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Cod sursa(job #230004)
#include<iostream>
#include<fstream>
using namespace std;
ifstream f ("euclid2.in");
ofstream g ("euclid2.out");
int n,i,a,b;
int cmmdc(int m, int n)
{
if(n>=m) m+=n,n=m-n,m=m-n;
if(!n) return m;
return cmmdc(n,m%n);
}
int main()
{
f>>n;
cout<<n<<endl;
for(i=0;i<n;i++) f>>a>>b,g<<cmmdc(a,b)<<endl;
f.close();
g.close();
return 0;
}