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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...

Structure Examples in C Programming

Structure Examples in C Programming

✅ Structure Examples in C Programming

1️⃣ Sensor Data Structure (IoT / Embedded Systems)

struct SensorData {
    float temperature;
    float humidity;
    float pressure;
};
    

๐Ÿง  Explanation:

This structure represents typical data collected from environmental sensors used in IoT devices.

2️⃣ Date and Time Management

struct Date {
    int day;
    int month;
    int year;
};
    

๐Ÿง  Explanation:

This structure can be used for handling calendar date-related information.

3️⃣ Graphics: 2D Point with Color

struct Point {
    int x;
    int y;
};

struct Color {
    int red;
    int green;
    int blue;
};
    

๐Ÿง  Explanation:

These structures help in managing positions and color attributes in 2D graphics or GUI systems.

4️⃣ Networking: IP Header

struct IPHeader {
    char sourceIP[16];
    char destIP[16];
    int ttl;
};
    

๐Ÿง  Explanation:

This structure simulates part of an IP header used in low-level networking code.

5️⃣ E-Commerce Order System

struct Order {
    int orderId;
    char productName[100];
    int quantity;
    float price;
};
    

๐Ÿง  Explanation:

This structure is useful for managing order records in an e-commerce platform.

๐Ÿ”‘ Keywords:

Structure in C, typedef struct, embedded systems, C programming examples, IoT C struct, C struct tutorial, data structure in C

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