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Cod sursa(job #154045)
#include <stdio.h>
#include <stdlib.h>
long a,b;
long euclid( long a, long b)
{
if ( b == 0 )
return a;
else
return euclid( b, a % b);
}
int main()
{
freopen("euclid2.in", "r", stdin);
freopen("euclid2.out", "w", stdout);
int T;
for ( scanf("%d", &T); T > 0; T--)
{
scanf("%ld %ld", &a, &b);
long rez = euclid(a,b);
printf("%ld\n", rez);
}
return 0;
}