输入数字计算位数

2022-05-03 00:37:25

目的：输入任意长度整数数字，求出所含数字位数

[tiger506@localhost C_C++]$ cat ./num_dig.c
#include<stdio.h>

int num_digit(int n)
{
int count = 0;
while(n != 0)
{
    count++;
    n = n / 10;
}
return count;
}

int main(void)
{
int n;
printf("Enter a number: ");
scanf("%d", &n);
printf("The digit of the number is : %d\n", num_digit(n));

return 0;
}