#include <bits/stdc++.h>
using namespace std;
#define a first
#define b second
#define pb push_back
typedef long long llo;
int n,m;
int it[51][51];
int dp[51][51][51][51];
int find(int i,int j,int k,int l){
if(dp[i][j][k][l]>-1){
return dp[i][j][k][l];
}
dp[i][j][k][l]=0;
for(int ii=i;ii<=k;ii++){
for(int jj=j;jj<=l;jj++){
dp[i][j][k][l]+=it[ii][jj];
}
}
int ma=1e9;
for(int ii=i;ii<k;ii++){
ma=min(ma,find(i,j,ii,l)+find(ii+1,j,k,l));
}
for(int jj=j;jj<l;jj++){
ma=min(ma,find(i,j,k,jj)+find(i,jj+1,k,l));
}
dp[i][j][k][l]+=ma;
return dp[i][j][k][l];
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin>>n>>m;
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
cin>>it[i][j];
}
}
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
for(int k=0;k<n;k++){
for(int l=0;l<m;l++){
dp[i][j][k][l]=-1;
if(i==k and j==l){
dp[i][j][k][l]=0;
}
}
}
}
}
cout<<find(0,0,n-1,m-1)<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
512 KB |
Output is correct |
6 |
Correct |
1 ms |
1024 KB |
Output is correct |
7 |
Correct |
1 ms |
1152 KB |
Output is correct |
8 |
Correct |
10 ms |
3456 KB |
Output is correct |
9 |
Correct |
18 ms |
4992 KB |
Output is correct |
10 |
Correct |
28 ms |
5888 KB |
Output is correct |
11 |
Correct |
23 ms |
5120 KB |
Output is correct |
12 |
Correct |
82 ms |
10496 KB |
Output is correct |
13 |
Correct |
140 ms |
12920 KB |
Output is correct |
14 |
Correct |
38 ms |
6144 KB |
Output is correct |
15 |
Correct |
182 ms |
14080 KB |
Output is correct |
16 |
Correct |
16 ms |
4864 KB |
Output is correct |
17 |
Correct |
69 ms |
9472 KB |
Output is correct |
18 |
Correct |
484 ms |
20216 KB |
Output is correct |
19 |
Correct |
788 ms |
24524 KB |
Output is correct |
20 |
Correct |
997 ms |
26056 KB |
Output is correct |