April Challenge 2018 Division 2
Chef and Array (Challenge), Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers
May Challenge 2018 Division 2
Xor Again, Dibs on Fibs, Minimum Deletions, Mighty Friend
June Challenge 2018 Division 2
Vision, Sheokand and String, Binary Shuffle, Naive Chef
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Happiness, Chef and Difficult Contests, Appy Loves One, Chef and Ridges, Chef, Primes and Trees (Challenge)
January Challenge 2019 Division 2
Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, (Challenge) Chef and Matching Game, A Pizza Slice
April Challenge 2019 Division 1
Kira Loves Palindromes, Subtree Removal, Playing with Numbers
April Cook-Off 2019 Division 1
Random Game, Pied Piper vs Hooli
October Challenge 2019 Division 1
Even Edges, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS
Exun Programming Prelims 2019 (Rated for all)
Weird Modulo Problem , Tennis Tournament, Chipped Tree, Yet Another Partition Problem
India