摘要：
DESCRIPTION: Return the number (count) of vowels in the given string. We will consider a, e, i, o, u as vowels for this Kata (but not y). The input st 阅读全文
摘要：
Given an array of integers ```nums``` and an integer ```target```, return indices of the two numbers such that they add up to ```target```. You may as 阅读全文