World 7 · Mazes and Guessing Games · 11 min · PRO

Binary search in code: and its famous bug

lo, hi and mid

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
Guess in twenty: binary search

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