December Challenge 2019 Division 2
Plus Multiply, Binary XOR, Easy Subsequence Selection, Sticky Notes, (Challenge) Cubical Virus, That Is My Score!, Addition, Chefina and Ranges
January Challenge 2020 Division 2
English, (Challenge) Building Anthills, Breaking Bricks, Chefina and Prefix Suffix Sums, Equality, Doraemon, Chef and Dynamo
February Challenge 2020 Division 2
Chef and Railway Stations, Expected Change, No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps
ENIGMA - PLINTH'20 LNMIIT (Rated for all)
Minion AND Range, Recruit Villagers
Czech Republic