rafi4203

rafi4203 solved Circle and Square.

rafi4203 participated in Replay of Battle of Brains, 2017.

rafi4203 solved Gutibaji on Chessboard.

rafi4203 participated in Tough Cubs' Contest, December 2016.

rafi4203 solved Event Timing.

rafi4203 participated in Replay of Cybernauts'16 National Programming Contest.

rafi4203 solved Hexagonal Packing.

rafi4203 participated in The Tough Summer Spar 2016.

rafi4203 joined Toph!