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Submission #68825

# Submission time Handle Problem Language Result Execution time Memory
68825 2018-08-18T16:53:37 Z IvanC Asceticism (JOI18_asceticism) C++17
49 / 100
 139 ms 142788 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const int MAXN = 3010;
const int MOD = 1e9 + 7;

ll dp[MAXN][MAXN];
int N,K;

ll solve(int dia,int grupos){
	if(dp[dia][grupos] != -1) return dp[dia][grupos];
	if(grupos == 0) return dp[dia][grupos] = 0;
	if(dia == 1) return dp[dia][grupos] = (grupos == 1);
	return dp[dia][grupos] = ((grupos)*solve(dia - 1,grupos) + (dia - grupos + 1)*solve(dia - 1,grupos - 1)) % MOD;
}

int main(){

	memset(dp,-1,sizeof(dp));
	cin >> N >> K;
	cout << solve(N,K) << endl;

	return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 71224 KB Output is correct
2 Correct 60 ms 71280 KB Output is correct
3 Correct 64 ms 71460 KB Output is correct
4 Correct 56 ms 71496 KB Output is correct
5 Correct 57 ms 71496 KB Output is correct
6 Correct 58 ms 71560 KB Output is correct
7 Correct 54 ms 71588 KB Output is correct
8 Correct 66 ms 71588 KB Output is correct
9 Correct 65 ms 71588 KB Output is correct
10 Correct 61 ms 71664 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 71224 KB Output is correct
2 Correct 60 ms 71280 KB Output is correct
3 Correct 64 ms 71460 KB Output is correct
4 Correct 56 ms 71496 KB Output is correct
5 Correct 57 ms 71496 KB Output is correct
6 Correct 58 ms 71560 KB Output is correct
7 Correct 54 ms 71588 KB Output is correct
8 Correct 66 ms 71588 KB Output is correct
9 Correct 65 ms 71588 KB Output is correct
10 Correct 61 ms 71664 KB Output is correct
11 Correct 66 ms 71668 KB Output is correct
12 Correct 58 ms 71668 KB Output is correct
13 Correct 57 ms 71676 KB Output is correct
14 Correct 62 ms 71680 KB Output is correct
15 Correct 67 ms 71684 KB Output is correct
16 Correct 59 ms 71688 KB Output is correct
17 Correct 66 ms 71688 KB Output is correct
18 Correct 60 ms 71696 KB Output is correct
19 Correct 58 ms 71700 KB Output is correct
20 Correct 60 ms 71704 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 71224 KB Output is correct
2 Correct 60 ms 71280 KB Output is correct
3 Correct 64 ms 71460 KB Output is correct
4 Correct 56 ms 71496 KB Output is correct
5 Correct 57 ms 71496 KB Output is correct
6 Correct 58 ms 71560 KB Output is correct
7 Correct 54 ms 71588 KB Output is correct
8 Correct 66 ms 71588 KB Output is correct
9 Correct 65 ms 71588 KB Output is correct
10 Correct 61 ms 71664 KB Output is correct
11 Correct 66 ms 71668 KB Output is correct
12 Correct 58 ms 71668 KB Output is correct
13 Correct 57 ms 71676 KB Output is correct
14 Correct 62 ms 71680 KB Output is correct
15 Correct 67 ms 71684 KB Output is correct
16 Correct 59 ms 71688 KB Output is correct
17 Correct 66 ms 71688 KB Output is correct
18 Correct 60 ms 71696 KB Output is correct
19 Correct 58 ms 71700 KB Output is correct
20 Correct 60 ms 71704 KB Output is correct
21 Correct 69 ms 71720 KB Output is correct
22 Correct 67 ms 71720 KB Output is correct
23 Correct 72 ms 71720 KB Output is correct
24 Correct 69 ms 71720 KB Output is correct
25 Correct 70 ms 71724 KB Output is correct
26 Correct 73 ms 71728 KB Output is correct
27 Correct 80 ms 71732 KB Output is correct
28 Correct 60 ms 71736 KB Output is correct
29 Correct 70 ms 71736 KB Output is correct
30 Correct 66 ms 71748 KB Output is correct

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 71224 KB Output is correct
2 Correct 60 ms 71280 KB Output is correct
3 Correct 64 ms 71460 KB Output is correct
4 Correct 56 ms 71496 KB Output is correct
5 Correct 57 ms 71496 KB Output is correct
6 Correct 58 ms 71560 KB Output is correct
7 Correct 54 ms 71588 KB Output is correct
8 Correct 66 ms 71588 KB Output is correct
9 Correct 65 ms 71588 KB Output is correct
10 Correct 61 ms 71664 KB Output is correct
11 Correct 66 ms 71668 KB Output is correct
12 Correct 58 ms 71668 KB Output is correct
13 Correct 57 ms 71676 KB Output is correct
14 Correct 62 ms 71680 KB Output is correct
15 Correct 67 ms 71684 KB Output is correct
16 Correct 59 ms 71688 KB Output is correct
17 Correct 66 ms 71688 KB Output is correct
18 Correct 60 ms 71696 KB Output is correct
19 Correct 58 ms 71700 KB Output is correct
20 Correct 60 ms 71704 KB Output is correct
21 Correct 69 ms 71720 KB Output is correct
22 Correct 67 ms 71720 KB Output is correct
23 Correct 72 ms 71720 KB Output is correct
24 Correct 69 ms 71720 KB Output is correct
25 Correct 70 ms 71724 KB Output is correct
26 Correct 73 ms 71728 KB Output is correct
27 Correct 80 ms 71732 KB Output is correct
28 Correct 60 ms 71736 KB Output is correct
29 Correct 70 ms 71736 KB Output is correct
30 Correct 66 ms 71748 KB Output is correct
31 Runtime error 139 ms 142788 KB Execution killed with signal 11 (could be triggered by violating memory limits)
32 Halted 0 ms 0 KB -