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Cod sursa(job #574786)
#include<fstream>
using namespace std;
ifstream f("euclid2.in");
ofstream g("euclid2.out");
int cmmdc(int a, int b)
{if(a==b)
return a;
else if (a>b)
return cmmdc(a-b,b);
else
return cmmdc(a,b-a);
}
int main()
{int t,a,b,i;
f>>t;
for(i=1;i<=t;i++)
{f>>a; f>>b;
if(cmmdc(a,b)==1) g<<0<<'\n';
else g<<cmmdc(a,b)<<'\n';}
return 0;
}