February Challenge 2014
Longest Common Pattern, Little Elephant and Subarrays, Make Him Happy
March Challenge 2014
Team Split, Binary Tournament, Walk, Maximum number, GCD condition, Little Chef and Numbers, Mike and Stamps
April Challenge 2014
Farmer Feb, Shortest Path in Binary Trees, Divide the Tangerine, Chef and Digits, Cards, bags and coins, Counting Matrices
May Challenge 2014
Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone
August Challenge 2019 Division 1
Guddu and his Mother, Dilemma
China