I have a logic question regarding scoring playing card runs

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• I am making a Cribbage game and I am having trouble figuring out the logic of how to recognize a card run. In Cribbage you can score points for card runs that are played out of order sequentially but are still connected as a group. eg. 4-5-6 is a run and 6-4-5 , 5-6-4 are also runs.

Each card has a variable for the face value, 1-13. I am placing each card in the order they are played into an array. So using the example above, when the third card being played is a 6, how do I check if the last two cards played are both a 4 or a 5. (there can be no other cards played in between any of the cards in the run)

I would need it to recognized longer runs too. eg 5-3-1-2-4 (when the 2 is played it becomes a 3 card run(3-1-2) and when the 4 is played it becomes a 5 card run)

• You can add all cards into an empty array, sort and then check if cards there are in order:

Is it possible that these cards are played: 5-3-1-2-8?

Should it be recognized as a 3-card run? If it should, then you'll probably need another event that loops through all elements in this array and counts the number of consecutive cards.

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• Thanks for the reply. It will be a few days until I can try it.

• 3 posts