December Cook-Off 2017
Football Match, Beautiful Array
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, Partition the numbers
January Lunchtime 2018
Chef and Game with Sequence
February Challenge 2018
Car-pal Tunnel, Permutation and Palindrome, Akanksha and End of Semester, Chef And The Patents, Chef And His Characters
March Challenge 2018 DIV 2
Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas
July Cook-Off 2018 Division 2
OR Matrix, Encoding Message
April Challenge 2018 Division 2
Weight of Numbers, Workers
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
July Challenge 2018 Division 2
Strike or Spare, No Strings Attached, Magic Set, No Minimum No Maximum
Dementia (Rated for Division 2)
Strings, Chef and Replication
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
Dementia 2019 (Rated for Division 2)
When to take medicine, Maximum Scoring Position
India