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#include <bits/stdc++.h> using namespace std; vector<int> vc, ans; set<int> ans1; set<int>::iterator it; int main() { long n, l, r, f1, f2; cin >> n; for (int i = 1; i <= n; i++) { int x; cin >> x; vc.push_back(x); } for (int i = 0; i < n; i++) { int diff = min(abs(1 - vc[i]), abs(1000000 - vc[i])); ans.push_back(diff); } sort(ans.begin(), ans.end()); cout << ans[ans.size() - 1] << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 200200; const int mod = 1e9 + 7; int a[N]; int main() { ios::sync_with_stdio(0); cin.tie(0); int n; cin >> n; for (int i = 1; i <= n; ++i) cin >> a[i]; const int mil = 1e6; int res = min(a[n] - 1, mil - a[1]); for (int i = 1; i < n; ++i) res = min(res, max(a[i] - 1, mil - a[i + 1])); cout << res; return 0; }
#include <bits/stdc++.h> using namespace std; long long int a[2000000]; int main() { long long int n; cin >> n; for (long long int j = 0; j < n; j++) { long long int num; cin >> num; a[num] = -1; } long long int r = 1, m = 1000000; long long int t = 0, i = 0; while (i < n) { t++; if (a[++r] == -1) i++; if (a[--m] == -1) i++; } cout << t; return 0; }
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 10; int a[maxn]; int main() { int n; cin >> n; int ans = 0; for (int i = 0; i < n; i++) { scanf("%d", &a[i]); ans = max(ans, min(a[i] - 1, 1000000 - a[i])); } printf("%d\n", ans); return 0; }
#include <bits/stdc++.h> using namespace std; int n; int a[1000006]; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) scanf("%d", &a[i]); sort(a, a + n); int ans = 1000000 - a[0]; a[n] = 1000000; for (int i = 0; i < n; i++) { ans = min(ans, max((a[i] - 1), 1000000 - a[i + 1])); } printf("%d\n", ans); return 0; }
#include <bits/stdc++.h> using namespace std; double const pi = 3.1415926536; int main() { int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) cin >> a[i]; int k = 0, s = 0; for (int i = 0; i <= 1000000 / 2; i++) { if (a[k] == i && k < n) { s = a[k] - 1; k++; } } k = n - 1; int c = 0; for (int i = 1000000; i > 1000000 / 2; i--) { if (i == a[k] && k >= 0) { c = 1000000 - a[k]; k--; } } cout << max(c, s); }
#include <bits/stdc++.h> using namespace std; int main() { int N, x, ans; ans = 0; cin >> N; for (int i = 0; i < N; i++) { cin >> x; ans = max(ans, min(x - 1, 1000000 - x)); } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; long long be(long long a, long long b, long long mod) { if (b == 0) return 1; if (b % 2 == 1) return (a * be(a, b - 1, mod)) % mod; else return (be(a, b / 2, mod) * be(a, b / 2, mod)) % mod; } const long long mod = 998244353; const long long siz = 2 * (1e5 + 1); const long long logi = 21; const double epsilon = 1e-6; long long prime[siz]; bool cmp(const long long &a, const long long &b) { return (abs(a - b) > 1); } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); long long t; t = 1; while (t--) { long long n; cin >> n; long long a[n]; for (long long i = 0; i < n; i++) { cin >> a[i]; } long long f = 1e6; long long ans = INT_MAX; for (long long i = 0; i < n; i++) { long long d1 = INT_MIN; long long d2 = INT_MIN; d1 = a[i] - 1; if (i + 1 < n) { d2 = f - a[i]; } ans = min(ans, max(d1, d2)); } for (long long i = n - 1; i >= 0; i--) { long long d1 = INT_MIN; long long d2 = INT_MIN; if (i - 1 >= 0) { d1 = a[i - 1] - 1; } d2 = f - a[i]; ans = min(ans, max(d1, d2)); } cout << ans << "\n"; } }
#include <bits/stdc++.h> using namespace std; int a[100010]; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int n; cin >> n; for (int i = 1; i <= n; ++i) { cin >> a[i]; } sort(a + 1, a + n + 1); int res = numeric_limits<int>::max(); for (int i = 1; i <= n; ++i) { res = min(res, max(a[i] - 1, 1000000 - a[i + 1])); } res = min(res, a[n] - 1); res = min(res, 1000000 - a[1]); cout << res; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int loc, curM; int ans = 1; while (n--) { cin >> loc; if (loc > 500000) { curM = 1000000 - loc; } else { curM = loc - 1; } if (ans < curM) ans = curM; } cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; const int MAXN = 1e5 + 20; const int MID = 5e5; int a[MAXN]; int main() { int n; cin >> n; for (int i = 0; i < n; ++i) cin >> a[i]; sort(a, a + n); int t = upper_bound(a, a + n, MID) - a; int t1, t2; if (t - 1 >= 0) t1 = a[t - 1] - 1; else t1 = 0; if (t < n && a[t] >= MID) t2 = 1e6 - a[t]; else t2 = 0; cout << max(t1, t2) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int64_t N = 1e3 + 3; const int64_t mod = 998244353; int64_t dx[] = {-1, 1, 0, 0}; int64_t dy[] = {0, 0, 1, -1}; int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int64_t n; cin >> n; int64_t a[n + 1]; for (int64_t i = 1; i <= n; i++) cin >> a[i]; sort(a + 1, a + n + 1); a[0] = 1; a[n + 1] = 1e6; int64_t ans = 1e9; for (int64_t i = 0; i <= n; i++) { ans = min(ans, max(a[i] - a[0], a[n + 1] - a[i + 1])); } cout << ans; }
#include <bits/stdc++.h> using namespace std; const int MX = 1e6 + 5; int n, a, b, x, ar[MX]; string str; char stt[] = {'a', 'e', 'i', 'o', 'u', 'y'}; bool isvowel(char ch) { int k; for (k = 0; k < 6; k++) if (stt[k] == ch) { break; } if (k == 6) return 0; return 1; } int main() { while (cin >> n) { for (int i = 0; i < n; i++) scanf("%d", &ar[i]); if (n == 1) { printf("%d\n", min(ar[0] - 1, 1000000 - ar[0])); continue; } int ans = min(1000000 - ar[0], ar[n - 1] - 1); for (int i = 0; i < n; i++) { if (i + 1 < n) ans = min(ans, max(ar[i] - 1, 1000000 - ar[i + 1])); if (i - 1 >= 0) ans = min(ans, max(ar[i - 1] - 1, 1000000 - ar[i])); } cout << ans << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; long long a[n], l = 0, k = 0, sum = 0, p = 1000000; for (int i = 1; i <= n; i++) { cin >> a[i]; sum = max(sum, min(a[i] - 1, p - a[i])); } cout << sum; }
