LeetCode Top Interview Questions 8. String to Integer (atoi) (Java版; Medium) 题目描述 Implement atoi which converts a string to an integer. The function first discards as many whitespace characters as necessary until the first non-whitespace character is found. Then, starting from this characte...
LeetCode Top Interview Questions 344. Reverse String (Java版; Easy) 题目描述 Write a function that reverses a string. The input string is given as an array of characters char[]. Do not allocate extra space for another array, you must do this by modifying the input array in-place with O...
LeetCode Top Interview Questions https://leetcode.com/problemset/top-interview-questions/
publicintlengthOfLongestSubstring(String s) {intmaxL =0; //记录最大子串的长度Set<Character> charSet = new HashSet<Character>();inti=0,j=0; //滑动窗口的起点和终点while(i<s.length() && j<s.length()){if(!charSet.contains(s.charAt(j))){ charSet.add(s.charAt(j)); maxL = Math.m...
code .gitignore Top100.md TopInterview.md readme.md Repository files navigation README LeetCode 指南语言: Java 说明: 每道题在代码头部都添加了我的解题思路和批注,Eg: /*** * 287. Find the Duplicate Number * 题意:n+1个数属于[1~n],找出重复的那个数 * 难度:Medium * 分类:Array...
5. Stack 394.Decode String https://leetcode.com/problems/decode-string/ 6. Insert into a BSTLoading... 7. LRU.Loading... we want O(1) lookup, so we need a hashmap; we want to move nodes to head/tail, we need double linked list. ...
LeetCode (LC), being the largest repository of coding problems, contains more than 2k+ questions. Each question on LC can be tagged with one or more topics. These topics are either data structures like Array, HashTable, Tree, etc., or algorithmic techniques like Greedy, Divide and Conquer,...
I have added link to all the questions in read me according to days , you can try solving on your own before watching solution . leetcode codechef topcoder hackerrank codeforces hackerearth atcoder Updated Mar 11, 2021 C++ AliOsm / kontests Star 32 Code Issues Pull requests ...
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本书为 LeetCode 官方推出的经典面试题目清单,算法难度为中级,包括数组和字符串、链表、 树和图、回溯算法、排序和搜索、 动态规划、设计问题、数学、其他九部分内容。这些练习题能够助你温习知识点,进一步沉淀自己的知识。 适合人群 正在学习中级算法的进阶学习者 ...