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Cod sursa(job #789221)
#include<iostream>
#include <fstream>
using namespace std;
long cmmdc(long a, long b)
{
if(b == 0)
return a;
else return cmmdc(b, a % b);
}
int main()
{
ifstream f ("euclid2.in");
ofstream g ("euclid2.out");
long T, i, j, x[1000][2];
f>>T;
for(i=1; i<=T; i++)
{
f>>x[i][1];
f>>x[i][2];
g<<cmmdc(x[i][1], x[i][2])<<"\n";
}
return 0;
}