January Challenge 2017
Capital Movement, Cats and Dogs, Reservior
February Challenge 2017
Interval Game, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander
April Challenge 2017
Bear and Random Grid, Similar Dishes, Bear and Clique Distances, Bear and Row 01, Dish Of Life, Stable market, Chef and Divisor Tree, (CH) Serejs and Billiards, Chef and Digits
July Challenge 2017
Two Coins, IPC Trainers, Calculator , Servers (Challenge), Tree Expectancy, Pishty and tree, Chef and Sign Sequences, Whats in the Name
January Challenge 2018
Killjee and k-th letter , K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
May Cook-off 2018 Division 2
Secret Recipe, Best Cake Ever
May Challenge 2018 Division 2
Mighty Friend, Change the Signs, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs
October Challenge 2018 Division 1
Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard
August Lunchtime 2018 Division 1
Chef and Eid, Mix Mix Game
India