2. Add Two Numbers(Medium)
You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order And each of their n...
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Tag: leetcode
911. Online voting: dichotomous application
January 29, 2024
by Jocelyn Morris
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This is 911 on LeetCode. The online election is medium difficulty. Tag: "binary" gives you two integer arrays $persons$and $times$. In an election, the first...
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LeetCode – #2 Add Two Numbers
January 29, 2024
by 李佩珊
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From this issue, our community will organize gu Yi's Swift algorithm problem solving into text version for the convenience of learning and reading
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LeetCode – #4 Finds the middle value of two ordered arrays
January 29, 2024
by Mr. Matthew Evans
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Our community will continue to gu Yi (microblog :@ Guyin Daochang) Swift algorithm problem solving sorted into text version for the convenience of everyone to...
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LeetCode-23. Merge k Sorted Lists
January 29, 2024
by Dr. Roy Jones
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23. Merge k Sorted Lists
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Swift Weekly Issue 8
January 29, 2024
by Julie Best
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Preface In the 199 issue of Swift weekly, director Kristaps Grinbergs extends an invitation to all readers
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LeetCode 160 Intersection of Two Linked Lists
January 28, 2024
by Deborah Smith
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Write a program to find the intersecting nodes at the beginning of two single-linked lists. ** If two lists are not crossed, null is returned....
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LeetCode – #3 The longest unrepeated substring
January 28, 2024
by Yashvi Karan
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From this issue, our community will organize gu Yi's Swift algorithm problem solving into text version for everyone to learn and read
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[Luffy]_leetcode- Interview 02.08- Loop detection
January 28, 2024
by 白詩涵
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Given a linked list, if it is a circular list, implement an algorithm to return the beginning node of the loop. If the ring does...
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My JS algorithm climb the pit tour – lemonade change
January 28, 2024
by Aarna Swamy
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Sixty-four days: force buckle 860, lemonade change zero address: https://leetcode-cn.com/problems/lemonade-change/ idea: greedy, or violence, is a fool algorithm. A question that doesn't make much sense....
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[Luffy]_leetcode- Reference to Offer 18- Drop list node
January 28, 2024
by Christopher Hancock
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Given the head pointer and the value of a node to be deleted, define a function to delete the node. Returns the head node of...
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[luffy] _leetCode 226. Sequential traversal of binary trees
January 28, 2024
by Aarna Swamy
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Flipping a binary tree Flipping a binary tree. Example: Input: Output: Ask the question What is a flipped binary tree? How to implement flipped binary...
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[luffy] _leetCode 859. Lemonade change
January 28, 2024
by Melissa Evans
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Given two strings s and goal, return true as long as we can get the same result as goal by swapping two letters in S;...
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[lufy]_leetcode 662
January 28, 2024
by 蘇佳玲
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Given a binary tree, write a function to get the maximum width of the tree. The width of the tree is the maximum width of...
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859. Intimate Strings: Simple string simulation
January 28, 2024
by 孟雅琪
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"This is the 23rd 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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63. Different Paths II(Java)
January 28, 2024
by James Berg
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63. Different paths II A robot is located in the upper left corner of an M x N grid (the starting point is marked as...
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[luffy]_leetcode 547
January 28, 2024
by Ryan Lopez
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There are n cities, some of which are connected to each other and some of which are not. If city A is directly connected to...
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Leetcode.682 baseball game
January 28, 2024
by 寧靜怡
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You are the recorder of a special baseball game. This match is made up of a number of rounds, and points scored in past rounds...
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LeetCode-122. The best time to Buy and sell stocks II
January 28, 2024
by Cassandra Gallagher
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122. The best time to Buy and sell stocks II
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LeetCode122. The best time to Buy and sell stocks II
January 28, 2024
by Ryan Lopez
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They say you can trade an infinite number of times. And because, for a scheme that buys on day I and sells on day J,...
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Leetcode refers to the JavaScript version of Offer 54. The KTH large node of the binary search tree
January 28, 2024
by Prisha Dugar
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Given a binary search tree, find the KTH largest node in it. Example 1: Example 2: Limit: 1 ≤ K ≤ Binary search tree elements
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682. Baseball game
January 28, 2024
by Aaron Cox
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682. The Baseball Game You are now the recorder of a special baseball game. This match is made up of a number of rounds, and...
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[luffy]_leetcode 636. Function exclusive time JavaScript version
January 28, 2024
by 範淑玲
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A single-threaded CPU is running a program containing n functions. Each function has a unique identifier between 0 and n-1. Function calls are stored in...
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[luffy]_leetcode 110
January 28, 2024
by Adriana Montes
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Given a binary tree, determine whether it is a highly balanced binary tree. In this case, a highly balanced binary tree is defined as: the...
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LeetCode: 121. The best time to buy and sell stocks, Violent method, JavaScript, detailed comments
January 28, 2024
by 熊雅涵
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When you encounter the price of day I, you just need to consider the profit generated by trading with all subsequent prices and take the...
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[luffy]_leetcode703. The k-th element in the data stream
January 28, 2024
by Meghan Gonzales
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Design a class that finds the KTH element in a data stream. Notice it's the KTH largest element, not the KTH different element. Please implement...
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[Luffy]_ Programmer must brush force subtitle: interview question 03.04
January 28, 2024
by Nigel Booth
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Implement a MyQueue class that uses two stacks to implement a queue. Example: Note: You can only use standard stack operations -- that is, just...
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188. The best time to buy and sell stocks
January 28, 2024
by Ashley Perry-Small
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Given an array of integers prices, its ith element prices[I] is the price of a given stock on day I. Design an algorithm to calculate...
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Basic Calculator II JavaScript version
January 28, 2024
by Clive Elliott
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You are given a string expression, s. Implement a basic calculator to evaluate and return its value. Integer division preserves only integer parts. Example 1:...
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Day60 The best time to buy and sell stocks II
January 28, 2024
by Lorraine Skinner
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Given an array, its ith element is the price of a given stock on the ith day. Design an algorithm to calculate the maximum profit...
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