May Challenge 2015
Set Difference , Chef and new recipe, Devu and binary String
June Challenge 2015
Steady tables, Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
October Challenge 2018 Division 2
Appy and Balloons , Beautiful Bricks, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit
April Challenge 2020 Division 1
Strange Number, Leaked Answers (Challenge)
India