Topic 4: Combinatorics: Counting, Inclusion-Exclusion

Problems

Name Solved / Tries Average tries Average tries to solve
A Hopscotch 8/19 (42%) 2.38 2.38
B King's Colors 7/28 (25%) 3.50 3.14
C Coprime Integers 7/10 (70%) 1.25 1.29
D Election 12/93 (13%) 6.64 6.17