Question

How to convert a number to binary using recursion in C++

Answer 1

#include <iostream>
 
int getBinary_Recursion(int n) {
    if (n == 0) {
        return 0;
    }
    else {
        return (n % 2) + 10 * getBinary_Recursion(n / 2);
    }
}
  
int main()
{
    int n = 14;
 
    std::cout << getBinary_Recursion(n);
  
    return 0;
}
  
  
  
/*
run:
  
1110
  
*/

 

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