Question

C - Language Create a recursive function to print a multi-digit number vertically.

For example, 2378 should be printed as

2

3

7

8

Be sure to test your program with numbers of different length.

The recursive function should return an int and take an int as a parameter.

The function should have a base case where the parameter is 0 and this should return 0

Define a temp variable using the remainder operator where temp is equal to the number passed to the function % 10 this will give you the last digit of the number

Call the recursive function again with the parameter/10

print the number from temp.

Answer 1

Code:

#include<stdio.h>
int main()
{
int num;
printf("Enter a Number:");
scanf("%d",&num);
  
multi_digit(num); //calling multi_digit function
  
return 0;
}

// Function to print multi digit number vertically
int multi_digit(int n)
{
int temp;
if (n == 0) //Base case if n == 0 returns 0
{
return 0;
}   
else
{
temp = n%10; //gives last digit of a number
multi_digit(n/10); //calling function recursively with quotient
printf("%d\n", temp); //prints digits
}
  
return 0;
}

Snapshot of Code:

Output: