javalruleetcode-leetcode:解决方案

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文件名称：javalruleetcode-leetcode:解决方案

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更新时间：2024-07-19 15:54:06

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java lru leetcode Leetcode Just want to push myself to practice coding Readme 里面并没有列出所有的题目的解法，只列出一些比较经典的 # Title Solution Basic idea (One line) n sum 1 1. HashMap O(n) and O(n) space.2. Sort with two points O(nlogn) and O(1) space. 167 1. two pointers O(n) 2. binary search O(log(n!)) 170 Use HashMap to store numbers. Maintain a list with distinct elements. 653 1. DFS + HashSet Time: O(n), Space: O(n).2. Inorder traversal + two pointers Time: O(n), Space: O(n) 3. BST iterator + stack Time: O(n),