#include <bits/stdc++.h> using namespace std; const int maxn = 105; const int INF = 1e9 + 9; int n; vector<int> a; void ReadInput() { cin >> n; a.resize(n + 2); for (int i = 1; i <= n; ++i) cin >> a[i]; a[0] = 1; a[n + 1] = 1e6; sort(a.begin(), a.end()); } void Solve() { int l = 1, r = 1e6; int ans = INF; for (int i = 0; i <= n; ++i) ans = min(ans, max(a[i] - l, r - a[i + 1])); cout << ans; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); ReadInput(); Solve(); }
#include <bits/stdc++.h> using namespace std; const long long mod = 1e9 + 7; const long long maxn = 2e5 + 5; int32_t main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ; long long n; cin >> n; long long ans = 0; long long temp = 1e6; for (long long i = 0; i < n; ++i) { long long x; cin >> x; ans = max(ans, min(x - 1, temp - x)); } cout << ans << '\n'; ; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { long n; cin >> n; vector<long> vect(n + 2); for (int i = 1; i <= n; i++) { cin >> vect[i]; } long maxm = *max_element(vect.begin(), vect.end()); long res = INT_MAX; vect[0] = 1; vect[n + 1] = 1000000; for (int i = 0; i <= n; i++) { res = min(res, max(vect[i] - vect[0], vect[n + 1] - vect[i + 1])); } cout << res; return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; int dis[N], in, ans = 1e9, n; int main() { scanf("%d", &n); dis[0] = 1; dis[n + 1] = 1e6; for (int i = 1; i <= n; i++) scanf("%d", dis + i); for (int i = 1; i <= n; i++) ans = min(ans, max(dis[i] - 1, dis[n + 1] - dis[i + 1])); ans = min(ans, min(dis[n] - 1, dis[n + 1] - dis[1])); printf("%d\n", ans); }
#include <bits/stdc++.h> using namespace std; int main() { int n, pas = 10000000; cin >> n; int a[n]; a[n + 1] = 1000000; a[0] = 1; for (int i = 1; i <= n; i++) cin >> a[i]; sort(a + 1, a + n + 1); for (int i = 0; i <= n; i++) pas = min(pas, max(a[i] - 1, 1000000 - a[i + 1])); cout << pas; return 0; }
#include <bits/stdc++.h> long long int a[1000005]; long long int b[1000005]; int main() { long long int n; long long int i = 0; long long int j = 0; long long int k; long long int p; long long int temp1 = 0; long long int temp2 = 0; scanf("%lld", &n); for (p = 0; p < n; p++) { scanf("%lld", &k); if (k <= 500000) a[i++] = k; else if (k > 500000) b[j++] = k; } if (i != 0) { temp1 = a[0] - 1; for (p = 1; p < i; p++) { temp1 += a[p] - a[p - 1]; } } if (j != 0) { temp2 = 1000000 - b[j - 1]; for (p = j - 1; p >= 1; p--) { temp2 += b[p] - b[p - 1]; } } if (temp1 > temp2) printf("%lld\n", temp1); else printf("%lld\n", temp2); return 0; }
#include <bits/stdc++.h> using namespace std; int a[100006]; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; int maxx = 0, minn = 1000005; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; if (a[i] <= 500000 && a[i] >= maxx) maxx = a[i]; else if (a[i] >= 500000 && a[i] <= minn) minn = a[i]; } int t = max(maxx - 1, 1000000 - minn); cout << t << endl; return 0; }
#include <bits/stdc++.h> using namespace std; bool wayToSort(string s1, string s2) { if (s1.length() < s2.length()) return true; if (s2.length() < s1.length()) return false; else return (s1 < s2); } bool is_vow(char a) { char vow[5] = {'a', 'e', 'i', 'o', 'u'}; for (int i = 0; i < 5; i++) if (vow[i] == a) return true; return false; } vector<int> a; int main() { int n; cin >> n; int temp; for (int i = 0; i < n; i++) { cin >> temp; a.push_back(temp); } int ans = 0, dist1 = 0, dist2 = 0; for (int i = 0; i < n; i++) { dist1 = a[i] - 1; dist2 = 1000000 - a[i]; int ans1 = min(dist1, dist2); if (ans < ans1) ans = ans1; } cout << ans; return 0; }
#include <bits/stdc++.h> const long long M = 1000; const long long N = 1020000; const long long mx = (1e18); using namespace std; long long x, y, a[N], n, m, k, l, w, j, i, res, w1, w2; int main() { ios_base::sync_with_stdio(0); cin >> n; for (i = 1; i <= n; i++) cin >> a[i]; x = 1; y = (1e6); w1 = w2 = 0; for (i = 1; i <= n; i++) w = max(w, min(abs(x - a[i]), abs(y - a[i]))); cout << w; }
#include <bits/stdc++.h> using namespace std; int main() { int n, x, ans = 0; cin >> n; for (int i = int(0); i < int(n); ++i) { cin >> x; ans = max(ans, min(x - 1, 1000000 - x)); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; long long int power(long long int x, long long int y) { if (y == 0) return 1; else { long long int p = power(x, y / 2); if (y % 2 == 0) return (p * p) % 1000000007LL; else return (x * ((p * p) % 1000000007LL)) % 1000000007LL; } } long long int gcd(long long int x, long long int y) { if (y == 0) return x; else return gcd(y, x % y); } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.precision(20); long long int n; cin >> n; long long int a[n]; for (int i = 0; i < n; i++) cin >> a[i]; long long int m = a[n - 1] - 1; m = min(m, 1000000 - a[0]); for (int i = 0; i < n - 1; i++) { long long int x = a[i] - 1; long long int y = 1000000 - a[i + 1]; m = min(m, max(x, y)); } cout << m; }
#include <bits/stdc++.h> using namespace std; int a[1000000 + 6], n, ans = 1000000 + 6; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); } a[0] = 1; a[n + 1] = 1000000; for (int i = 0; i <= n; i++) ans = min(ans, max(a[i] - 1, 1000000 - a[i + 1])); printf("%d", ans); }
#include <bits/stdc++.h> using namespace std; int main() { int n, t1 = 0, t2 = 0; int a[1000000]; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { if (a[i] <= 500000) t1 = a[i] - 1; } for (int i = n - 1; i >= 0; i--) { if (a[i] > 500000) t2 = 1000000 - a[i]; } if (t1 > t2) cout << t1 << endl; else cout << t2 << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int a = 1, b, c = 0, d = 0, e = 0, f, i = 0, k = 0, j = 0, n = 0, t = 0, l = 0, m = 0, h[3000] = {0}; string s, x; cin >> t; n = 1000000; for (i = 0; i < t; i++) { cin >> b; j = max(j, min(b - 1, 1000000 - b)); } cout << j; return 0; }
