#include<iostream> #include<cstdio> using namespace std; int main(){ int a,b; while(scanf("%d%d",&a,&b)!=EOF){ int temp=a%b; while(temp){ a=b; b=temp; temp=a%b; } printf("%d\n",b); } return 0; }
#include<iostream> #include<cstdio> using namespace std; int main(){ int a,b; while(scanf("%d%d",&a,&b)!=EOF){ int temp=a%b; while(temp){ a=b; b=temp; temp=a%b; } printf("%d\n",b); } return 0; }