Week 2 Sheet Solution

A: https://ideone.com/hyGX7h
B: https://ideone.com/OD9eI4
C: https://ideone.com/yARlge
D: https://ideone.com/xK4xym
E: https://ideone.com/GxsusD
F: https://ideone.com/Wx8GPs
G: https://ideone.com/Bq75DN
H: https://ideone.com/NVdGUd
I: https://ideone.com/wxdror Another solution: https://ideone.com/QM3m6e
J: https://ideone.com/HfLzQ5
K: https://ideone.com/CNwRB0
L: https://ideone.com/JTt1Z6
M: https://ideone.com/EMG459
N: https://ideone.com/f8yQ7A
O: https://ideone.com/qkJBTj
P: https://ideone.com/mGyBmT