https://www.cnblogs.com/yinq/p/6926581.html List排序大體上分為如下兩類(lèi)： 1、List 對(duì)Integer、String等類(lèi)型...
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Permutation
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map
https://www.cnblogs.com/lwlxqlccc/p/6143887.html 一、整理： 二、Map與Collection在集合框架中屬并列存在 也就是C...
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Collectioncollection主要方法: boolean add(Object o)添加對(duì)象到集合boolean remove(Object o)刪除指定的對(duì)象int size()返回...
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Stack and Queue
https://www.cnblogs.com/interdrp/p/8039490.html Stack的方法： boolean Empty() 測(cè)試堆棧...
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20. Valid Parentheses
https://leetcode.com/problems/valid-parentheses/description/解題思路：1.遇到配對(duì)的我們用stack來(lái)解決。 遇到...
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141. Linked List Cycle I and II
https://leetcode.com/problems/linked-list-cycle/description/https://leetcode.com/proble...
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67. Add Binary
https://leetcode.com/problems/add-binary/description/ 解題思路： 從最低位開(kāi)始相加，然后考慮進(jìn)位 代碼：class So...
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110. Balanced Binary Tree
https://leetcode.com/problems/balanced-binary-tree/description/ 解題思路：用前序判斷樹(shù)的高度，然后對(duì)每一步判斷...
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26. Remove Duplicates from Sorted Array
https://leetcode.com/problems/remove-duplicates-from-sorted-array/description/ 解題思路：num...
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374. Guess Number Higher or Lower
https://leetcode.com/problems/guess-number-higher-or-lower/description/解題思路：得到中間值去判斷 pu...
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9. Palindrome Number
https://leetcode.com/problems/palindrome-number/description/ 解題思路： 反向相乘去得到目標(biāo)值reverse = ...
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66. Plus One
https://leetcode.com/problems/plus-one/description/解題思路：本位為9則進(jìn)位，否則直接+1 代碼：class Solutio...
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235. Lowest Common Ancestor of a Binary Search Tree
https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/descriptio...
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35. Search Insert Position
https://leetcode.com/problems/search-insert-position/description/ class Solution {publi...
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83. Remove Duplicates from Sorted List
https://leetcode.com/problems/remove-duplicates-from-sorted-list/description/ 解題思路： 判斷前...
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101. Symmetric Tree
https://leetcode.com/problems/symmetric-tree/description/解題思路： node1. left == node2.rig...
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27. Remove Element
https://leetcode.com/problems/remove-element/description/ 解題思路： nums[res++] == nums[i] ...
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21. Merge Two Sorted Lists
https://leetcode.com/problems/merge-two-sorted-lists/description/ class Solution {publi...
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108. Convert Sorted Array to Binary Search Tree
https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/description/解題...
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268. Missing Number
https://leetcode.com/problems/missing-number/description/ 解題思路： 先排序，然后判斷nums[i] == i 代碼...