#include <bits/stdc++.h> using namespace std; int a[200000]; int main(int argc, char const *argv[]) { int n; while (scanf("%d", &n) != EOF) { for (int i = 0; i < n; ++i) { scanf("%d", &a[i]); } int res = 1000000 - a[0]; for (int i = 0; i < n; ++i) { int temp = a[i] - 1; if (i != n - 1) { temp = max(temp, 1000000 - a[i + 1]); } res = min(temp, res); } printf("%d\n", res); } return 0; }
#include <bits/stdc++.h> int n, s[1000005], i, a = 1000000, m = 1000000, l; int main() { scanf("%d", &n); for (i = 1; i <= n; i++) { scanf("%d", &s[i]); } s[0] = 1; s[n + 1] = a; for (i = 0; i <= n; i++) { l = (s[i] - 1 > a - s[i + 1]) ? s[i] - 1 : a - s[i + 1]; if (m > l) { m = l; } } printf("%d", m); return 0; }
#include <bits/stdc++.h> using namespace std; const int SIZE = 1e5 + 1; const int last = 1e6; int a[SIZE]; int main() { ios::sync_with_stdio(false); int i, n, b = 0, c = 0; cin >> n; for (i = 0; i < n; i++) cin >> a[i]; int left = 0, right = n - 1; while (left < right) { if (a[left] - 1 < last - a[right]) { left++; } else { right--; } } cout << min(a[left] - 1, last - a[right]) << endl; }
#include <bits/stdc++.h> using namespace std; const long long int mod = 1e9 + 7; const long double PI = 3.141592653589793; int main() { ios_base::sync_with_stdio(false); long long int n, ans = 0, a; cin >> n; for (int i = 0; i < n; i++) { cin >> a; ans = max(ans, min(a - 1, 1000000 - a)); } cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; bool cmpf(float a, float b, float epsilon) { return (fabs(a - b) <= epsilon * max(fabs(a), fabs(b))); } long long int fpow(long long int n, long long int k, long long int p) { long long int r = 1; for (; k; k >>= 1) { if (k & 1) r = r * n % p; n = n * n % p; } return r; } long long int inv(long long int a, long long int p) { return fpow(a, p - 2, p); } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long int t, n, m, k, d, di, ti, si, cnt, temp, i, j, l, r; cin >> n; std::vector<long long int> v1, v2; for (i = 0; i < n; i++) { cin >> m; if (m <= 500000) v1.push_back(m); else v2.push_back(1000001 - m); } ti = 0; di = 0; sort(v1.begin(), v1.end()); sort(v2.begin(), v2.end()); if (v1.size() != 0) ti = v1[v1.size() - 1]; if (v2.size() != 0) di = v2[v2.size() - 1]; cout << max(ti, di) - 1; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int c = 1000000; int* a = new int[n]; for (int i = 0; i < n; ++i) cin >> a[i]; int max_ = 0, min_ = c; for (int i = 0; i < n; ++i) { if (a[i] <= c / 2) { max_ = a[i]; } else { min_ = a[i]; break; } } cout << max(max_ - 1, c - min_) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; vector<int> prizes; int main() { int n; cin >> n; int prize_idx; for (int i = 0; i < n; i++) { cin >> prize_idx; prizes.push_back(prize_idx); } int my_loc = 1, friend_loc = 1000000; int my_time = 0, friend_time = 0; int left_prize = 0, right_prize = n - 1; while (right_prize - left_prize > -1) { if (my_time + (prizes[left_prize] - my_loc) < friend_time + (friend_loc - prizes[right_prize])) { my_time += (prizes[left_prize] - my_loc); my_loc = prizes[left_prize]; left_prize++; } else { friend_time += (friend_loc - prizes[right_prize]); friend_loc = prizes[right_prize]; right_prize--; } } cout << max(my_time, friend_time) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int n; int v[101010]; int main() { cin >> n; int lst = 1; for (int i = 0; i < n; i++) { cin >> v[i]; int a = v[i] - 1; int b = 1e6 - v[i]; if (a > b) { cout << max(lst - 1, (int)1e6 - v[i]) << endl; return 0; } lst = v[i]; } cout << v[n - 1] - 1 << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; const int maxn = 1000000 + 10; const int maxm = 1000000 + 10; const int mod = (int)1e9 + 7; const int INF = 0x3f3f3f3f; const long long LINF = (1LL << 62); const double eps = 1e-9; const double PI = acos(-1.0); int a[maxn]; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &a[i]); a[0] = 1; a[n + 1] = 1e6; int ans = INF; for (int i = 0; i <= n; i++) { ans = min(ans, max(a[i] - 1, (int)1e6 - a[i + 1])); } printf("%d\n", ans); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int m; int max = 0; for (int i = 1; i <= n; i++) { cin >> m; if (m > 500000) { m = 1000000 - m + 1; } if (m >= max) { max = m; } } cout << max - 1 << endl; }
#include <bits/stdc++.h> using namespace std; int main() { long long int n; cin >> n; long long int t1 = 0; long long int tm1 = 0; long long int t2 = 0; long long int tm2 = 0; long long int a; for (int i = 0; i < n; i++) { cin >> a; if (a <= 1000000 / 2) { t1 = a - 1; tm1 = max(t1, tm1); } else { t2 = 1000000 - a; tm2 = max(t2, tm2); } } cout << max(tm1, tm2); return 0; }
#include <bits/stdc++.h> using namespace std; const int M = 1e6 + 5; int a[M]; int main() { int n, m; cin >> n; for (int i = 0; i < n; i++) { cin >> m; a[m] = 1; } int my = 1, fr = 1e6, cnt = 0, time = 0; while (cnt != n) { my++; fr--; if (a[my]) { cnt++; } if (my != fr && a[fr]) { cnt++; } time++; } cout << time << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int a[1000005]; int main() { int n; cin >> n; int t1 = 0, t2 = 0; for (int i = 0; i < n; i++) { scanf("%d", &a[i]); if (a[i] <= 1000000 / 2) t1 = max(t1, a[i] - 1); else t2 = max(t2, abs(1000000 - a[i])); } cout << max(t1, t2) << endl; }
#include <bits/stdc++.h> using namespace std; long long a[100009], bb[1000009]; vector<long long> vc; map<long long, long long> mp; map<long long, long long> mp1; int main() { cin.sync_with_stdio(false); long long i, j, k, l, c, v, b, bv[1000], aa[1009], bb1[1000], n, m, r, t, e, f; long long x1, x2, y1, y2, x3, x4, x5, x6; string s, s1, s2, s3, ss[10000]; while (cin >> n) { k = l = 0; for (i = 0; i < n; i++) { cin >> a[i]; } sort(a, a + n); for (i = 0; i < n; i++) { if (a[i] <= 500000) { l = a[i] - 1; } else { break; } } for (i = n - 1; i >= 0; i--) { if (a[i] <= 500000) { break; } else { k = 1000000 - a[i]; } } cout << (max(k, l)); } }
