Submission #199666

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
199666	2020-02-02T15:26:50 Z	algorithm16	Sure Bet (CEOI17_sure)	C++14	60 / 100	188 ms	5344 KB

sure

#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 {
			sumb+=b[indb];
			indb-=1;
		}
	}
	printf("%.4lf",maxi);
	return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	368 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

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	368 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	5 ms	256 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	6 ms	256 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	7 ms	376 KB	Output is correct
13	Correct	7 ms	252 KB	Output is correct
14	Correct	7 ms	376 KB	Output is correct
15	Correct	8 ms	380 KB	Output is correct
16	Correct	7 ms	376 KB	Output is correct

Subtask #3

0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	368 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	5 ms	256 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	6 ms	256 KB	Output is correct
11	Correct	5 ms	256 KB	Output is correct
12	Correct	7 ms	376 KB	Output is correct
13	Correct	7 ms	252 KB	Output is correct
14	Correct	7 ms	376 KB	Output is correct
15	Correct	8 ms	380 KB	Output is correct
16	Correct	7 ms	376 KB	Output is correct
17	Correct	181 ms	3436 KB	Output is correct
18	Correct	188 ms	3424 KB	Output is correct
19	Runtime error	186 ms	5344 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
20	Halted	0 ms	0 KB	-