DSA/algorithms/CPlusPlus/Recursion/decimal-to-binary-conversio...

27 lines
771 B
C++

// Program to convert Decimal to Binary
// Negative numbers are expressed here as Signed magnitude representation
// Executable link: https://ide.geeksforgeeks.org/Cubhhp1jIl
#include <iostream>
using namespace std;
// Trap: Remember the limit of int in C++
// if a binary of a number exceed the limit of int, it will overflow
// Tip: Use long long (and unsigned long long) instead
unsigned long long decimalToBinary (int decimal_number) {
if (decimal_number == 0)
return 0;
else
return (decimal_number%2 + 10*decimalToBinary(decimal_number/2));
}
int main() {
int numb = 5;
int signed_bit = 0;
if(numb < 0)
signed_bit = 1;
cout << "Binary of " << numb << " is " << signed_bit << decimalToBinary(numb);
return 0;
}