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; cin >> n; int ans = 0; for (int i = (1); i <= (n); i++) { int num; cin >> num; ans = max(ans, min(num - 1, 1000000 - num)); } cout << ans; }
#include <bits/stdc++.h> using namespace std; int main() { int n, i, j, pos, num[100005]; cin >> n; for (i = 1; i <= n; i++) scanf("%d", &num[i]); pos = upper_bound(num + 1, num + 1 + n, 5e5) - num; if (pos > n) cout << num[n] - 1 << endl; else if (pos <= 1) cout << 1e6 - num[1] << endl; else { cout << max((int)1e6 - num[pos], num[pos - 1] - 1) << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { long long int n; cin >> n; vector<long long int> v(n); for (long long int i = 0; i < n; i++) { cin >> v[i]; } long long int ans = -1; for (long long int i = 0; i < n; i++) { v[i] = min(v[i] - 1, 1000000 - v[i]); ans = max(ans, v[i]); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int n, arr[1000001]; int main() { cin >> n; int tem; for (int i = 0; i < n; i++) { cin >> tem; arr[tem] = 1; } int i_f = 0, j_f = 0; for (int i = 500000, j = i + 1;; i--, j++) { if (arr[i] == 1 && i_f == 0) { i_f = i; } if (arr[j] == 1 && j_f == 0) { j_f = j; } if (i_f && j_f) break; } printf("%d", max(i_f - 1, 1000000 - j_f)); }
#include <bits/stdc++.h> using namespace std; int main() { int n; scanf("%d", &n); vector<int> ve; for (int i = 0; i < n; i++) { int x; scanf("%d", &x); ve.push_back(x); } vector<int> res; for (int i = 0; i < n; i++) { res.push_back(min(ve[i] - 1, (int)1e6 - ve[i])); } cout << *max_element(res.begin(), res.end()) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; long long n, k; long long sum, fsum; long long arr[1000005]; int main(void) { scanf("%lld", &n); for (int i = 1; i <= n; i++) { scanf("%lld", &k); arr[k] = 1; } for (int i = 500000; i >= 1; i--) { if (arr[i]) { sum = i - 1; break; } } for (int i = 500001; i <= 1000000; i++) { if (arr[i]) { fsum = 1000000 - i; break; } } if (sum < fsum) sum = fsum; printf("%lld", sum); }
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); int n; cin >> n; vector<int> a; a.resize(n); for (int i = 0; i < (n); i++) cin >> a[i]; int ans = INT_MAX; ans = min(ans, a[n - 1] - 1); ans = min(ans, 1000000 - a[0]); for (int i = 0; i < n - 1; i++) { ans = min(ans, max(a[i] - 1, 1000000 - a[i + 1])); } cout << ans; }
#include <bits/stdc++.h> using namespace std; const long long INF = 1e9 + 10, MAX = 1e6 + 1e4, MOD = 1e9 + 7, MAXL = 25; void OUT(long double o, int x) { cout << fixed << setprecision(x) << o; return; } long long a[MAX]; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long n; cin >> n; for (int i = 1; i <= n; i++) { long long x; cin >> x; a[x] = 1; } long long x = 0; for (int i = 1; i < 500000; i++) { if (a[1 + i] || a[1000000 - i]) x = i; } cout << x; return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 1e5; const int M = 1e6; int a[N + 5], n; int s = 1, t = M; int ans = M; int main() { scanf("%d", &n); a[0] = 1, a[n + 1] = M; for (int i = 1; i <= n; i++) scanf("%d", &a[i]); for (int i = 0; i <= n; i++) ans = min(ans, max(a[i] - s, t - a[i + 1])); printf("%d", ans); return 0; }
#include <bits/stdc++.h> int main() { int n, x = 1, y = 1000000, s1 = 0, s2 = 0, z; scanf("%d", &n); while (n > 0) { scanf("%d", &z); if (z <= 1000000 / 2) { x = z; } else { if (y > z) { y = z; } } n--; } if ((x - 1) > 1000000 - y) { printf("%d", x - 1); } else { printf("%d", 1000000 - y); } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n, c = 0, s1 = 0, s = 0, l = 0, m, sec; cin >> n; m = n - 1; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 2, k = 999999; c != n; i++, k--) { if (i == a[l]) { s1 = i - 2 + 1; c++; l++; } if (k == a[m]) { s = 1000000 - k; c++; m--; } } if (s > s1) sec = s; else sec = s1; cout << sec; }
#include <bits/stdc++.h> using namespace std; const long long inf = (long long)1e9 + 1; const int N = (int)1e5 + 77; const long long mod = (long long)1e9 + 7; int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n, a[N], k = (int)1e6; cin >> n; for (int i = 0; i < (int)(n); ++i) cin >> a[i]; int m = min(k - a[0], a[n - 1] - 1); for (int i = 0; i < (int)(n - 1); ++i) { m = min(m, max(a[i] - 1, k - a[i + 1])); } cout << m << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 1e6 + 10; const int M = 1e6 / 2; int n, x, m, tmp, ans, k, t; int a[N], b[N], h[N]; bool mark[N]; void read_input() { cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; mark[a[i]] = true; } for (int i = 1; i < M; i++) { if (mark[M + i] || mark[M - i + 1]) { tmp = i; cout << M - tmp; return; } } } int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); read_input(); return 0; }
#include <bits/stdc++.h> using namespace std; template <class T> inline T sqr(const T &x) { return x * x; } inline long long sqr(int x) { return sqr<long long>(x); } template <class T> T binpow(const T &a, long long n) { return n == 0 ? 1 : sqr(binpow(a, n / 2)) * (n % 2 ? a : 1); } long long binpow(long long a, long long n, long long modulo) { return n == 0 ? 