// Muallif: Azimjon Mehmonali o'g'li
#include <bits/stdc++.h>
using namespace std;
#define int long long
const long double PI = 3.1415926535897;
const int mod = 1000000007LL;
const int INF = 1e18;
signed main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n, m;
cin >> n >> m;
vector<vector<int>> g(n, vector<int>(m));
vector<int> sy;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
cin >> g[i][j];
}
sy.push_back(accumulate(g[i].begin(), g[i].end(), 0));
}
vector<vector<int>> dp(n, vector<int>(n, INF));
function<int(int, int)> dfs = [&](int l, int r) {
if (l == r) return 0ll;
if (dp[l][r] != INF) return dp[l][r];
int x = INF;
for (int i : {l, r, (l + r) / 2, (l + r) / 2 - 1, (l + r) / 2 + 1}) {
if (i < l || r < i + 1) continue;
x = min(x, dfs(l, i) + dfs(i + 1, r));
}
for (int i = l; i <= r; i++)
x += sy[i];
return x;
};
int nt = dfs(0, n - 1);
// cerr << nt << endl;
for (int i = 0; i < n; i++) {
dp.assign(m, vector<int>(m, INF));
sy = g[i];
nt += dfs(0, m - 1);
}
cout << nt << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
4 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
5 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
8 |
Incorrect |
51 ms |
204 KB |
Output isn't correct |
9 |
Incorrect |
39 ms |
204 KB |
Output isn't correct |
10 |
Incorrect |
79 ms |
304 KB |
Output isn't correct |
11 |
Incorrect |
138 ms |
204 KB |
Output isn't correct |
12 |
Incorrect |
333 ms |
332 KB |
Output isn't correct |
13 |
Incorrect |
688 ms |
332 KB |
Output isn't correct |
14 |
Incorrect |
349 ms |
332 KB |
Output isn't correct |
15 |
Incorrect |
865 ms |
332 KB |
Output isn't correct |
16 |
Incorrect |
39 ms |
204 KB |
Output isn't correct |
17 |
Incorrect |
106 ms |
332 KB |
Output isn't correct |
18 |
Incorrect |
2428 ms |
336 KB |
Output isn't correct |
19 |
Execution timed out |
5066 ms |
364 KB |
Time limit exceeded |
20 |
Execution timed out |
5050 ms |
332 KB |
Time limit exceeded |