#include <bits/stdc++.h>
using namespace std;
int dp[51][51][51][51], a[51][51], pref[51][51];
int main() {
int n, m; cin >> n >> m;
for(int i = 1; i < n + 1; i++) for(int j = 1; j < m + 1; j++) {
cin >> a[i][j];
pref[i][j] = pref[i - 1][j] + pref[i][j - 1] + a[i][j] - pref[i - 1][j - 1];
}
for(int i = 1; i < n + 1;) for(int j = 1; j < m + 1; j++) for(int k = 1; k < n - i + 2; k++) for(int l = 1; l < m - j + 2; l++) {
if (i == 1 && j == 1) continue;
int mn = INT_MAX;
for(int x = 1; x < i; x++) mn = min(mn, dp[k][l][x][j] + dp[k + x][l][i - x][j]);
for(int x = 1; x < j; x++) mn = min(mn, dp[k][l][i][x] + dp[k][l + x][i][j - x]);
dp[k][l][i][j] = mn + pref[k + i - 1][l + j - 1] + pref[k - 1][l - 1] - pref[k + i - 1][l - 1] - pref[k - 1][l + j - 1];
}
cout << dp[1][1][n][m];
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
5092 ms |
212 KB |
Time limit exceeded |
2 |
Execution timed out |
5041 ms |
212 KB |
Time limit exceeded |
3 |
Execution timed out |
5057 ms |
340 KB |
Time limit exceeded |
4 |
Execution timed out |
5060 ms |
340 KB |
Time limit exceeded |
5 |
Execution timed out |
5046 ms |
340 KB |
Time limit exceeded |
6 |
Execution timed out |
5054 ms |
688 KB |
Time limit exceeded |
7 |
Execution timed out |
5077 ms |
724 KB |
Time limit exceeded |
8 |
Execution timed out |
5090 ms |
1876 KB |
Time limit exceeded |
9 |
Execution timed out |
5052 ms |
2260 KB |
Time limit exceeded |
10 |
Execution timed out |
5083 ms |
2772 KB |
Time limit exceeded |
11 |
Execution timed out |
5088 ms |
2516 KB |
Time limit exceeded |
12 |
Execution timed out |
5074 ms |
4180 KB |
Time limit exceeded |
13 |
Execution timed out |
5094 ms |
5076 KB |
Time limit exceeded |
14 |
Execution timed out |
5081 ms |
3028 KB |
Time limit exceeded |
15 |
Execution timed out |
5094 ms |
5588 KB |
Time limit exceeded |
16 |
Execution timed out |
5063 ms |
1876 KB |
Time limit exceeded |
17 |
Execution timed out |
5022 ms |
3668 KB |
Time limit exceeded |
18 |
Execution timed out |
5067 ms |
8020 KB |
Time limit exceeded |
19 |
Execution timed out |
5052 ms |
9788 KB |
Time limit exceeded |
20 |
Execution timed out |
5092 ms |
10324 KB |
Time limit exceeded |