Submission #720409

#	Time	Username	Problem	Language	Result	Execution time	Memory
720409		thimote75	Sure Bet (CEOI17_sure)	C++14	20 / 100	1 ms	212 KiB

sure

#include <bits/stdc++.h>

using namespace std;

#define fd vector<float>

int main () {
    ios_base::sync_with_stdio(false); cin.tie(NULL);

    int n;
    cin >> n;

    fd a(n);
    fd b(n);
    for (int i = 0; i < n; i ++)
        cin >> a[i] >> b[i];
    
    sort(a.rbegin(), a.rend());
    sort(b.rbegin(), b.rend());

    for (int i = 1; i < n; i ++) {
        a[i] += a[i - 1];
        b[i] += b[i - 1];
    }

    float max_outcome = -1e18;
    for (int i = 0; i <= n; i ++) {
        for (int j = 0; j <= n; j ++) {
            max_outcome = max(max_outcome, min(i == 0 ? 0 : a[i - 1], j == 0 ? 0 : b[j - 1]) - (i + j));
        }
    }

    printf("%.4lf", (double)max_outcome);
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 40
• Subtask 3: 0 / 40