답안 #888075

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
888075	2023-12-15T22:50:16 Z	Hakiers	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	1014 ms	4696 KB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long double ld;
constexpr int MAXN = 5e2 + 8;
constexpr ld oo = 2e10;
ld dp[MAXN][MAXN];
pair<ld, ld> T[MAXN];
int n, k;

ld check(ld m){
	
	for(int i = 0; i <= n; i++)
		for(int j = 0; j <= k; j++)
			dp[i][j] = oo;

	dp[0][0] = 0;

	for(int i = 1; i <= n; i++){
		for(int j = 0; j <= min(k-(int)m, i); j++){
			//dokladamy A
			//if(j < i) dp[i][j] = min(dp[i][j], (j?(dp[i-1][j-1] + (T[i].second/(m+1)): oo));
			//dokladamy B
			//dp[i][j] = (dp[i-1][j] + (T[i].first/min((ld)(i-j), m+1)));
			
			//min((j?(dp[i-1][j-1] + T[i].second/(m+1)): oo), ((i-j)?(dp[i-1][j] + T[i].first/min((ld)(i-j), m+1)): oo));
			//dokladamy A
			dp[i][j+1] = min(dp[i][j+1], dp[i-1][j] + (T[i].second/(m+1)));
			//dokladamy B
			if(i-j)
			dp[i][j] = min(dp[i][j], dp[i-1][j] + ((i-j <= m)? (T[i].first/min((ld)(i-j), m+1)):0));
		}
	}
	
	return dp[n][k-(int)m];
}

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> k;
	
	for(int i = 1; i <= n; i++){
		ld a, b;
		cin >> a >> b;
		if(b == -1) b = oo;
		T[i] = {b, a};
	}
	sort(T+1, T+1+n);
	
	ld best = oo;
	
	for(int i = 0; i <= (k-1); i++)
		best = min(best, check(i));
		
	cout << fixed << setprecision(9) << best << "\n";
}

Subtask #1
5.0 / 5.0

#	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	13 ms	3712 KB	Output is correct
6	Correct	75 ms	3932 KB	Output is correct
7	Correct	280 ms	4688 KB	Output is correct
8	Correct	600 ms	4444 KB	Output is correct
9	Correct	1008 ms	4692 KB	Output is correct
10	Correct	525 ms	4444 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	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	13 ms	3712 KB	Output is correct
6	Correct	75 ms	3932 KB	Output is correct
7	Correct	280 ms	4688 KB	Output is correct
8	Correct	600 ms	4444 KB	Output is correct
9	Correct	1008 ms	4692 KB	Output is correct
10	Correct	525 ms	4444 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	106 ms	4064 KB	Output is correct
13	Correct	105 ms	4064 KB	Output is correct
14	Correct	105 ms	3932 KB	Output is correct
15	Correct	524 ms	4696 KB	Output is correct
16	Correct	534 ms	4444 KB	Output is correct
17	Correct	524 ms	4444 KB	Output is correct
18	Correct	1006 ms	4692 KB	Output is correct
19	Correct	1006 ms	4688 KB	Output is correct
20	Correct	1006 ms	4452 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 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	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	600 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 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	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 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	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	600 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 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	0 ms	344 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 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	1 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	0 ms	348 KB	Output is correct
31	Correct	0 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	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	0 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

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 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	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	600 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 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	0 ms	344 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 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	1 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	0 ms	348 KB	Output is correct
31	Correct	0 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	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	0 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	2396 KB	Output is correct
42	Correct	1 ms	2392 KB	Output is correct
43	Correct	2 ms	2396 KB	Output is correct
44	Correct	2 ms	2396 KB	Output is correct
45	Correct	3 ms	2396 KB	Output is correct
46	Correct	3 ms	2616 KB	Output is correct
47	Correct	5 ms	2396 KB	Output is correct
48	Correct	5 ms	2616 KB	Output is correct
49	Correct	6 ms	2396 KB	Output is correct
50	Correct	6 ms	2392 KB	Output is correct
51	Correct	9 ms	2396 KB	Output is correct
52	Correct	9 ms	2396 KB	Output is correct
53	Correct	4 ms	2392 KB	Output is correct
54	Correct	4 ms	2396 KB	Output is correct
55	Correct	5 ms	2396 KB	Output is correct
56	Correct	4 ms	2396 KB	Output is correct
57	Correct	4 ms	2396 KB	Output is correct
58	Correct	4 ms	2396 KB	Output is correct
59	Correct	4 ms	2612 KB	Output is correct
60	Correct	5 ms	2396 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1008 ms	4452 KB	Output is correct
2	Correct	1008 ms	4452 KB	Output is correct
3	Correct	1006 ms	4452 KB	Output is correct
4	Correct	1002 ms	4448 KB	Output is correct
5	Correct	1004 ms	4448 KB	Output is correct
6	Correct	1014 ms	4444 KB	Output is correct
7	Correct	1004 ms	4688 KB	Output is correct

