August Challenge 2014
The Leaking Robot, Chef and Gift
November Challenge 2014
Distinct Characters Subsequence
January Challenge 2015
Chef and Stones, Sereja and Votes
February Challenge 2015
Chef and Chain, Let us play with rank list, Chef and Equality
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Who dares to be a millionaire
September Lunchtime 2015
Sum of palindromic numbers
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix
April Challenge 2017
Dish Of Life, Bear and Row 01, Similar Dishes
India