Submission #526354

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
526354	2022-02-14T13:12:55 Z	model_code	Let's Win the Election (JOI22_ho_t3)	C++17	23 / 100	319 ms	332 KB

Main

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

struct Election {
	int a, b;
};

bool operator<(const Election &a1, const Election &a2) {
	if (a1.b < a2.b) return true;
	if (a1.b > a2.b) return false;
	if (a1.a < a2.a) return true;
	return false;
}

int N, K;
Election E[25];

int main() {
	// Step #1. Input
	cin >> N >> K;
	for (int i = 0; i < N; i++) cin >> E[i].a >> E[i].b;
	sort(E, E + N);
	
	// Step #2. Brute Force
	double Answer = 1e9;
	for (int i = 0; i < (1 << N); i++) {
		vector<int> vec;
		double Current = 0;
		int Votes = 0;
		for (int j = 0; j < N; j++) {
			if ((i & (1 << j)) == 0 && E[j].b != -1) {
				Current += 1.0 * E[j].b / (Votes + 1);
				Votes += 1;
			}
			else {
				vec.push_back(E[j].a);
			}
		}
		sort(vec.begin(), vec.end());
		for (int j = 0; j < K-Votes; j++) {
			Current += 1.0 * vec[j] / (Votes + 1);
		}
		
		Answer = min(Answer, Current);
	}
	
	// Step #3. Output
	printf("%.12lf\n", Answer);
	return 0;
}

Subtask #1

0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Runtime error	3 ms	332 KB	Execution killed with signal 11
6	Halted	0 ms	0 KB	-

Subtask #2

0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Runtime error	3 ms	332 KB	Execution killed with signal 11
6	Halted	0 ms	0 KB	-

Subtask #3

11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct

Subtask #4

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	265 ms	264 KB	Output is correct
17	Correct	267 ms	264 KB	Output is correct
18	Correct	273 ms	272 KB	Output is correct
19	Correct	279 ms	264 KB	Output is correct
20	Correct	260 ms	264 KB	Output is correct
21	Correct	302 ms	264 KB	Output is correct
22	Correct	307 ms	268 KB	Output is correct
23	Correct	265 ms	268 KB	Output is correct
24	Correct	299 ms	272 KB	Output is correct
25	Correct	299 ms	268 KB	Output is correct
26	Correct	292 ms	264 KB	Output is correct
27	Correct	304 ms	264 KB	Output is correct
28	Correct	288 ms	280 KB	Output is correct
29	Correct	290 ms	268 KB	Output is correct
30	Correct	308 ms	268 KB	Output is correct
31	Correct	293 ms	268 KB	Output is correct
32	Correct	274 ms	268 KB	Output is correct
33	Correct	319 ms	268 KB	Output is correct
34	Correct	264 ms	204 KB	Output is correct
35	Correct	296 ms	272 KB	Output is correct
36	Correct	266 ms	268 KB	Output is correct
37	Correct	238 ms	204 KB	Output is correct
38	Correct	259 ms	268 KB	Output is correct
39	Correct	239 ms	264 KB	Output is correct
40	Correct	265 ms	268 KB	Output is correct

Subtask #5

0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	265 ms	264 KB	Output is correct
17	Correct	267 ms	264 KB	Output is correct
18	Correct	273 ms	272 KB	Output is correct
19	Correct	279 ms	264 KB	Output is correct
20	Correct	260 ms	264 KB	Output is correct
21	Correct	302 ms	264 KB	Output is correct
22	Correct	307 ms	268 KB	Output is correct
23	Correct	265 ms	268 KB	Output is correct
24	Correct	299 ms	272 KB	Output is correct
25	Correct	299 ms	268 KB	Output is correct
26	Correct	292 ms	264 KB	Output is correct
27	Correct	304 ms	264 KB	Output is correct
28	Correct	288 ms	280 KB	Output is correct
29	Correct	290 ms	268 KB	Output is correct
30	Correct	308 ms	268 KB	Output is correct
31	Correct	293 ms	268 KB	Output is correct
32	Correct	274 ms	268 KB	Output is correct
33	Correct	319 ms	268 KB	Output is correct
34	Correct	264 ms	204 KB	Output is correct
35	Correct	296 ms	272 KB	Output is correct
36	Correct	266 ms	268 KB	Output is correct
37	Correct	238 ms	204 KB	Output is correct
38	Correct	259 ms	268 KB	Output is correct
39	Correct	239 ms	264 KB	Output is correct
40	Correct	265 ms	268 KB	Output is correct
41	Runtime error	1 ms	332 KB	Execution killed with signal 11
42	Halted	0 ms	0 KB	-

Subtask #6

0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	1 ms	332 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #7

0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Runtime error	3 ms	332 KB	Execution killed with signal 11
6	Halted	0 ms	0 KB	-