UA spring practice contest

Problems

Name Solved / Tries Average tries Average tries to solve
A Grading 6/8 (75%) 1.33 1.33
B Imperfect GPS 1/8 (12%) 2.67 1.00
C Logo 3/10 (30%) 2.50 3.00
D Curse the Darkness 1/5 (20%) 2.50 4.00
E Chinese Remainder 0/3 (0%) 1.50 --
F Prime Sieve 0/0 (0%) -- --