Submission #584815

#	Time	Username	Problem	Language	Result	Execution time	Memory
584815		amunduzbaev	Sure Bet (CEOI17_sure)	C++17	0 / 100	0 ms	212 KiB

sure

#include "bits/stdc++.h"
using namespace std;
 
#define ar array
typedef int64_t ll;

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n; cin>>n;
	vector<double> a(n), b(n);
	for(int i=0;i<n;i++){
		cin>>a[i]>>b[i];
	}
	sort(a.rbegin(), a.rend());
	sort(b.rbegin(), b.rend());
	for(int i=1;i<n;i++){
		a[i] += a[i-1];
	}
	for(int i=1;i<n;i++){
		b[i] += b[i-1];
	}
	double res = 0;
	for(int i=0;i<n;i++){
		int j = lower_bound(b.begin(), b.end(), a[i]) - b.begin();
		res = max(res, a[i] - i - j - 2);
	}
	
	for(int i=0;i<n;i++){
		int j = lower_bound(a.begin(), a.end(), b[i]) - a.begin();
		res = max(res, b[i] - i - j - 2);
	}
	
	printf("%.4lf",(double)res);
}

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