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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 Demonstrate Function Overloading

C++ Program to Demonstrate Function Overloading

✅ C++ Program to Demonstrate Function Overloading Using Addition

#include <iostream>
using namespace std;

class maths
{
public:
    int add(int x, int y)
    {
        return x + y;
    }

    int add(int x, int y, int z)
    {
        return x + y + z;
    }
};

int main()
{
    int a, b, c;
    maths m;   // object of class

    cout << "Enter any two numbers:" << endl;
    cin >> a >> b;
    cout << "Sum of two numbers is: " << m.add(a, b) << endl;

    cout << "Enter any three numbers:" << endl;
    cin >> a >> b >> c;
    cout << "Sum of three numbers is: " << m.add(a, b, c) << endl;

    return 0;
}

📘 Explanation:

This program demonstrates function overloading in C++, which is a feature of compile-time polymorphism.

  • add(int x, int y) — adds two integers.
  • add(int x, int y, int z) — adds three integers.

Both functions have the same name but different parameter lists. The compiler decides which function to call based on the number of arguments passed.

🧾 Sample Output:

Enter any two numbers:
10 20
Sum of two numbers is: 30
Enter any three numbers:
1 2 3
Sum of three numbers is: 6

🔑 Keywords:

C++ function overloading, C++ add function, compile time polymorphism, C++ classes and objects, function overloading example, OOP in C++

📌 Hashtags:

#CPlusPlus #FunctionOverloading #OOP #CPPBasics #Programming #1printf

🔍 Search Description:

Learn function overloading in C++ with a simple addition program. Includes full explanation, sample output, and dark-themed code example.

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