October Cook-Off 2014
Walk on the Axis, The Army
November Challenge 2014
Distinct Characters Subsequence, Let us construct palindrome
January Challenge 2015
Chef and A Large Permutation, Gcd Queries, One Dimensional Kingdoms, Sereja and Votes, Chef and Stones, Sereja and Number Division 2
February Challenge 2015
Chef and Chain, Chef and Equality, Let us play with rank list, Chef and Strange Formula
March Challenge 2015
Chef and Notebooks, Devu and his Class
April Challenge 2015
Count Sequences, Chef and Interview, Broken Telephone, Inversion sorting, Division of Lands, Chef and Piano Scales
May Challenge 2015
Devu and binary String, Chef and Cake, Chef and new recipe, Chef and Prime Divisors, Set Difference
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
October Challenge 2015
Count Subarrays, Who dares to be a millionaire, Spheres
June Cook-Off 2015
Longest non regular parentheses sub-sequence, Strange operations
July Cook-Off 2015
Cops and the Thief Devu, Maximize Disjoint Pair Sum
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
February Challenge 2016
Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective
June Lunchtime 2016
Collisions, One more weird game
India