import sys def read_data(): return map(int, next(sys.stdin).split()) def solve(f, t): if f > t: f, t = t, f if f == t: return 0 a, b, c = f, f, f count = 0 while a < t: c = min(a + b - 1, t) c, b, a = sorted((a, b, c)) count +=...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.util.Scanner; public class Main { public static void main(String []args){ Scanner scan = new Scanner(System.in); int s = scan.nextInt(), e = scan.nextInt(); int a = e, b = e, c = e; long count = 0; while(a != s || b != s || c != s){ c=a+b-1<s?a+b-1:s; int temp = c; c = b; b = a; ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
x, a = map(int, input().split()) b = c = a res = 0 while a < x: a, b, c = b, c, b + c - 1 res += 1 print(res) # Made By Mostafa_Khaled
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int x, y, ans = 0; cin >> x >> y; int a[3] = {y, y, y}; while (a[0] != x || a[1] != x || a[2] != x) { sort(a, a + 3); int sum = a[1] + a[2]; if (sum - 1 > x) a[0] = x; ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; const long long MOD = 1000000007; void solve() { int x, y, ans = 0; cin >> x >> y; int y1 = y, y2 = y, y3 = y; int x1 = x, x2 = x, x3 = x; while (y1 != x1 && y2 != x2 && y3 != x3) { if (ans % 3 == 0) { if (y2 + y3 - 1 >= x) y1 = x; else ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.util.*; import java.io.*; public class MemoryAndDeEvolution { public static InputReader in; public static PrintWriter out; public static final int MOD = (int) (1e9 + 7); public static void main(String[] args) { in = new InputReader(System.in); out = new PrintWriter(System.o...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
x,y=[int(x) for x in input().split()] a=[y,y,y] c=0 while(True): a.sort() if(a[2]+a[1]>x): break a[0]=a[1]+a[2]-1 c+=1 print(c+3)
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
a, b = input().split() x = int(a) y = int(b) x_v = [y, y, y] result = 0 while (x_v[0] != x) or (x != x_v[1] ) or (x != x_v[2]): x_v.sort() x_v[0] = min(x, x_v[1] + x_v[2] - 1) result += 1 print(result)
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.util.*; import java.io.*; import java.math.*; public class Main { static class Reader { private InputStream mIs;private byte[] buf = new byte[1024];private int curChar,numChars;public Reader() { this(System.in); }public Reader(InputStream is) { mIs = is;} public int read() {if (nu...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import sys y, x = map(int, raw_input().split()) current = [ x, x, x ] goal = [ y, y, y ] steps = 0 while current != goal: best_index, best_value = -1, -1 for i, a in enumerate(current): b, c = current[(i + 1) % 3], current[(i + 2) % 3] x = min(y, b + c - 1) if x > a and x > best_value: ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import math x, y = map(int, input().split()) res = 0 now = [y, y, y] while min(now) < x: res += 1 ind = now.index(min(now)) o1, o2 = (ind + 1) % 3, (ind + 2) % 3 now[ind] = now[o1] + now[o2] - 1 print(res)
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.util.*; import java.io.*; public class sol { /********* SOLUTION STARTS HERE ************/ private static void solve(FastScanner s1, PrintWriter out){ int x = s1.nextInt(); int y = s1.nextInt(); int a[] = new int[3]; for (int i=0;i<3;++i){ a[i] =...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; int main() { long long x, y, a[3], d = 0; cin >> x >> y; a[0] = a[1] = a[2] = y; while (a[0] != x) { a[0] = min(a[2] + a[1] - 1, x); sort(a, a + 3); d++; } cout << d; return 0; }
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.io.*; import java.util.*; public class Main { public static void main(String args[]){ Scanner in = new Scanner(System.in); int x=in.nextInt(); int y=in.nextInt(); int[] a = new int[] {y,y,y}; int recent=0; int count=0; while(a[recent]<x){ count++; if(recent==0){ a[0]=a[1]+a[2]...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.io.*; import java.math.BigInteger; import java.math.RoundingMode; import java.text.DecimalFormat; import java.util.*; import java.util.Map.Entry; public class Palindrome { static double eps=(double)1e-6; static long mod=(int)1e9+7; public static void main(String args[]){ InputReader in = ne...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
s=input().split() a=int(s[0]) b=int(s[1]) count=0 g=0 C=list(range(3)) C[0]=b C[1]=b C[2]=b while C[0]!=a or C[1]!=a or C[2]!=a: if C[1]+C[2]>a: C[0]=a count+=1 g=C[2] C[2]=C[1] C[1]=C[0] C[0]=g else: C[0]=C[1]+C[2]-1 count+=1 g=C[2] C[2]=C[1] C[1]=C[0] C[0]=g print(c...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; int main() { int x, y, ans = 0; cin >> y >> x; vector<int> xa = {x, x, x}; vector<int> ya = {y, y, y}; while (xa != ya) { sort(xa.begin(), xa.end()); int temp = xa[1] + xa[2] - 1; if (temp > y) xa[0] = y; else xa[0] = temp; ans++; ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.io.*; import java.util.*; public class C370 { public static void main(String[] args) throws IOException{ // TODO Auto-generated method stub Scanner sc = new Scanner(new BufferedReader(new InputStreamReader(System.in))); int x,y,a,b,c,ans,t,t2,i; x = sc.nextInt(); y = sc.nextInt(); ans =...