2016年7月26日
376. Wiggle Subsequence
摘要： 376. Wiggle Subsequence A sequence of numbers is called a wiggle sequence if the differences between successive numbers strictly alternate between pos 阅读全文
posted @ 2016-07-26 12:48 新一代的天皇巨星 阅读(751) 评论(0) 推荐(0)
331. Verify Preorder Serialization of a Binary Tree
摘要： 331. Verify Preorder Serialization of a Binary Tree One way to serialize a binary tree is to use pre-order traversal. When we encounter a non-null nod 阅读全文
posted @ 2016-07-26 12:47 新一代的天皇巨星 阅读(159) 评论(0) 推荐(0)