Submission #52652

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
52652	2018-06-26T10:38:13 Z	snat123	Sure Bet (CEOI17_sure)	C++14	20 / 100	4 ms	568 KB

sure

#include<bits/stdc++.h>
 
using namespace std;
 
int main(){
    int n;
    cin >> n;
    double a[n], b[n];
    for(int i=0; i<n; i++) cin >> a[i] >> b[i];
    sort(a, a+n);
	sort(b, b+n);
	int i=n-1, j=n-1;
	double x=0, y=0, res=0.0;
	while(i>=0 || j>=0){
		if(x>=y || i<0){
			y+=b[j--];
			x-=1;
			y-=1;
			res=max(res, min(x, y));
			
		}
		else{
			x+=a[i--];
			y-=1;
			x-=1;
			res=max(res, min(x, y));
		}
	}
	printf("%.4lf", res);
    return 0;
} 

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	380 KB	Output is correct
2	Correct	3 ms	480 KB	Output is correct
3	Correct	3 ms	532 KB	Output is correct
4	Correct	2 ms	532 KB	Output is correct
5	Correct	2 ms	532 KB	Output is correct
6	Correct	2 ms	532 KB	Output is correct

Subtask #2

0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	380 KB	Output is correct
2	Correct	3 ms	480 KB	Output is correct
3	Correct	3 ms	532 KB	Output is correct
4	Correct	2 ms	532 KB	Output is correct
5	Correct	2 ms	532 KB	Output is correct
6	Correct	2 ms	532 KB	Output is correct
7	Correct	2 ms	532 KB	Output is correct
8	Correct	2 ms	540 KB	Output is correct
9	Correct	2 ms	540 KB	Output is correct
10	Correct	2 ms	540 KB	Output is correct
11	Incorrect	2 ms	568 KB	Output isn't correct
12	Halted	0 ms	0 KB	-

Subtask #3

0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	380 KB	Output is correct
2	Correct	3 ms	480 KB	Output is correct
3	Correct	3 ms	532 KB	Output is correct
4	Correct	2 ms	532 KB	Output is correct
5	Correct	2 ms	532 KB	Output is correct
6	Correct	2 ms	532 KB	Output is correct
7	Correct	2 ms	532 KB	Output is correct
8	Correct	2 ms	540 KB	Output is correct
9	Correct	2 ms	540 KB	Output is correct
10	Correct	2 ms	540 KB	Output is correct
11	Incorrect	2 ms	568 KB	Output isn't correct
12	Halted	0 ms	0 KB	-