Submission #155578

#	Time	Username	Problem	Language	Result	Execution time	Memory
155578		AMD	Sure Bet (CEOI17_sure)	C++11	0 / 100	2 ms	256 KiB

sure

#include <iostream>
#include <algorithm>
using namespace std;
int n, i, k, m, j;
double a[100001], b[100001], sa, sb, x;
int main ()
{
	cin>>n;
	for(i=0; i<n; i++)
	cin>>a[i]>>b[i];
	sort(a, a+n);
	sort(b, b+n);
	sa=a[n-1]; sb=b[n-1]; m=2; i=2; j=2;
	while(k!=1)
	{
		if(sa<sb && sa+a[n-i]-(m+1)>0 && sb-(m+1)>0)
		{sa+=a[n-i]; i++; m++;}
		else
		if(sa>sb && sb+b[n-j]-(m+1)>0 && sa-(m+1)>0)
		{sb+=b[n-j]; j++; m++;}
		else
		break;
	}
	x=min(sa, sb)-m;
	printf("%.4lf",(double)x);
}

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