방구석 개발자의 실험실

https://www.hackerrank.com/challenges/staircase/problem?isFullScreen=true Staircase | HackerRankPrint a right-aligned staircase with n steps.www.hackerrank.com Staircase detailThis is a staircase of size : # ## #######Its base and height are both equal to . It is drawn using # symbols and spaces. The last line is not preceded by any spaces.Write a program that prints a staircase of size .Func..

https://www.hackerrank.com/challenges/plus-minus/problem?isFullScreen=true Plus Minus | HackerRankCalculate the fraction of positive, negative and zero values in an array.www.hackerrank.comGiven an array of integers, calculate the ratios of its elements that are , , and . Print the decimal value of each fraction on a new line with 6 places after the decimal.Note: This challenge introduces precis..

https://www.hackerrank.com/challenges/diagonal-difference/problem?isFullScreen=true Diagonal Difference | HackerRankCalculate the absolute difference of sums across the two diagonals of a square matrix.www.hackerrank.comGiven a square matrix, calculate the absolute difference between the sums of its diagonals.For example, the square matrix is shown below:1 2 34 5 69 8 9 The left-to-right diago..

https://www.hackerrank.com/challenges/a-very-big-sum/problem?isFullScreen=true A Very Big Sum | HackerRankCalculate the sum of the values in an array that might exceed the range of int values.www.hackerrank.comIn this challenge, you need to calculate and print the sum of elements in an array, considering that some integers may be very large.Function DescriptionComplete the function with the fol..

[해커랭크] Compare the Tripletshttps://www.hackerrank.com/challenges/compare-the-triplets/problem?isFullScreen=true Compare the Triplets | HackerRankCompare the elements in two triplets.www.hackerrank.com 문제Alice and Bob each created one problem for HackerRank. A reviewer rates the two challenges, awarding points on a scale from 1 to 100 for three categories: problem clarity, originality, and d..

Simple Array SumEasyProblem Solving (Basic)Max Score: 10Success Rate: 94.74%Calculate the sum of integers in an array. 문제Given an array of integers, find the sum of its elements.For example, if the array , , so return .Function DescriptionComplete the function with the following parameter(s):: an array of integersReturns: the sum of the array elementsInput FormatThe first line contains an inte..

뇌가 굳지 않게 다시금 주물러줄 때가 왔나보다.백준, 프로그래머스, 소프티어 등을 거쳐왔지만 해커랭크는 생소하다.같이 한번 알아보자. https://www.hackerrank.com/ HackerRank - Online Coding Tests and Technical InterviewsHackerRank is the market-leading coding test and interview solution for hiring developers. Start hiring at the pace of innovation!www.hackerrank.com 먼저 사이트를 들어가자마자 제휴사? 가 눈에 띄었다.에어비엔비, 링크드인, 아틀라시안, IBM, 어도비는 그렇다쳐도 골드만 삭스는 왜 있는걸까 백준과 ..

어느날 서비스가 종료된다는 안내 메일을 받았다. 이제서야 글을 쓰지만 소프티어가 두달전쯤 종료됐다.지금 보니 메일을 받은건 5월 경이다. 나름 레벨1부터해서 3까지인가 전부 다 풀고나서 블로그에 글도쓰고레벨별 문제 풀이 후기도 남기고 실시간으로 새로운 문제가 올라오는것도 직관하고열심히 시간을 쏟았던 플랫폼이기에 마음 한켠으로는 참으로 아쉽게 됐다. 그래도 메일 하단에 보면 HDAT 사이트가 개설된다고 하고아래와 같이 HDAT 수강과정도 아직 있는걸 보니현대자동차그룹에서 새로이 무언가 런칭할 계획인가보다.https://edu.hyundai-ngv.com/course/course_view.jsp?id=5656&page=6 HDAT-DA 자격시험 edu.hyundai-ngv.com 이 글로써 소..