find-numbers-with-even-number-of-digits

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Algorithms

Given an array <code>nums</code> of integers, return how many of them contain an even number of digits.

&nbsp;
Example 1:

<pre>
Input: nums = [12,345,2,6,7896]
Output: 2
Explanation: 
12 contains 2 digits (even number of digits).&nbsp;
345 contains 3 digits (odd number of digits).&nbsp;
2 contains 1 digit (odd number of digits).&nbsp;
6 contains 1 digit (odd number of digits).&nbsp;
7896 contains 4 digits (even number of digits).&nbsp;
Therefore only 12 and 7896 contain an even number of digits.
</pre>

Example 2:

<pre>
Input: nums = [555,901,482,1771]
Output: 1 
Explanation: 
Only 1771 contains an even number of digits.
</pre>

&nbsp;
Constraints:

<ul>
	<li><code>1 &lt;= nums.length &lt;= 500</code></li>
	<li><code>1 &lt;= nums[i] &lt;= 105</code></li>
</ul>