July Challenge 2018 Division 2
Reach Equilibrium, No Minimum No Maximum, Magic Set, Strike or Spare
August Challenge 2018 Division 2
Spell Bob, Sheokand and Number, Problem Sort, Modular GCD
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Condition Zero (Challenge), Chef and Adventures, Table Game, Bad Shuffle
November Challenge 2018 Division 1
Good Median, Binary Strings, Magician versus Chef 2, Chef, Primes and Trees (Challenge), Appy Loves One
October Challenge 2018 Division 2
Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit, Chef and Circles
October Challenge 2019 Division 1
Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS
India