oj.uz

답안 #199668

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
199668 2020-02-02T15:34:54 Z algorithm16 Sure Bet (CEOI17_sure) C++14
100 / 100
 209 ms 3952 KB 
#include<iostream>
#include<cstdio>
#include<vector>
#include<algorithm>
using namespace std;
vector <double> a;
vector <double> b;
int main()
{
	int n;
	cin >> n;
	double maxi=0;
	for(int i=0;i<n;i++) {
		double x,y;
		cin >> x >> y;
		a.push_back(x);
		b.push_back(y);
	}
	sort(a.begin(),a.end());
	sort(b.begin(),b.end());
	int inda=n-2,indb=n-2;
	double suma=a[n-1],sumb=b[n-1];
	for(int i=2;i<=n*2;i++) {
		maxi=max(maxi,min(suma,sumb)-i);
		if(suma<sumb && inda>=0) {
			suma+=a[inda];
			inda-=1;
		}
		else if(indb>=0) {
			sumb+=b[indb];
			indb-=1;
		}
		else {
			suma+=a[inda];
			inda-=1;
		}
	}
	maxi=max(maxi,min(suma,sumb)-2*n);
	printf("%.4lf",maxi);
	return 0;
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct

Subtask #2
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 300 KB Output is correct
12 Correct 7 ms 256 KB Output is correct
13 Correct 7 ms 376 KB Output is correct
14 Correct 7 ms 376 KB Output is correct
15 Correct 7 ms 376 KB Output is correct
16 Correct 7 ms 376 KB Output is correct

Subtask #3
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 300 KB Output is correct
12 Correct 7 ms 256 KB Output is correct
13 Correct 7 ms 376 KB Output is correct
14 Correct 7 ms 376 KB Output is correct
15 Correct 7 ms 376 KB Output is correct
16 Correct 7 ms 376 KB Output is correct
17 Correct 181 ms 2112 KB Output is correct
18 Correct 180 ms 2180 KB Output is correct
19 Correct 182 ms 2308 KB Output is correct
20 Correct 186 ms 3424 KB Output is correct
21 Correct 205 ms 3912 KB Output is correct
22 Correct 180 ms 3424 KB Output is correct
23 Correct 182 ms 3584 KB Output is correct
24 Correct 183 ms 3428 KB Output is correct
25 Correct 184 ms 3424 KB Output is correct
26 Correct 209 ms 3952 KB Output is correct