August Challenge 2018 Division 2
Problem Sort, Sheokand and Number, Spell Bob, Modular GCD
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures
November Challenge 2018 Division 2
Chef and Difficult Contests
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
January Challenge 2019 Division 2
A Pizza Slice, Fancy Quotes, Chef and Modulo Game, Lucky Number Game, Different Neighbours, Yet Another Problem About Sequences, Distinct Pairs
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
May Challenge 2019 Division 2
Where to Build the Roads, Reduce to One, Matches
May Cook-Off 2019 Division 2
Chain Reaction, Recover the Sequence
October Challenge 2019 Division 2
Operations on a Matrix, Phone Prices
January Cook-Off 2020 Division 2
Chef Chick, Exam Cheating, Range AND
Exun Programming Prelims 2019 (Rated for all)
Weird Modulo Problem , Tennis Tournament
India