#include<stdio.h>
int main(
void)
{
int count,number;
count=
0;
printf("Enter a number:");
scanf("%d",&
number);
if(number<
0)number=-
number;
do{
number=number/
10;
count++
;
}while(number!=
0);
printf("It contains%d digits.\n",count);
return 0;
}
转载于:https://www.cnblogs.com/liruijia199531/p/3357361.html
