How much information = How many yes/no questions

Simon and dad were having a discussion about how difficult it is to solve a 3×3 blindfolded and whether that requires a different set of skills than simply solving a … Continue reading How much information = How many yes/no questions

Some weekend combinatorics

Combinatorics problems (each one builds on the previous one): If there’s a sequence of tasks you need to do, and you know how many ways there are to do each … Continue reading Some weekend combinatorics

The Perfect Sorting Algorithm

Simon showed us this guessing game where we had to guess the correct sequence of cards with numbers 1, 2, 3, 4 while the cards are all flipped upside down. … Continue reading The Perfect Sorting Algorithm