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Cod sursa(job #715974)
#include<fstream>
using namespace std;
ifstream fin("euclid2.in");
ofstream fout("euclid2.out");
using namespace std;
int cmmdc(int a , int b){
int r ;
r=a%b;
while(r!=0){
a=b;
b=r;
r=a%b;
}
return b;
}
int main(){
int t , i , a , b ;
fin>>t;
for(i=1 ; i<=t ; i++){
fin>>a>>b;
fout<<cmmdc(a, b)<<endl;
}
return 0;
}