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Cod sursa(job #233059)
#include<fstream.h>
long a[17][17];
int n,m,s;
ifstream f("flip.in");
ofstream g("flip.out");
void citire()
{int i,j;
f>>n>>m;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
f>>a[i][j];
f.close();
}
int main()
{ citire();
int i,j,sl,sc,pozl,pozc;
long minl=1000000,minc=1000000;
for(i=1;i<=n;i++)
{sl=0;
for(j=1;j<=m;j++)
sl+=a[i][j];
if(minl>sl) {minl=sl; pozl=i;}
}
for(j=1;j<=m;j++)
{sc=0;
for(i=1;i<=n;i++)
sc+=a[i][j];
if(minc>sc) { minc=sc; pozc=j;}
}
i=pozl;
for(j=1;j<=m;j++)
a[i][j]=a[i][j]*(-1);
j=pozc;
for(i=1;i<=n;i++)
a[i][j]=a[i][j]*(-1);
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
s+=a[i][j];
g<<s;
g.close();
return 0;
}