摘要: 原题链接在这里:https://leetcode.com/problems/flatten-2d-vector/ 题目: Implement an iterator to flatten a 2d vector. Example: Input: 2d vector = [ [1,2], [3], [ 阅读全文
posted @ 2016-02-25 11:48 Dylan_Java_NYC 阅读(651) 评论(0) 推荐(0) 编辑