摘要：
Given an n-ary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example, given a 3-ary tree: 阅读全文
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[富爸爸穷爸爸] 读书笔记1. 重要概念
2018-11-11 09:57 by Johnson_强生仔仔, 559 阅读, 收藏,
摘要：
《富爸爸穷爸爸》是由罗伯特·T·清崎 写的一本关于投资启蒙的书籍。 以下是我看了富爸爸， 穷爸爸之后的一点笔记。 1. 最最最重要的几条概念。 资产和负债 资产： 能把钱放进你口袋的东西。 负债： 把钱从你口袋里面拿出来的东西。 note: 中产阶级很多时候会买觉得是“资产”的负债， 尤其是房子， 阅读全文
[LeetCode] questions conclustion_BFS, DFS
2018-07-17 01:37 by Johnson_强生仔仔, 547 阅读, 收藏,
摘要：
BFS, DFS 的题目总结. Directed graph: Directed Graph Loop detection and if not have, path to print all path. Morris Traversal_ O(1) space to change binary t 阅读全文
[LeetCode] 827. Making A Large Island
2018-07-10 05:33 by Johnson_强生仔仔, 544 阅读, 收藏,
摘要：
In a 2D grid of 0s and 1s, we change at most one 0 to a 1. After, what is the size of the largest island? (An island is a 4-directionally connected gr 阅读全文
[LeetCode] All questions numbers conclusion 所有题目题号
2018-08-07 00:50 by Johnson_强生仔仔, 535 阅读, 收藏,
摘要：
Note: 后面数字n表明刷的第n + 1遍, 如果题目有**, 表明有待总结 Conclusion questions: [LeetCode] questions conclustion_BFS, DFS LeetCode questions conclustion_Path in Tree [L 阅读全文
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