September Mega Cook-Off 2018 Division 2
Make a Permutation, ATM Machine
July Challenge 2018 Division 2
Magic Set, Strike or Spare
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
September Challenge 2018 Division 2
Chef and Adventures, War of XORs, Magician versus Chef
October Challenge 2018 Division 2
Minimize Digitsum, Chef and Serves, Byte to Bit, Chef and Circles
September Lunchtime 2018 Division 2
Judging Delay, Chef Restaurant
October Lunchtime 2018 Division 2
Three Friends, Coloring the Grid, Weird Question
February Challenge 2019 Division 2
Manhattan Rectangle, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
February Cook-Off 2019 Division 1
Max Range Queries, Chef and Party
March Cook-Off 2019 Division 2
XOR N-bonacci Sequence, UEFA Champions League
August Cook-Off 2019 Division 2
Chef and Pepperoni Pizza, Chef Drinks Coke
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
India