You are given an integer array pref of size n. Given an array nums containing n distinct numbers in the range [0, n], return the only number in the range that is missing from the array. Arrays and strings are the most common types of questions to be found in interviews; gaining familiarity with them will help in building strong fundamentals to better handle tougher questions. In this article we'll solve Leetcode array. Description. LeetCode Explore is the best place for everyone to start practicing and learning on LeetCode. const permute = (nums) => {. The overall run time complexity should be O(log (m+n)). ; initialize the start and end index as 0. This is the best place to expand your knowledge and get prepared for your next interview. figure(figsize=(8, 8)) plt. Contents 46Best Time to Buy and Sell Stock III 85 47Best Time to Buy and Sell Stock IV 86 48Longest Common Prefix 88 49Largest Number 89 50Combinations 90 51Compare Version Numbers 92 52Gas Station 93 53Candy 95 54Jump Game 96 55Pascal’s Triangle 97 56Container With Most Water 98 57Count and Say 99 58Repeated DNA Sequences. This is the best place to expand your knowledge and. 2532. Our platform offers a range of essential problems for practice, as well as the latest questions being asked by top-tier. ; Align the substitution table with the regular English alphabet. </pre> <p dir=\"auto\"> </p> <p dir=\"auto\"><strong>Constraints:</strong></p> <ul dir=\"auto\"> \t<li><code>n == arrival. Increment Submatrices by One 2537. . Example 1: Input: s = "hello" Output: "holle" Example 2: Input: s = "leetcode" Output: "leotcede" Constraints: *. . cn, can. 4 Median of Two Sorted Arrays. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"#1 Two Sum","path":"#1 Two Sum","contentType":"file"},{"name":"#10 Regular Expression. Given an integer n, return all distinct solutions to the n-queens puzzle. You are given two strings start and target, both of length n. The best thing you can do to be good at leetcode is recognizing these patterns. LeetCode’s free version is a highly sought-after feature that allows you access to many practice challenges. 5 in python. Popular Codes. LeetCode 721. let result. 6. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"#1 Two Sum","path":"#1 Two Sum","contentType":"file"},{"name":"#10 Regular Expression. We have 1 LeetCode coupon codes today, good for discounts at leetcode. github/blob. 1. This is the best place to expand your knowledge and get prepared for your next interview. Can you solve this real interview question? Unique Number of Occurrences - Given an array of integers arr, return true if the number of occurrences of each value in the array is unique or false otherwise. Palindrome Linked List: Given the head of a singly linked list, return true if it is a palindrome. Alphanumeric characters include letters and numbers. This is the best place to expand your knowledge and get prepared for your next interview. After clicking "Run Code", the. Time Taken to Cross the Door. h> 静态 Public 成员函数: static int * get_p (char ch, int *a, int *b, int *c): static stringGiven an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. md","path":"solution/2500-2599/. '*' Matches zero or more of the preceding element. Time Taken to Cross the Door. Stock Price Fluctuation - Stock Price Fluctuation - LeetCode. Given head, the head of a linked list, determine if the linked list has a cycle in it. Set time for difficulty levels 2. It' as easy as a pie to get your favorites with less money. Offer secured! 372 upvotes · 70 comments. The service provides coding and algorithmic problems intended for users to practice coding . ; The character '_'. Can you solve this real interview question? Peeking Iterator - Design an iterator that supports the peek operation on an existing iterator in addition to the hasNext and the next operations. Given the root of a binary tree, return its maximum depth. Thankfully Leetcode is a fantastic training ground, every problem has hundreds of test cases often including every edge case that would break the code if not accounted for. Solutions. . Given the head of a singly linked list, return the middle node of the linked list. Full code on Medium: Show more. By using the LeetCode API, you can integrate LeetCode's content into your. LeetCode has a stock of a broad option of at a competitive price. The steps to decode message are as follows:. LeetCode Solutions: A Record of My Problem Solving Journey. If target exists, then return its. Our platform offers a range of essential problems for practice, as well as the latest questions being asked by top-tier companies. idea","contentType":"directory"},{"name":"algorithm","path":"algorithm. Integers and positions - odd and even odd. md","path":"solution/2500-2599/. Example 1: Input: head = [1,2,3,4,5] Output: [5,4,3,2,1] Example 2: Input: head = [1,2] Output: [2,1] Example 3: Input: head = [] Output: [] Constraints: The number of nodes in the list is the range [0, 5000]. 