답안 #937991

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
937991	2024-03-04T17:28:12 Z	vjudge1	Let's Win the Election (JOI22_ho_t3)	C++17	66 / 100	2500 ms	1108 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);
	bool special = true;
	for(int i = 0; i < N; i++){
		cin >> v[i].second >> v[i].first;
		if(v[i].first == -1) v[i].first = 1e9;
		else if(v[i].first != v[i].second) special = false;
	}
	sort(v.begin(), v.end());
	ld ans = 7e18;
	if(special){
		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);
		}
	}else if(K == N){
		for(ld collaborators = 0; collaborators < K; collaborators++){
			vector<ld> dp(collaborators + 1, 1e18);
			dp[0] = 0;
			for(int i = 0; i < N; i++){
				for(ld j = collaborators; j >= 0; j--){
					if(j != collaborators) dp[j+1] = min(dp[j+1], dp[j] + v[i].first / (j+1.0));
					dp[j] += v[i].second / (collaborators+1.0);
				}
			}
			ans = min(ans, dp[collaborators]);
		}
	}else{
		for(ld collaborators = 0; collaborators < K; collaborators++){
			vector<vector<ld>> dp(K+1, vector<ld>(collaborators + 1, 1e18));
			dp[0][0] = 0;
			for(int i = 0; i < N; i++){
				for(int elem = K - 1; elem >= 0; elem--){					
					for(ld j = collaborators; j >= 0; j--){
						if(j != collaborators) dp[elem+1][j+1] = min(dp[elem+1][j+1], dp[elem][j] + v[i].first / (j+1.0));
						dp[elem+1][j] = min(dp[elem+1][j], dp[elem][j] + v[i].second / (collaborators+1.0));
					}
				}
			}
			ans = min(ans, dp[K][collaborators]);
		}
	}
	cout << fixed << setprecision(8) << ans << "\n";
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	356 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	2 ms	348 KB	Output is correct
7	Correct	3 ms	348 KB	Output is correct
8	Correct	4 ms	348 KB	Output is correct
9	Correct	5 ms	492 KB	Output is correct
10	Correct	5 ms	344 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	356 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	2 ms	348 KB	Output is correct
7	Correct	3 ms	348 KB	Output is correct
8	Correct	4 ms	348 KB	Output is correct
9	Correct	5 ms	492 KB	Output is correct
10	Correct	5 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	2 ms	348 KB	Output is correct
13	Correct	4 ms	344 KB	Output is correct
14	Correct	4 ms	496 KB	Output is correct
15	Correct	6 ms	600 KB	Output is correct
16	Correct	6 ms	500 KB	Output is correct
17	Correct	8 ms	348 KB	Output is correct
18	Correct	5 ms	348 KB	Output is correct
19	Correct	8 ms	504 KB	Output is correct
20	Correct	9 ms	496 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	456 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	484 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	360 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	456 KB	Output is correct
36	Correct	1 ms	344 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	456 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	484 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	360 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	456 KB	Output is correct
36	Correct	1 ms	344 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	3 ms	344 KB	Output is correct
42	Correct	3 ms	348 KB	Output is correct
43	Correct	23 ms	344 KB	Output is correct
44	Correct	26 ms	500 KB	Output is correct
45	Correct	110 ms	528 KB	Output is correct
46	Correct	117 ms	584 KB	Output is correct
47	Correct	231 ms	668 KB	Output is correct
48	Correct	236 ms	596 KB	Output is correct
49	Correct	439 ms	664 KB	Output is correct
50	Correct	446 ms	1052 KB	Output is correct
51	Correct	71 ms	480 KB	Output is correct
52	Correct	71 ms	348 KB	Output is correct
53	Correct	231 ms	756 KB	Output is correct
54	Correct	243 ms	1108 KB	Output is correct
55	Correct	233 ms	760 KB	Output is correct
56	Correct	253 ms	676 KB	Output is correct
57	Correct	237 ms	624 KB	Output is correct
58	Correct	302 ms	592 KB	Output is correct
59	Correct	249 ms	528 KB	Output is correct
60	Correct	232 ms	592 KB	Output is correct

Subtask #6
0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	2537 ms	344 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	356 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	2 ms	348 KB	Output is correct
7	Correct	3 ms	348 KB	Output is correct
8	Correct	4 ms	348 KB	Output is correct
9	Correct	5 ms	492 KB	Output is correct
10	Correct	5 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	2 ms	348 KB	Output is correct
13	Correct	4 ms	344 KB	Output is correct
14	Correct	4 ms	496 KB	Output is correct
15	Correct	6 ms	600 KB	Output is correct
16	Correct	6 ms	500 KB	Output is correct
17	Correct	8 ms	348 KB	Output is correct
18	Correct	5 ms	348 KB	Output is correct
19	Correct	8 ms	504 KB	Output is correct
20	Correct	9 ms	496 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	1 ms	456 KB	Output is correct
43	Correct	1 ms	348 KB	Output is correct
44	Correct	1 ms	348 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	1 ms	348 KB	Output is correct
47	Correct	1 ms	348 KB	Output is correct
48	Correct	1 ms	484 KB	Output is correct
49	Correct	1 ms	348 KB	Output is correct
50	Correct	1 ms	348 KB	Output is correct
51	Correct	1 ms	360 KB	Output is correct
52	Correct	1 ms	348 KB	Output is correct
53	Correct	1 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	1 ms	456 KB	Output is correct
56	Correct	1 ms	344 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	1 ms	348 KB	Output is correct
59	Correct	1 ms	348 KB	Output is correct
60	Correct	1 ms	348 KB	Output is correct
61	Correct	3 ms	344 KB	Output is correct
62	Correct	3 ms	348 KB	Output is correct
63	Correct	23 ms	344 KB	Output is correct
64	Correct	26 ms	500 KB	Output is correct
65	Correct	110 ms	528 KB	Output is correct
66	Correct	117 ms	584 KB	Output is correct
67	Correct	231 ms	668 KB	Output is correct
68	Correct	236 ms	596 KB	Output is correct
69	Correct	439 ms	664 KB	Output is correct
70	Correct	446 ms	1052 KB	Output is correct
71	Correct	71 ms	480 KB	Output is correct
72	Correct	71 ms	348 KB	Output is correct
73	Correct	231 ms	756 KB	Output is correct
74	Correct	243 ms	1108 KB	Output is correct
75	Correct	233 ms	760 KB	Output is correct
76	Correct	253 ms	676 KB	Output is correct
77	Correct	237 ms	624 KB	Output is correct
78	Correct	302 ms	592 KB	Output is correct
79	Correct	249 ms	528 KB	Output is correct
80	Correct	232 ms	592 KB	Output is correct
81	Execution timed out	2537 ms	344 KB	Time limit exceeded
82	Halted	0 ms	0 KB	-

답안 #937991

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 5.0 / 5.0

Subtask #3 11.0 / 11.0

Subtask #4 12.0 / 12.0

Subtask #5 33.0 / 33.0

Subtask #6 0 / 11.0

Subtask #7 0 / 23.0

Subtask #1
5.0 / 5.0

Subtask #2
5.0 / 5.0

Subtask #3
11.0 / 11.0

Subtask #4
12.0 / 12.0

Subtask #5
33.0 / 33.0

Subtask #6
0 / 11.0

Subtask #7
0 / 23.0