CSP Extra Training Day 1 (10.18)

B : bricks
Score : 100
Diff : 5->2
Comment :
Examing 1 : ???????
Examing 2 : (Write some examples)
Examing 3 : PATTERN!
Examing 4 : (Quickly Coding)
After Examing 1 : (WA)
After Examing 2 :
Aft. 1 : (Power of std)
Aft. 2 : (AC)