Waterloo practice

Problems

Name Solved / Tries Average tries Average tries to solve
A Bracket Pairing 1/3 (33%) 1.00 1.00
B Code Guessing 1/4 (25%) 1.33 1.00
C Concert Rehearsal 1/2 (50%) 1.00 1.00
D Espresso! 2/2 (100%) 1.00 1.00
E Even Substrings 1/1 (100%) 1.00 1.00
F Land Equality 0/3 (0%) 1.50 --
G Lone Rook 2/3 (67%) 1.50 1.50
H Parking Lot 1/4 (25%) 2.00 1.00
I Stream Lag 1/1 (100%) 1.00 1.00
J Subprime 2/5 (40%) 1.67 2.00
K Tree Number Generator 0/1 (0%) 1.00 --
L Ultimate Binary Watch 1/1 (100%) 1.00 1.00
M Word Puzzle 1/2 (50%) 1.00 1.00