답안 #900631

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
900631	2024-01-08T17:37:55 Z	LinkedArray	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	151 ms	2676 KB

Main

#include <bits/stdc++.h>
using namespace std;

using ll = long long;
#define pb push_back

const int MAX_N = 500;

pair<int, int> hours[MAX_N + 5];
double dp[MAX_N + 5][MAX_N + 5];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
	
	int n, k, i, j, v;
	double ans;
	
	cin >> n >> k;
	for (i = 1; i <= n; i++) {
		cin >> hours[i].first >> hours[i].second;
		if (hours[i].second == -1) { hours[i].second = INT_MAX; }
	}
	
	sort(hours + 1, hours + n + 1, [](pair<int, int> a, pair<int, int> b) {
		return (a.second < b.second);
	});
	
	ans = INT_MAX;
	for (v = 0; v <= k; v++) {
		for (i = 0; i <= n; i++) {
			for (j = 0; j <= n; j++) {
				dp[i][j] = INT_MAX;
			}
		}
		
		dp[0][0] = 0;
		for (i = 1; i <= n; i++) {
			for (j = 0; j < i; j++) {
				dp[i][j] = min(dp[i][j], dp[i - 1][j] + ((i - j - 1 < v) ? ( (double) hours[i].second / (i - j) ) : 0));
				dp[i][j + 1] = min(dp[i][j + 1], dp[i - 1][j] + (double) hours[i].first / (v + 1));
			}
		}
		
