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RSS订阅原创 Java HashMap Usage and Common Methods
Java HashMap Usage and Common Methods
2025-08-06 15:39:33
729
原创 Java Queue Usage, Common Methods and Variants of Queue
Java Queue Usage, Common Methods and Variants of Queue
2025-08-06 13:23:27
443
原创 Day07: LeetCode. Hash Table: 454, 383, 15, 18
Given four integer arrays , , , and , all of length n, count how many quadruplets This method cleanly returns zero when a particular sum hasn’t been seen, avoiding explicit checks and allowing us to write
2025-07-15 16:57:09
405
原创 Day06: LeetCode. Hash Table: Concept, 242, 349, 202, 1
Day06: LeetCode. Hash Table: 242, 349, 202, 1。
2025-07-14 23:10:38
1943
原创 Day04: LeetCode. Linked List: 24, 19, 160, 142
Day04: LeetCode. Linked List: 24, 19, 160, 142
2025-07-13 23:01:43
1914
原创 Day03: 203. Remove Linked List Elements & 707. Design Linked List & 206. Reverse Linked List
The code defines a method for removing all nodes from a singly linked list that have a specific value.How it works:Complexity: 707. Design Linked List The code design and implement a singly linked list data structure support retrieve a value at a speci
2025-07-13 00:10:29
1715
原创 Day01: 704. Binary Search & 27. Remove Element & 977. Squares of a Sorted Array
Implements。
2025-07-09 23:14:28
584
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