제출 #1028923

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1028923		tvladm2009	Self Study (JOI22_ho_t2)	C++17	0 / 100	92 ms	10904 KiB

Main

#include <bits/stdc++.h>

using namespace std;
#define int long long

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    vector<int> a(n + 1), b(n + 1);
    for (int i = 1; i <= n; ++i) cin >> a[i];
    for (int i = 1; i <= n; ++i) cin >> b[i];
    for (int i = 1; i <= n; ++i) a[i] = max(a[i], b[i]);

    int l = 1, r = 1e18, sol = 0;
    while (l <= r) {
        int mid = (l + r) / 2;
        int days = 0;
        int need = 0;
        for (int i = 1; i <= n; ++i) {
            if (a[i] * m >= mid) {
                days += (a[i] * m - mid) / a[i];
            } else {
                need += (mid - a[i] * m + b[i] - 1) / b[i];
            }
        }
        if (need <= days) {
            sol = mid;
            l = mid + 1;
        } else {
            r = mid - 1;
        }
    }
    cout << sol << "\n";
    return 0;
}

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