Untitled
unknown
plain_text
a year ago
1.1 kB
10
Indexable
#include <bits/stdc++.h>
#define endl '\n'
#define maxn 105
#define TASK bai1
#define For(i,a,b) for ( int i = a; i <= b; i++ )
#define Ford(i,a,b) for ( int i = a; i >= b; i-- )
#define MOD 100000000000007
using namespace std;
int a[maxn][maxn],n,m,ans = -MOD,pre[maxn][maxn],sum,i,j,k,l;
void inp()
{
cin >> m >> n;
For(i,1,m)
For(j,1,n)
{
cin >> a[i][j];
pre[i][j] = pre[i][j] + pre[i-1][j] + pre[i][j-1] - pre[i-1][j-1] + a[i][j];
}
}
void solve()
{
For(h1,1,m)
For(c1,1,n)
For(h2,h1,m)
For(c2,c1,n)
{
sum = pre[h2][c2] - pre[h1-1][c2] - pre[h2][c1-1] + pre[h1-1][c1-1];
if(ans < sum)
{
ans = sum;
i = h1; j = c1; k = h2; l = c2;
}
}
cout << ans << endl;
cout << i << " " << j << " " << k << " " << l;
}
int main()
{
ios_base:: sync_with_stdio(0);
cin.tie(0);
if(fopen("bai7.inp","r")){
freopen("bai7.inp","r",stdin);
}
inp();
solve();
}
Editor is loading...
Leave a Comment