Submission #781389

# Submission time Handle Problem Language Result Execution time Memory
781389 2023-07-13T05:07:25 Z 이성호(#10012) Tents (JOI18_tents) C++17
100 / 100
47 ms 70912 KB
#include <iostream>
#define int long long
using namespace std;
const int mod = 1e9 + 7;
long long dp[3005][3005];
signed main()
{
    dp[1][1] = 5;
    for (int i = 2; i <= 3000; i++) {
        dp[i][1] = dp[1][i] = i * (i-1) / 2 + i * 4 + 1;
    }
    for (int i = 1; i <= 3000; i++) {
        dp[i][0] = dp[0][i] = 1;
    }
    for (int i = 2; i <= 3000; i++) {
        for (int j = 2; j <= 3000; j++) {
            dp[i][j] = (j * (j-1) / 2 * dp[i-1][j-2] + j * (i-1) * dp[i-2][j-1] + j * 4 * dp[i-1][j-1] + dp[i-1][j]) % mod;
        }
    }
    int h, w; cin >> h >> w;
    cout << dp[h][w] - 1 << '\n';
}
# Verdict Execution time Memory Grader output
1 Correct 44 ms 70804 KB Output is correct
2 Correct 44 ms 70768 KB Output is correct
3 Correct 45 ms 70792 KB Output is correct
4 Correct 43 ms 70780 KB Output is correct
5 Correct 43 ms 70836 KB Output is correct
6 Correct 45 ms 70828 KB Output is correct
7 Correct 43 ms 70768 KB Output is correct
8 Correct 44 ms 70824 KB Output is correct
9 Correct 44 ms 70764 KB Output is correct
10 Correct 44 ms 70860 KB Output is correct
11 Correct 44 ms 70796 KB Output is correct
12 Correct 44 ms 70860 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 44 ms 70804 KB Output is correct
2 Correct 44 ms 70768 KB Output is correct
3 Correct 45 ms 70792 KB Output is correct
4 Correct 43 ms 70780 KB Output is correct
5 Correct 43 ms 70836 KB Output is correct
6 Correct 45 ms 70828 KB Output is correct
7 Correct 43 ms 70768 KB Output is correct
8 Correct 44 ms 70824 KB Output is correct
9 Correct 44 ms 70764 KB Output is correct
10 Correct 44 ms 70860 KB Output is correct
11 Correct 44 ms 70796 KB Output is correct
12 Correct 44 ms 70860 KB Output is correct
13 Correct 47 ms 70912 KB Output is correct
14 Correct 44 ms 70792 KB Output is correct
15 Correct 43 ms 70784 KB Output is correct
16 Correct 44 ms 70760 KB Output is correct
17 Correct 44 ms 70840 KB Output is correct
18 Correct 47 ms 70828 KB Output is correct
19 Correct 45 ms 70780 KB Output is correct
20 Correct 43 ms 70860 KB Output is correct
21 Correct 45 ms 70768 KB Output is correct
22 Correct 45 ms 70776 KB Output is correct
23 Correct 44 ms 70832 KB Output is correct
24 Correct 45 ms 70860 KB Output is correct
25 Correct 44 ms 70804 KB Output is correct
26 Correct 44 ms 70796 KB Output is correct
27 Correct 44 ms 70760 KB Output is correct