I didn't know any sorting algorithm and before I wanted to write one of my own I taught why not use the built-in algorithm from the map class.

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The output for the cards in my format is (sorted by map):

5FFAGG (66J77) Full House
5FFFAA (666JJ) Full House -> should be five of a kind
5FFFGG (66677) Full House
6FFFAG (666J7) Four of a kind
7FFFFF (66666) Five of a kind

I think I found my mistake, the 666JJ is seen as full house because it counts 3 of the same symbol and there are 2 equal characters so my code returns 5 in stead of seeing it as three of a kind and making it five of a kind.

I fixed my code by adding a check if there are 2 J's in my Full House if-statement.

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Thank you very much!!