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Cod sursa(job #272889)
#include<fstream.h>
ifstream fin("euclid2.in");
ofstream fout("euclid2.out");
long long int a,b,T;
long long int cmmdc()
{long long r;
while(b>0)
{r=a%b;
a=b;
b=r;
}
return a;
}
void eval()
{long long int i;
fin>>T;
for(i=1;i<=T;i++)
{fin>>a>>b;
fout<<cmmdc()<<'\n';
}
}
int main()
{eval();
fin.close();
fout.close();
return 0;
}