| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1077675 |
2024-08-27T08:33:43 Z |
Martincho506 |
Tents (JOI18_tents) |
C++17 |
|
306 ms |
117192 KB |
#include<bits/stdc++.h>
using namespace std;
long long mod = 1000000007, vis[3001][3001], dp[3001][3001];
long long f(long long i, long long j)
{
if(i == 0 || j == 0) return 1;
if(i < 0 || j < 0) return 0;
if(vis[i][j]) return dp[i][j];
vis[i][j] = true;
dp[i][j] = ((f(i-1, j)+4*j*f(i-1, j-1))%mod+(f(i-1, j-2)*j*(j-1)/2)%mod+(f(i-2, j-1)*j*(i-1))%mod)%mod;
return dp[i][j];
}
int main()
{
long long n, m;
cin>>n>>m;
cout<<f(n, m)-1;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 4 |
Correct |
1 ms |
7260 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 6 |
Correct |
2 ms |
7608 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2908 KB |
Output is correct |
| 8 |
Correct |
2 ms |
7772 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
3 ms |
10076 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
5 ms |
10332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 4 |
Correct |
1 ms |
7260 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 6 |
Correct |
2 ms |
7608 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2908 KB |
Output is correct |
| 8 |
Correct |
2 ms |
7772 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
3 ms |
10076 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
5 ms |
10332 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
9 ms |
39516 KB |
Output is correct |
| 15 |
Correct |
209 ms |
98384 KB |
Output is correct |
| 16 |
Correct |
2 ms |
7768 KB |
Output is correct |
| 17 |
Correct |
17 ms |
23384 KB |
Output is correct |
| 18 |
Correct |
34 ms |
38736 KB |
Output is correct |
| 19 |
Correct |
191 ms |
108372 KB |
Output is correct |
| 20 |
Correct |
163 ms |
86868 KB |
Output is correct |
| 21 |
Correct |
82 ms |
55412 KB |
Output is correct |
| 22 |
Correct |
136 ms |
69456 KB |
Output is correct |
| 23 |
Correct |
69 ms |
62544 KB |
Output is correct |
| 24 |
Correct |
306 ms |
117192 KB |
Output is correct |
| 25 |
Correct |
191 ms |
98008 KB |
Output is correct |
| 26 |
Correct |
258 ms |
108824 KB |
Output is correct |
| 27 |
Correct |
295 ms |
113492 KB |
Output is correct |
