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C Program to find Sum of Array

Posted in C Tutorial
Updated on Oct 06, 2024
By Mari Selvan
πŸ‘οΈ 170 - Views
⏳ 4 mins
πŸ’¬ 1 Comment
C Program to find Sum of Array

Photo Credit to CodeToFun

πŸ™‹ Introduction

In the world of programming, array manipulation is a common and essential task. One frequent operation is finding the sum of elements in an array.

In this tutorial, we will explore a simple yet effective C program that calculates the sum of elements in an array.

πŸ“„ Example

Let's dive into the C code that accomplishes this task.

findSumOfArray.c
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#include <stdio.h>

// Function to find the sum of array elements
int findSumOfArray(int arr[], int size) {
  int sum = 0;

  for (int i = 0; i < size; ++i) {
    sum += arr[i];
  }

  return sum;
}

// Driver program
int main() {
  // Replace these values with your array elements
  int array[] = {1, 2, 3, 4, 5};
  int size = sizeof(array) / sizeof(array[0]);

  // Call the function to find the sum
  int sum = findSumOfArray(array, size);

  // Print the result
  printf("Sum of the array elements: %d\n", sum);

  return 0;
}

πŸ’» Testing the Program

To test the program with different array elements, simply replace the values in the array initialization.

Output
Sum of the array elements: 15

Compile and run the program to see the sum of the array elements.

🧠 How the Program Works

  1. The program defines a function findSumOfArray that takes an array and its size as input and returns the sum of its elements.
  2. Inside the function, it iterates through the array and accumulates the sum.
  3. The main function initializes an array with sample values and calculates its size.
  4. It then calls the findSumOfArray function and prints the result.

🧐 Understanding the Concept of Sum of Array

Before diving into the code, it's essential to understand the concept of finding the sum of array elements. The sum of an array is obtained by adding up all the elements it contains.

For example, in the array {1, 2, 3, 4, 5}, the sum is 1 + 2 + 3 + 4 + 5 = 15.

🎒 Optimizing the Program

While the provided program is straightforward, you can explore optimizations such as handling large arrays, incorporating error checking, or parallelizing the sum calculation for improved performance.

Feel free to incorporate and modify this code as needed for your specific use case. Happy coding!

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Author

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πŸ‘‹ Hey, I'm Mari Selvan

For over eight years, I worked as a full-stack web developer. Now, I have chosen my profession as a full-time blogger at codetofun.com.

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Mari Selvan
Mari Selvan
10 months ago

If you have any doubts regarding this article (C Program to find Sum of Array), please comment here. I will help you immediately.

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