Submission #1358045

#	Time	Username	Problem	Language	Result	Execution time	Memory
1358045		SulA	Self Study (JOI22_ho_t2)	C++20	54 / 100	108 ms	1576 KiB

Main

#include <bits/stdc++.h>
using namespace std;
using namespace chrono;

int main() {
    int n,m; cin >> n >> m;
    int A[n];
    for (int i = 0; i < n; cin >> A[i++]);

    auto check = [&](long long x) {
        long long need = 0;
        for (int i = 0; i < n; i++) {
            need += 1 + (x-1)/A[i];
            if (need > 1ll*n*m) return false;
        }
        return true;
    };

    long long l = 0, r = 2e18;
    while (l+1 < r) {
        auto mid = (l+r)/2;
        if (check(mid)) l = mid;
        else r = mid;
    }
    cout << l;
}

• Subtask 1: 0 / 10
• Subtask 2: 25 / 25
• Subtask 3: 0 / 27
• Subtask 4: 29 / 29
• Subtask 5: 0 / 9