답안 #52679

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
52679	2018-06-26T11:01:47 Z	snat123	Sure Bet (CEOI17_sure)	C++14	60 / 100	143 ms	2340 KB

sure

#include<bits/stdc++.h>
 
using namespace std;
 
double a[100001], b[100001];

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
    int n;
    cin >> 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=0.0, y=0.0, res=0.0;
	while(i>=0 || j>=0){
		if(j>=0 && x>y) y+=b[j--];
		else x+=a[i--];
		res=max(res, min(x, y)-(n-i)-(n-j)+2);
	}
	cout << fixed << setprecision(4) << res;
    return 0;
} 

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	3 ms	452 KB	Output is correct
3	Correct	3 ms	452 KB	Output is correct
4	Correct	3 ms	452 KB	Output is correct
5	Correct	4 ms	452 KB	Output is correct
6	Correct	3 ms	452 KB	Output is correct

Subtask #2

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	3 ms	452 KB	Output is correct
3	Correct	3 ms	452 KB	Output is correct
4	Correct	3 ms	452 KB	Output is correct
5	Correct	4 ms	452 KB	Output is correct
6	Correct	3 ms	452 KB	Output is correct
7	Correct	3 ms	452 KB	Output is correct
8	Correct	4 ms	452 KB	Output is correct
9	Correct	3 ms	496 KB	Output is correct
10	Correct	4 ms	500 KB	Output is correct
11	Correct	3 ms	520 KB	Output is correct
12	Correct	5 ms	596 KB	Output is correct
13	Correct	4 ms	596 KB	Output is correct
14	Correct	5 ms	596 KB	Output is correct
15	Correct	4 ms	724 KB	Output is correct
16	Correct	5 ms	724 KB	Output is correct

Subtask #3

0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	3 ms	452 KB	Output is correct
3	Correct	3 ms	452 KB	Output is correct
4	Correct	3 ms	452 KB	Output is correct
5	Correct	4 ms	452 KB	Output is correct
6	Correct	3 ms	452 KB	Output is correct
7	Correct	3 ms	452 KB	Output is correct
8	Correct	4 ms	452 KB	Output is correct
9	Correct	3 ms	496 KB	Output is correct
10	Correct	4 ms	500 KB	Output is correct
11	Correct	3 ms	520 KB	Output is correct
12	Correct	5 ms	596 KB	Output is correct
13	Correct	4 ms	596 KB	Output is correct
14	Correct	5 ms	596 KB	Output is correct
15	Correct	4 ms	724 KB	Output is correct
16	Correct	5 ms	724 KB	Output is correct
17	Correct	124 ms	2284 KB	Output is correct
18	Correct	116 ms	2284 KB	Output is correct
19	Correct	131 ms	2340 KB	Output is correct
20	Incorrect	143 ms	2340 KB	Output isn't correct
21	Halted	0 ms	0 KB	-