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Cod sursa(job #593929)
#include <fstream>
using namespace std;
int gcd(int a, int b) {
if (!a) return b;
int t;
while (b) {
t=b;
b=a%b;
a=t;
}
return a;
}
int main() {
int a,b,n;
ifstream fin("euclid2.in");
ofstream fout("euclid2.out");
if (fin.is_open() && fout.is_open()) {
fin>>n;
for (int i=0;i<n;i++) {
fin>>a; fin>>b;
fout<<gcd(a,b)<<endl;
}
return 0;
}
else
return 1;
}