How to solve while loop in array?

For what it’s worth, the function is looping through the given array [9,8,6,2] and adding the numbers together. It’s essentially a sum of the values of the given array.

The var s is initially zero (0) (int s = 0). It loops through each value in the array and adds it to itself (s = s + arr[i]). As the loop continues, the value of s continues to grow.

Therefore, the returned value of the function would be 25:

s = 9 + 8 + 6 + 2

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