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Cod sursa(job #716239)
#include<fstream>
using namespace std;
int main()
{int a[100][100],n,m,j,i,S;
ifstream f("flip.in");
ofstream g("flip.out");
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(j=1;j<=n;j++)
a[j][i]*=-1;
}
for(i=1;i<=n;i++)
{S=0;
for(j=1;j<=m;j++)
{S+=a[i][j];}
if(S<0)
for(j=1;j<=m;j++)
a[i][j]*=-1;
}
S=0;
for(i=1;i<=n;i++)
{for(j=1;j<=m;j++)
{g<<a[i][j]<<" ";
S+=a[i][j];}
g<<"\n";}
g<<S<<"\n";
f.close();
g.close();
return 0;}