#include<stdio.h>
int main()
{
unsigned long long n,i,m=1;
scanf("%llu",&n);
for(i=1;;i++)
{if(n/10==0)
{break;
}else{
n=n/10;
m++;}
}
printf("%llu",m);
return 0;
}
标签:10,return,++,llu,long,include,10.17 From: https://blog.51cto.com/u_15758636/5764606