Submission #202191

# Submission time Handle Problem Language Result Execution time Memory
202191 2020-02-14T05:12:04 Z nvmdava Tents (JOI18_tents) C++17
100 / 100
68 ms 70904 KB
#include <iostream>
long long dp[3005][3005],n,m,i,j;int main(){std::cin>>n>>m;for(i=0;i<=3000;++i)dp[i][0]=dp[0][i]=1;for(i=1;i<=n;++i)for(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))%1000000007;std::cout<<dp[n][m]-1;}
# Verdict Execution time Memory Grader output
1 Correct 10 ms 12408 KB Output is correct
2 Correct 10 ms 12408 KB Output is correct
3 Correct 11 ms 12536 KB Output is correct
4 Correct 10 ms 12408 KB Output is correct
5 Correct 10 ms 12536 KB Output is correct
6 Correct 13 ms 12664 KB Output is correct
7 Correct 13 ms 12664 KB Output is correct
8 Correct 12 ms 12664 KB Output is correct
9 Correct 10 ms 12536 KB Output is correct
10 Correct 11 ms 12792 KB Output is correct
11 Correct 11 ms 12536 KB Output is correct
12 Correct 11 ms 13176 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 10 ms 12408 KB Output is correct
2 Correct 10 ms 12408 KB Output is correct
3 Correct 11 ms 12536 KB Output is correct
4 Correct 10 ms 12408 KB Output is correct
5 Correct 10 ms 12536 KB Output is correct
6 Correct 13 ms 12664 KB Output is correct
7 Correct 13 ms 12664 KB Output is correct
8 Correct 12 ms 12664 KB Output is correct
9 Correct 10 ms 12536 KB Output is correct
10 Correct 11 ms 12792 KB Output is correct
11 Correct 11 ms 12536 KB Output is correct
12 Correct 11 ms 13176 KB Output is correct
13 Correct 10 ms 12536 KB Output is correct
14 Correct 10 ms 12512 KB Output is correct
15 Correct 50 ms 56184 KB Output is correct
16 Correct 17 ms 15224 KB Output is correct
17 Correct 18 ms 22264 KB Output is correct
18 Correct 23 ms 24572 KB Output is correct
19 Correct 56 ms 63352 KB Output is correct
20 Correct 45 ms 53112 KB Output is correct
21 Correct 35 ms 39288 KB Output is correct
22 Correct 35 ms 38904 KB Output is correct
23 Correct 23 ms 27128 KB Output is correct
24 Correct 68 ms 70904 KB Output is correct
25 Correct 59 ms 62968 KB Output is correct
26 Correct 61 ms 67448 KB Output is correct
27 Correct 65 ms 69368 KB Output is correct