| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 781372 |
2023-07-13T04:50:56 Z |
박영우(#10014) |
Tents (JOI18_tents) |
C++17 |
|
42 ms |
71012 KB |
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define MAX 3010
#define MAXS 22
#define INF 1000000000000000001
#define bb ' '
#define ln '\n'
#define Ln '\n'
#define MOD 1000000007
ll dp[MAX][MAX];
signed main() {
ios::sync_with_stdio(false), cin.tie(0);
int H, W;
cin >> H >> W;
int i, j;
for (i = 1; i <= W; i++) dp[1][i] = 1ll + 4ll * i + (i - 1ll) * i / 2;
for (i = 0; i <= max(H, W); i++) dp[0][i] = dp[i][0] = 1;
for (i = 2; i <= H; i++) {
dp[i][1] = 1ll + 4ll * i + (i - 1ll) * i / 2;
dp[i][1] %= MOD;
for (j = 2; j <= W; j++) {
dp[i][j] = dp[i - 1][j] + 4ll * j * dp[i - 1][j - 1] + (1ll * j * (j - 1ll) / 2ll) * dp[i - 1][j - 2] + (i - 1ll) * j * dp[i - 2][j - 1];
dp[i][j] %= MOD;
}
}
cout << (dp[H][W] + MOD - 1) % MOD;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
980 KB |
Output is correct |
| 3 |
Correct |
1 ms |
468 KB |
Output is correct |
| 4 |
Correct |
1 ms |
1108 KB |
Output is correct |
| 5 |
Correct |
1 ms |
1364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
1364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
1364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
1364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
724 KB |
Output is correct |
| 10 |
Correct |
1 ms |
1748 KB |
Output is correct |
| 11 |
Correct |
1 ms |
1492 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2120 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
980 KB |
Output is correct |
| 3 |
Correct |
1 ms |
468 KB |
Output is correct |
| 4 |
Correct |
1 ms |
1108 KB |
Output is correct |
| 5 |
Correct |
1 ms |
1364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
1364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
1364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
1364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
724 KB |
Output is correct |
| 10 |
Correct |
1 ms |
1748 KB |
Output is correct |
| 11 |
Correct |
1 ms |
1492 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2120 KB |
Output is correct |
| 13 |
Correct |
3 ms |
7756 KB |
Output is correct |
| 14 |
Correct |
4 ms |
9700 KB |
Output is correct |
| 15 |
Correct |
29 ms |
55168 KB |
Output is correct |
| 16 |
Correct |
5 ms |
9428 KB |
Output is correct |
| 17 |
Correct |
9 ms |
17364 KB |
Output is correct |
| 18 |
Correct |
10 ms |
17840 KB |
Output is correct |
| 19 |
Correct |
34 ms |
62968 KB |
Output is correct |
| 20 |
Correct |
28 ms |
50892 KB |
Output is correct |
| 21 |
Correct |
20 ms |
35448 KB |
Output is correct |
| 22 |
Correct |
20 ms |
35392 KB |
Output is correct |
| 23 |
Correct |
17 ms |
27216 KB |
Output is correct |
| 24 |
Correct |
42 ms |
71012 KB |
Output is correct |
| 25 |
Correct |
34 ms |
61292 KB |
Output is correct |
| 26 |
Correct |
38 ms |
66680 KB |
Output is correct |
| 27 |
Correct |
42 ms |
69280 KB |
Output is correct |
