#include <bits/stdc++.h>
using namespace std;
int n,m,dp[51][51][51][51],r[51][51];
int f(int i, int j, int k, int l){
if (i==k&&j==l)
return 0;
if (dp[i][j][k][l])
return dp[i][j][k][l];
dp[i][j][k][l]=1e9;
for (int m=i;m<k;m++)
dp[i][j][k][l]=min(dp[i][j][k][l],f(i,j,m,l)+f(m+1,j,k,l));
for (int m=j;m<l;m++)
dp[i][j][k][l]=min(dp[i][j][k][l],f(i,j,k,m)+f(i,m+1,k,l));
dp[i][j][k][l]+=r[k][l]-r[i-1][l]-r[k][j-1]+r[i-1][j-1];
return dp[i][j][k][l];
}
int main(){
ios_base::sync_with_stdio(NULL);cin.tie(nullptr);
cin >> n >> m;
for (int i=1;i<=n;i++)
for (int j=1;j<=m;j++){
cin >> r[i][j];
r[i][j]+=r[i][j-1]+r[i-1][j]-r[i-1][j-1];
}
cout << f(1,1,n,m);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
504 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
856 KB |
Output is correct |
7 |
Correct |
1 ms |
1112 KB |
Output is correct |
8 |
Correct |
4 ms |
2652 KB |
Output is correct |
9 |
Correct |
6 ms |
3676 KB |
Output is correct |
10 |
Correct |
9 ms |
4304 KB |
Output is correct |
11 |
Correct |
7 ms |
3932 KB |
Output is correct |
12 |
Correct |
24 ms |
7544 KB |
Output is correct |
13 |
Correct |
37 ms |
9552 KB |
Output is correct |
14 |
Correct |
14 ms |
4696 KB |
Output is correct |
15 |
Correct |
46 ms |
10324 KB |
Output is correct |
16 |
Correct |
5 ms |
3744 KB |
Output is correct |
17 |
Correct |
20 ms |
7348 KB |
Output is correct |
18 |
Correct |
124 ms |
16160 KB |
Output is correct |
19 |
Correct |
181 ms |
19540 KB |
Output is correct |
20 |
Correct |
259 ms |
21136 KB |
Output is correct |