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Cod sursa(job #392509)
#include<fstream.h>
ifstream fin("flip.in");
ofstream fout("flip.out");
int n,m,i,j;
long a[16][16],s1;
int main()
{ fin>>n>>m;
for(i=0;i<n;i++)
for(j=0;j<m;j++)
fin>>a[i][j];
for(i=0;i<n;i++)
{s1=0;
for(j=0;j<m;j++)
s1+=a[i][j];
if(-s1>s1)
for(j=0;j<m;j++)
a[i][j]=-a[i][j];
}
for(j=0;j<m;j++)
{s1=0;
for(i=0;i<n;i++)
s1+=a[i][j];
if(-s1>s1)
for(i=0;i<n;i++)
a[i][j]=-a[i][j];
}s1=0;
for(i=0;i<n;i++)
{ for(j=0;j<m;j++)
{fout<<a[i][j];s1+=a[i][j];}
fout<<'\n';
}
fout<<' '<<s1;
fin.close();
fout.close();
return 0;
}