Submission #637529

#	Time	Username	Problem	Language	Result	Execution time	Memory
637529		bonk	Sure Bet (CEOI17_sure)	C++14	100 / 100	93 ms	3832 KiB

sure

#include <bits/stdc++.h>

using namespace std;

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n; cin >> n;
    priority_queue<double>a, b;

    for(int i = 0; i < n; i++){
        double x, y; cin >> x >> y;
        a.push(x);
        b.push(y);
    }

    double curA = 0, curB = 0, taken = 0, ans = 0;

    while(!a.empty() || !b.empty()){
        if(curA < curB && !a.empty()){
            curA += a.top(); a.pop();
        } else if(!b.empty()){
            curB += b.top(); b.pop();
        } else{
            curA += a.top(); a.pop();
        }

        taken++;

        ans = max(ans, min(curA - taken, curB - taken));
    }

    cout << fixed << setprecision(4) << ans << '\n';

    return 0;
}

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