判断m几位数?教教我

Question

Answer 1

供参考：

#include<stdio.h>
int main()
{
    int i,n,m;
    scanf("%d",&n);
    m = n;
    for(i=0;m > 0; i++)
        m = m/10;
    printf("%d是%d位数\n",n,i);
    
    return 0;
}