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Cod sursa(job #149201)
#include<fstream.h>
int main(void)
{
int n,m,j,i;
long int mat[16][16], st, s,smax;
ifstream in("flip.in")
in>>n>>m;s=0;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
{
in>>mat[i][j];
st=st+mat[i][j];
}
in.close();
smax=-st;s=0;
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
s=s-mat[i][j];
if(s>smax)smax=s;
}
}
for(j=1;j<=m;j++)
{
for(i=1;i<=n;i++)
{
s=s-mat[i][j];
if(s>smax)smax=s;
}
}
cout<<smax;
return 0;
}