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Cod sursa(job #905461)
#include <fstream>
using namespace std;
int main()
{
ifstream fin("flip.in");
ofstream fout("flip.out");
int N,M,v[17][17],s=0,i,j,sneg,spoz,s1;
fin>>N>>M;
for(i=1;i<=N;i++)
{
sneg=0;
spoz=0;
for(j=1;j<=M;j++)
{
fin>>v[i][j];
if(v[i][j]<0)
sneg+=v[i][j];
else
spoz+=v[i][j];
}
if(spoz<-sneg)
s+=-sneg-spoz;
else
s+=sneg+spoz;
}
for(j=1;j<=M;j++)
{
sneg=0;
spoz=0;
s1=0;
for(i=1;i<=N;i++)
{
fin>>v[i][j];
s1+=v[i][j];
if(v[i][j]<0)
sneg+=v[i][j];
else
spoz+=v[i][j];
}
if(spoz<-sneg)
s+=-s1-sneg-spoz;
}
fout<<s;
return 0;
}