| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 237966 |
2020-06-09T14:14:47 Z |
sahil_k |
Tents (JOI18_tents) |
C++14 |
|
117 ms |
70780 KB |
#include <iostream>
#define MOD 1000000007
using namespace std;
long long dp[3001][3001];
int main () {
int n, m;
cin >> n >> m;
for (int i=0; i<=n; i++) {
for (int j=0; j<=m; j++) {
if (i == 0 || j == 0) {
dp[i][j] = 1;
continue;
}
dp[i][j] = dp[i-1][j];
dp[i][j] = (dp[i][j]+4ll*dp[i-1][j-1]*j)%MOD;
dp[i][j] = (dp[i][j]+1ll*dp[i-1][max(0, j-2)]*j*(j-1)/2)%MOD;
dp[i][j] = (dp[i][j]+1ll*dp[max(0, i-2)][j-1]*j*(i-1))%MOD;
}
}
cout << dp[n][m]-1 << endl;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
512 KB |
Output is correct |
| 4 |
Correct |
5 ms |
1152 KB |
Output is correct |
| 5 |
Correct |
5 ms |
768 KB |
Output is correct |
| 6 |
Correct |
6 ms |
1408 KB |
Output is correct |
| 7 |
Correct |
5 ms |
896 KB |
Output is correct |
| 8 |
Correct |
6 ms |
1408 KB |
Output is correct |
| 9 |
Correct |
5 ms |
768 KB |
Output is correct |
| 10 |
Correct |
5 ms |
1792 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
6 ms |
2304 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
512 KB |
Output is correct |
| 4 |
Correct |
5 ms |
1152 KB |
Output is correct |
| 5 |
Correct |
5 ms |
768 KB |
Output is correct |
| 6 |
Correct |
6 ms |
1408 KB |
Output is correct |
| 7 |
Correct |
5 ms |
896 KB |
Output is correct |
| 8 |
Correct |
6 ms |
1408 KB |
Output is correct |
| 9 |
Correct |
5 ms |
768 KB |
Output is correct |
| 10 |
Correct |
5 ms |
1792 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
6 ms |
2304 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
9 ms |
9728 KB |
Output is correct |
| 15 |
Correct |
85 ms |
55136 KB |
Output is correct |
| 16 |
Correct |
12 ms |
4096 KB |
Output is correct |
| 17 |
Correct |
22 ms |
12928 KB |
Output is correct |
| 18 |
Correct |
27 ms |
17144 KB |
Output is correct |
| 19 |
Correct |
116 ms |
62968 KB |
Output is correct |
| 20 |
Correct |
74 ms |
50936 KB |
Output is correct |
| 21 |
Correct |
54 ms |
33784 KB |
Output is correct |
| 22 |
Correct |
50 ms |
35448 KB |
Output is correct |
| 23 |
Correct |
37 ms |
27128 KB |
Output is correct |
| 24 |
Correct |
117 ms |
70780 KB |
Output is correct |
| 25 |
Correct |
96 ms |
61172 KB |
Output is correct |
| 26 |
Correct |
106 ms |
66552 KB |
Output is correct |
| 27 |
Correct |
117 ms |
68984 KB |
Output is correct |