1 : sqr(binpow(a, n / 2, modulo)) % modulo * (n % 2 ? a : 1) % modulo; } long long gcd(long long a, long long b, long long &x, long long &y) { if (a == 0) { x = 0; y = 1; return b; } long long x1, y1; long long d = gcd(b % a, a, x1, y1); x = y1 - (b / a) * x1; y = x1; return d; } inline long long phi(long long n) { long long result = n; for (long long i = 2; i * i <= n; ++i) if (n % i == 0) { while (n % i == 0) n /= i; result -= result / i; } if (n > 1) result -= result / n; return result; } inline vector<long long> inverseAll(long long m) { vector<long long> r(m); r[1] = 1; for (int i = 2; i < m; ++i) r[i] = (m - (m / i) * r[m % i] % m) % m; return r; } inline long long gcd(long long a, long long b) { return gcd(a, b, a, b); } inline long long lcm(long long a, long long b) { return a / gcd(a, b) * b; } inline long long llrand() { const long long lsbToFill = (sizeof(long long) << 3) - 1; const long long bitsFilledInIteration = __builtin_popcountll(RAND_MAX); long long number = 0; for (long long lsbFilled = 0; lsbFilled <= lsbToFill; lsbFilled += bitsFilledInIteration) { number ^= (((long long)rand()) << lsbFilled); } return number & numeric_limits<long long>::max(); } inline long long llrand(long long begin, long long end) { return begin + llrand() % (end - begin); } struct Dinic { struct Edge { int u, v; long long cap, flow; Edge() {} Edge(int u, int v, long long cap) : u(u), v(v), cap(cap), flow(0) {} }; int N; vector<Edge> E; vector<vector<int>> g; vector<int> d, pt; Dinic(int N) : N(N), E(0), g(N), d(N), pt(N) {} void AddEdge(int u, int v, long long cap) { if (u != v) { E.emplace_back(Edge(u, v, cap)); g[u].emplace_back(E.size() - 1); E.emplace_back(Edge(v, u, 0)); g[v].emplace_back(E.size() - 1); } } bool BFS(int S, int T) { queue<int> q({S}); fill(d.begin(), d.end(), N + 1); d[S] = 0; while (!q.empty()) { int u = q.front(); q.pop(); if (u == T) break; for (int k : g[u]) { Edge &e = E[k]; if (e.flow < e.cap && d[e.v] > d[e.u] + 1) { d[e.v] = d[e.u] + 1; q.emplace(e.v); } } } return d[T] != N + 1; } long long DFS(int u, int T, long long flow = -1) { if (u == T || flow == 0) return flow; for (int &i = pt[u]; i < g[u].size(); ++i) { Edge &e = E[g[u][i]]; Edge &oe = E[g[u][i] ^ 1]; if (d[e.v] == d[e.u] + 1) { long long amt = e.cap - e.flow; if (flow != -1 && amt > flow) amt = flow; if (long long pushed = DFS(e.v, T, amt)) { e.flow += pushed; oe.flow -= pushed; return pushed; } } } return 0; } long long MaxFlow(int S, int T) { long long total = 0; while (BFS(S, T)) { fill(pt.begin(), pt.end(), 0); while (long long flow = DFS(S, T)) total += flow; } return total; } }; vector<long long> Dijkstra(const vector<list<pair<int, long long>>> &g, int s) { vector<long long> d(int((g).size()), numeric_limits<long long>::max() / 2LL); priority_queue<pair<long long, int>> q; d[s] = 0; q.emplace(-0, s); while (!q.empty()) { while (q.top().first > d[q.top().second]) { q.pop(); } int v = q.top().second; q.pop(); for (const auto &cw : g[v]) { if (d[v] + cw.second < d[cw.first]) { d[cw.first] = d[v] + cw.second; q.emplace(-d[cw.first], cw.first); } } } return d; } struct BinarySearchIterator : public std::iterator<std::forward_iterator_tag, bool> { long long value; typename iterator_traits<BinarySearchIterator>::difference_type operator-( const BinarySearchIterator &it) const { return value - it.value; } BinarySearchIterator &operator++() { ++value; return *this; } bool operator!=(const BinarySearchIterator &it) const { return value != it.value; } bool operator*() const { return true; } }; template <int ALPHA> class AhoCorasick { public: static const int ILLEGAL_INDEX; static const int ROOT; struct Node { bool leaf; int parent; int parentCharacter; int link; int next[ALPHA]; int go[ALPHA]; int outputFunction; Node(int parent = ILLEGAL_INDEX, int parentCharacter = ALPHA) : leaf(false), parent(parent), parentCharacter(parentCharacter), link(ILLEGAL_INDEX), outputFunction(ILLEGAL_INDEX) { fill_n(next, ALPHA, ILLEGAL_INDEX); fill_n(go, ALPHA, ILLEGAL_INDEX); } }; vector<Node> tree = vector<Node>(1); AhoCorasick() {} AhoCorasick(int maxStatesNumber) { tree.reserve(maxStatesNumber); } template <class Iterator> void add(int length, const Iterator begin) { int vertex = ROOT; for (int i = 0; i < length; ++i) { if (ILLEGAL_INDEX == tree[vertex].next[begin[i]]) { tree[vertex].next[begin[i]] = int((tree).size()); tree.push_back(Node(vertex, begin[i])); } vertex = tree[vertex].next[begin[i]]; } tree[vertex].leaf = true; } int getLink(int vertex) { assert(0 <= vertex && vertex < tree.size()); if (ILLEGAL_INDEX == tree[vertex].link) { if (ROOT == vertex || ROOT == tree[vertex].parent) { tree[vertex].link = ROOT; } else { tree[vertex].link = go(getLink(tree[vertex].parent), tree[vertex].parentCharacter); } } return tree[vertex].link; } int go(int vertex, int character) { assert(0 <= character && character < ALPHA); assert(0 <= vertex && vertex < tree.size()); if (ILLEGAL_INDEX == tree[vertex].go[character]) { if (ILLEGAL_INDEX == tree[vertex].next[character]) { tree[vertex].go[character] = ROOT == vertex ? ROOT : go(getLink(vertex), character); } else { tree[vertex].go[character] = tree[vertex].next[character]; } } return tree[vertex].go[character]; } int getOutputFunction(int vertex) { assert(0 <= vertex && vertex < tree.size()); if (ILLEGAL_INDEX == tree[vertex].outputFunction) { if (tree[vertex].leaf || ROOT == vertex) { tree[vertex].outputFunction = vertex; } else { tree[vertex].outputFunction = getOutputFunction(getLink(vertex)); } } return tree[vertex].outputFunction; } }; template <int ALPHA> const int AhoCorasick<ALPHA>::ILLEGAL_INDEX = -1; template <int ALPHA> const int AhoCorasick<ALPHA>::ROOT = 0; int main(int argc, const char *argv[]) { ios::sync_with_stdio(false); cin.tie(0); srand((unsigned int)time(NULL)); int n; while (cin >> n) { vector<int> a(n); for (int i = (0); i < (n); ++i) { cin >> a[i]; } int answer = min(a[n - 1] - 1, (int)1e6 - a[0]); for (int i = (0); i < (n - 1); ++i) { answer = min(answer, max((int)1e6 - a[i + 1], a[i] - 1)); } cout << answer << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { long long int n; cin >> n; long long int a[n], i, ans = 0; for (i = 0; i < n; ++i) cin >> a[i]; for (i = 0; i < n; ++i) if (a[i] <= 5 * 100000) ans = max(ans, a[i] - 1); else ans = max(ans, 1000000 - a[i]); cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { long long n; scanf("%lld", &n); long long a[n + 2]; for (long long i = 1; i <= n; i++) { scanf("%lld", &a[i]); } long long ans = a[n] - 1; ans = min(ans, 1000000 - a[1]); for (long long i = 1; i <= n - 1; i++) { ans = min(ans, max(a[i] - 1, 1000000 - a[i + 1])); } printf("%lld\n", ans); return 0; }
