08 2016 档案
摘要：You have two every large binary trees: T1, with millions of nodes, and T2, with hundreds of nodes. Create an algorithm to decide if T2 is a subtree of
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摘要：Given a string, find the length of the longest substring without repeating characters. Examples: Given "abcabcbb", the answer is "abc", which the leng
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摘要：You need to write a function, which will accept a String and return first non-repeated character, for example in the world "hello", except 'l' all are
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摘要：Sort a linked list using insertion sort.
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摘要：Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Note: Do not modify the linked list.
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摘要：A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null. Return a deep copy
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摘要：Given an array where elements are sorted in ascending order, convert it to a height balanced BST.
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摘要：Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. You should preserve the
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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,
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摘要：Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example,Given 1->2
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摘要：Given a list, rotate the list to the right by k places, where k is non-negative. For example:Given 1->2->3->4->5->NULL and k = 2,return 4->5->1->2->3-
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摘要：Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. If the number of nodes is not a multiple of k then l
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摘要：Given a linked list, swap every two adjacent nodes and return its head. For example,Given 1->2->3->4, you should return the list as 2->1->4->3. Your a
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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? 解题报告： 1. 找到LinkedList 的中点 2. 翻转链表（
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摘要：Reverse a singly linked list. recursive version iterative version
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摘要：Given an array of numbers nums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find the two elements
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摘要：Given an array of integers, every element appears twice except for one. Find that single one. Note:Your algorithm should have a linear runtime complex
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摘要：Given an array of integers, every element appears three times except for one. Find that single one. Note:Your algorithm should have a linear runtime c
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摘要：There are n bulbs that are initially off. You first turn on all the bulbs. Then, you turn off every second bulb. On the third round, you toggle every
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摘要：We are playing the Guess Game. The game is as follows: I pick a number from 1 to n. You have to guess which number I picked. Every time you guess wron
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