May Challenge 2015
Chef and Prime Divisors, Set Difference , Chef and new recipe
June Challenge 2016
Chef And Binary Operation, Chef and Coins Game, Devu and an Array
September Cook-Off 2016
Lazy Jem, The Lost Arithmetic Sequences
March Challenge 2017
Bandwidth of a matrix, (CH) Bear and Sorted Rows, Bear and Extra Number, Xenny and Alternating Tasks, Cooking Schedule, Pishty and birthday
April Challenge 2017
Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
May Challenge 2017
Chef and Sub Array , Chef and Subsequences, Median of adjacent maximum numbers, Blocked websites, Courses in an university, Chef and his daily routine
June Challenge 2017
Pairwise union of sets, A Good Set, Triplets, Chef and the Feast, Chef and Prime Queries, Xenny and Coin Rankings
April Cook-Off 2017
Bear and Shop Trip, Bear and Candies 123, Bear and AB
June Cook-Off 2017
Ada and crayons, SnackUp, Centeroid
March Lunchtime 2017
Bear and Species, Bear and Ladder
April Lunchtime 2017
Bear and Segments, Bear and Segment 01
June Lunchtime 2017
Maximum Unique Segment, Two Numbers
October Challenge 2019 Division 1
Even Edges, Chef and Maximum Star Value, Array Modification
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
