July Challenge 2016
Andrash and Stipendium, Chef and Tetris, Chefland and Electricity
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number
May Challenge 2017
Chef and his daily routine, Median of adjacent maximum numbers, Courses in an university
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
January Challenge 2021 Division 3
Fair Elections, Encoded String, Point Of Impact, Chef and Division 3
February Challenge 2021 Division 3
Frog Sort, Team Name, Chef and Meetings, Maximise Function, Highest Divisor
March Challenge 2021 Division 3
Chef and Groups, Space Arrays, No Time to Wait
April Challenge 2021 Division 3
Valid Pair, World Record, Strong Language
July Challenge 2021 Division 3 (Rated)
Maximum Production, Relativity
India