Algorithms: The Game of Life
The Game of Life, or Life for short, is a cellular automaton invented by British mathematician John Holden Conway in 1970. Given a panel of...
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Tag: leetcode
Copy linked lists with random Pointers
January 25, 2024
by Laura Lowery
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Copy the linked list force link with random pointer to give you a linked list of length N, each node contains an additional random pointer,...
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The longest common subsequence
January 25, 2024
by Nitya Raval
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Given two strings text1 and text2, return the length of the longest common subsequence of the two strings. If you don't save
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[Golang-leetcode] maximum subsequence and –
January 25, 2024
by Kathryn Paterson-Murphy
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Given an integer array 'nums', find a contiguous subarray with the maximum sum (the subarray contains at least one element) and return the maximum sum.
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Leetcode_388 Maximum absolute path to file
January 25, 2024
by Yashvi Tella
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Assume that you have a file system that stores both files and directories. The following figure shows an example of a file system: dir is...
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Algorithm: Compares version numbers
January 25, 2024
by Patricia Randolph
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"This is the 20th day of my participation in the November Revision Challenge. For details, see: The Last Revision Challenge 2021." The revision number consists...
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The DFS approach to binary Tree Interviews in 10 hours (Python)
January 25, 2024
by Michelle Ramos
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Data engineers are used to python, while data structures are typically c++ or Java. This causes a lot of friends are not used to it....
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Leetcode_492 constructs the rectangle
January 25, 2024
by Jessica Wood
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As a Web developer, it is important to know how to size a page. Given a specific rectangular page area, your task is to design...
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LeetCode.412 Fizz Buzz
January 25, 2024
by Sarah Carter
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Answer [I] == "FizzBuzz" if I == "FizzBuzz
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Leetcode 1249. Remove invalid parentheses from JavaScript version
January 25, 2024
by Shannon Newton-Mason
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The JavaScript version of the problem gives you a string s made up of '(', ')' and lowercase letters. You need to remove the smallest...
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LeetCode advanced 1086-Hash thought
January 25, 2024
by Melissa Evans
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This paper mainly introduces question 1086 in LeetCode. The material of this paper mainly comes from the daily habit of sorting out records of brushing...
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594. Longest concordant subsequence: “sliding window” & “Hash Count”
January 25, 2024
by Anya Dass
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"This is the 20th day of my participation in the November Gwen Challenge. See details of the event: The Last Gwen Challenge 2021". This is...
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We understand 8 queens and backtracking algorithms
January 25, 2024
by Catherine Wells
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How many different positions can there be on an 8×8 chess board with eight queens, and no two queens can be in the same row,...
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Leetcode-113 – Sum of paths II
January 25, 2024
by Lucas Shepherd
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LeetCode-113- Path sum II, gives you the root node of the binary tree root and an integer target and targetSum, finds all...
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LeetCode Advanced 1025- Dynamic programming
January 25, 2024
by Deborah Smith
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1025. Divisor Game Alice and Bob take turns playing a game, with Alice starting first. Initially, There is a number N on the chalkboard. On...
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Learn an algorithm, have threefold realm
January 25, 2024
by Shlok Sridhar
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💖 The algorithmic world is not perfect. There are not only classical algorithms, but also up-and-coming genetic algorithms and deep learning algorithms. There are many...
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Construct Binary Tree from Preorder and Postorder Traversal (Python)
January 25, 2024
by Madeline Brooks
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Construct Binary Tree from Preorder and Postorder Traversal (Python
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1. The sum of two numbers
January 25, 2024
by 張婷婷
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Given an array of integers (nums) and an integer target value (target), find the two values (target) in the array
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Leetcode_326 3 power
January 25, 2024
by Patricia Taylor
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Given an integer, write a function to determine whether it is a power of 3. If so, return true; Otherwise, return false. The integer n...
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Check If a String Can Break Another String (Python)
January 25, 2024
by David Gonzalez
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Leetcode 1433. Check If a String Can Break Another String (Python
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Leetcode_394 Decodes the string
January 25, 2024
by Amber Maldonado
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Given an encoded string, return its decoded string. The encoding rule is k[encoded_string], indicating that the encoded_string inside the square brackets is repeated exactly K...
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88. Merge two ordered arrays
January 25, 2024
by Garrett Marks
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You are given two arrays of integers in non-decreasing order, nums1 and nums2, and two integers, m and n, representing nums
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407. Catching Rain II: Classic Dijkstra exercises
January 25, 2024
by Karen Roman
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"This is the third day of my participation in the November Gwen Challenge. See details of the event: The last Gwen Challenge 2021". This is...
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LeetCode — Merge two ordered arrays (double Pointers)
January 25, 2024
by Keith Fletcher
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First, use the splice method to remove irrelevant elements after nums1 and nums2. If either of them is an empty array, it is pushed directly...
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LeetCode. 383 ransom letter
January 25, 2024
by Nayantara Devan
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In order not to expose handwriting in the ransom letter, search the magazine for the letters needed to form words to express the meaning. Give...
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Binary tree brush inscription (the k-th large node of six-binary search tree)
January 25, 2024
by Stephen Shepard
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This is the seventh day that I participate in the more text challenge in November, 2021 last more text challenge preface updated to the seventh...
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Leetcode – Greedy (JS implementation)
January 25, 2024
by Madeline Brooks
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55. The jumping game is given an array of non-negative integers, nums, and you start at the first index of the array. Each element in...
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Leetcode 20. Valid parentheses JavaScript version
January 25, 2024
by Amanda Ochoa
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Given a string s containing only '(', ')', '{', '}', '[', ']', determine whether the string is valid. A valid string must meet the following...
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Leetcode.374 guess the size of the number
January 25, 2024
by Vanessa Copeland
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The rules of the number guessing game are as follows: In each round, I choose a random number from 1 to N. Guess which number...
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Leetcode_400 NTH digit
January 25, 2024
by 高靜宜
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Ask to give you an integer N, ask you in an infinite sequence of integers [1, 2, 3, 4, 5, 6, 7, 8, 9, 10,...
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