Submission #937950

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
937950	2024-03-04T17:04:04 Z	vjudge1	Let's Win the Election (JOI22_ho_t3)	C++17	10 / 100	10 ms	500 KB

Main

#include <bits/stdc++.h>

using namespace std;

typedef long double ld;

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int N, K; cin >> N >> K;
	vector<pair<ld, ld>> v(N);
	for(int i = 0; i < N; i++){
		cin >> v[i].second >> v[i].first;
		if(v[i].first == -1) v[i].first = 1e9;
	}
	sort(v.begin(), v.end());
	ld ans = 7e18;
	for(int collaborators = 0; collaborators < K; collaborators++){
		ld cost = 0;
		ld hv = 1;
		for(int i = 0; i < collaborators; i++){
			cost += v[i].first / hv;
			hv++;
		}
		vector<ld> a;
		for(int i = collaborators; i < N; i++){
			a.push_back(v[i].second);
		}
		sort(a.begin(), a.end());
		for(int i = 0; i < K - collaborators; i++){
			cost += a[i] / hv;
		}
		ans = min(ans, cost);
	}
	cout << fixed << setprecision(8) << ans << "\n";
}

Subtask #1

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	2 ms	344 KB	Output is correct
7	Correct	5 ms	348 KB	Output is correct
8	Correct	4 ms	344 KB	Output is correct
9	Correct	5 ms	496 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct

Subtask #2

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	2 ms	344 KB	Output is correct
7	Correct	5 ms	348 KB	Output is correct
8	Correct	4 ms	344 KB	Output is correct
9	Correct	5 ms	496 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	2 ms	344 KB	Output is correct
13	Correct	4 ms	348 KB	Output is correct
14	Correct	3 ms	500 KB	Output is correct
15	Correct	4 ms	348 KB	Output is correct
16	Correct	6 ms	496 KB	Output is correct
17	Correct	8 ms	348 KB	Output is correct
18	Correct	5 ms	344 KB	Output is correct
19	Correct	8 ms	348 KB	Output is correct
20	Correct	7 ms	348 KB	Output is correct

Subtask #3

0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Incorrect	0 ms	348 KB	Output isn't correct
10	Halted	0 ms	0 KB	-

Subtask #4

0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Incorrect	0 ms	348 KB	Output isn't correct
10	Halted	0 ms	0 KB	-

Subtask #5

0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Incorrect	0 ms	348 KB	Output isn't correct
10	Halted	0 ms	0 KB	-

Subtask #6

0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	10 ms	348 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #7

0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	2 ms	344 KB	Output is correct
7	Correct	5 ms	348 KB	Output is correct
8	Correct	4 ms	344 KB	Output is correct
9	Correct	5 ms	496 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	2 ms	344 KB	Output is correct
13	Correct	4 ms	348 KB	Output is correct
14	Correct	3 ms	500 KB	Output is correct
15	Correct	4 ms	348 KB	Output is correct
16	Correct	6 ms	496 KB	Output is correct
17	Correct	8 ms	348 KB	Output is correct
18	Correct	5 ms	344 KB	Output is correct
19	Correct	8 ms	348 KB	Output is correct
20	Correct	7 ms	348 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	344 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Incorrect	0 ms	348 KB	Output isn't correct
30	Halted	0 ms	0 KB	-