2534. Fast and slow pointers pattern. Shoppers save an average of 15. No releases published. Time Taken to Cross the Door Description. 10. Random Pick with Blacklist. Our platform offers a range of essential problems for practice, as well as the latest questions being asked by top-tier companies. ft. This is the best place to expand your knowledge and get prepared for your next interview. You may return the answer in any order. ; The integer is even. Boost your coding interview skills and confidence by practicing real interview questions with LeetCode. You lose your confidence, your motivation, your passion. Russian Doll Envelopes. 另外，本题中每个人只会进出队列一次，而每个人的到达时间都不超过n. You can't stop because Leetcode has become your life. Example 2: Input: nums = [6,5,6,5,8], threshold = 7 Output: 1. md","path":"solution/2500-2599/. The overall run time complexity should be O(log (m+n)). Note: This is a companion problem to the System Design problem: Design TinyURL. 第一题是leetcode 2812，差异是有固定的起始点和终点；第二题是实际应用类型，第二题找了很久的bug是，在. You must choose a subsequence of indices from nums1 of length k. New. Solve Easy problems. Jeavio 1 MoneyLion 1 purplle 1. Implement the LRUCache class:. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"#1 Two Sum","path":"#1 Two Sum","contentType":"file"},{"name":"#10 Regular Expression. 6 beds, 2. Time Taken to Cross the Door in Python, Java, C++ and more. Utilize the c argument for the scatter method and set it to green to make the scatter points green. View user2534q's profile on LeetCode, the world's largest programming community. ·. That’s where ChatGPT comes in. This is the best place to expand your knowledge and get prepared for your next interview. val <= 5000 . It contains an auto-generated table of all solutions with links to the solution, problem, and BigO time and memory analysis. 2534. md","path":"solution/2500-2599/. All Nodes Distance K in Binary Tree. Given four integer arrays nums1, nums2, nums3, and nums4 all of length n, return the number of tuples (i, j, k, l) such that:. Meeting Rooms II - LeetCode. house located at 2534 Eastdowne Rd, Victoria, BC V8R 5P9 sold for $280,000 on Aug 30, 2002. Through the articles, the solution author strives to provide intuitive explanations. Each letter in message is. 00000 Explanation: merged array = [1,2,3] and median is 2. house located at 2534 Vista Bay Rd, Victoria, BC V8P 3E8 sold for $615,000 on May 23, 2008. This is a live recording of a real engineer solving a problem liv. You can choose to use a singly or doubly linked list. As it can be inferred from the examples above, all the integer values would appear at the leaf nodes, while the interior nodes represent the operators. Functional Programming can be superb for coding algorithm problems! The famous Trapping Rain Water problem can be solved elegantly in a few folds in a FP language. LeetCode is a platform on which you can solve interview questions and read some other interview-related materials. Frequency. DailyLeetcode. com and leetcode. You must write an algorithm that runs in O (log n) time. Gather 50 or more schoolmates to get LeetCode Premium annually for a continued lifetime at only $99! Price Comparison. We would like to show you a description here but the site won’t allow us. It can be shown that 2 is the minimum number of deletions needed. Author : Akshay Ravindran. g. x % z == 0,; y % z. Given a non-negative integer x, return the square root of x rounded down to the nearest integer. val is the value of the current node, and next is a pointer/reference to the next node. LeetCode. It takes O(nlogn) time for sorting and take O(mlogn) or O(m(logm)(logn)) time (average or worst cases) to filter and compact result into a set. This is the best place to expand your knowledge and get prepared for your next interview. 又是带优先级的时序模拟问题，不过本题只有两个等待队列waiting_in和waiting_out。. Time Taken to Cross the Door":{"items":[{"name":"README. The time required is 1 * 4 * 4 = 16 minutes. The output will be the entire list after calling your function. The last character of a. 6th-10th. “A lot of my drive for being involved in technology is. The robot can only move either down or right at any point in time. You are given an integer array digits, where each element is a digit. British Columbia Canada Boracay Philippines 名古屋 日本. 2nd. I recently received a job offer from one of FAANG. 