393. Utf-8 encoding verification: bit operation simulation
Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit Punch card activity. Click here for details. This is a...
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Tag: leetcode
Finger offer – Duplicate number in array
February 5, 2024
by Catherine Wells
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The range in which all numbers in an array of length nums are in. Some numbers in the array are repeated, but we don't know...
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Xor sum of all subsets
February 5, 2024
by Leslie Allen
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The XOR sum of an array is defined as the result of bitwise XOR of all elements in the array; If the array is empty,...
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Utf-8 encoding verification
February 5, 2024
by Leigh Smith
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Given an array of integers representing data, return whether it is a valid UTF-8 encoding. A character in UTF-8 may be 1 in length
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Jz10. Merge two sorted lists
February 5, 2024
by Donald Coleman
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Input two monotonically increasing lists, output the combined list of two lists, of course, we need the combined list to meet the monotonic rule. //...
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Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit series of activities – swiping and punching tasks
February 5, 2024
by Dean Wright
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You are given two strings: ransomNote and magazine
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3. Duplicate number in array
February 5, 2024
by Graeme Pope
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Find the duplicate numbers in the array. All numbers in an array of length N, nums, are in the range 0 to n-1. Some numbers...
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Offer 56 – I. Number of occurrences of a number in the array
February 5, 2024
by Arhaan Setty
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An integer array nums contains two occurrences of all but two digits. Write a program to find these two numbers that appear only once. The...
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Merge two sorted linked lists
February 5, 2024
by 李鈺婷
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Categories: Merge two sorted lists input two recurrences. Categories: Merge two sorted lists input two recurrences
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2049. Count the number of nodes with the highest score: graph + DFS application
February 5, 2024
by 尹哲瑋
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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. This is 2049...
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The sword refers to Offer 50. The first character that appears only once
February 5, 2024
by Brent Cook-McMahon
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Find the first character in the string s that occurs only once. If not, a single space is returned. The s contains only lowercase letters....
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The depth of a binary tree
February 5, 2024
by Lindsay Benson
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Categories: Enter the root of a binary tree. Categories: Enter the root of a binary tree. Categories: Enter the root of a binary tree
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The Happiness Number (No.202)
February 5, 2024
by Oorja Bali
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Topic: Happiness number Example: Think: achieve:
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Leetcode 2193. Minimum Number of Moves to Make Palindrome (Python)
February 5, 2024
by 梁淑慧
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This is the fourth question in the Biweekly Contest 73. It focuses on the concept of palindrome and greedy algorithms.
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Sword finger Offer (copy of complex linked list)
February 5, 2024
by Jasmine Simmons
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In the first iteration, we first copy a normal linked list and maintain a map with the source node as the key and the new...
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Adjust the order of the array so that the odd number precedes the even number
February 5, 2024
by Neelofar Roy
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Categories: Date: 2022/01/24 Categories: Date: 2022/01/24 Categories: Date: 2022/01/24 Categories: Date: 2022/01/24 Categories: Number of odd numbers
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Daily practice (23) : The first character that appears only once
February 5, 2024
by Brittany Hampton
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Categories: Date: 2022/02/22 Categories: Date: 2022/02/22 Categories: Date: 2022/02/22 Categories: Date: 2022/02/22 Categories: Date: 2022/02/22 Categories: Date: 2022/02/22 Categories
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The sword refers to the duplicate number in the offer – array
February 5, 2024
by Jonathan Johnson
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Using data properties (all numbers in the range of 0 to N-1) and array indexes, find the repeated elements. Otherwise: The current number is encountered...
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Integers With Minimal Sum (Python)
February 5, 2024
by 馬雅惠
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This is the second question in a Weekly Contest 283. It examines how well you understand the topic.
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Delete the duplicate element II from the sorted list
February 5, 2024
by Jeremy Ward
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This is the 11th day of my participation in the 2022 First Revision Challenge. This is the 11th day of my participation in the 2022...
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Leetcode 2194. Cells in a Range on an Excel Sheet (Python)
February 5, 2024
by Lagan Datta
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This is the first question in Weekly Contest 283. It examines the basic string splicing, difficulty Eazy, double layer cycle can be made.
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【 答 案 】 Palindrome number
February 5, 2024
by Alex Hall
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Study like the seedlings of spring, see its increase, day has a director; Drop out of school such as a whetstone, see its loss, loss....
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A daily list of leetcode234- palindrome links
February 5, 2024
by Oorja Bali
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Determine if a linked list is palindromic. The second part of the list is reversed, and then one is iterated from the beginning, one is...
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Check if a character is unique
February 5, 2024
by Andrew Forsyth
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Implement an algorithm that determines whether all characters of a string s are different, printing false if they are the same and true if they...
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Between the candles on the plate
February 5, 2024
by Mehul Rama
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Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit series activities - click on the task to see the...
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Square root of LeetCode- 69.x (day15)
February 5, 2024
by Ishita Batta
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Gold three silver four, again to brush the month. If you have time, I hope you still brush it as far as possible. Help is...
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[LeetCode] 83. Delete duplicate elements from sorted lists
February 5, 2024
by Mandy Gray-Dunn
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This is the ninth day of my participation in the First Challenge 2022. For details: First Challenge 2022. Given the head of a sorted list,...
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Offer integer power Python and C++
February 5, 2024
by 賴俊賢
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Given a float of type double base and an integer of type int exponent. I'm going to take base exponent. Notice the return value, when...
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Sword finger Offer 24. Reverse the linked list
February 5, 2024
by 金瑋婷
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24. Reverse the linked list of offers. I am participating in the 2022 Spring Recruit Punch card activity. Click here for details. 1. The left...
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