November 2010 Challenge
Randomly Testing Circuits
June Challenge 2012
Little Elephant and Candies, Doom Bakes Cakes, Arranging Cup-cakes
August Challenge 2012
Delivery Boy, Range of Data, Lucky Driving, Little Elephant and Bombs
July Cook-Off 2012
Ciel and Receipt, Ciel and Map, Ciel and Tomya
November Challenge 2012
Coin Flip, Sridhar Likes Travelling
August Challenge 2015
Gravity Guy, Aditi and Magic Trick, Cooking Machine, Devu And Churu , Way Out
October Challenge 2018 Division 1
Appy and Balloons , Minimize Digitsum, Chef and Surprise Chessboard
September Lunchtime 2018 Division 2
Judging Delay, Opposite Cites, Chef Restaurant , Match the Streams
July Challenge 2019 Division 2
Guess the Prime!, Parity Again, Codechef War, Circular Merging, Minimum and Maximum, Chef and Mean
Croatia