| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 236709 |
2020-06-03T06:16:13 Z |
anayk |
Tents (JOI18_tents) |
C++14 |
|
144 ms |
70776 KB |
#include <iostream>
#define int long long
#define MOD 1000000007
signed main() {
int h, w;
std::cin >> h >> w;
int dp[h+1][w+1];
for(int i = 0; i <= h; i++)
dp[i][0] = 1;
for(int i = 0; i <= w; i++)
dp[0][i] = 1;
for(int i = 1; i <= h; i++) {
for(int j = 1; j <= w; j++) {
dp[i][j] = 0;
int row = (4*dp[i-1][j-1])%MOD;
if(j-1) row = (row + (j-1)*dp[i-1][j-2])%MOD;
dp[i][j] = (dp[i][j] + row*i)%MOD;
dp[i][j] = (dp[i][j] + dp[i][j-1])%MOD;
if(i-1) dp[i][j] = (dp[i][j] + (i*(i-1)/2)*dp[i-2][j-1])%MOD;
}
}
std::cout << (dp[h][w]+MOD-1)%MOD << std::endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
256 KB |
Output is correct |
| 3 |
Correct |
5 ms |
256 KB |
Output is correct |
| 4 |
Correct |
4 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
512 KB |
Output is correct |
| 7 |
Correct |
5 ms |
512 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
4 ms |
256 KB |
Output is correct |
| 10 |
Correct |
5 ms |
640 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
6 ms |
1024 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
256 KB |
Output is correct |
| 3 |
Correct |
5 ms |
256 KB |
Output is correct |
| 4 |
Correct |
4 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
512 KB |
Output is correct |
| 7 |
Correct |
5 ms |
512 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
4 ms |
256 KB |
Output is correct |
| 10 |
Correct |
5 ms |
640 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
6 ms |
1024 KB |
Output is correct |
| 13 |
Correct |
5 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
91 ms |
44156 KB |
Output is correct |
| 16 |
Correct |
10 ms |
3072 KB |
Output is correct |
| 17 |
Correct |
25 ms |
10112 KB |
Output is correct |
| 18 |
Correct |
29 ms |
12408 KB |
Output is correct |
| 19 |
Correct |
105 ms |
51472 KB |
Output is correct |
| 20 |
Correct |
85 ms |
41208 KB |
Output is correct |
| 21 |
Correct |
59 ms |
27128 KB |
Output is correct |
| 22 |
Correct |
60 ms |
26744 KB |
Output is correct |
| 23 |
Correct |
33 ms |
14976 KB |
Output is correct |
| 24 |
Correct |
144 ms |
70776 KB |
Output is correct |
| 25 |
Correct |
110 ms |
52600 KB |
Output is correct |
| 26 |
Correct |
126 ms |
60280 KB |
Output is correct |
| 27 |
Correct |
144 ms |
68088 KB |
Output is correct |
