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Cod sursa(job #362440)
#include <fstream>
std::ifstream fin("euclid2.in");
std::ofstream fout("euclid2.out");
long long int a, b, c;
long int N;
void cmmdc()
{
while (b)
{
c = a % b;
a = b;
b = c;
}
}
int main()
{
fin >> N;
for (long int i = 0; i < N; i++)
{
fin >> a >> b;
cmmdc();
fout << a << "\n";
}
fout.close();
}