| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 202186 |
2020-02-14T05:02:17 Z |
nvmdava |
Tents (JOI18_tents) |
C++17 |
|
72 ms |
71032 KB |
#include <bits/stdc++.h>
#define MOD 1000000007
long long dp[3005][3005];
int main(){
int n, m;
std::cin>>n>>m;
for(int i = 0; i <= n; ++i)
dp[i][0] = 1;
for(int j = 0; j <= m; ++j)
dp[0][j] = 1;
for(int i = 1; i <= n; ++i)
for(int j = 1; j <= m; ++j)
dp[i][j] = (dp[i - 1][j] + (j >= 2 ? j * (j - 1) / 2 * dp[i - 1][j - 2] : 0) + 4 * j * dp[i - 1][j - 1] + (i >= 2 ? dp[i - 2][j - 1] * j * (i - 1) : 0)) % MOD;
std::cout<<dp[n][m] - 1;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
256 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
504 KB |
Output is correct |
| 4 |
Correct |
5 ms |
1144 KB |
Output is correct |
| 5 |
Correct |
5 ms |
632 KB |
Output is correct |
| 6 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 7 |
Correct |
5 ms |
888 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 9 |
Correct |
5 ms |
760 KB |
Output is correct |
| 10 |
Correct |
5 ms |
1784 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
6 ms |
2296 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
256 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
504 KB |
Output is correct |
| 4 |
Correct |
5 ms |
1144 KB |
Output is correct |
| 5 |
Correct |
5 ms |
632 KB |
Output is correct |
| 6 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 7 |
Correct |
5 ms |
888 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1400 KB |
Output is correct |
| 9 |
Correct |
5 ms |
760 KB |
Output is correct |
| 10 |
Correct |
5 ms |
1784 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
6 ms |
2296 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
9 ms |
9720 KB |
Output is correct |
| 15 |
Correct |
47 ms |
55160 KB |
Output is correct |
| 16 |
Correct |
10 ms |
4088 KB |
Output is correct |
| 17 |
Correct |
14 ms |
12920 KB |
Output is correct |
| 18 |
Correct |
20 ms |
17144 KB |
Output is correct |
| 19 |
Correct |
54 ms |
62968 KB |
Output is correct |
| 20 |
Correct |
47 ms |
50940 KB |
Output is correct |
| 21 |
Correct |
32 ms |
33784 KB |
Output is correct |
| 22 |
Correct |
33 ms |
35448 KB |
Output is correct |
| 23 |
Correct |
30 ms |
27128 KB |
Output is correct |
| 24 |
Correct |
72 ms |
71032 KB |
Output is correct |
| 25 |
Correct |
56 ms |
61304 KB |
Output is correct |
| 26 |
Correct |
62 ms |
66680 KB |
Output is correct |
| 27 |
Correct |
68 ms |
68984 KB |
Output is correct |
