September Mega Cook-Off 2019 Division 2
Angry Grandfather, Fitness Exercises , Two Groups, Playing with Matches
October Challenge 2019 Division 1
Even Edges, Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
November Challenge 2019 Division 1
Physical Exercise, Chef and Minimum Colouring, From Zero to Infinity, Smallest Beautiful Number
November Lunchtime 2019 Division 1
Planting Trees, Pizza or Broccoli , Compress the List
December Challenge 2019 Division 2
Addition, Plus Multiply, That Is My Score!, (Challenge) Cubical Virus, Binary XOR, Chefina and Ranges, Easy Subsequence Selection
December Lunchtime 2019 Division 2
The Evil Professor, Stupid Machine, Check Algorithm
January Challenge 2020 Division 1
Equality, Breaking Bricks, Chefina and Prefix Suffix Sums, Doofish Matrix, Doraemon, Chef and Dynamo
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, Long Contest and Cook Off Overlaps
ENIGMA - PLINTH'20 LNMIIT (Rated for all)
Minion AND Range, Recruit Villagers
Russia