Scala Problemsを解いてみた teruuuのブログ

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A note on pattern matching: The line of code below will create 2 values from the list - head and tail - where head is the first item and tail is everything else. It makes matching and recursion simpler. 1. case head::tail =>. Anyway, here's the code: Question: Find out whether a list is a palindrome. Example:

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P-99: Ninety-Nine Problems¶ | java | scala | python | lisp | There is a really famous P-99: Ninety-Nine Prolog Problems. This is a remake of the P-99: Ninety-Nine Prolog Problems collection that I assembled over several years of teaching at the University of Applied Sciences (Berner Fachhochschule) at Biel-Bienne, Switzerland. The collection.

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Solution: import scala. io. StdIn. _ val name = readLine ("Enter your name: ") println ("Enter your age: ") val age = readInt () println ( Console. BOLD) print ("Name: ") print ( Console.

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A series of Scala-focused programming problems. Adapted from Werner Hett's Ninety-Nine Prolog Problems.. S-99: Ninety-Nine Scala Problems. 2 Annual 2009, upgraded 10 Feb 2023. Table concerning Contents. Working is tabbed. P01 (*) Find the continue element out a list. P02 (*) Find the previous however one element by a list.

S99 Scala Problems(P21P28)を解いてみた kmizuの日記

99 Scala problems Origins In August 2014 I've created a blog post, where I've stated that I will challenge myself to solve well known 99 Scala problems in 333 days. This project holds a code repository for the solutions I came up with during the challenge. ##Follow my travel While solving the problems, I try to my journey on my blog

99 Problems

99-scala-problems Solutions and tests for Phil Gold's S-99: Ninety-Nine Scala Problems. Table of Contents Lists Arithmetic Logic and Codes Binary Trees Multiway Trees Graphs Miscellaneous Lists P01 (*) Find the last element of a list. scala > last ( List ( 1, 1, 2, 3, 5, 8 )) res0: Int = 8 P02 (*) Find the last but one element of a list.

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And Scala 99 problems. 2 Likes mario-galic July 13, 2020, 6:21pm 4 Hands-on Scala Programming, by Li Haoyi, contains exercises and solutions: Starting from chapter 5, every chapter come with some exercises at the end…

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Problems marked with two asterisks () are of intermediate difficulty. If you are a skilled Scala programmer it shouldn't take you more than 30-90 minutes to solve them. Problems marked with three asterisks () are more difficult. You may need more time (i.e. a few hours or more) to find a good solution.

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99 Scala Problems Index By Leonardo Giordani - 07/04/2015 Updated on Feb 28, 2019 Programming Scala functional programming Share on: Twitter LinkedIn HackerNews Email Reddit I decided to learn Scala.

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1 branch 0 tags Code 23 commits Failed to load latest commit information. project src/main/ scala .gitignore README.md build.sbt README.md S-99: Ninety-Nine Scala Problems These are my solutions to a set of the Ninety-Nine Prolog Problems written by Werner Hett at the Berne University of Applied Sciences in Berne, Switzerland.

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Solutions for 99 Scala Problems(http://aperiodic.net/phil/scala/s-99/) - Scala99Problems/README.md at master · TrafalgarZZZ/Scala99Problems

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This repository provides some solution to the 99 scala problems. See: http://aperiodic.net/phil/scala/s-99/ P01 (*) Find the last element of a list Example: scala> last (List (1, 1, 2, 3, 5, 8)) res0: Int = 8 blue-print solution P02 (*) Find the last but one element of a list. Example: scala> penultimate (List (1, 1, 2, 3, 5, 8)) res0: Int = 5

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99-scala-problems is a Scala library typically used in Programming Style, Functional Programming, Example Codes applications. 99-scala-problems has no vulnerabilities and it has low support. However 99-scala-problems has 50 bugs. You can download it from GitHub. Solutions to programming problems from This is a scala adaptation of Support Quality

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Working through the 99 scala problems and confused by problem 23. To my eyes, the example is incongruent with the stated problem. Specifically the Symbol 'e in the resulting list isn't in among the input.. Furthermore, these Scala problems are an adaptation of these Ninety-Nine Prolog Problems. You can see the equivalent question there,.

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Scala: 99 problems My colleague Liz Douglass and I have been playing around with Scala and Liz recently pointed out Phil Gold's ' Ninety Nine Scala Problems ' which we've been working through. One in particular which is quite interesting is number 7 where we need to flatten a nested list structure. Therefore given this input:

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A recursive solution can be written based on this simple algorithm: the number N is used as a countdown, keeping elements until it reaches the value 1. Then the current element is discarded and the process continues with a countdown reset.