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Cod sursa(job #275018)
#include <iostream>
#include <fstream>
#include <math.h>
using namespace std;
ifstream f("euclid2.in");
ofstream g("euclid2.out");
long long t,a,b,n,i;
long long cmmdc( long long a, long long b)
{
if( a%b == 0) return 0;
else
return cmmdc( b, a%b ); }
void ReadData()
{f>>n;
for(i=1;i<=n;i++)
{ f>>a>>b; t=cmmdc(a,b); g<<t<<endl;}
}
int main()
{ReadData();
f.close();
g.close();
return 0;}