December Challenge 2018 Division 2
Chef and An Ideal Problem, Chef and Interactive Contests
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
March Lunchtime 2019 Division 2
Testing Robot, Pogo Stick Competition
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
May Challenge 2019 Division 2
Matches, Reduce to One, Where to Build the Roads
Alkhwarizm (Rated for all)
Weirwood Trees, Danny Wants To Know
Code Melange (Rated for all)
Greg and Grid, A Small Array, Max power
India