摘要：
Given a binary tree, return theinordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[1,3,2].Note... 阅读全文
posted @ 2016-01-06 16:10
西小贝
阅读(138)
评论(0)
推荐(0)
摘要：
Reverse a linked list from positionmton. Do it in-place and in one-pass.For example:Given1->2->3->4->5->NULL,m= 2 andn= 4,return1->4->3->2->5->NULL.No... 阅读全文
posted @ 2016-01-06 16:09
西小贝
阅读(186)
评论(0)
推荐(0)
摘要：
Given a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given"25525511135",return["255.2... 阅读全文
posted @ 2016-01-06 16:09
西小贝
阅读(147)
评论(0)
推荐(0)
摘要：
Given a collection of integers that might contain duplicates,nums, return all possible subsets.Note:Elements in a subset must be in non-descending ord... 阅读全文
posted @ 2016-01-06 16:07
西小贝
阅读(182)
评论(0)
推荐(0)
摘要：
A message containing letters fromA-Zis being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message conta... 阅读全文
posted @ 2016-01-06 16:07
西小贝
阅读(199)
评论(0)
推荐(0)
摘要：
The gray code is a binary numeral system where two successive values differ in only one bit.Given a non-negative integernrepresenting the total number... 阅读全文
posted @ 2016-01-06 16:06
西小贝
阅读(153)
评论(0)
推荐(0)
摘要：
Given a linked list and a valuex, partition it such that all nodes less thanxcome before nodes greater than or equal tox.You should preserve the origi... 阅读全文
posted @ 2016-01-06 16:05
西小贝
阅读(122)
评论(0)
推荐(0)
摘要：
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the original list.For example,Given1->2->3-... 阅读全文
posted @ 2016-01-06 16:04
西小贝
阅读(110)
评论(0)
推荐(0)
摘要：
Follow up for "Search in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity? How and why?Write a function to... 阅读全文
posted @ 2016-01-06 16:03
西小贝
阅读(98)
评论(0)
推荐(0)
摘要：
Follow up for "Remove Duplicates":What if duplicates are allowed at mosttwice?For example,Given sorted arraynums=[1,1,1,2,2,3],Your function should re... 阅读全文
posted @ 2016-01-06 16:02
西小贝
阅读(98)
评论(0)
推荐(0)
摘要：
Given a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, where "adjace... 阅读全文
posted @ 2016-01-06 16:00
西小贝
阅读(131)
评论(0)
推荐(0)
摘要：
Given a set of distinct integers,nums, return all possible subsets.Note:Elements in a subset must be in non-descending order.The solution set must not... 阅读全文
posted @ 2016-01-06 15:59
西小贝
阅读(123)
评论(0)
推荐(0)
摘要：
Given two integersnandk, return all possible combinations ofknumbers out of 1 ...n.For example,Ifn= 4 andk= 2, a solution is:[ [2,4], [3,4], [2,3],... 阅读全文
posted @ 2016-01-06 15:57
西小贝
阅读(138)
评论(0)
推荐(0)
摘要：
Given an array withnobjects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, wh... 阅读全文
posted @ 2016-01-06 15:56
西小贝
阅读(110)
评论(0)
推荐(0)
摘要：
Write an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the following properties:Integers in each row are sorted from l... 阅读全文
posted @ 2016-01-06 15:55
西小贝
阅读(194)
评论(0)
推荐(0)
摘要：
Given amxnmatrix, if an element is 0, set its entire row and column to 0. Do it in place.Follow up:Did you use extra space?A straight forward solution... 阅读全文
posted @ 2016-01-06 15:54
西小贝
阅读(139)
评论(0)
推荐(0)
摘要：
Given an absolute path for a file (Unix-style), simplify it.For example,path="/home/", =>"/home"path="/a/./b/../../c/", =>"/c"Corner Cases:Did you con... 阅读全文
posted @ 2016-01-06 15:52
西小贝
阅读(146)
评论(0)
推荐(0)
摘要：
Implementint sqrt(int x).Compute and return the square root ofx. 1 class Solution {//二分 2 public: 3 int mySqrt(int x) { 4 if(x<=1) 5 ... 阅读全文
posted @ 2016-01-06 15:50
西小贝
阅读(149)
评论(0)
推荐(0)
摘要：
Given amxngrid filled with non-negative numbers, find a path from top left to bottom right whichminimizesthe sum of all numbers along its path.Note:Yo... 阅读全文
posted @ 2016-01-06 15:48
西小贝
阅读(118)
评论(0)
推荐(0)
摘要：
A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right at any point ... 阅读全文
posted @ 2016-01-06 15:46
西小贝
阅读(158)
评论(0)
推荐(0)
浙公网安备 33010602011771号