August Challenge 2019 Division 2
Encoding, Dilemma, Chef and Gordon Ramsay, Football, Distribute Apples, Zombie and the Caves, Guddu and his Mother
October Challenge 2019 Division 2
Bacterial Reproduction, Phone Prices, Operations on a Matrix, (Challenge) Maximizing LIS, Array Modification, Chef and Maximum Star Value, Missing Number, Even Edges
July Challenge 2020 Division 1
Expected Spanning Trees, Expected Repetitions, Weird Product, Doctor Chef, Chef and Dragon Dens, Chefina and Swaps, LCM Constraints, Missing a Point
August Challenge 2020 Division 1
Smallest KMP, Chef and Wedding Arrangements, Chef Thanos Wants Perfect Balance, Ants (Challenge) , Chefina and Strange Tree, Precious Stones , Subsequence Frequency Counting, Insanely Hard School Exams
September Challenge 2020 Division 1
Chefina and Swap, Ada Matrix, Vibrating Paths (Challenge), Divide Candies, Move the Coins - Creating Tests, Chef and Sums, Rotate the Polyline, Find XOR, Chef and Trump Cards, Move the Coins 2
June Lunchtime 2020 Division 1
Maximum AND, Gold Mining, Square Submatrices
China