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Submission #114128

# Submission time Handle Problem Language Result Execution time Memory
114128 2019-05-30T13:21:11 Z Saboon Asceticism (JOI18_asceticism) C++14
49 / 100
 94 ms 55996 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int maxn = 3000 + 10;
const int mod = 1e9 + 7;

int dp[maxn][maxn];

int main(){
	ios_base::sync_with_stdio(false);
	int n, k;
	cin >> n >> k;
	dp[1][1] = 1;
	for (int i = 1; i < n; i++){
		for (int j = 1; j <= i; j++){
			dp[i + 1][j] = (dp[i + 1][j] + 1ll * j * dp[i][j]) % mod;
			dp[i + 1][j + 1] = (dp[i + 1][j + 1] + 1ll * (i - j + 1) * dp[i][j]) % mod;
		}
	}
	cout << dp[n][k] << endl;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 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 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 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 2 ms 384 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 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 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 2 ms 768 KB Output is correct
12 Correct 3 ms 1664 KB Output is correct
13 Correct 3 ms 1764 KB Output is correct
14 Correct 3 ms 1792 KB Output is correct
15 Correct 4 ms 1664 KB Output is correct
16 Correct 3 ms 1664 KB Output is correct
17 Correct 3 ms 1152 KB Output is correct
18 Correct 4 ms 1536 KB Output is correct
19 Correct 3 ms 896 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 2 ms 384 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 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 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 2 ms 768 KB Output is correct
12 Correct 3 ms 1664 KB Output is correct
13 Correct 3 ms 1764 KB Output is correct
14 Correct 3 ms 1792 KB Output is correct
15 Correct 4 ms 1664 KB Output is correct
16 Correct 3 ms 1664 KB Output is correct
17 Correct 3 ms 1152 KB Output is correct
18 Correct 4 ms 1536 KB Output is correct
19 Correct 3 ms 896 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 10 ms 6400 KB Output is correct
22 Correct 10 ms 6428 KB Output is correct
23 Correct 10 ms 6256 KB Output is correct
24 Correct 10 ms 6400 KB Output is correct
25 Correct 10 ms 6400 KB Output is correct
26 Correct 11 ms 6268 KB Output is correct
27 Correct 9 ms 6272 KB Output is correct
28 Correct 6 ms 3584 KB Output is correct
29 Correct 3 ms 1152 KB Output is correct
30 Correct 10 ms 6272 KB Output is correct

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 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 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 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 2 ms 768 KB Output is correct
12 Correct 3 ms 1664 KB Output is correct
13 Correct 3 ms 1764 KB Output is correct
14 Correct 3 ms 1792 KB Output is correct
15 Correct 4 ms 1664 KB Output is correct
16 Correct 3 ms 1664 KB Output is correct
17 Correct 3 ms 1152 KB Output is correct
18 Correct 4 ms 1536 KB Output is correct
19 Correct 3 ms 896 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 10 ms 6400 KB Output is correct
22 Correct 10 ms 6428 KB Output is correct
23 Correct 10 ms 6256 KB Output is correct
24 Correct 10 ms 6400 KB Output is correct
25 Correct 10 ms 6400 KB Output is correct
26 Correct 11 ms 6268 KB Output is correct
27 Correct 9 ms 6272 KB Output is correct
28 Correct 6 ms 3584 KB Output is correct
29 Correct 3 ms 1152 KB Output is correct
30 Correct 10 ms 6272 KB Output is correct
31 Runtime error 94 ms 55996 KB Execution killed with signal 11 (could be triggered by violating memory limits)
32 Halted 0 ms 0 KB -