Submission #964605

#	Time	Username	Problem	Language	Result	Execution time	Memory
964605		Trisanu_Das	Sure Bet (CEOI17_sure)	C++17	100 / 100	66 ms	3740 KiB

sure

#include <bits/stdc++.h>
using namespace std;
 
const int mxN=1e5;
int n;
double a[mxN+1], b[mxN+1], ans, sa, sb;
 
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin >> n;
	for(int i=0; i<n; ++i)
		cin >> a[i] >> b[i];
	sort(a, a+n+1);
	sort(b, b+n+1);
	for(int i1=n, i2=n; i1>=0&&i2>=0; ) {
		if(sa<sb) sa += a[i1--];
		else sb += b[i2--];
		ans=max(min(sa, sb) - (n - i1) - (n-i2), ans);
	}
	cout << fixed << setprecision(4) << ans;
}

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