咖啡中不塌缩的方糖

2016年9月11日

摘要： Given a binary tree, return the inorder traversal of its nodes' values. For example:Given binary tree [1,null,2,3], 1 \ 2 / 3 return [1,3,2]. Note: Re 阅读全文

posted @ 2016-09-11 06:17 咖啡中不塌缩的方糖阅读(149) 评论(0) 推荐(0)

71. Simplify Path QuestionEditorial Solution

摘要： Given an absolute path for a file (Unix-style), simplify it. For example,path = "/home/", => "/home"path = "/a/./b/../../c/", => "/c" path = "/a/./b/. 阅读全文

posted @ 2016-09-11 05:29 咖啡中不塌缩的方糖阅读(145) 评论(0) 推荐(0)

150. Evaluate Reverse Polish Notation QuestionEditorial Solution

摘要： Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another e 阅读全文

posted @ 2016-09-11 04:36 咖啡中不塌缩的方糖阅读(139) 评论(0) 推荐(0)

2016年9月9日

328. Odd Even Linked List

摘要： Given a singly linked list, group all odd nodes together followed by the even nodes. Please note here we are talking about the node number and not the 阅读全文

posted @ 2016-09-09 11:55 咖啡中不塌缩的方糖阅读(122) 评论(0) 推荐(0)

2. Add Two Numbers

摘要： You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single 阅读全文

posted @ 2016-09-09 10:25 咖啡中不塌缩的方糖阅读(122) 评论(0) 推荐(0)

2016年9月8日

21. Merge Two Sorted Lists

摘要： Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Recursiv 阅读全文

posted @ 2016-09-08 23:37 咖啡中不塌缩的方糖阅读(138) 评论(0) 推荐(0)

234. Palindrome Linked List

摘要： Given a singly linked list, determine if it is a palindrome. Follow up:Could you do it in O(n) time and O(1) space? if use space O(1), we need to use 阅读全文

posted @ 2016-09-08 22:38 咖啡中不塌缩的方糖阅读(113) 评论(0) 推荐(0)

203. Remove Linked List Elements

摘要： Remove all elements from a linked list of integers that have value val. ExampleGiven: 1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6, val = 6Return: 1 --> 2 -- 阅读全文

posted @ 2016-09-08 12:25 咖啡中不塌缩的方糖阅读(111) 评论(0) 推荐(0)

83. Remove Duplicates from Sorted List

摘要： Given a sorted linked list, delete all duplicates such that each element appear only once. For example,Given 1->1->2, return 1->2.Given 1->1->2->3->3, 阅读全文

posted @ 2016-09-08 12:00 咖啡中不塌缩的方糖阅读(107) 评论(0) 推荐(0)

141. Linked List Cycle

摘要： Given a linked list, determine if it has a cycle in it. Follow up:Can you solve it without using extra space? 典型的2 pointer 问题，一个走的快，一个走到慢，如果是cycle就一定会阅读全文

posted @ 2016-09-08 11:15 咖啡中不塌缩的方糖阅读(110) 评论(0) 推荐(0)

咖啡中不塌缩的方糖

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