Leetcode - 随笔分类(第10页) - amazingzoe

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 @ 2016-02-02 01:31 amazingzoe 阅读(138) 评论(0) 推荐(0)

Reorder List

摘要：Given a singly linked listL:L0→L1→…→Ln-1→Ln,reorder it to:L0→Ln→L1→Ln-1→L2→Ln-2→…You must do this in-place without altering the nodes' values.For exam... 阅读全文

posted @ 2015-12-28 00:20 amazingzoe 阅读(152) 评论(0) 推荐(0)

Range Sum Query

摘要：Given an integer arraynums, find the sum of the elements between indicesiandj(i≤j), inclusive.Example:Given nums = [-2, 0, 3, -5, 2, -1]sumRange(0, 2)... 阅读全文

posted @ 2015-11-10 23:31 amazingzoe 阅读(142) 评论(0) 推荐(0)

Game of Life

摘要：According to theWikipedia's article: "TheGame of Life, also known simply asLife, is a cellular automaton devised by the British mathematician John Hor... 阅读全文

posted @ 2015-11-06 05:40 amazingzoe 阅读(190) 评论(0) 推荐(0)

Missing Number

摘要：Given an array containingndistinct numbers taken from0, 1, 2, ..., n, find the one that is missing from the array.For example,Givennums=[0, 1, 3]retur... 阅读全文

posted @ 2015-11-02 02:45 amazingzoe 阅读(143) 评论(0) 推荐(0)

Summary Ranges

摘要：Given a sorted integer array without duplicates, return the summary of its ranges.For example, given[0,1,2,4,5,7], return["0->2","4->5","7"].Runtime: ... 阅读全文

posted @ 2015-10-30 00:29 amazingzoe 阅读(166) 评论(0) 推荐(0)

Move Zeroes

摘要：Given an arraynums, write a function to move all0's to the end of it while maintaining the relative order of the non-zero elements.For example, givenn... 阅读全文

posted @ 2015-10-19 11:27 amazingzoe 阅读(145) 评论(0) 推荐(0)

Combinations

摘要：Given two integers n and k, return all possible combinations of k numbers out of 1 ... n. For example,If n = 4 and k = 2, a solution is: [ [2,4], [3,4 阅读全文

posted @ 2015-10-13 05:06 amazingzoe 阅读(136) 评论(0) 推荐(0)

Permutations II

摘要：Given a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2]have the following unique perm... 阅读全文

posted @ 2015-10-13 04:25 amazingzoe 阅读(161) 评论(0) 推荐(0)

Permutations

摘要：Given a collection of numbers, return all possible permutations. For example,[1,2,3] have the following permutations:[1,2,3], [1,3,2], [2,1,3], [2,3,1 阅读全文

posted @ 2015-10-13 02:20 amazingzoe 阅读(245) 评论(0) 推荐(0)

Nim Game

摘要：You are playing the following Nim Game with your friend: There is a heap of stones on the table, each time one of you take turns to remove 1 to 3 ston... 阅读全文

posted @ 2015-10-13 02:04 amazingzoe 阅读(132) 评论(0) 推荐(0)

Find Minimum in Rotated Sorted Array II

摘要：Follow upfor "Find Minimum in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity? How and why?Suppose a sort... 阅读全文

posted @ 2015-10-13 00:59 amazingzoe 阅读(131) 评论(0) 推荐(0)

Letter Combinations of a Phone Number

摘要：Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephon... 阅读全文

posted @ 2015-10-13 00:20 amazingzoe 阅读(192) 评论(0) 推荐(0)

Generate Parentheses

摘要：Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, givenn= 3, a solution set is:"((()))... 阅读全文

posted @ 2015-10-12 23:36 amazingzoe 阅读(180) 评论(0) 推荐(0)

Find Minimum in Rotated Sorted Array

摘要：Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).Find the minimum element.You m... 阅读全文

posted @ 2015-10-12 09:38 amazingzoe 阅读(106) 评论(0) 推荐(0)

Single Number III

摘要：Given an array of numbersnums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find the two elements t... 阅读全文

posted @ 2015-10-12 07:40 amazingzoe 阅读(138) 评论(0) 推荐(0)

ZigZag Conversion

摘要：The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font fo... 阅读全文

posted @ 2015-10-12 07:04 amazingzoe 阅读(152) 评论(0) 推荐(0)

Max Points on a Line

摘要：Givennpoints on a 2D plane, find the maximum number of points that lie on the same straight line.Runtime: 40ms 1 /** 2 * Definition for a point. 3 *... 阅读全文

posted @ 2015-10-12 06:03 amazingzoe 阅读(150) 评论(0) 推荐(0)

Divide Two Integers

摘要：Divide two integers without using multiplication, division and mod operator.If it is overflow, return MAX_INT.Runtime: 8ms 1 class Solution { 2 public... 阅读全文

posted @ 2015-10-12 00:38 amazingzoe 阅读(134) 评论(0) 推荐(0)

Basic Calculator

摘要：Implement a basic calculator to evaluate a simple expression string.The expression string may contain open(and closing parentheses), the plus+or minus... 阅读全文

posted @ 2015-10-08 11:12 amazingzoe 阅读(158) 评论(0) 推荐(0)

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