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Cod sursa(job #582878)
#include<iostream>
#include<fstream>
using namespace std;
int main ()
{ifstream f("flip.in");
ofstream g("flip.out");
int n,m,a[16][16],i,j,k,s,s1;
f>>n>>m;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
f>>a[i][j];
for(i=1;i<=m;i++)
{s=0;
for(j=1;j<=n;j++)
s=s+a[j][i];
if(s<0)
for(k=1;k<=n;k++)
a[k][i]=-a[k][i];
}
for(i=1;i<=n;i++)
{s=0;
for(j=1;j<=m;j++)
s=s+a[i][j];
if(s<0)
for(k=1;k<=m;k++)
a[i][k]=-a[i][k];
}
for(i=1;i<=m;i++)
{s=0;
for(j=1;j<=n;j++)
s=s+a[j][i];
if(s<0)
for(k=1;k<=n;k++)
a[k][i]=-a[k][i];
}
s=0;
for(i=1;i<=n;i++)
{for(j=1;j<=m;j++)
{s=s+a[i][j];
cout<<a[i][j]<<" ";}
cout<<endl;}
g<<s;
}