August Challenge 2018 Division 2
Problem Sort, Sheokand and Number, Spell Bob, Modular GCD
October Challenge 2018 Division 2
Appy and Balloons , Minimize Digitsum, Chef and Serves, Byte to Bit, Chef and Circles
August Challenge 2019 Division 2
Dilemma, Zombie and the Caves, Distribute Apples, Football, Encoding, Guddu and his Mother
January Challenge 2020 Division 1
Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums
February Challenge 2020 Division 1
Chef and Gordon Ramsay 2, Long Contest and Cook Off Overlaps, (Challenge) Raisins, Hard Cash, School of Geometry, No Change Required, Expected Change, Chef and Railway Stations, The Theatre Problem
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Ready Bitwise, Leaked Answers (Challenge)
May Challenge 2020 Division 1
Chef and Bitwise Product, Triple Sort
RECode 12.0 (Rated for all)
Chef and String, Chef and Rotation, Chef and Numbers
September Long 2022 Division 2 (Unrated)
Distinct Numbers, Pokemon Battles, Interesting Subarray, Good Pairs
Starters 56 Division 2 (Rated)
K-Subarrays, Maximize Colours
India