Interview Mode works best on a desktop. The whiteboard canvas needs space.
Prompt
Design Uber Driver Matching
On a ride request, find the nearest available driver in < 2s. Drivers stream their GPS location every few seconds. Plan for 5M concurrent drivers at peak.
Press enter or space to select a node.You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.