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algorithm base

JAVA source code

1.0.0

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algorithm-base

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? Data structure (prerequisite knowledge)

[Animation Simulation] Detailed explanation of hash table, a 10,000-word long article
[Animation Simulation] Detailed explanation of stack and queue
[Drawing Analysis] Detailed explanation of linked lists
[Drawing Description] Detailed explanation of recursion
【Animation Simulation】Tree

? String matching algorithm

[Animation Simulation] String Matching BF Algorithm
[Animation Simulation] String Matching BM Algorithm
[Animation Simulation] String Matching KMP Algorithm

? Sorting algorithm

[Animation Simulation] Bubble sorting
[Animation Simulation] Simple selection sorting
[Animation Simulation] Insertion Sort
[Animation Simulation] Hill Sorting
[Animation Simulation] Merge Sort
【Animation Simulation】Quick Sorting
[Animation Simulation] Heap Sorting
[Animation Simulation] Counting Sort

? Binary tree

[Animation Simulation] Preorder Traversal (Iteration)
[Animation Simulation] Preorder Traversal (Morris)
[Animation Simulation] In-order traversal (iteration)
[Animation Simulation] In-order traversal (Morris)
[Animation Simulation] Postorder Traversal (Iteration)
[Animation Simulation] Postorder Traversal (Morris)

? Sorting algorithm flash question

【Animation Simulation】Netherlands Flag
[Disproof solution] Arrays form the smallest number and the largest number
[Animation Simulation] Reverse Pair Problem
[Animation Simulation] Flip Pair Problem
[Animation Simulation] Linked List Insertion Sort

? Array articles

[Animation simulation] leetcode 1 sum of two numbers
[Animation simulation] leetcode 27 remove elements
[Animation Simulation] The first positive number missing in leetcode 41
[Animation Simulation] leetcode 485 The maximum number of consecutive 1's
[Drawing description] leetcode 1052 Angry bookstore owner
[Animation Simulation] The sword points to the repeated numbers in the offer 3 array
[Animation simulation] leetcode 219 Duplicate element 2 in the array
[Animation Simulation] leetcode 560 and the subarray of K
[Drawing description] leetcode 66 plus one
[Animation simulation] leetcode 75 color classification
[Animation simulation] leetcode 54 spiral matrix
[Animation Simulation] leetcode 59 Spiral Matrix 2
[Animation simulation] leetcode 233 number of digits 1

?Sum problem

[Animation simulation] leetcode 01 sum of two numbers
[Animation simulation] leetcode 15 sum of three numbers
[Animation simulation] leetcode 18 sum of four numbers

? Problem of finding times

[Animation Simulation] leetcode 136 is a number that only appears once
[Animation Simulation] leetcode 137 A number that only appears once II
[Animation Simulation] leetcode 260 The number III that only appears once

? Linked list

[Animation Simulation] The sword points to the k-th node from the bottom of offer 22
[Animation Simulation] Interview question 02.03. Linked list intermediate node
[Animation Simulation] The sword points to offer 52, the first common node of the two linked lists & leetcode 160, intersecting linked lists
[Animation simulation] leetcode 234 palindrome linked list
[Animation simulation] leetcode 206 reverse linked list
[Animation simulation] leetcode 92 reverse linked list 2
[Animation simulation] leetcode 141 circular linked list
[Animation simulation] leetcode 142 circular linked list 2
[Animation simulation] leetcode 86 separated linked list
[Animation simulation] leetcode 328 odd-even linked list
[Animation Simulation] The sword points to offer 25 and merges two sorted linked lists
[Animation Simulation] leetcode 82 Delete duplicate elements from sorted linked list 2
[Animation Simulation] leetcode 147 Insertion sorting of linked lists
[Animation Simulation] Interview Question 02.05 Linked List Sum

?Double pointer

[Animation Simulation] Detailed explanation of binary search
[Animation simulation] leetcode 35 search insertion position
[Animation simulation] leetcode 27 remove elements
[Animation simulation] leetcode 209 subarray with the smallest length
[Animation simulation] leetcode 141 circular linked list
[Animation Simulation] The sword points to offer 52, the first common node of the two linked lists & leetcode 160, intersecting linked lists
[Animation simulation] leetcode 328 odd-even linked list

?‍? Stacks and Queues

[Animation Simulation] leetcode 225 queue implementation stack
[Animation Simulation] Sword Points to Offer 09. Use two stacks to implement queues
[Animation simulation] leetcode 20 valid brackets
[Animation Simulation] leetcode1047 deletes all adjacent duplicates in a string
[Animation simulation] leetcode 402 remove K digits

? Binary search and its variants

[Animation Simulation] Detailed explanation of binary search
[Animation simulation] leetcode 35 search for insertion position
[Animation Simulation] leetcode 34 finds the first and last position of an element
[Drawing Description] Find the first index that is greater than or less than the target element
[Animation Simulation] leetcode 33 Find the target element in the rotating array (excluding repeated elements)
[Drawing description] leetcode 81 Find the target element (including repeated elements) in the rotating array
[Drawing Description] leetcode 153 Find the minimum value in the rotated array
[Animation simulation] leetcode 74 binary search of two-dimensional array

? Monotone Queue Monotone Stack

[Animation Simulation] Sword Pointing Offer 59 - II. Maximum value of the queue
[Animation Simulation] Sword Points to Offer 59 - I. Maximum value of sliding window
[Animation Simulation] leetcode 1438 The longest subarray whose absolute value does not exceed the limit
[Animation simulation] leetcode 155 minimum stack
[Animation simulation] leetcode 739 daily temperature
[Animation simulation] leetcode 42 catching rainwater