October Cook-Off 2014
Walk on the Axis, The Army
November Challenge 2014
Distinct Characters Subsequence
January Challenge 2015
Sereja and Number Division 2, Chef and Stones, Sereja and Votes, Gcd Queries
January Cook-Off 2015
Suraj goes shopping, Tojo hates probabilities
February Challenge 2015
Chef and Chain, Let us play with rank list, Chef and Equality
April Challenge 2015
Chef and Interview, Broken Telephone
May Challenge 2015
Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons
India