Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] Disemvowel Trolls

Trolls are attacking your comment section! A common way to deal with this situation is to remove all of the vowels from the trolls' comments, neutralizing the threat. Your task is to write a function that takes a string and return a new string with all vowels removed. For example, the string "This website is for losers LOL!" would become "Ths wbst s fr lsrs LL!". 모음만 제거하는 예제다. 정규표현식 /[aeiou]/ gi..

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] Beginner Series #3 Sum of Numbers

Given two integers, which can be positive and negative, find the sum of all the numbers between including them too and return it. If both numbers are equal return a or b. Note! a and b are not ordered! Example: GetSum(1, 0) == 1 // 1 + 0 = 1 GetSum(1, 2) == 3 // 1 + 2 = 3 GetSum(0, 1) == 1 // 0 + 1 = 1 GetSum(1, 1) == 1 // 1 Since both are same GetSum(-1, 0) == -1 // -1 + 0 = -1 GetSum(-1, 2) ==..

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] Return Negative

In this simple assignment you are given a number and have to make it negative. But maybe the number is already negative? Example: makeNegative(1); // return -1 makeNegative(-5); // return -5 makeNegative(0); // return 0 Notes: The number can be negative already, in which case no change is required. Zero (0) can't be negative, see examples above.

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] Convert number to reversed array of digits

Description: Convert number to reversed array of digits Given a random number: C#: long; C++: unsigned long; You have to return the digits of this number within an array in reverse order. Example: 348597 => [7,9,5,8,4,3] 훨씬 더 생산적인 코드로 개선하자면 많이 배워갑니다.

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] Sum of positive

You get an array of numbers, return the sum of all of the positives ones. Example [1,-4,7,12] => 1 + 7 + 12 = 20 조금 더 효율적인 코드로 개선해보면

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] Count by X

Create a function with two arguments that will return a list of length (n) with multiples of (x). Assume both the given number and the number of times to count will be positive numbers greater than 0.Return the results as an array (or list in Python, Haskell or Elixir). Examples: countBy(1,10) === [1,2,3,4,5,6,7,8,9,10] countBy(2,5) === [2,4,6,8,10] 이런 방법으로 첫 코딩을 작성했다. 좀 더 보기 좋은 코드로는 이렇게 작성도 가능하다.

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] Opposite number

Very simple, given a number, find its opposite. Examples: 1: -1 14: -14 -34: 34

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] Jenny's secret message

Description: Jenny has written a function that returns a greeting for a user. However, she's in love with Johnny, and would like to greet him slightly different. She added a special case to her function, but she made a mistake. Can you help her?

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] UEFA EURO 2016

Description: Finish the uefaEuro2016() function so it return string just like in the examples below: uefaEuro2016(['Germany', 'Ukraine'],[2, 0]) // "At match Germany - Ukraine, Germany won!" uefaEuro2016(['Belgium', 'Italy'],[0, 2]) // "At match Belgium - Italy, Italy won!" uefaEuro2016(['Portugal', 'Iceland'],[1, 1]) // "At match Portugal - Iceland, teams played draw."

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] Double Char

Given a string, you have to return a string in which each character (case-sensitive) is repeated once. doubleChar("String") ==> "SSttrriinngg" doubleChar("Hello World") ==> "HHeelllloo WWoorrlldd" doubleChar("1234!_ ") ==> "11223344!!__ "

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] Even or Odd

이렇게 코드를 작성해 봤는데 3항 연산자를 활용해서 하나 더 만들어 봤습니다.

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] 문자열 다루기

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] 정수 제곱근 판별하기

Computer science/알고리즘

[자바스크립트로 구현한 알고리즘] 핸드폰번호 가리기