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Cod sursa(job #723829)
# include <iostream>
# include <fstream>
using namespace std;
ifstream f("euclid2.in");
ofstream g("euclid2.out");
int n;
long int euclid (long int a, long int b)
{
if (!b)
return a;
else
return euclid (b,a%b);
}
int main ()
{
long int x1,x2;
f >> n;
for (int i=1; i<=n; i++)
{
f >> x1 >> x2;
g << euclid(x1,x2)<< '\n';
}
f.close();
g.close();
}