출처 - https://leetcode.com/explore/learn/card/fun-with-arrays/521/introduction/3237/ Explore - LeetCode LeetCode Explore is the best place for everyone to start practicing and learning on LeetCode. No matter if you are a beginner or a master, there are always new topics waiting for you to explore. leetcode.com 문제 Given an array nums of integers, return how many of them contain an even number of d..