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题目描述：将数组到零移到最后，并保持不为0到数相对位置不变 Given an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-z 阅读全文
posted @ 2019-12-31 09:01
smallone1
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题目描述：反转链表 Reverse a singly linked list. Example: Follow up: A linked list can be reversed either iteratively or recursively. Could you implement both? 阅读全文
posted @ 2019-12-30 09:29
smallone1
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题目描述：给一个二叉树，反转它 Invert a binary tree. Example: Input: Output: Trivia:This problem was inspired by this original tweet by Max Howell: 思路： 递归，从根节点出发，反转当 阅读全文
posted @ 2019-12-30 09:20
smallone1
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题目描述： 给一个数组，数组中只有一个数字出现了一次，其他的数字都出现了两次，找到这个只出现一次的数字 Given a non-empty array of integers, every element appears twice except for one. Find that single 阅读全文
posted @ 2019-12-30 09:16
smallone1
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题目描述：给一个二叉树，返回该二叉树的最大深度 Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root nod 阅读全文
posted @ 2019-12-30 09:03
smallone1
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题目描述：给予两个二叉树 t1 , t2 ，合并他们。 Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overl 阅读全文
posted @ 2019-12-30 08:22
smallone1
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一、java 1. download java 2. install java 3. vim ~/.bash_profile 4. 5. java -version 6. 成功了 二、MAVEN 1. 官网下载 maven包 2. install 3. vim ~/.bash_profile 4. 阅读全文
posted @ 2019-12-28 16:56
smallone1
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