nums, return the sum of all the even numbers in it. If there are no even numbers, return 0.Sum of Even Numbers
L1 Easy Arrays & Hashing
Concept
An array is an ordered list of values. You can step through it with a for-in loop and inspect each element. This is your first building block.
Given an array of integers
Examples
▸ nums = [1, 2, 3, 4]
→ 6
▸ nums = [1, 3, 5]
→ 0
▸ nums = []
→ 0
Progressive Hints
Hint 1 · Nudge
The only numbers that count are the ones you can split in half with nothing left over.
Hint 2 · Plan
Keep a running total that starts at 0. Walk through every number in the array; when a number is even, add it to the total. After the loop, return the total.
Hint 3 · Approach
total = 0. For each n in the array: if n is even (n % 2 == 0) then total = total + n. Return total.
All hints are out. Take a breath and give it a shot.
Output
// Run your code to see the output here.