Submission #100558

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
100558	2019-03-12T09:01:01 Z	JPN20	Asceticism (JOI18_asceticism)	C++17	49 / 100	302 ms	142256 KB

asceticism

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

long long dp[3009][3009], mod = 1000000007;

long long solve(long long N, long long K) {
	for (int i = 0; i <= N; i++) { for (int j = 0; j <= N; j++) dp[i][j] = 0; }
	
	dp[0][0] = 1;
	for (int i = 0; i < N; i++) {
		for (int j = 0; j < N; j++) {
			dp[i + 1][j] += 1LL * (1LL + j) * dp[i][j]; dp[i + 1][j] %= mod;
			dp[i + 1][j + 1] += 1LL * (i - j) * dp[i][j]; dp[i + 1][j + 1] %= mod;
		}
	}
	return dp[N][K - 1];
}

int main() {
	long long A, B; cin >> A >> B;
	cout << solve(A, B) << endl;
	return 0;
}

Subtask #1

4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	512 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	512 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	512 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	512 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	3 ms	844 KB	Output is correct
12	Correct	5 ms	2304 KB	Output is correct
13	Correct	6 ms	2304 KB	Output is correct
14	Correct	7 ms	2304 KB	Output is correct
15	Correct	7 ms	2304 KB	Output is correct
16	Correct	5 ms	2304 KB	Output is correct
17	Correct	4 ms	1408 KB	Output is correct
18	Correct	5 ms	1792 KB	Output is correct
19	Correct	4 ms	1024 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct

Subtask #3

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	512 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	512 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	3 ms	844 KB	Output is correct
12	Correct	5 ms	2304 KB	Output is correct
13	Correct	6 ms	2304 KB	Output is correct
14	Correct	7 ms	2304 KB	Output is correct
15	Correct	7 ms	2304 KB	Output is correct
16	Correct	5 ms	2304 KB	Output is correct
17	Correct	4 ms	1408 KB	Output is correct
18	Correct	5 ms	1792 KB	Output is correct
19	Correct	4 ms	1024 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	36 ms	12232 KB	Output is correct
22	Correct	35 ms	12280 KB	Output is correct
23	Correct	33 ms	12160 KB	Output is correct
24	Correct	35 ms	12228 KB	Output is correct
25	Correct	39 ms	12280 KB	Output is correct
26	Correct	36 ms	12160 KB	Output is correct
27	Correct	36 ms	12160 KB	Output is correct
28	Correct	14 ms	5632 KB	Output is correct
29	Correct	4 ms	1408 KB	Output is correct
30	Correct	34 ms	12160 KB	Output is correct

Subtask #4

0 / 51.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	512 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	512 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	3 ms	844 KB	Output is correct
12	Correct	5 ms	2304 KB	Output is correct
13	Correct	6 ms	2304 KB	Output is correct
14	Correct	7 ms	2304 KB	Output is correct
15	Correct	7 ms	2304 KB	Output is correct
16	Correct	5 ms	2304 KB	Output is correct
17	Correct	4 ms	1408 KB	Output is correct
18	Correct	5 ms	1792 KB	Output is correct
19	Correct	4 ms	1024 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	36 ms	12232 KB	Output is correct
22	Correct	35 ms	12280 KB	Output is correct
23	Correct	33 ms	12160 KB	Output is correct
24	Correct	35 ms	12228 KB	Output is correct
25	Correct	39 ms	12280 KB	Output is correct
26	Correct	36 ms	12160 KB	Output is correct
27	Correct	36 ms	12160 KB	Output is correct
28	Correct	14 ms	5632 KB	Output is correct
29	Correct	4 ms	1408 KB	Output is correct
30	Correct	34 ms	12160 KB	Output is correct
31	Runtime error	302 ms	142256 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
32	Halted	0 ms	0 KB	-