Hello Coders,

The 24^th edition of 101 Hack is here. This time we have 5 interesting challenges lined up for you.
The contest commences on 29th April 2015 at 16:30 UTC, and will run for 2 hours. You can sign up for the contest here.

This edition of the contest is sponsored by Cogito API and prizes include

1st place: Pebble watch
2nd place: wireless headphones by Voxoa
3rd place: Hubscan quadcopter
4-20 will each get a HackerRank T-shirt

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

Problem Setters

Bidhan
sevenkplus

Problem Testers

wanbo

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

GL&HF

Hello Coders,

The 23^rd edition of 101 Hack is here. This time we have 5 interesting challenges lined up for you.
The contest commences on 27th March 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

PraveenDhinwa

Problem Testers

wanbo

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

GL&HF

Hello Coders,

The 22^nd edition of 101 Hack is here. This time we have 5 interesting challenges lined up for you.
The contest commences on 4th March 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

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

GL&HF

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

Hello Coders,

The December edition of 101 Hack is here. This time we have 5 interesting challenges lined up for you.
The contest commences on 18th Dec 2014 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 Setter
Shaka Shadows EMINAYAR

Problem Testers
dyps
wanbo

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

GL&HF

Update

The contest has begun!!

Update 2

Editorials are live!

Hello Coders,

The November edition of 101 Hack is here. This time we have 5 interesting challenges lined up for you. The contest commences on 29th Nov 2014 at 13:30 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.

The problem statements will be available in English, Russian and Chinese.
Top 10 on leaderboard get cool HackerRank T Shirts
Books for individual challenge-leaderboard toppers

Problem Setter
Sergey Kulik

Problem Testers
dyps
wanbo
Gerald

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

GL&HF

Hello Coders!

The October edition of 101 Hack is here. This time we have 5 interesting challenges lined up for you. The contest commences on 1st Nov 2014 at 06:30 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
Books for individual challenge-leaderboard toppers

Problem Setter
GaryYe

Problem Tester
dyps
wanbo

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

GL&HF

Update

Contest has started!

Hello Coders!

The September edition of 101 Hack is here. This time we have 5 interesting challenges lined up for you. The contest commences on 27th Sep 2014 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
Books for individual challenge-leaderboard toppers

Problem Setter
GaryYe
fleimgruber

Problem Tester
msh_shiplu

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

GL&HF

Update

Contest has started!!

Update 2

The Editorials are live. Hope you guys enjoyed the contest! Thanks for participating.

Hello Coders!

The August edition of 101 Hack is here. 5 interesting challenges in 2 hours. The contest commences on Sat, 30 Aug 2014 13:30:00 UTC, 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
Books for individual challenge-leaderboard toppers

Problem Setter
Bidhan

Problem Tester
Gerald

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

GL&HF

Update It has just started guys!! Brace Yourself!!