Leetcode 1094. Car Pooling (python)
Car Pooling (python) leetcode 1094. Car Pooling (python
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Tag: leetcode
Leetcode 402. Remove K Digits (python)
January 31, 2024
by Joanna Andrew
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Leetcode 402. Remove K Digits (Python) Uses the idea of a monotonic stack to solve problems, requiring attention to various boundary conditions
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[Luffy]_leetcode-685- Redundant connection II
January 31, 2024
by Donna Holmes
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In this problem, a root tree is a directed graph that satisfies the following conditions. There is only one root node in the tree, and...
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[luffy] _leetCode_684. Redundant connection
January 31, 2024
by Reyansh Kaur
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684. A redundant connection tree can be thought of as an undirected graph that is connected and acyclic. Given the graph after adding an edge...
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[LeetCoding] 1185. Days of the week
January 31, 2024
by Trevor Clark
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LeetCode 1185. Day of the week gives you a date, please design an algorithm to determine which day of the week it corresponds to.
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D6 595. Big Countries
January 31, 2024
by 劉怡安
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595. Big Countries 595. Big Countries The name, population and area of a country with an area of more than 3 million square kilometers or...
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K points closest to the origin
January 31, 2024
by Dr. Owen James
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Title: 973. The sum of squares of K points closest to the origin is calculated by sort. Solution two uses a big heap
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[luffy]_leetcode [leetCode
January 31, 2024
by Kate Flood
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You are given a list with a head node and a specific value x. Separate the list so that all nodes less than x appear...
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Leetcode 703 – Design a loop queue
January 31, 2024
by Mary Ward-MacPherson
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A queue is a linear table with limited operations. It is characterized by first-in, first-out (FIFO). It only allows delete operations on the front end...
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[Luffy]_ programmer must be a force deduction: 445
January 31, 2024
by Bhamini Khalsa
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445. Adding two numbers II gives you two non-empty linked lists to represent two non-negative integers. The highest digit is at the beginning of the...
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[luffy]_leetcode-138- Copy list with random pointer
January 31, 2024
by 王惠如
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Each node contains an additional random pointer, random, which can point to any node or empty node in the list. Construct a deep copy of...
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Construct a binary tree by traversing preorder and middle order sequences
January 31, 2024
by Onkar Gour
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Construct a binary tree from preorder and middle-order traversal sequences given a tree preorder and middle-order traversal inorder. Construct a binary tree and return its...
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LeetCode973. K points closest to the origin
January 31, 2024
by Kiaan Bir
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We have a list of points that are points on the plane. We need to find K points that are closest to the origin (0,0)....
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LeetCode Algorithm Series (Week 1)
January 31, 2024
by Christine Ross
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[Algorithm Progress 213/400 ('▽']], continue to come on! Given an array of non-empty integers, each element appears twice except for one element. Find the element...
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Leetcode-206- Linked list inversion
January 31, 2024
by 李家瑋
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You are given the head node of a single linked list. Reverse the list and return the reversed list. Define a pre to point to...
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Force buckle: 49. Ugly number
January 31, 2024
by Melissa Jensen-Evans
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Ugly numbers are positive integers whose prime factors are only 2, 3, and 5. 1 is ugly number 1. The core is this sentence: ensure...
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[Luffy]_leetcode-725- Separated linked list
January 31, 2024
by James Moore
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Design an algorithm to divide the list into k contiguous parts. The lengths of each part should be as equal as possible: no two parts...
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Print leetCode problem 860 with JavaScript – Lemonade change
January 31, 2024
by 黃怡安
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Change is usually made by greedy algorithms. Local optimal is each change as far as possible to leave 5 yuan, local optimal results lead to...
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390. Elimination games: Joseph’s ring problems
January 31, 2024
by 孟雅琪
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Title description this is 390 on LeetCode. Elimination game, medium difficulty. Tag: "dynamic programming", "mathematics", "Joseph rings" list ARR consists of all integers in the...
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[Luffy] _leetCode – Interview question 02.04- Split linked list
January 31, 2024
by John Wright
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You are given a list of nodes head and a specific value **x. Separate the list so that all nodes less than x appear before...
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Leetcode 1010. Songs of Total Durations Divisible by 60 (Python)
January 31, 2024
by Sarah Green
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Leetcode 1010. Pairs of Songs With Total Durations Divisible by 60 (Python) The first method uses violence and the second method uses dictionary optimization calculations
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LeetCode — Maximum depth of binary tree (recursion + sequence traversal)
January 31, 2024
by Michael Brown
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) There are many ways to achieve the maximum depth of a binary tree, but what we want to do is to use a general...
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LeetCode 973. K points nearest the origin
January 31, 2024
by Zara Subramaniam
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We have a list of points that are points on the plane. I want to find K points that are closest to the origin (0,...
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222. Number of nodes in a complete binary tree
January 31, 2024
by Lisa Daniel
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Given the root node of a complete binary tree, find the number of nodes in the tree. A complete binary tree is defined as follows:...
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[Luffy]_leetcode-24- Switch nodes in the linked list in pairs
January 31, 2024
by Tara Kale
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You are given a linked list. Swap adjacent nodes in pairs and return the first node of the linked list. You must do this without...
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[Algorithm] search two-dimensional matrix violent solution & dichotomy 4 languages
January 31, 2024
by Madison Cairns-Stevenson
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Write an efficient algorithm to determine whether there is a target value in an M x n matrix. The matrix has the following properties: the...
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Javascript: 66. Add one
January 31, 2024
by Ashley Lopez
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Given a non-negative integer represented by a non-empty array of integers, add one to that number. The highest digit is stored at the beginning of...
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[Luffy]_leetcode _860. Lemonade change
January 31, 2024
by Amelia Jackson
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Question 860. Lemonade change At the lemonade stand, a glass of lemonade costs $5. Customers line up to buy your product, one cup at a...
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“LeetCode” JavaScript- Quicksort ⚡️
January 31, 2024
by Wendy Thomas-Wade
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Foreword 🌧️ algorithm, for front-end people unfamiliar and familiar, most of the time we do not as back-end engineers attach importance to this ability. But...
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LeetCode’s big sample statistics – how can I reduce my calculation time from 6 seconds to tens of milliseconds
January 31, 2024
by 文淑惠
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I was curious enough to try LeetCode, and sure enough, it was quite interesting. I chose a topic at random and thought it was quite...
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