March Challenge 2019 Division 2
Chef and a Beautiful Digit, Chef and Number Game
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD
July Challenge 2019 Division 2
Parity Again, Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Zombie and the Caves, Distribute Apples, Football, Guddu and his Mother
September Challenge 2019 Division 2
Easy Fibonacci, Chef and Interesting Subsequences
October Lunchtime 2019 Division 2
Khaled in HIT, Counting Inversions Revisited
February Challenge 2020 Division 2
Expected Change, No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps
India