codefights arcade intro task 11
isLucky https://
isLucky https://
extraNumber https://
sortByHeight https://
digitDegree https://
chessKnight https://
isDigit https://
add https://
deleteDigit https://
knapsackLight https://
depositProfit https://
lineEncoding https://
sumUpNumbers https://
findEmailDomain https://
centuryFromYear https://
commonCharacterCount https://
makeArrayConsecutive2 https://
electionsWinners https://
shapeArea https://
palindromeRearranging https://