| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 887745 |
2023-12-15T07:15:29 Z |
vjudge1 |
Tents (JOI18_tents) |
C++17 |
|
63 ms |
70980 KB |
#include <bits/stdc++.h>
#define pb push_back
#define dbg(x) cout << "reached here " << x << endl;
#define f first
#define s second
#define ll long long
using namespace std;
typedef pair<int, int> pii;
const int maxn = 3005, mod = 1e9+7;
ll dp[maxn][maxn];
signed main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int h, w;
cin >> h >> w;
for (int i = 1; i <= h; ++i)
dp[i][1] = 4*i + i*(i-1)/2;
for (int i = 1; i <= w; ++i)
dp[1][i] = 4*i + i*(i-1)/2;
for (int i = 2; i <= h; ++i)
for (int j = 2; j <= w; ++j)
dp[i][j] = (dp[i][j-1] + (i*(i-1)/2)*(dp[i-2][j-1]+1) + i*(4*(dp[i-1][j-1]+1) + (j-1)*(dp[i-1][j-2]+1))) % mod;
cout << dp[h][w] << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
6636 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 10 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
2 ms |
8540 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
6636 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 10 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
6 ms |
55836 KB |
Output is correct |
| 15 |
Correct |
42 ms |
66240 KB |
Output is correct |
| 16 |
Correct |
3 ms |
6488 KB |
Output is correct |
| 17 |
Correct |
10 ms |
17000 KB |
Output is correct |
| 18 |
Correct |
13 ms |
29276 KB |
Output is correct |
| 19 |
Correct |
48 ms |
70488 KB |
Output is correct |
| 20 |
Correct |
39 ms |
57944 KB |
Output is correct |
| 21 |
Correct |
26 ms |
39512 KB |
Output is correct |
| 22 |
Correct |
27 ms |
51804 KB |
Output is correct |
| 23 |
Correct |
20 ms |
70416 KB |
Output is correct |
| 24 |
Correct |
63 ms |
70980 KB |
Output is correct |
| 25 |
Correct |
48 ms |
62044 KB |
Output is correct |
| 26 |
Correct |
57 ms |
68188 KB |
Output is correct |
| 27 |
Correct |
61 ms |
70236 KB |
Output is correct |