通过门的时间 又是带优先级. Just click on the "Testcase" tab, modify or enter your test case in the input box, and click "Run Code". 3rd-5th. Time to Cross a Bridge. {"payload":{"allShortcutsEnabled":false,"fileTree":{"leetcode":{"items":[{"name":"Offer","path":"leetcode/Offer","contentType":"directory"},{"name":"1. The product of any prefix or suffix of nums is guaranteed to fit in a 32-bit integer. Above I have listed 150 best practice LeetCode’s coding questions from easy to hard based on the number of upvotes per each question, from highest upvote numbers and gradually. Integers - count of pairs. Are you tired of struggling with algorithm questions on LeetCode? As someone (with 5+ years of experience) who has started practicing and studying these problems, I can relate to the frustration. Time Taken to Cross the Door in Python, Java, C++ and more. length <= 104. Example 1: Input: nums = [1,3,4,3,1], threshold = 6 Output: 3 Explanation: The subarray [3,4,3] has a size of 3, and every element is greater than 6 / 3 = 2. If target is not found in the array, return [-1, -1]. 2533. It can be proved that the cars cannot be repaired in less than 16 minutes. Table: Employee +-----+-----+ | Column Name | Type | +-----+-----+ | id | int | | name | varchar | | salary | int | | departmentId | int | +-----+-----+ id is the. Example 1: Input: nums = [1,2,1] Output: [1,2,1,1,2,1] Explanation: The array ans is formed as follows: - ans =. org. Ln 1, Col 1Level up your coding skills and quickly land a job. Can you solve this real interview question? Meeting Rooms II - Level up your coding skills and quickly land a job. Saved searches Use saved searches to filter your results more quicklyAs all the operators in the tree are binary, hence each node will have either 0 or 2 children. {"payload":{"allShortcutsEnabled":false,"fileTree":{"solution/2500-2599/2534. The word can be constructed from letters of sequentially adjacent cells, where adjacent cells are horizontally or vertically neighboring. LeetCode - The World's Leading Online Programming Learning Platform. The word can be constructed from letters of sequentially adjacent cells, where adjacent cells are horizontally or vertically neighboring. Other great sites and apps similar to LeetCode are Codecademy, exercism, Codewars and Project Euler. More tutorial please visit： here Introduction Support for leetcode. Example 1: Input: s = "A man, a plan, a canal: Panama". Repeated String Match (c) Sliding window algorithm (Exact or anagram Pattern Matching): used to find any anagram of the pattern inside the string. Check Java/C++ solution and Company Tag of Leetcode 534 for free。Unlock prime for Leetcode 534. It provides users access to interview simulations, a built-in debugger, and premium solutions and problems. Different approaches to solve Leetcode 234 in JavaScript. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"#1 Two Sum","path":"#1 Two Sum","contentType":"file"},{"name":"#10 Regular Expression. LeetCodeLeetCode Articles Articles Articles 2023 Labels Labels Array Hash Table LeetCode Solution LeetCode Solution. Thanking in advance. Ask Question Asked 2 years, 6 months ago. • 2 yr. Example 1: Input: pref = [5,2,0,3,1] Output: [5,7,2,3,2] Explanation: From the array [5,7,2,3,2] we have the following: - pref[0] = 5. Can you solve this real interview question? Word Search - Given an m x n grid of characters board and a string word, return true if word exists in the grid. ; It can. You may assume the two numbers do not contain any leading zero,. You are currently at point (1, 1), and you need to reach the point (targetX, targetY) using a finite number of steps. Only one I’m aware of is during thanksgivings. txt","path":"2501-3000/2534. [1] LeetCode has gained popularity among job seekers and coding enthusiasts as a resource for technical interviews and coding competitions. Given the root of a binary tree, return all root-to-leaf paths in any order. 3Sum Smaller - LeetCode. Submissions. You are given an n x n 2D matrix representing an image, rotate the image by 90 degrees (clockwise). Time Taken to Cross the Door":{"items":[{"name":"README. md","path":"solution/2500-2599/. How efficiently you do that and the accuracy of your solution are what’s being evaluated. 75 Essential & Trending Problems. LRUCache(int capacity) Initialize the LRU cache with positive size capacity. 