#include <bits/stdc++.h> using namespace std; typedef vector<int> vi; int time_to_pick(int k) { return min(abs(k - 1), abs(1000000 - k)); } int main() { int n; cin >> n; vi prizes(n); int seconds = 0; for (int i = 0; i < n; i++) { cin >> prizes[i]; seconds = max(seconds, time_to_pick(prizes[i])); } cout << seconds << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; const long long INF = 2 * 1e9 + 100; const long long M = 1e2 + 100; const long long N = 1e6 + 100; long long a[N]; vector<long long> v1, v2; int main() { long long n; cin >> n; for (long long i = 0; i < n; i++) cin >> a[i]; sort(a, a + n); long long t1 = 0, t2 = 0; for (long long i = 0; i < n; i++) { if (a[i] <= 500000) v1.push_back(a[i]); else v2.push_back(a[i]); } sort(v1.rbegin(), v1.rend()); sort(v2.begin(), v2.end()); t1 = (v1.empty() ? -INF : v1[0] - 1), t2 = (v2.empty() ? -INF : 1000000 - v2[0]); cout << max(t1, t2); return 0; }
#include <bits/stdc++.h> using namespace std; int a[100005]; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); a[i] = min(a[i] - 1, 1000000 - a[i]); } sort(a + 1, a + 1 + n); cout << a[n] << endl; return 0; }
#include <bits/stdc++.h> using namespace std; float PHI = 1.6180339; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout << fixed << setprecision(9); long long n; cin >> n; long long arr[n + 10]; for (long long i = 0; i < n; i++) { cin >> arr[i]; } long long tot = 0; long long first = 1; long long last = 1000000; long long j = n - 1; long long ans = INT_MIN; for (long long i = 0; i <= n - 1; i++) { long long diff1 = abs(arr[i] - first); long long diff2 = abs(arr[i] - last); long long diff3 = abs(arr[j] - first); long long diff4 = abs(arr[j] - last); ans = max(ans, min((arr[i] - 1), last - arr[i])); } cout << ans << "\n"; }
#include <bits/stdc++.h> using namespace std; int main() { int i = 1; int y = 1000000; int n, j, arr; cin >> n; int ans = 0; while (n--) { cin >> arr; ans = max(ans, min(arr - i, y - arr)); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int t; t = 1; while (t--) { int n; cin >> n; int min1 = 0, min2 = 0; for (int i = 0; i < n; i++) { int u; cin >> u; if (u <= 500000 && min1 < u) { min1 = u - 1; } if (u > 500000 && min2 < 1000000 - u) { min2 = 1000000 - u; } } cout << max(min1, min2); } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; scanf("%d", &n); int ans = 0; for (int i = 0; i < n; i++) { int x; scanf("%d", &x); ans = max(ans, min(abs(1 - x), abs(1000000 - x))); } printf("%d", ans); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { long long n; long long ans1 = 0; long long ans2 = 0; vector<int> v; cin >> n; for (long long i = 0; i < n; i++) { long long x; cin >> x; v.push_back(x); } long long k = 1; long long j = 1000000; for (int i = 0; i < n; i++) { if (abs(k - v[i]) < abs(j - v[i])) { ans1 = v[i] - 1; } else { ans2 = 1000000 - (v[i]); break; } } cout << max(ans1, ans2); return 0; }
#include <bits/stdc++.h> using namespace std; vector<int> a, b; int n; int tmp, max_elem, ans; bool flag = true; int ind = 0; int main() { max_elem = 0; cin >> n; for (int i = 1; i <= n; i++) { cin >> tmp; a.push_back(tmp); } for (int i = 0; i <= n - 1; i++) { if (a[i] <= 500000) { tmp = a[i] - 1; } else { tmp = 1000000 - a[i]; } if (tmp > max_elem) { max_elem = tmp; } } cout << max_elem; return 0; }
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") using namespace std; int a[100 * 1000 + 228]; signed main() { int n; scanf("%d", &n); for (int i = 1; i <= n; ++i) { scanf("%d", &a[i]); } int res = min(a[n] - 1, 1000 * 1000 - a[1]); for (int i = 1; i < n; ++i) { res = min(res, max(a[i] - 1, 1000 * 1000 - a[i + 1])); } cout << res << "\n"; return 0; }
#include <bits/stdc++.h> int main() { int n, a, b, min, max = 0; scanf("%d", &n); int data[n], i; for (i = 0; i < n; i++) { scanf("%d", &data[i]); a = data[i] - 1; b = 1000000 - data[i]; if (a < b) min = a; else min = b; if (min > max) max = min; } printf("%d", max); return 0; }
#include <bits/stdc++.h> using namespace std; int a, b, c, d, e = 1000000 / 2, t[100005], maxx, minn = 11111111, ans; int main() { scanf("%d", &a); for (int x = 0; x < a; x++) { scanf("%d", &t[x]); if (t[x] <= e) { maxx = max(t[x], maxx); } else { minn = min(t[x], minn); } } int u = 1e6 - minn; ans = max(u, maxx - 1); printf("%d", ans); }
#include <bits/stdc++.h> using namespace std; int n, a, c[1000005]; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", &a); c[a]++; } int sol = 0, p1 = 1, p2 = 1e6, can = 0; while (can < n) { p1++; p2--; can += c[p1] + c[p2]; sol++; } printf("%d\n", sol); return 0; }
#include <bits/stdc++.h> using namespace std; bool isv(char c) { if (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u' || c == 'y') return true; return false; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long int n, x, ma = 1, mi = 1000000; cin >> n; for (long long int i = 0; i < n; i++) { cin >> x; if (x <= 500000) ma = max(ma, x); else mi = min(mi, x); } long long int ans = max(ma - 1, 1000000 - mi); cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; bitset<1000009> bt; int main() { long long n, a, res = 0; cin >> n; for (int i = 0; i < n; i++) cin >> a, bt.set(a); for (long long i = 2, f = 1000000 - 1; i <= (1000000 >> 1); i++, f--) if (bt[i] || bt[f]) res = i - 1; cout << res << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int n, lpos, rpos = 1000000; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { int pos; scanf("%d", &pos); if (pos <= 500000) lpos = max(lpos, pos); else rpos = min(rpos, pos); } printf("%d\n", max(lpos - 1, 1000000 - rpos)); }
