March Challenge 2018 DIV 2
A Big Sale, Chef and Glove, Mix the Colors
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Judges a Competition
April Challenge 2018 Division 2
Weight of Numbers, Average of Pairs, Workers
July Challenge 2018 Division 2
Magic Set, Strike or Spare
August Challenge 2018 Division 2
Problem Sort, Spell Bob, Sheokand and Number, Modular GCD
September Challenge 2018 Division 2
Magician versus Chef, Chef and Adventures
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
Code Melange (Rated)
The Deadly Sin, Candy Love, XD Subsequences
Encoder (Rated for Division 2)
Knight Chess, Second Largest Element, Paint the Wall
February Challenge 2019 Division 2
Appy and Contest, Deputy Chef, Art of Balance, Chef and Secret Ingredients, Chef and Magical Jars
April Challenge 2020 Division 2
Strange Number, Sell All the Cars, COVID Pandemic and Long Queue
India