九度OJ 1056 最大公约数

#include<stdio.h>
int x(int a,int b)
{
    if(a%b==0)return b;
    else
        return x(b,a%b);
}
int main(int argc, char *argv[])
{
    int m,n;
    //  freopen("in.txt","in",stdin);
    while(scanf("%d %d",&m,&n)!=EOF)
    {
        if(m>n)
            printf("%d\n",x(m,n));
        else
            printf("%d\n",x(n,m));
    }
    return 0;
}
 
/**************************************************************
    Problem: 1056
    User: kirchhoff
    Language: C
    Result: Accepted
    Time:0 ms
    Memory:912 kb
****************************************************************/