#include<bits/stdc++.h>
#define el '\n'
#define fi first
#define sc second
#define int ll
#define pii pair<int, int>
#define all(v) v.begin(), v.end()
using namespace std;
using ll=long long;
using ull=unsigned long long;
using ld=long double;
const int mod=1e9+7;
const int N=1e5+11;
int m, n, a[151][N], pfs[151][N];
void sol()
{
cin >> m >> n;
for(int i=1;i<=m;i++) for(int j=1;j<=n;j++)
{
cin >> a[i][j];
pfs[i][j]=pfs[i-1][j]+pfs[i][j-1]-pfs[i-1][j-1]+a[i][j];
}
int ans=1e18, all=pfs[m][n];
for(int len=1;len<=m;len++)
{
for(int i=1;i+len-1<=m;i++)
{
int ma=0;
for(int j=1;j<=n;j++)
{
int sl1=pfs[i+len-1][j]-pfs[i-1][j];
ans=min(ans, all+j*len-2*sl1-ma);
ma=max(ma, j*len-2*sl1);
}
}
}
cout << ans;
}
signed main()
{
// freopen("divisor.INP", "r", stdin);
// freopen("divisor.OUT", "w", stdout);
ios_base::sync_with_stdio(0);
cin.tie(0);
int t=1;
//cin >> t;
while(t--)
{
sol();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
604 KB |
Output is correct |
2 |
Correct |
1 ms |
604 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
43 ms |
19728 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
5724 KB |
Output is correct |
2 |
Correct |
9 ms |
5888 KB |
Output is correct |
3 |
Correct |
9 ms |
3932 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1628 KB |
Output is correct |
2 |
Correct |
5 ms |
2540 KB |
Output is correct |
3 |
Correct |
6 ms |
4444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
111 ms |
14932 KB |
Output is correct |
2 |
Correct |
113 ms |
17128 KB |
Output is correct |
3 |
Correct |
113 ms |
16980 KB |
Output is correct |