제출 #1248668

#제출 시각아이디문제언어결과실행 시간메모리
1248668arashmemarSelf Study (JOI22_ho_t2)C++20
0 / 100
186 ms5116 KiB
#include <bits/stdc++.h> using namespace std; const int maxn = 3e5 + 100; long long int a[maxn], b[maxn], n, m; void tl() { while (true) { int lksjfdj = 1; } } bool check(long long int l) { long long int dif = 0; for (int i = 1;i <= n;i++) { long long int x = a[i] * m; if (x > l) { dif += (x - l) / a[i]; if ((x - l) / a[i]) { tl(); } } if (x < l) { dif -= (l - x + b[i] - 1) / b[i]; } } return dif >= 0; } int main() { cin >> n >> m; if (m != 1) { return 0; } for (int i = 1;i <= n;i++) { cin >> a[i]; } for (int i = 1;i <= n;i++) { cin >> b[i]; a[i] = max(a[i], b[i]); } long long int l = 0, r = 1e18 + 1; while (r - l > 1) { long long int mid = (l + r) / 2; if (check(mid)) { l = mid; } else { r = mid; } } cout << l; }
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