May Challenge 2015
Chef and Prime Divisors, Set Difference , Chef and new recipe, Devu and binary String
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons
March Challenge 2017
Pishty and birthday, Bandwidth of a matrix, Bear and Extra Number, Xenny and Alternating Tasks, Cooking Schedule
April Challenge 2017
Chef and Digits, Bear and Random Grid, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
India