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World 7 · Mazes and Guessing Games · 10 min · PRO

Guess in twenty: binary search

Halve the possibilities every time

PRO · Puzzle Algorithms Lab

World 7: Mazes and Guessing Games is part of PRO

The first world of Puzzle Algorithms Lab is free. PRO opens the other 25 lessons in 6 worlds — simulations, quizzes and all.

  • Make a maze: growing a spanning tree
  • Solve a maze: three ways out
  • Binary search in code: and its famous bug
PRO includes
  • All 60 labs — every world, every lesson
  • Practice exams and certificates

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← Solve a maze: three ways outBinary search in code: and its famous bug →

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