Schwifty - 博客园

2020年7月10日

摘要： 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 阅读(133) 评论(0) 推荐(0)

429. N-ary Tree Level Order Traversal

摘要： 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 阅读(143) 评论(0) 推荐(0)

637. Average of Levels in Binary Tree

摘要： 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 阅读(124) 评论(0) 推荐(0)

662. Maximum Width of Binary Tree

摘要： 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 阅读(159) 评论(0) 推荐(0)

2020年7月8日

463. Island Perimeter

摘要： You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/ve 阅读全文

posted @ 2020-07-08 01:30 Schwifty 阅读(136) 评论(0) 推荐(0)

2020年7月7日

1504. Count Submatrices With All Ones

摘要： Given a rows * columns matrix mat of ones and zeros, return how many submatrices have all ones. Example 1: Input: mat = [[1,0,1], [1,1,0], [1,1,0]] Ou 阅读全文

posted @ 2020-07-07 10:40 Schwifty 阅读(733) 评论(0) 推荐(0)

1503. Last Moment Before All Ants Fall Out of a Plank

摘要： We have a wooden plank of the length n units. Some ants are walking on the plank, each ant moves with speed 1 unit per second. Some of the ants move t 阅读全文

posted @ 2020-07-07 07:19 Schwifty 阅读(211) 评论(0) 推荐(0)

2020年7月6日

1502. Can Make Arithmetic Progression From Sequence

摘要： Given an array of numbers arr. A sequence of numbers is called an arithmetic progression if the difference between any two consecutive elements is the 阅读全文

posted @ 2020-07-06 06:32 Schwifty 阅读(288) 评论(0) 推荐(0)

2020年7月5日

313. Super Ugly Number

摘要： Write a program to find the nth super ugly number. Super ugly numbers are positive numbers whose all prime factors are in the given prime list primes 阅读全文

posted @ 2020-07-05 06:19 Schwifty 阅读(132) 评论(0) 推荐(0)

2020年7月4日

492. Construct the Rectangle

摘要： For a web developer, it is very important to know how to design a web page's size. So, given a specific rectangular web page’s area, your job by now i 阅读全文

posted @ 2020-07-04 12:51 Schwifty 阅读(132) 评论(0) 推荐(0)

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