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Cod sursa(job #784049)
#include<stdio.h>
using namespace std;
int T , a , b;
int euclid(int a , int b)
{
if(b==0)
return a;
else
return euclid(b,a%b);
}
int main()
{
freopen("euclid2.in" , "r" , stdin );
freopen("euclid2.out" , "w" , stdout );
scanf("%d" , &T);
for( int i = 1 ; i<= T ; ++i )
{
scanf("%d%d" , &a , &b );
printf("%d\n" , euclid(a,b));
}
}