June Challenge 2018 Division 2
Two Flowers, Vision, Sheokand and String, Binary Shuffle, Naive Chef
August Challenge 2018 Division 2
Coordinate Compression , Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
December Challenge 2018 Division 1
Colorblind Feast, Chef and Interactive XOR, Edge Addition, Directing Edges, Max and Electrical Panel, (Challenge) Delete DAG
November Challenge 2018 Division 1
Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2, Binary Strings
October Challenge 2018 Division 1
Beautiful Bricks, Coprime Components, Chef and Surprise Chessboard, Appy and Balloons , Minimize Digitsum
September Lunchtime 2018 Division 1
Opposite Cites, Chef Restaurant
October Lunchtime 2018 Division 1
Coloring the Grid, Weird Question
February Challenge 2019 Division 1
Yet Another Tree Problem, Maximize the Tax, Art of Balance, (Challenge) Chef with Orchestra in the Kitchen, Xor Decomposition, Chef and Secret Ingredients, Guess It Right, Manhattan Rectangle
June Challenge 2019 Division 1
Lent Money, Count Arrays, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD, (Challenge) SnackDown 99
Vietnam