답안 #938097

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
938097	2024-03-04T19:39:29 Z	esomer	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	795 ms	600 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(ld collaborators = 0; collaborators < K; collaborators++){
		int mx = K - collaborators;
		vector<ld> dp(mx+1, 1e18);
		dp[0] = 0;
		for(int i = 0; i < N; i++){
			for(int elem = mx; elem >= 0; elem--){					
				if(elem != mx){
					dp[elem+1] = min(dp[elem+1], dp[elem] + v[i].second / (1.0+collaborators));
				}
				int ind = i+1 - elem;
				if(ind <= 0) continue;
				if(ind <= collaborators) dp[elem] += v[i].first / (ld)ind;
			}
		}
		ans = min(ans, dp[mx]);
	}
	cout << fixed << setprecision(8) << ans << "\n";
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	6 ms	348 KB	Output is correct
6	Correct	38 ms	472 KB	Output is correct
7	Correct	155 ms	344 KB	Output is correct
8	Correct	398 ms	476 KB	Output is correct
9	Correct	619 ms	464 KB	Output is correct
10	Correct	291 ms	456 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	6 ms	348 KB	Output is correct
6	Correct	38 ms	472 KB	Output is correct
7	Correct	155 ms	344 KB	Output is correct
8	Correct	398 ms	476 KB	Output is correct
9	Correct	619 ms	464 KB	Output is correct
10	Correct	291 ms	456 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	54 ms	460 KB	Output is correct
13	Correct	67 ms	460 KB	Output is correct
14	Correct	54 ms	456 KB	Output is correct
15	Correct	289 ms	460 KB	Output is correct
16	Correct	286 ms	464 KB	Output is correct
17	Correct	287 ms	344 KB	Output is correct
18	Correct	647 ms	464 KB	Output is correct
19	Correct	607 ms	464 KB	Output is correct
20	Correct	777 ms	464 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	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	344 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	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	344 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	0 ms	348 KB	Output is correct
17	Correct	1 ms	548 KB	Output is correct
18	Correct	1 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	348 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	468 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	0 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	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	344 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	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	344 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	0 ms	348 KB	Output is correct
17	Correct	1 ms	548 KB	Output is correct
18	Correct	1 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	348 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	468 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	0 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	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	344 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	1 ms	344 KB	Output is correct
44	Correct	1 ms	344 KB	Output is correct
45	Correct	2 ms	348 KB	Output is correct
46	Correct	2 ms	348 KB	Output is correct
47	Correct	3 ms	348 KB	Output is correct
48	Correct	3 ms	344 KB	Output is correct
49	Correct	4 ms	348 KB	Output is correct
50	Correct	4 ms	348 KB	Output is correct
51	Correct	5 ms	348 KB	Output is correct
52	Correct	5 ms	468 KB	Output is correct
53	Correct	3 ms	348 KB	Output is correct
54	Correct	3 ms	348 KB	Output is correct
55	Correct	3 ms	488 KB	Output is correct
56	Correct	2 ms	348 KB	Output is correct
57	Correct	3 ms	348 KB	Output is correct
58	Correct	3 ms	348 KB	Output is correct
59	Correct	3 ms	348 KB	Output is correct
60	Correct	2 ms	348 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	650 ms	464 KB	Output is correct
2	Correct	611 ms	596 KB	Output is correct
3	Correct	795 ms	592 KB	Output is correct
4	Correct	602 ms	464 KB	Output is correct
5	Correct	615 ms	480 KB	Output is correct
6	Correct	621 ms	464 KB	Output is correct
7	Correct	610 ms	596 KB	Output is correct

Subtask #7
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	6 ms	348 KB	Output is correct
6	Correct	38 ms	472 KB	Output is correct
7	Correct	155 ms	344 KB	Output is correct
8	Correct	398 ms	476 KB	Output is correct
9	Correct	619 ms	464 KB	Output is correct
10	Correct	291 ms	456 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	54 ms	460 KB	Output is correct
13	Correct	67 ms	460 KB	Output is correct
14	Correct	54 ms	456 KB	Output is correct
15	Correct	289 ms	460 KB	Output is correct
16	Correct	286 ms	464 KB	Output is correct
17	Correct	287 ms	344 KB	Output is correct
18	Correct	647 ms	464 KB	Output is correct
19	Correct	607 ms	464 KB	Output is correct
20	Correct	777 ms	464 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	344 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	0 ms	344 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	0 ms	348 KB	Output is correct
37	Correct	1 ms	548 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	1 ms	348 KB	Output is correct
42	Correct	1 ms	348 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	468 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	1 ms	344 KB	Output is correct
51	Correct	1 ms	348 KB	Output is correct
52	Correct	0 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	0 ms	348 KB	Output is correct
56	Correct	0 ms	348 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	1 ms	348 KB	Output is correct
59	Correct	0 ms	348 KB	Output is correct
60	Correct	0 ms	344 KB	Output is correct
61	Correct	0 ms	348 KB	Output is correct
62	Correct	0 ms	348 KB	Output is correct
63	Correct	1 ms	344 KB	Output is correct
64	Correct	1 ms	344 KB	Output is correct
65	Correct	2 ms	348 KB	Output is correct
66	Correct	2 ms	348 KB	Output is correct
67	Correct	3 ms	348 KB	Output is correct
68	Correct	3 ms	344 KB	Output is correct
69	Correct	4 ms	348 KB	Output is correct
70	Correct	4 ms	348 KB	Output is correct
71	Correct	5 ms	348 KB	Output is correct
72	Correct	5 ms	468 KB	Output is correct
73	Correct	3 ms	348 KB	Output is correct
74	Correct	3 ms	348 KB	Output is correct
75	Correct	3 ms	488 KB	Output is correct
76	Correct	2 ms	348 KB	Output is correct
77	Correct	3 ms	348 KB	Output is correct
78	Correct	3 ms	348 KB	Output is correct
79	Correct	3 ms	348 KB	Output is correct
80	Correct	2 ms	348 KB	Output is correct
81	Correct	650 ms	464 KB	Output is correct
82	Correct	611 ms	596 KB	Output is correct
83	Correct	795 ms	592 KB	Output is correct
84	Correct	602 ms	464 KB	Output is correct
85	Correct	615 ms	480 KB	Output is correct
86	Correct	621 ms	464 KB	Output is correct
87	Correct	610 ms	596 KB	Output is correct
88	Correct	6 ms	344 KB	Output is correct
89	Correct	6 ms	348 KB	Output is correct
90	Correct	37 ms	348 KB	Output is correct
91	Correct	37 ms	348 KB	Output is correct
92	Correct	145 ms	460 KB	Output is correct
93	Correct	149 ms	460 KB	Output is correct
94	Correct	331 ms	344 KB	Output is correct
95	Correct	335 ms	464 KB	Output is correct
96	Correct	484 ms	468 KB	Output is correct
97	Correct	490 ms	596 KB	Output is correct
98	Correct	328 ms	460 KB	Output is correct
99	Correct	286 ms	464 KB	Output is correct
100	Correct	294 ms	464 KB	Output is correct
101	Correct	287 ms	480 KB	Output is correct
102	Correct	293 ms	468 KB	Output is correct
103	Correct	287 ms	600 KB	Output is correct
104	Correct	295 ms	464 KB	Output is correct
105	Correct	285 ms	460 KB	Output is correct

답안 #938097

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 11.0 / 11.0

Subtask #7 23.0 / 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
11.0 / 11.0

Subtask #7
23.0 / 23.0