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1.线程和进程 什么是线程？ 线程的五种状态是什么 run（）和start（）的区别？ https://www.cnblogs.com/renhui/p/6066750.html 实现方法：继承Thread类，implement Runnable接口（新线程需要把我们创建的类传入） 两个线程交替打印 阅读全文
posted @ 2020-07-10 13:46
Schwifty
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Given an n-ary tree, return the level order traversal of its nodes' values. Nary-Tree input serialization is represented in their level order traversa 阅读全文
posted @ 2020-07-10 10:58
Schwifty
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Given a non-empty binary tree, return the average value of the nodes on each level in the form of an array. Example 1: Input: 3 / \ 9 20 / \ 15 7 Outp 阅读全文
posted @ 2020-07-10 10:16
Schwifty
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Given a binary tree, write a function to get the maximum width of the given tree. The width of a tree is the maximum width among all levels. The binar 阅读全文
posted @ 2020-07-10 04:16
Schwifty
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