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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...
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C++ Inline Function Example

C++ Inline Function Example

✅ C++ Program to Demonstrate Inline Function


#include <iostream>
using namespace std;

inline int add(int a, int b)
{
    return a + b;
}

int main()
{
    int x, y;
    cout << "Enter any two numbers:" << endl;
    cin >> x >> y;
    cout << "The sum of two numbers is:" << add(x, y) << endl;
    return 0;
}

📘 Explanation:

This program demonstrates the use of an inline function in C++. An inline function is a function that is expanded in line when it is called, instead of performing a normal function call.

The function add() is declared using the inline keyword. When this function is called inside main(), the compiler replaces the function call with the actual function code.

Inline functions are generally used for small functions to reduce the overhead of function calls and improve execution speed.

🧾 Sample Output:

Enter any two numbers:
5 7
The sum of two numbers is:12

🔑 Keywords:

C++ inline function, inline function example, C++ add function, C++ functions, C++ basics, compile time optimization

🔍 Search Description:

Learn inline functions in C++ with a simple program that adds two numbers. This example explains how inline functions work and when to use them.

📌 Hashtags:

#CPlusPlus #InlineFunction #CPPBasics #Programming #Coding #1printf

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