ITOT 43 Autumn 2021 - THCS A - additive practice Question 7

A row consists of 20 savoury buns and 20 sweet buns in an arbitrary order. Alice and Bob alternate taking one bun from either end, Alice first. Alice wants to finish with exactly 10 of each type; Bob wants to prevent that. Can Alice always achieve her goal? (12 points)



Neutral editorial illustration.