What does sum mean in c language?

sum in C language is the name of a function used to calculate the sum of all elements in an integer array. The syntax is int sum(int arr[], int size). It accepts an array and array size as parameters and returns the sum of the array. If the array is empty or has size 0, returns 0.

sum meaning in C language

sum is a commonly used function name in C language, used for Calculate the sum of a series of numbers.

Function:

sum function accepts an integer array and the size of the array as parameters and returns the sum of all elements in the array.

Syntax:

<code class="C">int sum(int arr[], int size);</code>

Parameters:

• arr: Integer array to calculate the sum
• size: The size of the array

Return value:

Returns the sum of all elements in the array arr. If the array is empty or size is 0, 0 is returned.

Example:

<code class="C">int main() {
  int arr[] = {1, 2, 3, 4, 5};
  int size = sizeof(arr) / sizeof(arr[0]);

  int total = sum(arr, size);

  printf("数组 arr 的总和为：%d\n", total);

  return 0;
}</code>

Output:

<code>数组 arr 的总和为：15</code>

In this example, the sum function calculates all elements in the array arr The sum of , that is, 1 2 3 4 5 = 15.

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