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0), cin.tie(0); int n; cin >> n; vector<long long> a(n); for (auto &i : a) cin >> i; long long ans = 1000000000000; for (int i = 0; i <= n; ++i) { long long t; if (i == 0) t = 1000000 - a[0]; else if (i == n) t = a.back() - 1; else t = max(a[i - 1] - 1, 1000000 - a[i]); ans = min(ans, t); } cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n, a[100010]; cin >> n; for (int i = 0; i < n; i++) cin >> a[i]; sort(a, a + n); int maxn = 0; for (int i = 0; i < n; i++) { if (a[i] <= 500000) maxn = max(a[i] - 1, maxn); else maxn = max(1000000 - a[i], maxn); } cout << maxn << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n, num, ans = 0; cin >> n; for (int i = 0; i < n; i++) { cin >> num; if (num <= 1e6 / 2) ans = max(num - 1, ans); else ans = max(ans, 1000000 - num); } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; int main() { int x; cin >> x; int t = 0, time; int onerange = 1; int large = 1000000; for (int i = 0; i < x; i++) { cin >> t; if (t > 500000) { if (t < large) { large = t; } } else { if (t > onerange) { onerange = t; } } } if ((onerange - 1) > (1000000 - large)) { cout << onerange - 1; } else { cout << 1000000 - large; } return 0; }
#include <bits/stdc++.h> using namespace std; const int INF = 1000000; int main() { int n; while (cin >> n) { int max1 = -1, max2 = -1; for (int i = 0; i < n; i++) { int a; cin >> a; if (a > INF / 2) max2 = max(INF - a, max2); else max1 = max(a - 1, max1); } cout << max(max1, max2) << endl; } return 0; }
#include <bits/stdc++.h> #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("Ofast,no-stack-protector") #pragma GCC target("avx") #pragma GCC target("sse,sse2,sse3,sse4,popcnt,abm,mmx,avx,tune=native") using namespace std; long long read() { long long x = 0; bool q = 0; char c = getchar(); while (!isdigit(c)) q |= (c == '-'), c = getchar(); while (isdigit(c)) x = (x << 1) + (x << 3) + c - '0', c = getchar(); return q ? -x : x; } void print(long long x, char q = '\n') { if (x < 0) putchar('-'), x = -x; if (x == 0) putchar('0'); stack<char> s; s.push(q); while (x > 0) s.push(x % 10 + '0'), x /= 10; while (!s.empty()) putchar(s.top()), s.pop(); } string read_s() { string s; char c = getchar(); while (c == ' ' || c == '\t' || c == '\n') c = getchar(); while (c != ' ' && c != '\t' && c != '\n') s += c, c = getchar(); return s; } void print_s(string s, char q = '\n') { for (char c : s) putchar(c); putchar(q); } char read_c() { char c = getchar(); while (c == ' ' || c == '\t' || c == '\n') c = getchar(); return c; } bool isVowel(char q) { if (q == 'a') return 1; if (q == 'e') return 1; if (q == 'i') return 1; if (q == 'u') return 1; if (q == 'o') return 1; return 0; } int a[100002]; int main() { int n = read(); for (int i = 0; i < n; i++) a[i] = read(); sort(a, a + n); int ans = 1e9; for (int i = 0; i < n - 1; i++) ans = min(ans, max(a[i] - 1, 1000000 - a[i + 1])); ans = min(ans, a[n - 1] - 1); ans = min(ans, 1000000 - a[0]); print(ans); }
#include <bits/stdc++.h> using namespace std; int n, a, answer; int main() { cin >> n; for (int i = 0; i < n; i++) { cin >> a; answer = max(answer, min(a - 1, 1000000 - a)); } cout << answer; }
#include <bits/stdc++.h> using namespace std; int a[100005]; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; ++i) scanf("%d", &a[i]); a[0] = 1, a[n + 1] = 1000000; int ans = 1e9; for (int i = 0; i <= n; ++i) { ans = min(ans, max(1000000 - a[i + 1], a[i] - 1)); } ans = min(ans, 1000000 - a[1]); ans = min(ans, a[n] - 1); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; string vowels = "aeouiy"; const int N = 100100, R = 1000000; int arr[N], dis1[N], dis2[N]; int main() { int n, p1 = 1, p2 = R; scanf("%d", &n); long long ans1 = 0, ans2 = 0; for (int i = 0; i < n; i++) scanf("%d", &arr[i]); sort(arr, arr + n); for (int i = 0; i < n; i++) { if (arr[i] <= R / 2) ans1 += abs(p1 - arr[i]), p1 = arr[i]; } for (int i = n - 1; i >= 0; i--) { if (arr[i] > R / 2) ans2 += abs(p2 - arr[i]), p2 = arr[i]; } printf("%lld", max(ans1, ans2)); }
#include <bits/stdc++.h> using namespace std; int main() { cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0); int n, val, mx = -1, L = 1e6; cin >> n; while (n--) { cin >> val; mx = max(min(val - 1, L - val), mx); } cout << mx << "\n"; return 0; }
#include <bits/stdc++.h> const long long MOD = 1e9 + 7; using namespace std; const long long INF = 1LL << 60; const double PI = acos(-1); using ll = long long; using P = array<ll, 2>; template <typename T> istream& operator>>(istream& i, vector<T>& v) { for (ll j = (0); j < (ll)(v.size()); ++j) i >> v[j]; return i; } template <typename T> string join(vector<T>& v) { stringstream s; for (ll i = (0); i < (ll)(v.size()); ++i) s << ' ' << v[i]; return s.str().substr(1); } template <typename T> ostream& operator<<(ostream& o, vector<T>& v) { if (v.size()) o << join(v); return o; } template <typename T> string join(vector<vector<T>>& vv) { string s = "\n"; for (ll i = (0); i < (ll)(vv.size()); ++i) s += join(vv[i]) + "\n"; return s; } template <typename T> ostream& operator<<(ostream& o, vector<vector<T>>& vv) { if (vv.size()) o << join(vv); return o; } template <typename T1, typename T2> istream& operator>>(istream& i, pair<T1, T2>& v) { return i >> v.first >> v.second; } template <typename T1, typename T2> ostream& operator<<(ostream& o, pair<T1, T2>& v) { return o << "(" << v.first << "," << v.second << ")"; } template <typename T> istream& operator>>(istream& i, array<T, 2>& v) { i >> v[0] >> v[1]; return i; } template <typename T> ostream& operator<<(ostream& o, array<T, 2>& v) { return o << "(" << v[0] << "," << v[1] << ")"; return o; } int dx[4]{0, 1, 0, -1}; int dy[4]{1, 0, -1, 0}; void init_init_init() { ios_base::sync_with_stdio(false); cin.tie(NULL); std::cout << fixed << setprecision(10); } template <class T> T up(T a, T b) { assert(b); return (a + b - 1) / b; } template <typename... A> bool eq(A const&... a) { auto t = {a...