popup17 problem session 4

Problems

Name Solved / Tries Average tries Average tries to solve
A Egypt 11/23 (48%) 2.09 2.09
B Flight Safety 0/0 (0%) -- --
C Hotter Colder 2/9 (22%) 4.50 4.50
D Map 6/60 (10%) 6.00 3.33
E Reduced ID Numbers 10/16 (62%) 1.60 1.60
F Structural Equivalence 0/0 (0%) -- --
G Treequivalence 0/0 (0%) -- --