#include <bits/stdc++.h>
#define int long long
using namespace std;
vector<vector<int>> v(55,vector<int>(55)), p(55,vector<int>(55));
vector<vector<vector<vector<int>>>> dp(55,vector<vector<vector<int>>>(55,vector<vector<int>>(55,vector<int>(55,1e9))));
int f(int a, int b, int c, int d) {
if(a==c&&b==d) dp[a][b][c][d] = v[a][b];
for(int i=a;i<c;i++) dp[a][b][c][d] = min(p[c+1][d+1]-p[a][d+1]-p[c+1][b]+p[a][b]+f(a,b,i,d)+f(i+1,b,c,d),dp[a][b][c][d]);
for(int i=b;i<d;i++) dp[a][b][c][d] = min(p[c+1][d+1]-p[a][d+1]-p[c+1][b]+p[a][b]+f(a,b,c,i)+f(a,i+1,c,d),dp[a][b][c][d]);
return dp[a][b][c][d];
}
signed main() {
ios::sync_with_stdio(0); cin.tie(0);
int n, m; cin >> n >> m;
for(int i=0;i<n;i++) for(int j=0;j<m;j++) cin >> v[i][j];
for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) {p[i][j] = p[i-1][j]+p[i][j-1]-p[i-1][j-1]+v[i-1][j-1];}
f(0,0,n-1,m-1);
cout << dp[0][0][n-1][m-1]-p[n][m];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
120 ms |
78720 KB |
Output is correct |
2 |
Correct |
126 ms |
78612 KB |
Output is correct |
3 |
Correct |
120 ms |
78676 KB |
Output is correct |
4 |
Correct |
121 ms |
78672 KB |
Output is correct |
5 |
Correct |
209 ms |
78672 KB |
Output is correct |
6 |
Execution timed out |
5047 ms |
78672 KB |
Time limit exceeded |
7 |
Execution timed out |
5049 ms |
78676 KB |
Time limit exceeded |
8 |
Execution timed out |
5062 ms |
78760 KB |
Time limit exceeded |
9 |
Execution timed out |
5040 ms |
78672 KB |
Time limit exceeded |
10 |
Execution timed out |
5061 ms |
78608 KB |
Time limit exceeded |
11 |
Execution timed out |
5040 ms |
78672 KB |
Time limit exceeded |
12 |
Execution timed out |
5020 ms |
78612 KB |
Time limit exceeded |
13 |
Execution timed out |
5067 ms |
78672 KB |
Time limit exceeded |
14 |
Execution timed out |
5042 ms |
78744 KB |
Time limit exceeded |
15 |
Execution timed out |
5076 ms |
78676 KB |
Time limit exceeded |
16 |
Execution timed out |
5088 ms |
78672 KB |
Time limit exceeded |
17 |
Execution timed out |
5030 ms |
78676 KB |
Time limit exceeded |
18 |
Execution timed out |
5018 ms |
78676 KB |
Time limit exceeded |
19 |
Execution timed out |
5048 ms |
78688 KB |
Time limit exceeded |
20 |
Execution timed out |
5046 ms |
78672 KB |
Time limit exceeded |