}; assert(t.size()); auto tar = *t.begin(); for (const auto& e : t) if (tar != e) return false; return true; } template <class T> bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template <class T> bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> bool chmax(T& a, initializer_list<T> l) { return chmax(a, max(l)); } template <class T> bool chmin(T& a, initializer_list<T> l) { return chmin(a, min(l)); } int main(int argc, char** argv) { init_init_init(); ll N; cin >> N; vector<ll> A(N); cin >> A; ll res{INF}; chmin(res, 1000000 - A[0]); chmin(res, A[N - 1] - 1); for (ll i = 0; i < N - 1; ++i) { chmin(res, max(A[i] - 1, 1000000 - A[i + 1])); } std::cout << res << std::endl; }
#include <bits/stdc++.h> using namespace std; int main() { long long int n, p = 0; cin >> n; vector<long long int> v; for (int i = 0; i < n; i++) { long long int a; cin >> a; if (a <= 500000) p = max(p, a - 1); else p = max(p, 1000000 - a); } cout << p; return 0; }
#include <bits/stdc++.h> using namespace std; int n, a[100500], mx = -999, total, cnt, id1 = 1, id2 = 1000000; int main() { cin >> n; while (n--) { int x; cin >> x; total = max(total, min(x - 1, 1000000 - x)); } cout << total; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<int> a(n); for (int i = 0; i < n; ++i) { cin >> a[i]; } sort(a.begin(), a.end()); int curr_len = 0; int l = 0, r = a.size() - 1; while (l <= r) { if (a[l] - 1 < int(1e6) - a[r]) { curr_len = a[l] - 1; ++l; } else { curr_len = int(1e6) - a[r]; --r; } } cout << curr_len; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int ans = 0; for (int i = 1; i <= n; i++) { int x; scanf("%d", &x); ans = max(ans, min(x - 1, 1000000 - x)); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #pragma GCC optimize("O3") using namespace std; double pi = 3.1415926535898; string ys = "YES\n"; string no = "NO\n"; const double EPS = 1e-6; const int inf = 1 << 20; const long long M = 1e9 + 7; int n, x; int main() { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ; cin >> n; int mxx = 0; for (int i = 1; i <= int(n); ++i) { cin >> x; mxx = max(mxx, min(x - 1, 1000000 - x)); } cout << mxx; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int time = 0; int n; cin >> n; int value; for (int i = 0; i < n; i++) { cin >> value; time = max(time, min(value - 1, 1000000 - value)); } cout << time << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 7; int n, res = 1e6 - 1; int arr[N]; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n; for (int i = 0; i < n; ++i) { cin >> arr[i]; } arr[n] = 1e6; res = 1000000 - arr[0]; for (int i = 0; i < n; ++i) { res = min(res, max(arr[i] - 1, 1000000 - arr[i + 1])); } cout << res << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false), cin.tie(0); int n; cin >> n; int ma = 0; for (int i = 0; i < n; i++) { int a; cin >> a; ma = max(ma, min(a - 1, 1000000 - a)); } cout << ma << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int a[1000001], n, i, t, w, l, r; int main() { scanf("%d", &n); for (i = 1; i <= n; i++) scanf("%d", &a[i]); t = 1; w = n; l = 1; r = 1000000; for (i = 1; i <= 1000000; i++) { l++; r--; if (a[t] == l) t++; if (a[w] == r) w--; if (t > w) break; } printf("%d\n", i); }
#include <bits/stdc++.h> using namespace std; int main() { int a, ans = 0; scanf("%d", &a); for (int i = 0; i < a; i++) { int temp; cin >> temp; ans = max(ans, min(temp - 1, 1000000 - temp)); } cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; void A7med_S3d() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); } bool isprime(long long n) { if (n == 2) return true; if (n < 2 || n % 2 == 0) return false; for (long long i = 3; i * i <= n; i += 2) if (n % i == 0) return false; return true; } long long fact(short n) { long long sum = 1; if (n == 1) return sum; for (int i = 2; i <= n; i++) sum *= i; return sum; } int main() { A7med_S3d(); int x; cin >> x; int a, ans = 0, mx = 0; for (int i = 0; i < x; i++) { cin >> a; if (a - 1 <= 1000000 - a) ans = a - 1; else ans = 1000000 - a; mx = max(mx, ans); } cout << mx << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int Nmax = 100000 + 5; int n; int a[Nmax]; int main() { cin >> n; int t = 0; for (int i = 1; i <= n; ++i) cin >> a[i]; int ii = 1, jj = n, poz1 = 1, poz2 = 1000000; while (ii <= jj) { if (abs(poz1 - a[ii]) < abs(poz2 - a[jj])) t += abs(poz1 - a[ii]), poz2 -= abs(poz1 - a[ii]), poz1 = a[ii], ii++; else t += abs(poz2 - a[jj]), poz1 += abs(poz2 - a[jj]), poz2 = a[jj], jj--; } cout << t; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { unsigned n; cin >> n; unsigned i, a[n]; for (i = 0; i < n; i++) { cin >> a[i]; } unsigned c = 0, t = 0; for (i = 0; i < n; i++) { if (a[i] <= 1000000 / 2) { c = a[i] - 1; } else { t = 1000000 - a[i]; break; } } cout << max(c, t); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { long long int n, ans = 0, start = 1, end = 1000000, maxi, temp = 0; cin >> n; int arr[n + 1]; for (int i = 0; i < n; i++) cin >> arr[i]; for (int i = 0; i < n; i++) { int ans1 = abs(arr[i] - start); int ans2 = abs(end - arr[i]); maxi = min(ans1, ans2); if (maxi > temp) temp = maxi; } cout << temp << endl; }
#include <bits/stdc++.h> const bool DEBUG = false; using namespace std; const long long maxn = 3e5 + 5 + 1; const long long INF = 4e18; const long long M = 1e9 + 7; const int lg = 21; #pragma GCC Optimize("Ofast") int n, a[maxn], mi = 1e6, ma; int main() { ios::sync_with_stdio(0), cin.tie(0), cout.tie(0); cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; if (a[i] > 1e6 / 2) mi = min(mi, a[i]); else ma = max(ma, a[i]); } cout << max(ma - 1, 1000000 - mi); return 0; }