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Cod sursa(job #900830)
#include <fstream>
using namespace std;
ifstream f ("euclid2.in");
ofstream g ("euclid2.out");
int n, x, y;
int euclid2 (int a, int b)
{
if (a%b==0)
return b;
else return euclid2 (b,a%b);
}
int euclid1 (int a, int b)
{
if (a>=b)
return euclid2 (a,b);
else return euclid2 (b,a);
}
int main()
{
f>>n;
for (int i=1; i<=n; ++i)
{
f>>x>>y;
g<<euclid1(x,y)<<'\n';
}
return 0;
}