It is the first time that I compete in Google Codejam.
I found that I am simply too slow to come out with the solution.
A: S, B
B: S, B
C: S1, S2
D: S, B
Still can't figure out why C-B is incorrect, but is too lazy to dig out the problem.
A: S, B
B: S, B
C:
Didn't have enough time to finish C.
A: S, B
B:
C:
D:
Encounter a bug in A and took sometime to fix it. Therefore, got no time for B, C, and D.
A:
B:
C:
D:
Didn't recognize that DCJ is a completely different puzzle. Didn't spend enough time to try to understand the concept during the competition.
B: S, B
Dicided to learn DCJ during the test run. Begin to get some ideas behind it.