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Feature #1: Hand of Straights

Explore how to implement a solution that checks if a poker hand can be grouped into straights of size k using JavaScript. Learn to count card occurrences, sort cards, and validate groups systematically for coding interviews.

Description

For the first feature, we will be working on a variation of Poker. In traditional poker, players form sets of five playing cards, called hands. This feature is concerned with a hand of Straights. Traditionally, a hand of straight is formed by five cards of sequential ranks, such as 9♣, 8♠, 7♠, 6♥, and 5♥. However, in our variation of Poker, a number kk will be determined by rolling a dice 🎲. Then, a hand of straights is only possible if kk sets of cards can be formed using all of the cards in the hand. Each group will consist of kk cards of sequential rank.

If the dice rolls a 1, we roll it again. Therefore, you can assume that kk ...