How do you find the sum of an array?

How do you find the sum of an array?

To find the sum of elements of an array.

  1. create an empty variable. ( sum)
  2. Initialize it with 0 in a loop.
  3. Traverse through each element (or get each element from the user) add each element to sum.
  4. Print sum.

Can I sum an array?

In order to find the sum of all elements in an array, we can simply iterate the array and add each element to a sum accumulating variable.

How do you find the sum of an array in a function?

C program to find the sum of array elements:

  1. #include
  2. //Calculate array size.
  3. #define ARRAY_SIZE(a) sizeof(a)/sizeof(a[0])
  4. int main()
  5. {
  6. int arr[] = {15, 12, 13, 10};
  7. int sum = 0; // accumulate sum in this variable.
  8. int i = 0;

How do you sum an array in C++?

Classical method The basic method to find the sum of all elements of the array is to loop over the elements of the array and add the element’s value to the sum variable.

How do you add two arrays?

In order to merge two arrays, we find its length and stored in fal and sal variable respectively. After that, we create a new integer array result which stores the sum of length of both arrays. Now, copy each elements of both arrays to the result array by using arraycopy() function.

How do I sum an array value in Excel?

Simple example of Excel array formula

  1. Select an empty cell and enter the following formula in it: =SUM(B2:B6*C2:C6)
  2. Press the keyboard shortcut CTRL + SHIFT + ENTER to complete the array formula.

Can you add arrays in Excel?

Creating an Array Formula You need to click on cell in which you want to enter the array formula. Begin the array formula with the equal sign and follow the standard formula syntax and use mathematical operators or built in functions in Excel formula, as required. Press Ctrl+Shift+Enter to produce the desired result.