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In this article we show you how to check if a number is even or odd in C++
We use the modulus operation which returns the remainder obtained when number is divided by 2.
For an even number, the remainder obtained on dividing a number by 2 has to be 0. For Odd, the remainder has to be 1.
Example
#include <iostream>
using namespace std;
int main()
{
cout << "Even or Odd \n\n";
//variable declaration
int number;
//taking input from the command line
cout << " Enter the number that you want to check : ";
cin >> number;
//check if the number is even or odd
if(number % 2 == 0)
{
cout << "\n\nThe entered number "<< number << " is Even\n";
}
else
{
cout << "\n\nThe entered number "<< number << " is Odd\n";
}
cout << "\n\n";
return 0;
}