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Cod sursa(job #498766)
#include<iostream>
#include<fstream>
using namespace std;
int main() {
int t,a,b,c,i;
fstream f("euclid2.in", ios::in);
fstream g("euclid2.out", ios::out);
f>>t;
if(t>=1 && t<=100000) {
for(i=1;i<=t;i++) {
f>>a;
f>>b;
if(a>=2 && b<=2*10*10*10*10*10*10*10*10*10) {
while(b!=0) {
c=a%b;
a=b;
b=c; }
g<<a<<endl;}
}
}
f.close();
g.close();
return 0;
}