Tag: leetcode

The front end

[lufei]_ brush leetcode 968 together. Monitor binary tree

January 29, 2024

by Nayantara Devan

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Hello, everyone, I am the beaten Amumu, love algorithm front-end fish old. Recently, I will frequently share with you my thoughts and experiences in the...

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The front end

[luffie]_leetcode-103- Binary tree serrated sequence traversal

January 29, 2024

by Katie Grant

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Given a binary tree, return a zigzag sequence traversal of its node values. (that is, the next layer is traversed from left to right, then...

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The front end

– 3. The oldest string without repeating characters

January 29, 2024

by Kathleen Malone

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Given a string s, find the length of the smallest string that does not contain repeating characters. Input: s = "abcabcbb" Output: 3 Explanation: Since...

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The front end

[Luffy]_leetcode-373- Find and the smallest k-pair number

January 29, 2024

by Clive Elliott

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Given two ascending integers nums1 and ****nums2 **** and an integer k **** Define a pair of values (u,v) where the first element comes from...

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The back-end

Check if two strings are nearly equal

January 29, 2024

by James Brown

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This is the 13th day of my participation in the Gwen Challenge in November. Please check the details: the last Gwen Challenge in 2021 5910....

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The front end

Leetcode 318. Maximum word length product

January 29, 2024

by Jill Singh

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Leetcode 318. Maximum word length product 1. Update return value

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reading

HashMap extension ConcurrentHashMap LinkedHashMap

January 29, 2024

by Neil Evans

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HASHMAP extension reading EffectiveJava slightly summary HashMap:http://www.jianshu.com/p/24c10ce29c85 before writing this reason: see the gray about HASHMAP

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The front end

[Luffy]_leetcode- Finger Offer 32-II – Print binary tree II from top to bottom

January 29, 2024

by Sumer Goyal

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Print the binary tree layer by layer from top to bottom. The nodes of the same layer are printed from left to right, and each...

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The front end

[lufei]_ programmer must brush force deduction: 112. Path sum

January 29, 2024

by Mary Ward-MacPherson

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112. The path sum is given to the root node of the binary tree and an integer targetSum representing the sum of the targets. Determine...

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The front end

[luffie]_leetcode-107- Binary tree sequence traversal II

January 29, 2024

by Alisha Srivastava

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Given a binary tree, return a bottom-up traversal of its node values. For example: given a binary tree [3,9,20,null,null,15,

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The code of life

Sword refers to Offer 52. The first common node of two linked lists

January 29, 2024

by Debra Atkinson

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Enter two linked lists and find their first common node. The two linked lists begin to intersect at node C1. Enter two linked lists and...

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The back-end

2025. Maximum number of ways to split an array

January 29, 2024

by Melissa Pratt

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This is the 12th day of my participation in the November Gwen Challenge. See the details of the event: 2021 Last Gwen Challenge 2025. The...

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The front end

[LeetCode]83_ Remove duplicate elements from sorted linked lists

January 29, 2024

by 賈淑貞

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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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The front end

[LeetCode]641_ Design looping double-ended queue

January 29, 2024

by 賈淑貞

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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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The front end

[LeetCode]622_ Design loop queue

January 29, 2024

by Claudia Chapman

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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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The front end

[Luffy]_leetcode-24- Switch nodes in the linked list in pairs

January 29, 2024

by 楊志宏

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Given a linked list, swap adjacent nodes in pairs and return the switched linked list. You can't just change the value inside the node

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The front end

[luffie] _leetcode-589-n [luffie] _leetcode-589-n

January 29, 2024

by Garrett Marks

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Given an n-tree, return a sequential traversal of its node values. The n-fork tree is serialized in the input as a sequential traversal, with each...

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The front end

[Luffy]_leetcode-968- Monitor binary tree

January 29, 2024

by Debra Sampson

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Given a binary tree, we install cameras on the nodes of the tree. Each photography header on a node can monitor its parent, itself, and...

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The front end

[LeetCode]1670_ Design front, middle and back queues

January 29, 2024

by Ritvik Lad

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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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The front end

[luffy]_leetcode-25-K groups of flipped lists

January 29, 2024

by Shlok Chandra

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[topic address] [B station address] Give you a linked list, each K nodes in a group to flip, please return to the flipped linked list....

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The front end

[luffy]_leetcode- Finger Offer 54- The k-th large node in the binary search tree

January 29, 2024

by 葛雅琪

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Given a binary search tree, find the KTH largest node. Example 1: Example 2: Limit: 1 ≤ K ≤ Number of binary search tree elements...

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The front end

Queen II difficult problem with the highest pass rate in Leetcode

January 29, 2024

by Jeffrey Warren

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The queen's way of walking is: can walk horizontally and diagonally, the number of grids is not limited. So asking queens not to attack each...

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The front end

[luffie]_leetcode-144- Binary tree preorder traversal – iterative algorithm

January 29, 2024

by Jeffery Mitchell

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[B] give you the root node of the binary tree, return the preceding value of its node ** traversal. Example 1: Example 2: Example 3:...

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The back-end

35. Search for insert location (2021/12/13)

January 29, 2024

by Mannat Mane

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Given a sorted array and a target value, find the target value in the array and return its index. If the target value does not...

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The front end

[Luffy] _Leetcode interview question 17.20

January 29, 2024

by Shane Stewart

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17.20. Consecutive median randomly generates a number and passes it to a method. Can you do this by looking for the median of all current...

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The back-end

[Zilliz special] To buckle the 271 weekly match rematch

January 29, 2024

by Melissa Wong

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Hello, I am Xiao Huang, a Java development engineer of Unicorn Enterprise. Thank you for meeting us in the vast sea of people. As the...

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The front end

[luffy]_leetcode-662- Maximum width of binary tree

January 29, 2024

by Patricia Meyer

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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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The front end

[Luffy]_leetcode-24- Switch nodes in the linked list in pairs

January 29, 2024

by Aaryahi Babu

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The first node in the list is head and a specific value is x. Please separate the list so that all nodes less than x...

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ios

LeetCode – #7 inverts integers

January 29, 2024

by Sienna Hart

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Our community will continue to grow Yi Gu (Netflix growth hacker, "iOS interview" author, ACE professional fitness coach. Swift algorithm solution sorted into text version...

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The front end

LeetCode 2 Add Two Numbers (Tag:Linked List Difficulty:Medium)

January 29, 2024

by Seher Andra

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This is the 13th day of my participation in the Last Text Challenge in November. The details of the activity are as follows: The introduction...

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