C Program to Print Binary Equivalent of an Integer using Recursion

#include < stdio.h>
 
int binary_conversion(int);
 
int main()
{
   int num, bin;
 
   printf("Enter a decimal number: ");
   scanf("%d", &num);
   bin = binary_conversion(num);
   printf("The binary equivalent of %d is %d\n", num, bin);
}
 
int binary_conversion(int num)
{
    if (num == 0)
    {
        return 0;
    }
    else
    {
        return (num % 2) + 10 * binary_conversion(num / 2);
    }
}}

Output

 Enter a decimal number:  10 
The binary equivalent of  10  is  1010 

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