26, Delete duplicates from an ordered array
Nums = nums = nums = nums = nums = nums = nums = nums Instead of using extra array space, you must modify the...
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Tag: leetcode
779. The KTH grammar symbol
January 28, 2024
by Arnav Dube
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LeetCode Tour for front End Engineers - Recursive problems explained
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Remove Nth Node From End of List
January 28, 2024
by Kismat Kant
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Given a linked list, delete the NTH last node of the list and return the first node of the list. Given a linked list: 1->2->3->4->5,...
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“Front brush question” 85. Maximum rectangle
January 28, 2024
by Thomas Smith
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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". Title link:...
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[Java multithreading][LeetCode]1114
January 28, 2024
by Katherine Walton
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Print sequentially that three different threads will share an instance of Foo. Design modifications to ensure that the two() method is executed after the one()...
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5. The longest subroutine string
January 28, 2024
by Annette Webster-Moss
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Given a string s, find the longest loop substring in S. Example Example 1: Input: s = "babad" Output: "bab" Explanation: "ABA" is also the...
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The longest anagram substring
January 28, 2024
by Josh Kelly
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This is the 22nd day of my November update Challenge. You are given a string s. Find the longest anagram substring in S. Example 1:...
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14 Longest Common prefix (Java)
January 28, 2024
by Tanya Krishnamurthy
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Write a function to find the longest public prefix in an array of strings. Returns the empty string "" if no public prefix exists. Iterate...
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[luffy]_leetcode-143- Rearrange the linked list
January 28, 2024
by Samuel Bary
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[topic address] [B station address] Given a single linked list L ** head node head, single linked list L is expressed as: please rearrange it...
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14. Longest public prefix [easy]
January 28, 2024
by 丁宗翰
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Write a function to find the longest public prefix in an array of strings. Returns the empty string "" if no public prefix exists. The...
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[Luffy]_leetcode-1021- Remove the outermost parentheses
January 28, 2024
by Ehsaan Yohannan
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[Topic address] [station B address] The valid parenthesis string is empty "", "(" + A + ")", or A + B, where A and B...
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Delete the outermost parentheses
January 28, 2024
by Jennifer Brown
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The valid parenthesis string is empty "", "(" + A + ")", or A + B, where A and B are both valid parenthesis strings...
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[Luffy]_leetcode-946- Verify stack sequence
January 28, 2024
by Leonard Walters
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Given two sequences of pushed and popped, the values in each sequence are not repeated, returning true only if they may be the result of...
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[Luffy]_leetcode- Sword finger offer- Copy complex linked list
January 28, 2024
by Sarah Green
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Please implement copyRandomList function to copy a complex linked list. In a complex linked list, each node has a next pointer to the next node...
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LeetCode – #5 finds the longest mirrored string
January 28, 2024
by 王惠如
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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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Jz11. The first common node of two linked lists
January 28, 2024
by 袁惠如
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Enter two linked lists and find their first common node.
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844. Compare backspace strings
January 28, 2024
by 尹哲瑋
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Given two strings s and T, determine if they are equal after they are entered into a blank text editor. # stands for backspace character....
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121. The best time to buy and sell stocks
January 28, 2024
by Leslie Harmon
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Description Given an array prices, its ith element prices[I] represents the price of a given stock on day I. You can only buy the stock...
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[Luffy]_leetcode-844- Compares strings with backspace
January 28, 2024
by Renee Koshy
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Given two strings, s and T, after they are entered into a blank text editor, determine whether they are equal. # stands for backspace character....
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[Luffy] _leetCode – Interview question 03.04- Turn stack into queue
January 27, 2024
by Jeremy Acevedo
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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, only...
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20210331 LeetCode 1 of the Day (stupid factorial)
January 27, 2024
by Ashley Perry-Small
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In general, the factorial of a positive integer n is the product of all positive integers less than or equal to n. For example, factorial(10)...
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Analysis and summary of LeetCode 312 Burst Balloons
January 27, 2024
by 楊冠霖
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LC 312. Burst Balloons Given n balloons, Indexed from 0 to N-1. Each balloon is painted with a number on it; represented by array NUMs....
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20210331 LeetCode Question of the Day (Subset II)
January 27, 2024
by William Mendoza
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Given an array of integers, nums, which may contain repeating elements, return all possible subsets (power sets) of that array. The solution set cannot contain...
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[Luffy]_leetcode-682- Baseball game
January 27, 2024
by Dr. Russell Brown
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You are now the recorder of a special baseball game. This match is made up of a number of rounds, and points scored in past...
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[Luffy]_leetcode-621- Task scheduler
January 27, 2024
by Matthew Brennan
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[Task] Gives you a list of tasks that the CPU needs to perform as a character array. Each letter represents a different kind of task....
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Leetcode 1537. Get the Maximum Score (python)
January 27, 2024
by Christina Webb-Murphy
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Leetcode 1537. Get the Maximum Score (Python
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LeetCode 232: Implement Queue Implement using Stacks
January 27, 2024
by 張詩涵
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Push (x) - Puts an element at the end of the queue. Pop () -- Removes the element from the head of the queue. Peek...
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🍧 Leetcode: Integer inversion
January 27, 2024
by John Gibb
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This is my 17th day of the November Text Challenge. The final text Challenge 1 in 2021 gives you a 32-bit signed integer x and...
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LRU cache – least recently used cache mechanism – JavaScript description – Map – Bidirectional linked list
January 27, 2024
by Abram Chad
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LRU caching mechanism. Using your knowledge of data structures, design and implement an LRU (least recently used) caching mechanism
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Inverse linked list – Iteration – Recursion
January 27, 2024
by Gary Ingram
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Today we're going to do a very classic and very high frequency problem, reverse linked lists. We're going to solve this problem recursively and non-recursively,...
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