Hello Coders,

The January edition of 101 Hack is here. This time we have 5 interesting challenges lined up for you.
The contest commences on 31st Jan 2015 at 16:30 UTC, and will run for 2 hours. You can sign up for the contest here.

The problem statements will be available in English, Russian and Chinese.

Top 10 on leaderboard get cool HackerRank T Shirts

Problem Setters
devu
amitp08

Problem Testers
kamlesh_cf
wanbo
sdya

Please try all problems, Editorials will be available at the end of contest.

GL&HF