Check Even or Odd.cpp

/* Hint : We can use bitwise operators to check if the number is odd or even. 
We need to check whether last bit is 1 or not. If last bit is 1 then number is odd, otherwise the number is even */

#include <iostream>
using namespace std;

// Returns true if n is
// even, else odd
bool isEven(int n)
{
    // n & 1 is 1, then
    // odd, else even
    return (!(n & 1));
}

int main()
{
    int N;
    cout << "Enter the number" << endl;
    cin >> N;
    isEven(N) ? cout << "EVEN" : cout << "ODD";

    return 0;
}