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Cod sursa(job #716286)
#include <fstream>
using namespace std;
ifstream fin("euclid2.in");
ofstream fout("euclid2.out");
int euclid(int a, int b)
{
while(a)
{
if(a%b==0)
return b;
else if(b%a==0)
return a;
if(a==1 || b==1)
return 1;
if(a>b)
a=a%b;
else b=b%a;
}
}
int main()
{
int t, a,b,i;
fin>>t;
for(i=1;i<=t;i++)
{
fin>>a>>b;
fout<<euclid(a,b)<<'\n';
}
fin.close();
fout.close();
return 0;
}