aloalgoCount Even Numbers
Very Easy
You are given an array of integers nums.
Your task is to count how many elements in nums are even.
You may assume that:
- The array may be empty.
Return the count of even numbers in the array.
Example 1
Input
[1, 2, 3, 4, 5, 6]
Output
3
Explanation:
The even numbers are 2, 4, and 6, so the count is 3.
Example 2
Input
[1, 3, 5, 7]
Output
0
Explanation:
There are no even numbers in the array.
Example 3
Input
[2, 4, 6]
Output
3
Explanation:
All elements are even, so the count is 3.
Input
[1, 2, 3, 4, 5, 6]
Output
3