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Cod sursa(job #519672)
#include<fstream>
using namespace std;
fstream f("euclid2.in", ios::in), g("euclid2.out", ios::out);
long long x, y, i, n;
int euclid(long long a, long long b)
{
long long rest;
while(b>0)
{
rest=a%b;
a=b;
b=rest;
}
return a;
}
int main()
{
f>>n;
for(i=1; i<=n; i++)
{
f>>x>>y;
g<<euclid(x, y)<<endl;
}
f.close();
g.close();
return 0;
}