Subtask #7
23.0 / 23.0

#	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	13 ms	3712 KB	Output is correct
6	Correct	75 ms	3932 KB	Output is correct
7	Correct	280 ms	4688 KB	Output is correct
8	Correct	600 ms	4444 KB	Output is correct
9	Correct	1008 ms	4692 KB	Output is correct
10	Correct	525 ms	4444 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	106 ms	4064 KB	Output is correct
13	Correct	105 ms	4064 KB	Output is correct
14	Correct	105 ms	3932 KB	Output is correct
15	Correct	524 ms	4696 KB	Output is correct
16	Correct	534 ms	4444 KB	Output is correct
17	Correct	524 ms	4444 KB	Output is correct
18	Correct	1006 ms	4692 KB	Output is correct
19	Correct	1006 ms	4688 KB	Output is correct
20	Correct	1006 ms	4452 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	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	0 ms	344 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	0 ms	348 KB	Output is correct
31	Correct	1 ms	600 KB	Output is correct
32	Correct	0 ms	344 KB	Output is correct
33	Correct	0 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	0 ms	344 KB	Output is correct
38	Correct	0 ms	344 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	0 ms	344 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	1 ms	348 KB	Output is correct
44	Correct	0 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	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	0 ms	348 KB	Output is correct
51	Correct	0 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	0 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	0 ms	348 KB	Output is correct
58	Correct	0 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	1 ms	2396 KB	Output is correct
62	Correct	1 ms	2392 KB	Output is correct
63	Correct	2 ms	2396 KB	Output is correct
64	Correct	2 ms	2396 KB	Output is correct
65	Correct	3 ms	2396 KB	Output is correct
66	Correct	3 ms	2616 KB	Output is correct
67	Correct	5 ms	2396 KB	Output is correct
68	Correct	5 ms	2616 KB	Output is correct
69	Correct	6 ms	2396 KB	Output is correct
70	Correct	6 ms	2392 KB	Output is correct
71	Correct	9 ms	2396 KB	Output is correct
72	Correct	9 ms	2396 KB	Output is correct
73	Correct	4 ms	2392 KB	Output is correct
74	Correct	4 ms	2396 KB	Output is correct
75	Correct	5 ms	2396 KB	Output is correct
76	Correct	4 ms	2396 KB	Output is correct
77	Correct	4 ms	2396 KB	Output is correct
78	Correct	4 ms	2396 KB	Output is correct
79	Correct	4 ms	2612 KB	Output is correct
80	Correct	5 ms	2396 KB	Output is correct
81	Correct	1008 ms	4452 KB	Output is correct
82	Correct	1008 ms	4452 KB	Output is correct
83	Correct	1006 ms	4452 KB	Output is correct
84	Correct	1002 ms	4448 KB	Output is correct
85	Correct	1004 ms	4448 KB	Output is correct
86	Correct	1014 ms	4444 KB	Output is correct
87	Correct	1004 ms	4688 KB	Output is correct
88	Correct	14 ms	3672 KB	Output is correct
89	Correct	13 ms	3676 KB	Output is correct
90	Correct	75 ms	3932 KB	Output is correct
91	Correct	74 ms	3932 KB	Output is correct
92	Correct	279 ms	4444 KB	Output is correct
93	Correct	283 ms	4444 KB	Output is correct
94	Correct	592 ms	4444 KB	Output is correct
95	Correct	594 ms	4444 KB	Output is correct
96	Correct	830 ms	4448 KB	Output is correct
97	Correct	834 ms	4448 KB	Output is correct
98	Correct	525 ms	4688 KB	Output is correct
99	Correct	522 ms	4440 KB	Output is correct
100	Correct	550 ms	4444 KB	Output is correct
101	Correct	528 ms	4448 KB	Output is correct
102	Correct	522 ms	4444 KB	Output is correct
103	Correct	525 ms	4440 KB	Output is correct
104	Correct	526 ms	4692 KB	Output is correct
105	Correct	521 ms	4440 KB	Output is correct

답안 #888075

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