Submission #979157

#	Time	Username	Problem	Language	Result	Execution time	Memory
979157		vjudge1	Self Study (JOI22_ho_t2)	C++17	25 / 100	497 ms	11376 KiB

Main

#include<bits/stdc++.h>
#define ft first
#define sd second
#define pb push_back
#define nl "\n"
#define int ll
typedef long long ll;
typedef long double ld;
using namespace std;

const int mod = 1e9 + 7;
const int N = 2000;

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int T = 1;
    while(T--) {
        int n, m;
        cin >> n >> m;
        int a[n + 1], b[n + 1], mn = 1e18, mx = 0;
        for (int i = 1; i <= n; i++) {
            cin >> a[i];
            mn = min( mn, a[i] * m);
            mx = max( mx, a[i] * m);
        }
        for (int i = 1; i <= n; i++) {
            cin >> b[i];
        }
        int l = mn, r = mx;
        while(l + 1 < r) {
            int mid = (l + r) / 2;
            int s = 0;
            for (int i = 1; i <= n; i++) {
                if (a[i] * m >= mid) {
                    s += (a[i] * m - mid) / a[i];
                } else {
                    s -= (mid - a[i] * m) / a[i];
                    if (mid % a[i] != 0) {
                        s--;
                    }
                }
            }
            if (s >= 0) {
                l = mid;
            } else {
                r = mid;
            }
        }
        cout << l << nl;
    }
}

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