Submission #1228497
Source Code Expand
n, m = map(int,raw_input().split()) mod = 10 ** 9 + 7 dp=[[[0] * (n + 1) for _ in xrange(n + 1)] for _ in xrange(m + 1)] dp[0][1][1] = 1 for i in xrange(m): for j in xrange(1, n + 1): for k in xrange(1, j + 1): dp[i+1][min(j+1,n)][k] += dp[i][j][k] * (n - j) % mod dp[i+1][j][k] += dp[i][j][k] * (j - k) % mod dp[i+1][j][j] += dp[i][j][k] * k % mod print dp[m][n][n] % mod
Submission Info
Submission Time | |
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Task | F - Road of the King |
User | roto_37 |
Language | PyPy2 (5.6.0) |
Score | 0 |
Code Size | 433 Byte |
Status | MLE |
Exec Time | 759 ms |
Memory | 254236 KB |
Judge Result
Set Name | sample | all | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1000 | ||||||
Status |
|
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Set Name | Test Cases |
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sample | sample-01.txt, sample-02.txt, sample-03.txt |
all | sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, sample-01.txt, sample-02.txt, sample-03.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 37 ms | 28012 KB |
01-02.txt | AC | 34 ms | 26860 KB |
01-03.txt | AC | 38 ms | 28524 KB |
01-04.txt | AC | 59 ms | 34156 KB |
01-05.txt | AC | 64 ms | 33388 KB |
01-06.txt | AC | 138 ms | 54044 KB |
01-07.txt | MLE | 711 ms | 239260 KB |
01-08.txt | MLE | 755 ms | 251420 KB |
01-09.txt | MLE | 753 ms | 253596 KB |
01-10.txt | MLE | 759 ms | 254236 KB |
sample-01.txt | AC | 34 ms | 26604 KB |
sample-02.txt | AC | 250 ms | 90140 KB |
sample-03.txt | AC | 408 ms | 144156 KB |