October Challenge 2015
Count Subarrays, Who dares to be a millionaire
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
July Challenge 2016
Andrash and Stipendium, Chef and Tetris, Chefland and Electricity
September Challenge 2016
Chef and digits of a number, Chef and calculation, Faded Palindromes
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