和地里的题一样，三题抽两题， 我运气比较好，没有抽到最长的那道题，第一题leetcode 2534， 用两个queue去处理， 同时记录下当前的state和时间就可以。. void put(int key, int value) Update the value of the key if the key exists. If the number of nodes is not a multiple of k then left-out nodes, in the end, should remain as it is. 数组基础知识 数组基础知识; 数组基础题目; 数组. Solve Easy problems. Improve fluency in coding language. . Seen this question in a real interview before? 1/4. A leaf is a node with no children. You are given an array of k linked-lists lists, each linked-list is sorted in ascending order. Premium subscription with student discount. You switched accounts on another tab or window. Left = 3. Editorial. However, it’s constrained and can only go so far in helping your preparation. View anshul2534's profile on LeetCode, the world's largest programming community. LeetCode problems are widely used during technical interviews at companies like Facebook, Hulu and Google. At least, to start learning to leetcode for interview prep. You must solve the problem without modifying the array nums and uses only constant extra space. Boost your coding interview skills and confidence by practicing real interview questions with LeetCode. 2534. Acceptance. - The second mechanic will repair four cars. In [12]: plt. There are exactly two islands in grid. You signed out in another tab or window. Example 1: Input: s = "ABAB", k = 2 Output: 4 Explanation: Replace the two 'A's with two 'B's or vice versa. {"payload":{"allShortcutsEnabled":false,"fileTree":{"solution/2500-2599/2534. During an interview, SQL is also a key factor. The test. LeetCode 863. Editorial. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"#1 Two Sum","path":"#1 Two Sum","contentType":"file"},{"name":"#10 Regular Expression. Remove Duplicate Letters - Given a string s, remove duplicate letters so that every letter appears once and only once. 624 views 4 days ago. You can return the answer in any order. Modified 2 years, 6 months ago. Boost your coding interview skills and confidence by practicing real interview questions with LeetCode. Without loss of generality, assume n is counts of numbers of the list with less elements and m is counts of numbers of another one. Leetcode is famous for being a perfect platform for practicing coding problems and to master coding interviews, unlike others, it is not for competitive. Graph, BFS, DFS. You forget why you wanted to code in the first place. A maximum binary tree can be built recursively from nums using the following algorithm:. It is a pointer algorithm that utilizes two pointers that move through the array,. Solve Easy, Medium & Hard problems in 3:6:1 ratio (3:5:2 is also recommended). I realized how fundamental this is when recently I had to work with a database that didn’t have the proper constraints and contained unexpected values in. Example 1: Input: lists = [ [1,4,5], [1,3,4], [2,6]] Output: [1,1,2,3,4,4,5,6] Explanation: The linked-lists are: [ 1->4->5, 1->3->4, 2->6 ] merging them into one sorted list. Example 1: Input: nums = [0,1,0,3,12] Output: [1,3,12,0,0] Example 2: Input: nums = [0] Output: [0] Constraints: * 1 <= nums. While it’s important to gain confidence by solving easy problems, it’s not recommended to solely rely on them. You can only see the k numbers in the window. the donor paid one of the following taxes: (check ( ) one)part b – for out-of-province gifts within canada only (part a must also be completed)2534. Can you solve this real interview question? Count Primes - Given an integer n, return the number of prime numbers that are strictly less than n. Better add it just as a link in some links or equivalent section, remember to not make your resume too big. $8. Left = 3, right = 4. LeetCode water bottle. Accounts Merge. For chosen indices i 0, i 1,. Words consist of only uppercase and lowercase English letters. Can you solve this real interview question? 3Sum Smaller - Level up your coding skills and quickly land a job. Currently, it is one of the best ways to practice coding interview rounds. An island is a 4-directionally connected group of 1's not connected to any other 1's. The platform offers world-class education for free and can be accessed by learners, teachers,. Click "Switch Layout" to move the solution panel right or left. No matter if you are a beginner or a master, there are always new topics waiting for you to explore. 