Phoebe815

摘要： All DNA is composed of a series of nucleotides abbreviated as A, C, G, and T, for example: "ACGAATTCCG". When studying DNA, it is sometimes useful to ... 阅读全文

摘要： There are a total ofncourses you have to take, labeled from0ton - 1.Some courses may have prerequisites, for example to take course 0 you have to firs... 阅读全文

摘要： https://ckjoker.github.io/2015/03/01/Java-bit-primary/ 阅读全文

摘要： Given a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to 3999.------------------------题是比较简单，但是解法中用了static... 阅读全文

摘要： Stored routines (procedures and functions)can be particularly useful in certain situations:When multiple client applications are written in different ... 阅读全文

摘要： Mocking:Difference between error and failure:TDD:BDD: 阅读全文

摘要： mapisainterfacehashmapisaclassthatimplementsthatinterface.thatisthebasicdifferent. 阅读全文

摘要： Given two words (startandend), and a dictionary, find the length of shortest transformation sequence fromstarttoend, such that:Only one letter can be ... 阅读全文

摘要： Given a set ofnon-overlappingintervals, insert a new interval into the intervals (merge if necessary).You may assume that the intervals were initially... 阅读全文

摘要： Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity must be in the ord... 阅读全文