Submission #320391

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
320391	2020-11-08T14:00:57 Z	NachoLibre	Asceticism (JOI18_asceticism)	C++14	49 / 100	50 ms	25080 KB

asceticism

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

const int mod = 1e9 + 7;
const int N = 3003, K = N;
int n, k, dp[N][K];

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> k;
	dp[0][0] = 1;
	for(int i = 1; i <= n; ++i) {
		dp[i][0] = dp[i - 1][0];
		for(int j = 1; j <= min(k, i - 1); ++j) {
			dp[i][j] = (1ll * dp[i - 1][j - 1] * (i - j) + 1ll * dp[i - 1][j] * (j + 1)) % mod;
		}
	}
	cout << dp[n][k - 1] << endl;
	return 0;
}

Subtask #1

4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	368 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	368 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	748 KB	Output is correct
12	Correct	1 ms	1516 KB	Output is correct
13	Correct	1 ms	1516 KB	Output is correct
14	Correct	2 ms	1688 KB	Output is correct
15	Correct	1 ms	1772 KB	Output is correct
16	Correct	1 ms	1772 KB	Output is correct
17	Correct	1 ms	1132 KB	Output is correct
18	Correct	1 ms	1516 KB	Output is correct
19	Correct	1 ms	876 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct

Subtask #3

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	368 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	748 KB	Output is correct
12	Correct	1 ms	1516 KB	Output is correct
13	Correct	1 ms	1516 KB	Output is correct
14	Correct	2 ms	1688 KB	Output is correct
15	Correct	1 ms	1772 KB	Output is correct
16	Correct	1 ms	1772 KB	Output is correct
17	Correct	1 ms	1132 KB	Output is correct
18	Correct	1 ms	1516 KB	Output is correct
19	Correct	1 ms	876 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	3 ms	4332 KB	Output is correct
22	Correct	2 ms	4332 KB	Output is correct
23	Correct	4 ms	5740 KB	Output is correct
24	Correct	4 ms	5868 KB	Output is correct
25	Correct	5 ms	6252 KB	Output is correct
26	Correct	6 ms	6380 KB	Output is correct
27	Correct	4 ms	6252 KB	Output is correct
28	Correct	2 ms	3436 KB	Output is correct
29	Correct	1 ms	1132 KB	Output is correct
30	Correct	4 ms	6252 KB	Output is correct

Subtask #4

0 / 51.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	368 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	748 KB	Output is correct
12	Correct	1 ms	1516 KB	Output is correct
13	Correct	1 ms	1516 KB	Output is correct
14	Correct	2 ms	1688 KB	Output is correct
15	Correct	1 ms	1772 KB	Output is correct
16	Correct	1 ms	1772 KB	Output is correct
17	Correct	1 ms	1132 KB	Output is correct
18	Correct	1 ms	1516 KB	Output is correct
19	Correct	1 ms	876 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	3 ms	4332 KB	Output is correct
22	Correct	2 ms	4332 KB	Output is correct
23	Correct	4 ms	5740 KB	Output is correct
24	Correct	4 ms	5868 KB	Output is correct
25	Correct	5 ms	6252 KB	Output is correct
26	Correct	6 ms	6380 KB	Output is correct
27	Correct	4 ms	6252 KB	Output is correct
28	Correct	2 ms	3436 KB	Output is correct
29	Correct	1 ms	1132 KB	Output is correct
30	Correct	4 ms	6252 KB	Output is correct
31	Runtime error	50 ms	25080 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
32	Halted	0 ms	0 KB	-