December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Sum and GCD
June Lunchtime 2019 Division 2
Magda and Silly Pairs, Ping Paja Pong
October Challenge 2019 Division 2
Even Edges, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
October Lunchtime 2019 Division 2
Khaled in HIT, Box Game, Counting Inversions Revisited
November Cook-Off 2019 Division 2
The Biggest Restaurant, Signature, Chef Diet
India