September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
October Mega Cook-Off 2018 Division 2
Binary Nim 2, Ada and the Staircase, Pumping Water
November Cook-Off 2018 Division 2
Truth and Dare, Beautiful Garland
July Challenge 2018 Division 2
Reach Equilibrium, Magic Set, Strike or Spare
August Challenge 2018 Division 2
Sheokand and Number, Spell Bob, Problem Sort, Modular GCD
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures, Bad Shuffle
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Byte to Bit, Chef and Serves, Minimize Digitsum
Encoder (Rated for Division 2)
Knight Chess, Paint the Wall
July Challenge 2020 Division 2
Chef and Card Game, Chef and Strings, Missing a Point, Chefina and Swaps, Ada King
October Challenge 2020 Division 2
Positive AND, Replace for X, Adding Squares, Covid Run, Chef and Easy Queries
September Lunchtime 2020 Division 2
GCD operations, Watermelon
September Lunchtime 2021 Division 2
Balanced and Unique Arrays, Yet another SOD problem
India