방구석 개발자의 실험실

[해커랭크] Cut the sticks https://www.hackerrank.com/challenges/cut-the-sticks/problem?isFullScreen=true Cut the sticks | HackerRankGiven the lengths of n sticks, print the number of sticks that are left before each cut operation.www.hackerrank.com You are given a number of sticks of varying lengths. You will iteratively cut the sticks into smaller sticks, discarding the shortest pieces until there ..

[해커랭크] Library Fine https://www.hackerrank.com/challenges/library-fine/problem?isFullScreen=true Library Fine | HackerRankHelp your library calculate fees for late books!www.hackerrank.com Your local library needs your help! Given the expected and actual return dates for a library book, create a program that calculates the fine (if any). The fee structure is as follows:If the book is returned on..

[해커랭크] Sherlock and Squares https://www.hackerrank.com/challenges/sherlock-and-squares/problem?isFullScreen=true Sherlock and Squares | HackerRankFind the count of square numbers between A and Bwww.hackerrank.com Watson likes to challenge Sherlock's math ability. He will provide a starting and ending value that describe a range of integers, inclusive of the endpoints. Sherlock must determine the..

[해커랭크] Append and Delete https://www.hackerrank.com/challenges/append-and-delete/problem?isFullScreen=true Append and Delete | HackerRankCan you convert $s$ to $t$ by performing exactly $k$ operations?www.hackerrank.com You have two strings of lowercase English letters. You can perform two types of operations on the first string:Append a lowercase English letter to the end of the string.Delete t..