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C Program to Solve Two Sum Using Brute Force (With Algorithm & Output)

 Introduction The Two Sum problem is a popular coding interview question where we must find two indices of an array whose values add up to a given target. This program demonstrates a simple brute-force solution in C using nested loops and dynamic memory allocation. Problem Statement Given an integer array and a target value, return the indices of the two numbers such that they add up to the target. Each input has exactly one solution, and the same element cannot be used twice. The result should return the indices, not the values. If no solution exists, return NULL.  Algorithm / Logic Explanation Start the program. Traverse the array using a loop from index 0 to numsSize - 1 . Inside this loop, use another loop starting from i + 1 to numsSize - 1 . For every pair (i, j) , check if nums[i] + nums[j] == target . If condition becomes true: Allocate memory for 2 integers using malloc() . Store indices i and j . Set returnSize = 2 . Return the result poi...
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C++ Program to Find Factorial Using Inline Function

C++ Inline Function – Factorial of a Number

C++ Program to Find Factorial Using Inline Function


#include <iostream>
using namespace std;

inline int factorial(int n)
{
    int fact = 1;
    for(int i = 1; i <= n; i++)
        fact *= i;
    return fact;
}

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

    cout << "Factorial = " << factorial(n);
    return 0;
}

📘 Explanation:

This C++ program calculates the factorial of a number using an inline function.

The inline function factorial() multiplies all integers from 1 to n using a loop and returns the final result.

Declaring the function as inline suggests the compiler to replace the function call with the function body, improving performance for small functions.

🧾 Sample Output:

Enter a number:
5
Factorial = 120

🔑 Keywords:

C++ inline function factorial, factorial program in C++, inline factorial, C++ loop programs, C++ basics

🔍 Search Description:

Learn how to calculate factorial of a number in C++ using inline function. This example includes code, explanation, and output.

📌 Hashtags:

#CPlusPlus #InlineFunction #FactorialProgram #CPPBasics #LoopInCPP #1printf

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