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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...

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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