July Challenge 2017
Whats in the Name, Calculator , IPC Trainers, Chef and Sign Sequences
April Challenge 2018 Division 2
Chef and Array (Challenge), Vaibhav and Ministers, Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers
July Challenge 2018 Division 1
Gears, No Minimum No Maximum, Chef and War with Taran (Challenge), Tom and Jerry, Picking Fruit for Chefs, Pizza Delivery, Reach Equilibrium
August Challenge 2018 Division 1
Coordinate Compression , Modular GCD, Princess and Dragons, Interactive Matrix, Lonely Cycles
September Challenge 2018 Division 2
War of XORs, Bad Shuffle, Table Game, Chef and Adventures, Magician versus Chef, AND Square Subsegments
October Challenge 2018 Division 1
Walk on Tree, Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, Coprime Components, Distinct Rows in Submatrices
China