November Lunchtime 2014
A wolf, a sheep and cabbage
January Challenge 2015
Chef and A Large Permutation, Chef and Stones, Sereja and Votes, Gcd Queries
February Challenge 2015
Chef and Strange Formula, Chef and Equality, Let us play with rank list, Chef and Chain
March Challenge 2015
Chef and Notebooks, Devu and his Class, Sign Wave
December Challenge 2015
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters
India