Submission #447343

#	Time	Username	Problem	Language	Result	Execution time	Memory
447343		fuad27	Sure Bet (CEOI17_sure)	C++14	60 / 100	2084 ms	4668 KiB

sure

#include<bits/stdc++.h>
using namespace std;
int main () {
	int n;cin>>n;
	long double ans = 0.0;
	long double a[n], b[n];
	for(int i = 0;i<n;i++){
		cin>>a[i]>>b[i];
	}
	sort(a, a+n, greater<long double> () );sort(b, b+n, greater<long double> ());
	for(int i = 1;i<n;i++)a[i]+=a[i-1],b[i]+=b[i-1];
	for(int i=0;i<n;i++)
	{
		for(int j = 0;j<n;j++){
			ans=max(ans, min(a[i], b[j]) - i - j - 2);
		}
	}cout<<fixed<<setprecision(4)<<ans<<endl;
}

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