oj.uz

Submission #313101

# Submission time Handle Problem Language Result Execution time Memory
313101 2020-10-15T08:03:56 Z alextodoran Asceticism (JOI18_asceticism) C++17
49 / 100
 87 ms 56568 KB 
/**
 ____ ____ ____ ____ ____
||a |||t |||o |||d |||o ||
||__|||__|||__|||__|||__||
|/__\|/__\|/__\|/__\|/__\|

**/

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N_MAX = 3002;

const int MOD = 1e9+7;

int n, k;

int dp[N_MAX][N_MAX];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> k;
    dp[1][0] = 1;
    for(int i = 2; i <= n; i++)
        for(int j = 0; j < i; j++)
        {
            dp[i][j] = 1LL * dp[i - 1][j] * (j + 1) % MOD + 1LL * dp[i - 1][j - 1] * (i - j) % MOD;
            if(dp[i][j] >= MOD)
                dp[i][j] -= MOD;
        }
    cout << dp[n][k - 1] << "\n";
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 416 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 416 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 768 KB Output is correct
12 Correct 1 ms 1664 KB Output is correct
13 Correct 1 ms 1664 KB Output is correct
14 Correct 1 ms 1664 KB Output is correct
15 Correct 1 ms 1664 KB Output is correct
16 Correct 1 ms 1664 KB Output is correct
17 Correct 1 ms 1152 KB Output is correct
18 Correct 1 ms 1536 KB Output is correct
19 Correct 1 ms 896 KB Output is correct
20 Correct 1 ms 384 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 416 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 768 KB Output is correct
12 Correct 1 ms 1664 KB Output is correct
13 Correct 1 ms 1664 KB Output is correct
14 Correct 1 ms 1664 KB Output is correct
15 Correct 1 ms 1664 KB Output is correct
16 Correct 1 ms 1664 KB Output is correct
17 Correct 1 ms 1152 KB Output is correct
18 Correct 1 ms 1536 KB Output is correct
19 Correct 1 ms 896 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 6 ms 6272 KB Output is correct
22 Correct 7 ms 6272 KB Output is correct
23 Correct 6 ms 6272 KB Output is correct
24 Correct 6 ms 6272 KB Output is correct
25 Correct 6 ms 6272 KB Output is correct
26 Correct 6 ms 6272 KB Output is correct
27 Correct 6 ms 6272 KB Output is correct
28 Correct 3 ms 3456 KB Output is correct
29 Correct 1 ms 1152 KB Output is correct
30 Correct 6 ms 6272 KB Output is correct

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 416 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 768 KB Output is correct
12 Correct 1 ms 1664 KB Output is correct
13 Correct 1 ms 1664 KB Output is correct
14 Correct 1 ms 1664 KB Output is correct
15 Correct 1 ms 1664 KB Output is correct
16 Correct 1 ms 1664 KB Output is correct
17 Correct 1 ms 1152 KB Output is correct
18 Correct 1 ms 1536 KB Output is correct
19 Correct 1 ms 896 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 6 ms 6272 KB Output is correct
22 Correct 7 ms 6272 KB Output is correct
23 Correct 6 ms 6272 KB Output is correct
24 Correct 6 ms 6272 KB Output is correct
25 Correct 6 ms 6272 KB Output is correct
26 Correct 6 ms 6272 KB Output is correct
27 Correct 6 ms 6272 KB Output is correct
28 Correct 3 ms 3456 KB Output is correct
29 Correct 1 ms 1152 KB Output is correct
30 Correct 6 ms 6272 KB Output is correct
31 Runtime error 87 ms 56568 KB Execution killed with signal 11 (could be triggered by violating memory limits)
32 Halted 0 ms 0 KB -