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Cod sursa(job #534602)
#include <fstream.h>
//using namespace std;
ifstream f("joculflip.in");
ofstream g("joculflip.out");
int n,m,i,j,total,max,c,c2,poz1,poz2,a[100][100],ok;
int main()
{ f>>n>>m;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++) f>>a[i][j];
i=1;j=1;
while(i<=n) { for(j=1;j<=m;j++) { c+=a[i][j];
c2+=(a[i][j]*-1);
}
if(c2>c && c2>max) { max=c2; poz1=i; }
c2=0; c=0; i++;
}
j=1;
while(j<=m) { for(i=1;i<=n;i++) { c+=a[i][j]; c2+=a[i][j]*-1;
}
if(c2>c && c2>max){ max=c2; poz2=j;}
c2=0; c=0; j++;
}
for(j=1;j<=m;j++) a[poz1][j]*=-1;
for(i=1;i<=n;i++) a[i][poz2]*=-1;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++) total=total+a[i][j];
g<<total;
f.close();
g.close();
return 0;
}