摘要：
The key challenge to this problem is to make the code clean. This post has shared a nice example, which is rewritten below in C++.class Solution {publ... 阅读全文
摘要：
Problem Description:Given two 1d vectors, implement an iterator to return their elements alternately.For example, given two 1d vectors:v1 = [1, 2]v2 =... 阅读全文