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Can you solve Dongle's Difficult Dilemma? - Dennis E. Shasha

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TEDEd Animation

Let’s Begin…

According to legend, three galactic terraformers shaped your planet into a paradise. When their work was done, they left the source of their power behind: three golden hexagons, hidden in dungeons full of traps and monsters. If one person were to bring all three together, they could reinvent the world however they saw fit. Can you collect the hexagons before your rival? Dennis E. Shasha shows how.

There are many different kinds of auctions, including auctions in which the agent with the highest bid pays to the seller the amount indicated by the second highest bid. Revisit this puzzle and explain how that would change your answers.

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About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Dennis Shasha
  • Director Igor Coric, Artrake Studio
  • Narrator Addison Anderson
  • Director of Production Gerta Xhelo
  • Editorial Director Alex Rosenthal
  • Producer Bethany Cutmore-Scott
  • Editorial Producer Alex Rosenthal
  • Script Editor Alex Gendler
  • Fact-Checker Eden Girma

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