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C Program to Check Prime Number Using Efficient Logic

  Introduction A prime number is a number that has exactly two distinct positive divisors: 1 and itself. In this program, we check whether a given number is prime or not using a simple and efficient logic. This type of program is commonly used in mathematics, competitive programming, and basic algorithm learning for beginners in C programming. Problem Statement The task is to write a C program that determines whether a given integer is a prime number or not. The program takes a single integer input from the user and analyzes its divisibility. If the number has no divisors other than 1 and itself, it should be identified as a prime number; otherwise, it is not prime. This problem is important in number theory and has practical relevance in areas such as cryptography, data validation, and algorithm design.  Algorithm / Logic Explanation To check whether a number is prime, we need to verify that it is not divisible by any number other than 1 and itself. The algorithm follows a si...

C++ Program Using Inline Function to Check Even or Odd

C++ Inline Function – Even or Odd Number

C++ Program Using Inline Function to Check Even or Odd


#include <iostream>
using namespace std;

inline int even(int num)
{
    return (num % 2 == 0);
}

int main()
{
    int n;
    cout << "Enter the number: ";
    cin >> n;

    if(even(n))
        cout << n << " is an Even number" << endl;
    else
        cout << n << " is an Odd number" << endl;

    return 0;
}
  

๐Ÿ“˜ Explanation:

This program demonstrates the use of an inline function in C++ to determine whether a given number is even or odd.

The inline function even() checks if the number is divisible by 2. If the condition is true, the function returns 1 (true), otherwise it returns 0 (false).

Inline functions are commonly used for small and frequently called functions because they reduce function call overhead and improve performance.

๐Ÿงพ Sample Output:

Enter the number:
8
8 is an Even number
  

๐Ÿ”‘ Keywords:

C++ inline function, even odd program in C++, inline even function, C++ number programs, C++ basics

๐Ÿ” Search Description:

Learn how to check whether a number is even or odd in C++ using an inline function. This simple program includes explanation, syntax, and sample output.

๐Ÿ“Œ Hashtags:

#CPlusPlus #InlineFunction #EvenOdd #CPPBasics #Programming #1printf

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