原创 Ten sort algorithms in interviews
http://www.admin10000.com/document/7042.html
2020-07-06 03:42:40
原创 208. Implement Trie (Prefix Tree)
Implement a trie with insert, search, and startsWith methods. Note: You may assume that all inputs are consist of lo
2020-02-23 20:59:37
原创 230. Kth Smallest Element in a BST
Given a binary search tree, write a function kthSmallest to find the kth smallest element in it. Note: You may assu
2020-02-23 20:59:37
原创 131. Palindrome Partitioning
Given a string s, partition s such that every substring of the partition is a palindrome. Return all possible palin
2020-02-23 20:59:37
原创 309. Best Time to Buy and Sell Stock with Cooldown
Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find
2020-02-23 20:59:37
原创 241. Different Ways to Add Parentheses
Given a string of numbers and operators, return all possible results from computing all the different possible ways t
2020-02-23 20:59:37
原创 96. Unique Binary Search Trees
Given n, how many structurally unique BST's (binary search trees) that store values 1...n? For example, Given n = 3,
2020-02-23 20:59:37
原创 173. Binary Search Tree Iterator
Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.
2020-02-23 20:59:37
原创 221. Maximal Square
Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area. Fo
2020-02-23 20:59:37
原创 215. Kth Largest Element in an Array
Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not th
2020-02-23 20:59:37
原创 211. Add and Search Word - Data structure design
Design a data structure that supports the following two operations: void addWord(word) bool search(word) search(wor
2020-02-23 20:59:37
原创 300. Longest Increasing Subsequence
Given an unsorted array of integers, find the length of longest increasing subsequence. For example, Given [10, 9, 2
2020-02-23 20:59:37
原创 Array Summary
The order of elements can be changed. It doesn't matter what you leave beyond the new length. You can just copy the ele
2018-09-02 08:59:21
原创 130. Surrounded Regions
Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'. A region is captured by flipping al
2018-09-02 08:59:21
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原创 LInkedList
When using two pointers, do not use fast.next != nullfast may be null Given a sorted linked list, delete all nodes th
2018-09-02 08:59:21
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