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Cod sursa(job #854434)
#include <iostream>
#include<fstream>
using namespace std;
fstream f("flip.in",ios::in);
fstream g("flip.out",ios::out);
long i,j,m,n,max1,max2,s,a[20][20],l;
int main()
{f>>n>>m;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
f>>a[i][j];
for(l=1;l<=10;l++)
{
for(j=1;j<=m;j++)
{
max1=0;max2=0;
for(i=1;i<=n;i++)
{ max1=max1+(a[i][j]*-1);
max2=max2+a[i][j];
}
if(max2<max1)
{for(i=1;i<=n;i++)
a[i][j]=a[i][j]*-1;}
}
for(i=1;i<=n;i++)
{ max1=0;max2=0;
for(j=1;j<=m;j++)
{ max1=max1+(a[i][j]*-1);
max2=max2+a[i][j];
}
if(max2<max1)
{for(j=1;j<=m;j++)
a[i][j]=a[i][j]*-1;}
}
for(j=1;j<=m;j++)
{max1=0;max2=0;
for(i=1;i<=n;i++)
{ max1=max1+(a[i][j]*-1);
max2=max2+a[i][j];
}
if(max2<max1)
{for(i=1;i<=n;i++)
a[i][j]=a[i][j]*-1;}
}}
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;
return 0;
}