Submission #954477

#	Time	Username	Problem	Language	Result	Execution time	Memory
954477		mocha	Sure Bet (CEOI17_sure)	C++14	60 / 100	2012 ms	4856 KiB

sure

#include <bits/stdc++.h>
using namespace std;
const int mx = 1e5+5;

int n;
long double a[mx], b[mx];
long double ans = 0;

int main() {
	cin.tie(0);ios::sync_with_stdio(0);

	cin >> n;
	for (int i=0;i<n;i++) {
		cin >> a[i] >> b[i];
	}
	sort(a, a+n); reverse(a, a+n);
	sort(b, b+n); reverse(b, b+n);
	long double sa = 0;
	for (int i=0;i<n;i++) {
		sa += a[i];
		long double sb = 0;
		for (int j=0;j<n;j++) {
			sb += b[j];
			ans = max(ans, min(sa - i - j - 2, sb - i - j - 2));
		}
	}
	cout << fixed << setprecision(4) << ans << "\n";
}

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