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; const int T = 3; const long long MAX = 1000000001; long long n, m, k; int N[T]; int A[T]; int x, y; void foo() { N[0] = min(x, N[1] + N[2] - 1); } int main() { cin >> x >> y; N[0] = N[1] = N[2] = y; int ans = 0; while (N[0] != x || N[1] != x || N[2] != x) { ans+...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; int a[4], k, ans = 0; int main() { scanf("%d%d", &k, &a[1]); a[2] = a[3] = a[1]; if (a[1] + a[2] > k) { printf("3"); return 0; } while (1) { sort(a + 1, a + 4); if (a[1] + a[2] > k) break; else { ans++; a[1] = min(a[3] + a[2] ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; struct sjx { int b[3]; sjx(int x) { for (int i = 0; i < 3; i++) b[i] = x; } bool ok(int x) { for (int i = 0; i < 3; i++) if (b[i] != x) return false; return true; } void change(int x) { sort(b, b + 3); int MAX = b[1] + b[2] - 1; b[0...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.util.Scanner; public class C712 { public static void main(String... xxx){ Scanner sc = new Scanner(System.in); int x = sc.nextInt(), y = sc.nextInt(); int ans = 0; int a = y, b = y, c = y; while (true) { if (a >= x && b >= x && c >= x){System...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; int qmin(int a, int b, int c) { int d = min(a, min(b, c)); if (a == d) return 1; if (b == d) return 2; if (c == d) return 3; } int main() { int x, y; int ans = 0; scanf("%d %d", &x, &y); int a = y, b = y, c = y; while (1) { int op = qmin(a, b, c); ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 7; const int INF = 1e9 + 7; int x, y, e[3]; int calc(int a, int b, int c) { e[0] = a, e[1] = b, e[2] = c; sort(e, e + 3); int ret = 0; while (e[2] != y) { e[2] = max(y, e[1] - e[0] + 1); sort(e, e + 3); ++ret; } return ret; } int ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.io.*; import java.util.*; // this is not good for reading double values. public class third { static long m = 100000007; public static void main(String[] args) throws IOException { Reader r = new Reader(); PrintWriter o = new PrintWriter(System.out, false); // PrintWriter o = new PrintWriter(new ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
# import itertools import bisect # import math from collections import defaultdict import os import sys from io import BytesIO, IOBase # sys.setrecursionlimit(10 ** 5) ii = lambda: int(input()) lmii = lambda: list(map(int, input().split())) slmii = lambda: sorted(map(int, input().split())) li = lambda: list(input()) m...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.io.*; import java.lang.reflect.Array; import java.math.BigDecimal; import java.math.BigInteger; import java.util.*; public class Main { public static void main(String[] args) { InputStream is; OutputStream os; try { is = new FileInputStream("input.txt"); ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual soluti...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
a, b = map(int, input().split()) if(a> b): a, b =b, a l = [a, a, a] # print(l) ans = 0 while(True): if(sum(l) == 3*b): break for i in range(3): if(l[i]<b): temp = sum(l)-l[i] l[i] = min(b, temp-1) ans +=1 if(sum(l) == 3*b): break ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; const double eps = 1e-9; int main() { int num1, num2, cnt, a, b, c; cin >> num1 >> num2; a = b = c = num2; cnt = 0; while (1) { if (a >= num1 && b >= num1 && c >= num1) { cout << cnt << endl; break; } cnt++; if (cnt % 3 == 1) { a ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
x,y = map(int, raw_input().split(' ')) i = j = k = y c = 0 while i != x or j != x or k != x: if i == x: c =c elif x>j+k-1: i = j+k-1 c += 1 elif x<j+k-1: i = x c += 1 if j == x: c = c elif x>i+k-1: j = i+k-1 c += 1 elif x<i+k-1: j = x c += 1 if k == x: c = c elif x>i+j-1: k = i+j-1 ...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
end,start=map(int,raw_input().split()) sides=[] for i in range(3): sides.append(start) count=0 while(1): #print sides if(sides[0],sides[1],sides[2])==(end,end,end): break sides.sort() sides[0]=min(sides[1]+sides[2]-1,end) count+=1 print count
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
#include <bits/stdc++.h> using namespace std; const int MAX = 1e5 + 9; const long long int inf = INT_MAX; bool cmp(pair<int, int> &a, pair<int, int> &b) { return (a.first > b.first); } vector<pair<int, int> > adj[MAX]; long long int dis[MAX]; int par[MAX]; int main() { int q; int n, m; int a[MAX]; int x, y; c...
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
x, y = map(int, input().split()) arr, res = [y, y, y], 0 while arr[0] < x: res += 1 arr[0] = min(arr[1] + arr[2] - 1, x) arr.sort() print(res)
Problem: Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangl...
lst=list(map(int,input().split())) y=lst[1] x=lst[0] res=0 ba,bc,bd=y,y,y while True: if ba>=x and bb>=x and bc>=x: print(res) break res+=1 if res%3==0: ba=bb+bc-1 if res%3==1: bb=ba+bc-1 if res%3==2: bc=bb+ba-1