你能解開被盜紅寶石之謎嗎? – 丹尼斯·沙沙

在 https 練習更多解決問題的方法://輝煌的.org/TedEd/
Solution to Bonus Riddle: https://brilliant.org/TedEdRuby/

Townspeople are demanding that a corrupt merchant’s collection of 30 rubies be confiscated to reimburse the victims of his schemes. The king announces that the fine will be determined through a game of wits between the merchant and the king’s most clever advisor – you. Can you outfox the merchant and win back the greatest amount of rubies to help his victims? Dennis Shasha shows how.

Lesson by Dennis Shasha, 由 Artrak Studio 執導.

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