#include <stdio.h>

int main()
{
    int x,s=1,n=1;
    scanf("%d",&x);
    while(s<x)
    {
        s=s*10+1;
        n++;
    }
    while(1) {
        printf("%d",s/x); 
        if(s%x==0) break;
        s=(s%x)*10+1;
        n++;
    }
    printf(" %d",n);
    return 0;
}

代码来自：https://yunjinqi.top/article/167