		ans = min(ans, dp[n][k - v]);
	}
	
	cout << fixed << setprecision(15) << ans;
    return 0;
}

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	468 KB	Output is correct
5	Correct	12 ms	2648 KB	Output is correct
6	Correct	29 ms	2396 KB	Output is correct
7	Correct	59 ms	2396 KB	Output is correct
8	Correct	97 ms	2420 KB	Output is correct
9	Correct	127 ms	2424 KB	Output is correct
10	Correct	86 ms	2392 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	468 KB	Output is correct
5	Correct	12 ms	2648 KB	Output is correct
6	Correct	29 ms	2396 KB	Output is correct
7	Correct	59 ms	2396 KB	Output is correct
8	Correct	97 ms	2420 KB	Output is correct
9	Correct	127 ms	2424 KB	Output is correct
10	Correct	86 ms	2392 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	35 ms	2252 KB	Output is correct
13	Correct	36 ms	2392 KB	Output is correct
14	Correct	35 ms	2648 KB	Output is correct
15	Correct	87 ms	2396 KB	Output is correct
16	Correct	87 ms	2420 KB	Output is correct
17	Correct	88 ms	2420 KB	Output is correct
18	Correct	130 ms	2392 KB	Output is correct
19	Correct	133 ms	2392 KB	Output is correct
20	Correct	129 ms	2396 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	1 ms	348 KB	Output is correct
5	Correct	0 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	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	460 KB	Output is correct
13	Correct	1 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	1 ms	348 KB	Output is correct
5	Correct	0 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	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	460 KB	Output is correct
13	Correct	1 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	344 KB	Output is correct
17	Correct	0 ms	600 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	460 KB	Output is correct
22	Correct	0 ms	468 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	460 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	464 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	464 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	464 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	0 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	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	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 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	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	460 KB	Output is correct
13	Correct	1 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	344 KB	Output is correct
17	Correct	0 ms	600 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	460 KB	Output is correct
22	Correct	0 ms	468 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	460 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	464 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	464 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	464 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	0 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	348 KB	Output is correct
41	Correct	1 ms	860 KB	Output is correct
42	Correct	1 ms	860 KB	Output is correct
43	Correct	1 ms	1112 KB	Output is correct
44	Correct	1 ms	860 KB	Output is correct
45	Correct	1 ms	860 KB	Output is correct
46	Correct	1 ms	860 KB	Output is correct
47	Correct	1 ms	860 KB	Output is correct
48	Correct	1 ms	616 KB	Output is correct
49	Correct	2 ms	860 KB	Output is correct
50	Correct	1 ms	860 KB	Output is correct
51	Correct	2 ms	860 KB	Output is correct
52	Correct	3 ms	860 KB	Output is correct
53	Correct	1 ms	856 KB	Output is correct
54	Correct	1 ms	860 KB	Output is correct
55	Correct	1 ms	860 KB	Output is correct
56	Correct	1 ms	1108 KB	Output is correct
57	Correct	1 ms	860 KB	Output is correct
58	Correct	1 ms	860 KB	Output is correct
59	Correct	1 ms	860 KB	Output is correct
60	Correct	1 ms	776 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	151 ms	2396 KB	Output is correct
2	Correct	129 ms	2420 KB	Output is correct
3	Correct	127 ms	2392 KB	Output is correct
4	Correct	128 ms	2396 KB	Output is correct
5	Correct	130 ms	2392 KB	Output is correct
6	Correct	128 ms	2396 KB	Output is correct
7	Correct	129 ms	2420 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	468 KB	Output is correct
5	Correct	12 ms	2648 KB	Output is correct
6	Correct	29 ms	2396 KB	Output is correct
7	Correct	59 ms	2396 KB	Output is correct
8	Correct	97 ms	2420 KB	Output is correct
9	Correct	127 ms	2424 KB	Output is correct
10	Correct	86 ms	2392 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	35 ms	2252 KB	Output is correct
13	Correct	36 ms	2392 KB	Output is correct
14	Correct	35 ms	2648 KB	Output is correct
15	Correct	87 ms	2396 KB	Output is correct
16	Correct	87 ms	2420 KB	Output is correct
17	Correct	88 ms	2420 KB	Output is correct
18	Correct	130 ms	2392 KB	Output is correct
19	Correct	133 ms	2392 KB	Output is correct
20	Correct	129 ms	2396 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	1 ms	348 KB	Output is correct
25	Correct	0 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	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	344 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	460 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	344 KB	Output is correct
37	Correct	0 ms	600 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	0 ms	460 KB	Output is correct
42	Correct	0 ms	468 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	460 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	1 ms	344 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	464 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	464 KB	Output is correct
51	Correct	1 ms	348 KB	Output is correct
52	Correct	0 ms	348 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	0 ms	464 KB	Output is correct
55	Correct	0 ms	348 KB	Output is correct
56	Correct	1 ms	348 KB	Output is correct
57	Correct	0 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	348 KB	Output is correct
61	Correct	1 ms	860 KB	Output is correct
62	Correct	1 ms	860 KB	Output is correct
63	Correct	1 ms	1112 KB	Output is correct
64	Correct	1 ms	860 KB	Output is correct
65	Correct	1 ms	860 KB	Output is correct
66	Correct	1 ms	860 KB	Output is correct
67	Correct	1 ms	860 KB	Output is correct
68	Correct	1 ms	616 KB	Output is correct
69	Correct	2 ms	860 KB	Output is correct
70	Correct	1 ms	860 KB	Output is correct
71	Correct	2 ms	860 KB	Output is correct
72	Correct	3 ms	860 KB	Output is correct
73	Correct	1 ms	856 KB	Output is correct
74	Correct	1 ms	860 KB	Output is correct
75	Correct	1 ms	860 KB	Output is correct
76	Correct	1 ms	1108 KB	Output is correct
77	Correct	1 ms	860 KB	Output is correct
78	Correct	1 ms	860 KB	Output is correct
79	Correct	1 ms	860 KB	Output is correct
80	Correct	1 ms	776 KB	Output is correct
81	Correct	151 ms	2396 KB	Output is correct
82	Correct	129 ms	2420 KB	Output is correct
83	Correct	127 ms	2392 KB	Output is correct
84	Correct	128 ms	2396 KB	Output is correct
85	Correct	130 ms	2392 KB	Output is correct
86	Correct	128 ms	2396 KB	Output is correct
87	Correct	129 ms	2420 KB	Output is correct
88	Correct	12 ms	2444 KB	Output is correct
89	Correct	12 ms	2396 KB	Output is correct
90	Correct	29 ms	2444 KB	Output is correct
91	Correct	29 ms	2392 KB	Output is correct
92	Correct	62 ms	2676 KB	Output is correct
93	Correct	68 ms	2396 KB	Output is correct
94	Correct	94 ms	2392 KB	Output is correct
95	Correct	92 ms	2392 KB	Output is correct
96	Correct	113 ms	2392 KB	Output is correct
97	Correct	126 ms	2392 KB	Output is correct
98	Correct	86 ms	2420 KB	Output is correct
99	Correct	86 ms	2424 KB	Output is correct
100	Correct	91 ms	2396 KB	Output is correct
101	Correct	92 ms	2424 KB	Output is correct
102	Correct	87 ms	2396 KB	Output is correct
103	Correct	86 ms	2420 KB	Output is correct
104	Correct	91 ms	2396 KB	Output is correct
105	Correct	91 ms	2424 KB	Output is correct

답안 #900631

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