[Luffy]_leetcode- Offer 40- minimum number of k
Enter the integer array arr to find the smallest k number. For example, if you enter 4, 5, 1, 6, 2, 7, 3, and 8,...
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Tag: leetcode
【Leetcode】1047. Delete all adjacent duplicates in a string
January 31, 2024
by Dr. Nicholas Gonzalez
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Given the string S consisting of lowercase letters, the deduplication operation selects two adjacent and identical letters and deletes them. The deduplication operation is repeated...
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[Luffy]_LeetCode problem 1021 Delete the outermost brackets
January 31, 2024
by Inaaya Kapoor
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Description Valid parenthesis strings are empty "", "(" + A + ")", or A + B, where A and B are valid parenthesis strings and...
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[Luffy] _leetCode_990. Satisfiability of equality equation
January 31, 2024
by Miranda Chen
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Given an array of string equations representing relationships between variables, each equation [I] is of length 4 and takes one of two different forms: "A...
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Sword finger Offer 42. Maximum sum of contiguous subarrays
January 31, 2024
by 高靜宜
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Enter an array of integers. One or more integers form a subarray. Find the maximum sum of all subarrays. The time complexity is O(n).
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[Luffy]_leetcode-21- Merges two ordered lists
January 31, 2024
by Yashvi Karan
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This is the first day of my participation in the November update Challenge, for details: 2021 Last Update Challenge "[topic address] [B station address] merge...
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[Luffy]_leetcode-355- Design twitter
January 31, 2024
by Chad Fuller
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[B] Design a simplified version of Twitter (Twitter), can allow users to send tweets, follow/unfollow other users, can see the following people (including their own)...
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[Luffy]_leetcode-226- Flip binary tree
January 31, 2024
by Aaron Cox
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This is the second day of my participation in the November Gwen Challenge. For details, see: the last Gwen Challenge 2021. Example: Input: Output: Let's...
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[Luffie]_leetcode- Interview question 02.02- Return the last KTH node
January 31, 2024
by Trevor Clark
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Implement an algorithm to find the last KTH node in a one-way linked list. Returns the value of this object. Note: Some changes have been...
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The substructure of a tree
January 31, 2024
by Stanley Watson
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If A or B is empty, return false; if A or B is empty, return false. Recursively in A tree to find whether B tree...
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[luffy]_leetcode refers to the substructure of Offer 26
January 31, 2024
by Dr. Carol Jones
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Enter two binary trees A and B to determine whether B is A substructure of A. (Empty tree is not A substructure of any tree)...
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Leetcode 1670 — Design the front, middle and back queue
January 31, 2024
by Reyansh Kaur
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In fact, JavaScript array emulation is very simple, because JavaScript arrays themselves support front, middle and back operations. You can do it with one array,...
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【 algorithm Exercise 31】81. Remove duplicate node — hash table
January 31, 2024
by 高靜宜
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O recommend! Hello, everyone. I'm One. Confused algorithm, rare confused summed up the algorithm brush topic 12 words truth: in persistence, difficult in progress, win...
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[Luffy]_LeetCode problem 86 Separated linked lists
January 31, 2024
by Samantha Rice
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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 1463. Cherry Pickup II (Python)
January 31, 2024
by Claudia Chapman
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Leetcode 1463. Cherry Pickup II (Python) uses dynamic programming to solve problems in three ways
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Escape from the Maze: BFS + The maximum area that can be enclosed by a given obstacle
January 31, 2024
by 李依婷
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This is 1036 on LeetCode. Escape from the big maze. In a $10^6$x $10^6$grid, the coordinates of each square on the grid are $(x,
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[Luffy]_LeetCode题143 Rearrange the linked list
January 31, 2024
by 李馨儀
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Description Given a head node of singly linked list L, singly linked list L is expressed as L0 → L1 →... → ln-1 → Ln...
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[luffy]_leetcode [1202]. Swap elements in strings
January 31, 2024
by 李龍
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Swapping elements in a string gives you a string s and an array of "index pairs" in that string, pairs[I] = [a, b] representing two...
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[Luffy]_leetcode-1508- Sum of subarrays and sorted intervals
January 31, 2024
by Janice Walker
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[B] you are given an array nums containing n positive integers. You need to compute the sum of all non-empty continuous subarrays and sort them...
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Game 235 of the week
January 31, 2024
by Cheryl Harrison-White
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A sentence is a list of words separated by a single space, with no leading or trailing Spaces. Each word consists of only upper -...
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[LeetCode]86_ Separated list
January 31, 2024
by Callum Hussain
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Look a hundred times beauty, beauty is not necessarily yours. But you brush algorithm 100 times, knowledge is you ~~ who can nine layers of...
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Leetcode 1673. Find the Most Competitive Subsequence (Python)
January 31, 2024
by 彭家豪
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Leetcode 1673. Find the Most Competitive Subsequence (Python) monotone stack and Greedy Solution
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Remove the most stones from the same row or row
January 31, 2024
by Mrs. Sylvia Day
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Problem 947. Remove the most stones in a row or row n stones are placed at some integer coordinate points in a two-dimensional plane. There...
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Brush leetCode with JavaScript – Interview question 03.04. The stack for the team
January 31, 2024
by Ishita Batta
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- Use two stacks to simulate queue - push stack is used to simulate queue entry - POP stack is used to simulate queue exit...
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[Luffy]_leetcode- Sword finger Offer 51- Reverse pair in array
January 31, 2024
by Alice Murdoch-Nielsen
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Two digits in an array. If the first digit is larger than the second digit, the two digits form a reverse pair. Enter an array...
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Print leetCode 1249 in JavaScript – remove invalid parentheses
January 31, 2024
by Tracy Crosby MD
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The array.propTotype. splice method will change the length of the Array. Note my error here.
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[luffy]_leetcode_1249. Remove invalid brackets
January 31, 2024
by Chelsea Willis
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You are given a string s composed of '(', ')' and lowercase letters. You need to remove the minimum number of '(' or ')' (you...
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Leetcode 1081. A Subsequence of Distinct Characters (Python)
January 31, 2024
by Riaan Sachar
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Leetcode 1081. A sample Subsequence of Distinct Characters using a monotone stack
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131. Palindrome Partitioning (Python)
January 31, 2024
by Michael Hart
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Palindrome Partitioning (Python) Uses dynamic programming and DFS to solve problems
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leetcode 2030. Smallest K-Length Subsequence With Occurrences of a Letter
January 31, 2024
by Todd Garcia
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Leetcode 2030. DLL k-length Subsequence With Occurrences of a Letter (Python
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