Tag: leetcode

The front end

【 algorithm refinement – array 】 LeetCode13. Sum of three numbers (js)

February 6, 2024

by Jonathan Harris-Watts

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https://leetcode-cn.com/problems/3sum/ Give you an array of n integers, nums, and determine if there are three elements in nums, a, B, and C, that make a

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The front end

The number of the number 1

February 6, 2024

by Kenneth Bruce

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Given an integer n, count the number of occurrences of the number 1 in all non-negative integers less than or equal to n. As soon...

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The back-end

Parallel Courses III (Python)

February 6, 2024

by Kanav Sen

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Leetcode 2050. Parallel Courses III (Python) uses BFS to traverse course solutions

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The back-end

【C/C++】420. Strong password checker

February 6, 2024

by Nicholas Blake

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Make writing a habit together! This is the second day of my participation in the "Gold Digging Day New Plan · April More text challenge"....

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The back-end

762. In binary representation, the prime number is computed as bit

February 6, 2024

by Devansh Subramaniam

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[TOC] Make writing a habit together! This is the fifth day of my participation in the "Gold Digging Day New Plan · April More text...

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The code of life

LeetCode 287 games a week to train your reverse thinking

February 6, 2024

by Jennifer Mitchell

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Hello everyone, Rigongyi pawn, I am Liang Tang. Today is Monday, as usual, let's watch yesterday morning's LeetCode week. This competition is sponsored by Horizon...

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The back-end

How do I learn about data structures and algorithms?

February 6, 2024

by Alexis Lewis

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The importance of data structures and algorithms is self-evident to a programmer. This article is not here to persuade you to learn data structures and...

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The code of life

LeetCode – #59 Spiral matrix II

February 6, 2024

by Lance Rivas

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Our community will continue to include Yi Gu (Netflix growth hacker, author of The Way to Interview for iOS, ACE professional fitness coach). the

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The back-end

Leetcode 923.3sum With Multiplicity (Python)

February 6, 2024

by Kimberly Houston

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There are three kinds of permutation and combination scenarios, and the calculation method for each scenario is different

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The front end

Day 71: Palindromes

February 6, 2024

by Steven Ferrell

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Given an integer x, return true if x is a palindrome integer; Otherwise, return false. Palindromes are integers that read in positive (left to right)...

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The back-end

Red color with white Plates (python)

February 6, 2024

by Deborah Smith

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The Plates Between different colors (Python) using vector machine ideas and prefix and idea solution

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The back-end

Leetcode 2056. Number of Valid Move Combinations On Chessboard (Python)

February 6, 2024

by Ivana Saha

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Leetcode 2056. Number of Valid Move Combinations On Chessboard (Python) Use Bit Mask and DFS ideas to solve this problem

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The front end

Day 70: The longest increasing subsequence

February 6, 2024

by 徐馨儀

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Given an integer array nums, find the length of the longest strictly increasing subsequence. A subsequence is a sequence derived from an array that deletes...

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The front end

75. Color classification

February 6, 2024

by Aarna Swamy

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The problem is given an array of n elements in red, white, and blue

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The back-end

Leetcode 344. Reverse String (Python)

February 6, 2024

by Kevin Arroyo

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Eazy = Eazy = Eazy = Eazy = Eazy = Eazy = Eazy = Eazy

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The back-end

Offer 53-II. 0 ~ n-1

February 6, 2024

by Kathleen Malone

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Make writing a habit together! This is the second day of my participation in the "Gold Digging Day New Plan · April More text challenge"....

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The front end

The longest public prefix is the longest public prefix

February 6, 2024

by 蔡馨儀

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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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The front end

LeetCode Exploration (45) : 553- Optimal Division

February 6, 2024

by 楊佳慧

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Given a set of positive integers, floating point division will be performed between adjacent integers. You can add as many parentheses as you want to...

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The front end

Day 68: Valid brackets

February 6, 2024

by Jessica Morales

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Given a only include a '(',') ', '{','} ', '/', ' 'the string s, determine whether a string is effective.

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The back-end

954. A diploid pair array

February 6, 2024

by Jhanvi Loke

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Make writing a habit together! This is my first day to participate in the "Gold Digging Day New Plan · April More text challenge", click...

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The front end

3. The largest string without repeating characters [medium]

February 6, 2024

by Biju Acharya

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Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit Punch card activity. Click here for details. Given a string...

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The front end

Find all K nearest neighbor subscripts in the array

February 6, 2024

by Tammy Hood

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Find all k-nearest subscripts in the array give you an array of integers with subscripts starting at 0 nums and two integers key and K....

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The back-end

Delete the last NTH node from the linked list

February 6, 2024

by Megan Hernandez

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Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit Punch card activity. Click here for details. Delete the NTH...

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The back-end

Leetcode 2218. Maximum Value of K Coins From Piles (Python)

February 6, 2024

by Christopher Decker

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This is the fourth question in the 286 session of the week. The difficulty is Hard. It mainly examines dynamic programming and also combines the...

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The back-end

Delete the NTH node from the list

February 6, 2024

by Rachel Barnes

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Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit Punch card activity. Click here for details. 【 答 案...

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The front end

JS algorithm the longest non-repeating character substring

February 6, 2024

by Stephen Swanson

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Please find the longest substring that does not contain repeated characters and calculate the length of the longest substring. Example 1: Example 2:

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The back-end

Leetcode 1663. String With A Given Numeric Value (Python)

February 6, 2024

by Luke Blick

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This question is a comprehensive examination of students' ability to solve the problem, combining dictionary order, string splicing, greed and other aspects. It is interesting...

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The front end

Day 67: The oldest string without repeating characters

February 6, 2024

by Yakshit Saha

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Given a string s, find the length of the smallest string that does not contain repeating characters. So to get this problem, let's first identify...

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The front end

874. Simulation of walking robot [Medium]

February 6, 2024

by William Forrest

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Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit Punch card activity. Click here for details. The robot walks...

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The front end

5. Longest loop substring [medium]

February 6, 2024

by Amy Broughan

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Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit Punch card activity. Click here for details. Given a string...

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