October Challenge 2015
Who dares to be a millionaire, Count Subarrays
May Challenge 2017
Chef and Sub Array , Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
January Cook-Off 2018
Multiple of 3, Make array great again, Survive in ChocoLand
March Challenge 2018 DIV 1
Chef and Easy Problem, Mix the Colors, Minions and Voting
March Cook-off 2018 Division 2
Chef Restores a Matrix, Chef Judges a Competition, Chef Restores an Array, Chef Goes to the Cinema
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Pre-Elimination
Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers
SnackDown 2021 - Online Elimination Round (Rated for all)
Graduate Work Matters, Sorting Segments
Poland