Topic 4: Combinatorics: Counting, Inclusion-Exclusion

Problems

Name Solved / Tries Average tries Average tries to solve
A Hopscotch 11/33 (33%) 2.75 2.36
B King's Colors 10/19 (53%) 1.73 1.80
C Coprime Integers 8/18 (44%) 1.80 2.00
D Election 16/63 (25%) 3.71 3.38