https://www.cnblogs.com/yinq/p/6926581.html List排序大体上分为如下两类： 1、List 对Integer、String等类型...
发简信
IP属地：艾伯塔
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Permutation
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map
https://www.cnblogs.com/lwlxqlccc/p/6143887.html 一、整理： 二、Map与Collection在集合框架中属并列存在 也就是C...
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Collectioncollection主要方法: boolean add(Object o)添加对象到集合boolean remove(Object o)删除指定的对象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() 测试堆栈...
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20. Valid Parentheses
https://leetcode.com/problems/valid-parentheses/description/解题思路：1.遇到配对的我们用stack来解决。 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/ 解题思路： 从最低位开始相加，然后考虑进位 代码：class So...
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110. Balanced Binary Tree
https://leetcode.com/problems/balanced-binary-tree/description/ 解题思路：用前序判断树的高度，然后对每一步判断...
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26. Remove Duplicates from Sorted Array
https://leetcode.com/problems/remove-duplicates-from-sorted-array/description/ 解题思路：num...
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374. Guess Number Higher or Lower
https://leetcode.com/problems/guess-number-higher-or-lower/description/解题思路：得到中间值去判断 pu...
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9. Palindrome Number
https://leetcode.com/problems/palindrome-number/description/ 解题思路： 反向相乘去得到目标值reverse = ...
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66. Plus One
https://leetcode.com/problems/plus-one/description/解题思路：本位为9则进位，否则直接+1 代码：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/ 解题思路： 判断前...
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101. Symmetric Tree
https://leetcode.com/problems/symmetric-tree/description/解题思路： node1. left == node2.rig...
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27. Remove Element
https://leetcode.com/problems/remove-element/description/ 解题思路： 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/解题...
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268. Missing Number
https://leetcode.com/problems/missing-number/description/ 解题思路： 先排序，然后判断nums[i] == i 代码...