🚀 - A better way to prepare for Coding Interviews🥷 Discord: Twitter: S. Description. Study Plan. It can be proven that the answer is unique. Filter by these if you want a narrower list of alternatives or. LinkedList. Time Taken to Cross the Door":{"items":[{"name":"README. Example 1: Input: nums = [3,0,1] Output: 2 Explanation: n = 3 since there are 3 numbers, so all numbers are in the range [0,3]. python java sql algorithms leetcode leetcode-solutions leetcode-python authomation leetcode-sql github-actions. You are given a non-decreasing integer array arrival of size n, where arrival. Pick a topic and solve problems with that. Make Number of Distinct Characters Equal. A sentence is circular if:. Our platform offers a range of essential problems for. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"#1 Two Sum","path":"#1 Two Sum","contentType":"file"},{"name":"#10 Regular Expression. Solutions (2. {"payload":{"allShortcutsEnabled":false,"fileTree":{"solution/2500-2599/2534. , only nodes themselves may be changed. hackerrank problems leetcode-solutions problem-solving problem-set lightoj-solutions lightoj toph-solution dimikoj dimikoj-all-problem-solution beecrowd-solutions Updated Oct 14, 2023; Python; laryferreira / APC Star 2. Count the Number of Good SubarraysCan you solve this real interview question? Find Pivot Index - Given an array of integers nums, calculate the pivot index of this array. Return the max sliding window. r/leetcode. Intuit 53 Morgan Stanley 31 Lyft 21 Nutanix 24 Flipkart 55 Square 25 tcs 42 Capital One 16 MathWorks 26 Expedia 65 SAP 19 Akuna Capital 22 Affirm 8 Coupang 14 Dropbox 25 Intel 21 Arista Networks 17 Rubrik 20 Zoho 31 Pure Storage. 2534. Pick a topic and solve problems with that. md. Better than official and forum solutions. The final sorted array should not be returned by the function, but instead be stored inside. Spencer Platt/Getty Images. TinyURL is a URL shortening service where you enter a URL such as. 6. 复杂度分析 ; 时间复杂度：$O(N)$ ; 空间复杂度：$O(N)$ 单调栈（Accepted） 思路 . Example 1: Input: head = [1,2,6,3,4,5,6], val = 6 Output: [1,2,3,4,5] Example 2: Input: head = [], val = 1 Output: [] Example 3: Input: head = [7,7,7,7], val = 7 Output: [] Constraints: The number of nodes in the list is in the range. Subarray Sum Equals K. Our platform offers a range of essential problems for practice, as well as the latest questions being asked by top-tier companies. Integers - Three Distinct Digits. Solutions (435) Submissions. Difference Between Element Sum and Digit Sum of an Array 2536. Our platform offers a range of essential problems for practice, as well as the latest questions being asked by top-tier companies. Pick One. You must write an algorithm that runs in O(n) time and without using the division operation. Can you solve this real interview question? Rotate Array - Given an integer array nums, rotate the array to the right by k steps, where k is non-negative. Online coding platforms for professionals | Founded in the heart of Silicon Valley in 2015, LeetCode consists of an elite and entrepreneurial team with. Two Sum. Photo by ThisisEngineering RAEng on Unsplash. No views 3 minutes ago. ) This repository contains solutions for problems hosted at Skillrack & LeetCode. A phrase is a palindrome if, after converting all uppercase letters into lowercase letters and removing all non-alphanumeric characters, it reads the same forward and backward. Shortest Bridge - You are given an n x n binary matrix grid where 1 represents land and 0 represents water. Group By - Write code that enhances all arrays such that you can call the array. Got it. A chunk is either. Use the first appearance of all 26 lowercase English letters in key as the order of the substitution table. Solutions (11K). Time Taken to Cross the Door 2535. Maximum Score From Removing Substrings 1718. Level up your coding skills and quickly land a job. ChatGPT is an AI-powered chatbot that can. Given two strings needle and haystack, return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. You are given a 0-indexed array of integers nums of length n. " GitHub is where people build software. My LeetCode solutions. Longest Substring with at most K Distinct Characters. leetcode::longest_happy_string::Solution类 参考. Arr [mid] >= target, so we recurse on the left half by setting right = mid. ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo":{"overridingGlobalFundingFile":false,"globalPreferredFundingPath":"/doocs/. Given an integer array nums, return an array answer such that answer[i] is equal to the product of all the elements of nums except nums[i]. In this article we'll solve Leetcode array problems in one line using one of Python's most interesting features – List Comprehension. Timer embedded inside leetcode page. The sum of the selected elements from nums1 multiplied with the minimum of the selected elements from nums2. md","path":"solution/2500-2599/. The LeetCode API is an interface that allows developers to access LeetCode's problem set and user data programmatically. Increment Submatrices by OneWhat is Matplotlib. If the index is on the left edge of the array, then the left sum is 0. You are given two 0-indexed integer arrays nums1 and nums2 of equal length n and a positive integer k. Palindrome Partitioning II. . We have n cities labeled from 1 to n. Description. 2534. If you have used it successfully, you can get up to 60% OFF. idea","path":". TinyURL is a URL shortening service where you enter a URL such as. 1700 to 1900 OR can do 1-2 mediums within 90 min with some bugs: probably below average, unlikely to get an offer, but possible with some luck or if you do well on system design/behavioral. 4. ; Note that:. Example 2: Input: nums = [4,3,6], numsDivide = [8,2,6,10] Output: -1 Explanation: We want the. Viewed 328 times 0 I am looking at a solution for 234. Example 2: Input: nums = [1] Output: 1 Explanation: The subarray [1] has the largest sum 1. pyplot is an interface to matplotlib to provide easier syntax for plotting. Our platform offers a range of essential problems for practice, as well as the latest questions being asked by top-tier companies. 00000 Explanation: merged array = [1,2,3] and median is 2. Given an expression such as expression = "e + 8 - a + 5" and an evaluation map such as {"e": 1} (given in terms of evalvars = ["e"] and evalints = [1]), return a list of tokens representing the simplified expression, such as ["-1*a","14"]. The test cases are generated such that the output values fit in a 32-bit integer and. 0 <= i, j, k, l < n; nums1[i] + nums2[j. It’s also a talent scout platform where companies roam to. Implement a first in first out (FIFO) queue using only two stacks. We use 2 deletions to delete the elements in nums that are equal to 2 which makes nums = [3,4,3]. Given an integer array nums, return all the triplets [nums[i], nums[j], nums[k]] such that i != j, i != k, and j != k, and nums[i] + nums[j] + nums[k] == 0. int get(int key) Return the value of the key if the key exists, otherwise return -1. Each person can enter or exit through the door once, taking one. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. the implementation of a tree reversal in two lines of code ). Example 1:{"payload":{"allShortcutsEnabled":false,"fileTree":{"solution/2500-2599/2534. Can you solve this real interview question? Sliding Window Maximum - You are given an array of integers nums, there is a sliding window of size k which is moving from the very left of the array to the very right. Construct the Lexicographically Largest Valid Sequence 1719. val == val, and return the new head. If you want to use the doubly linked list, you will need one more attribute prev to indicate the previous node. Now, with their Premium offering, you can access exclusive features like additional practice questions, company-specific coding challenges, and in-depth solutions – all designed to make your preparation more. Example 1: Input: root = [1,2,3,null,5] Output: ["1->2->5","1->3"] Example 2: Input: root = [1] Output: ["1"] Constraints: The number of nodes in the tree is in the range [1, 100]. 2534. Note that ^ denotes the bitwise-xor operation. md","path":"leetcode/100_same_tree. binit_gajera. This is the best place to expand your knowledge and get prepared for your next interview. Earning badges can always be a push and act as a motivating factor to solve problems and be consistent. Coding practiceLeetCode is looking for a creative and motivated individual with a passion for computer science and online education. We define a harmonious array as an array where the difference between its maximum value and its minimum value is exactly 1. In the face of tight and limited job preparation time, this set of selected high-frequency interview problems can help you improve efficiently and greatly increase the possibility of obtaining. Otherwise, return false. Unfortunately, starting from May 2023 GitHub introduced a breaking change to further reduce the rendered blob size. {"payload":{"allShortcutsEnabled":false,"fileTree":{"leetcode":{"items":[{"name":"100_same_tree. LeetCode has over 1,900 questions for you to practice, covering many different programming concepts. I solve the problems regularly and upload the code solution along with some write up on medium for. ubnnp.