Submission #995549

# Submission time Handle Problem Language Result Execution time Memory
995549 2024-06-09T10:32:03 Z mariamp1 Tents (JOI18_tents) C++14
100 / 100
50 ms 70788 KB
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int N = 3005;
int dp[3005][3005];
const int mod = 1e9 + 7;
int32_t main(){
	int h, w; cin >> h >> w;
	int ans = 0;
	for(int i = 1; i <= h; i++){
		for(int j = 1; j <= w; j++){
			ans=0;
			ans += dp[i-1][j];
			if(j > 1){
				ans += (j * (j-1))/2 * (dp[i-1][j-2]+1);
			}
			ans += (dp[i-1][j-1]+1) * j * 4;
			if(i > 1){
				ans += (dp[i-2][j - 1] + 1) * (i-1) * (j);
			}

			ans %= mod;
			dp[i][j]=ans;
		}
	}
	cout << ans << endl;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 1 ms 1372 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 1 ms 1372 KB Output is correct
9 Correct 0 ms 860 KB Output is correct
10 Correct 1 ms 1692 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 2236 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 1 ms 1372 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 1 ms 1372 KB Output is correct
9 Correct 0 ms 860 KB Output is correct
10 Correct 1 ms 1692 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 2236 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 4 ms 9564 KB Output is correct
15 Correct 37 ms 55380 KB Output is correct
16 Correct 3 ms 4696 KB Output is correct
17 Correct 9 ms 13308 KB Output is correct
18 Correct 10 ms 17756 KB Output is correct
19 Correct 40 ms 63056 KB Output is correct
20 Correct 32 ms 51196 KB Output is correct
21 Correct 21 ms 33976 KB Output is correct
22 Correct 24 ms 36056 KB Output is correct
23 Correct 15 ms 28252 KB Output is correct
24 Correct 48 ms 70788 KB Output is correct
25 Correct 40 ms 61268 KB Output is correct
26 Correct 49 ms 66648 KB Output is correct
27 Correct 50 ms 68948 KB Output is correct