2014年4月30日

Reverse Integer

摘要： Reverse digits of an integer.Example1:x = 123, return 321Example2:x = -123, return -321Have you thought about this?Here are some good questions to ask... 阅读全文

posted @ 2014-04-30 12:47 Atlas-Zzz 阅读(165) 评论(0) 推荐(0)

Same Tree

摘要： Given two binary trees, write a function to check if they are equal or not.Two binary trees are considered equal if they are structurally identical an... 阅读全文

posted @ 2014-04-30 09:37 Atlas-Zzz 阅读(119) 评论(0) 推荐(0)

BST(Binary Search Tree)

摘要： Definition: see wikihttp://en.wikipedia.org/wiki/Binary_search_tree 1 /* 2 This look up is a fast operation because you eliminate the half 3 t... 阅读全文

posted @ 2014-04-30 08:17 Atlas-Zzz 阅读(264) 评论(0) 推荐(0)

Maximum Depth of Binary Tree

摘要： Given a binary tree, find its maximum depth.The maximum depth is the number of nodes along the longest path from the root node down to the farthest le... 阅读全文

posted @ 2014-04-30 05:39 Atlas-Zzz 阅读(121) 评论(0) 推荐(0)

Single Number

摘要： Single NumberGiven an array of integers, every element appearstwiceexcept for one. Find that single one.Note:Your algorithm should have a linear runti... 阅读全文

posted @ 2014-04-30 05:11 Atlas-Zzz 阅读(114) 评论(0) 推荐(0)

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