2016年2月1日
[LeetCode] Verify Preorder Serialization of a Binary Tree 验证二叉树的先序序列化
摘要： One way to serialize a binary tree is to use pre-order traversal. When we encounter a non-null node, we record the node's value. If it is a null node, 阅读全文
posted @ 2016-02-01 10:52 Grandyang 阅读(11455) 评论(5) 推荐(0)
[LeetCode] 157. Read N Characters Given Read4 用Read4来读取N个字符
摘要： Given a file and assume that you can only read the file using a given method read4, implement a method to read n characters. Method read4: The API rea 阅读全文
posted @ 2016-02-01 02:54 Grandyang 阅读(18191) 评论(2) 推荐(0)
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