R-mahjong ⅠⅠ: is hand winning?

R-mahjong ⅠⅠ: is hand winning?

The second part of the series dedicated to the Japanese game "riichi mahjong". It's a little more complicated than the previous one.

Your task is to check if the hand is a winning one. If in the previous mission you were given a ready-made hand, then in this one there will be just a set of tiles in the input data, which may not be victorious.

Let me remind you of the conditions of victory.

  • There should be exactly 14 tiles in the hand.
  • The hand must contain four sets (pon or chi) and one pair.

In this mission, the second argument of the function is added...

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