The Pigeonhole Principle is a simple-sounding mathematical idea, but it has a lot of various applications across a wide range of problems. Learning to recognize pigeons and pigeonholes as they appear in different problems can help in discovering possible solutions.
0:00 Pigeonhole Principle
1:39 Chessboard Puzzle
4:07 Planet Puzzle
6:12 Compression
7:47 Pigeons and Pigeonholes
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