原创 LeetCode之Depth-first Search題目彙總
Balanced Binary Tree Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced b
2020-06-17 08:49:41
原创 LeetCode 300 Longest Increasing Subsequence
題目描述 Given an unsorted array of integers, find the length of longest increasing subsequence. For example, Given [10
2020-06-17 08:49:41
1
原创 LeetCode之Trie題目彙總
Implement Trie (Prefix Tree) Implement a trie with insert, search, and startsWith methods. Note: You may assume th
2020-06-17 08:49:41
原创 LeetCode之Math題目彙總
Add Binary Given two binary strings, return their sum (also a binary string). For example, a = "11" b = "1" Retu
2020-06-17 08:49:41
原创 LeetCode之Array題目彙總
Two Sum Given an array of integers, find two numbers such that they add up to a specific target number. The functio
2020-06-17 08:49:41
2
原创 LeetCode之Breadth-first Search題目彙總
Binary Tree Level Order Traversal Given a binary tree, return the level order traversal of its nodes’ values. (ie,
2020-06-17 08:49:41
原创 LeetCode之Dynamic Programming題目彙總
Best Time to Buy and Sell Stock Say you have an array for which the ith element is the price of a given stock on da
2020-02-26 04:08:37
1
原创 LeetCode之Hash Table題目彙總
我的博客：http://blog.csdn.net/yano_nankai LeetCode題解：https://github.com/LjyYano/LeetCode Group Anagrams Given an array
2020-02-26 04:08:37
原创 LeetCode之Binary Search題目彙總
Count Complete Tree Nodes Given a complete binary tree, count the number of nodes. Definition of a complete binary
2020-02-26 04:08:27
原创 LeetCode之Divide and Conquer題目彙總
Different Ways to Add Parentheses Given a string of numbers and operators, return all possible results from computi
2020-02-26 04:08:27
原创 LeetCode 033 Search in Rotated Sorted Array
題目描述 Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4
2020-02-26 04:08:27
原创 LeetCode之String題目彙總
Count and Say The count-and-say sequence is the sequence of integers beginning as follows: 1, 11, 21, 1211, 111221
2020-02-26 04:08:27
原创 LeetCode之Graph題目彙總
Course Schedule There are a total of n courses you have to take, labeled from 0 to n - 1. Some courses may have pre
2020-02-26 04:08:27
原创 LeetCode之Sort題目彙總
H-Index Given an array of citations (each citation is a non-negative integer) of a researcher, write a function to
2020-02-26 04:08:27
原创 LeetCode之Tree題目彙總
Balanced Binary Tree Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced b
2020-02-26 04:08:27