UML概念
UML的动态模型图由活动图、顺序图、状态图和协作图组成。
UML的需求分析产生的用例模型描述了系统的功能模型。
部署图表示的是如何将具体软件制品分配到计算机节点上。
UML的五种静态模型图是类图、对象图、包图、组件图和部署图。
Self-Dividing-Numbers
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题目地址
LeetCode#728 Self Dividing Numbers
题目描述
A self-dividing number is a number that is divisible by every digit it contains.
For example, 128 is a self-dividing number because 128 % 1 == 0, 128 % 2 == 0, and 128 % 8 == 0.
Also, a self-dividing number is not allowed to contain the digit zero.
Given a lower and upper number bound, output a list of every possible self dividing number, including the bounds if possible.
Find-Anagram-Mappings
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LeetCode#760 Find Anagram Mappings
Given two lists Aand B, and B is an anagram of A. B is an anagram of A means B is made by randomizing the order of the elements in A.
We want to find an index mapping P, from A to B. A mapping P[i] = j means the ith element in A appears in B at index j.
Shopping-Offers
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In LeetCode Store, there are some kinds of items to sell. Each item has a price.
However, there are some special offers, and a special offer consists of one or more different kinds of items with a sale price.
Longest-Word-in-Dictionary-through-Deleting
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LeetCode#524 Longest Word in Dictionary through Deleting
Given a string and a string dictionary, find the longest string in the dictionary that can be formed by deleting some characters of the given string. If there are more than one possible results, return the longest word with the smallest lexicographical order. If there is no possible result, return the empty string.