Description
Given an array nums of integers, return how many of them contain an even number of digits. For example, 12 has 2 digits (even), 123 has 3 digits (odd).
Examples
Input:
nums = [12,345,2,6,7896]Output:
2Explanation:
12 has 2 digits and 7896 has 4 digits (both even). The numbers 345 (3 digits), 2 (1 digit), and 6 (1 digit) have odd digit counts.
Input:
nums = [1,22,333,4444,55555]Output:
2Explanation:
22 has 2 digits (even) and 4444 has 4 digits (even). The numbers 1, 333, and 55555 have 1, 3, and 5 digits respectively (all odd).
Input:
nums = [9,8,7,6,5]Output:
0Explanation:
All numbers are single digits (1 digit each), which is odd. Therefore, no numbers have an even number of digits.
Constraints
- •
1 ≤ nums.length ≤ 500