oj.uz

답안 #995547

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
995547 2024-06-09T10:28:44 Z mariamp1 Tents (JOI18_tents) C++14
0 / 100
 0 ms 1116 KB 
#include<bits/stdc++.h>
using namespace std;
const int N = 3005;
int dp[3005][3005];
const int mod = 1e9 + 7;
int 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;
}

Subtask #1
0 / 48.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 1116 KB Output is correct
5 Incorrect 0 ms 604 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 52.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 1116 KB Output is correct
5 Incorrect 0 ms 604 KB Output isn't correct
6 Halted 0 ms 0 KB -