← All problemsSign in

TOLL TREE

Alo! is an intelligent driver (one that drives cars, not hardware). Alo is a prototype of an open-source self-driving vehicle technology and it has been deployed in city 0 for beta testing. Alo will be tested as a courier before ferrying actual passengers. Alo has generated an optimal traversal tree, with city 0 as its root, including all the cities to which a shipment can be transported. A high

HINT LADDERno hints yet
L1 Observation
L2 Technique
L3 Approach
L4 Pseudo-code
🔒
L5 Full solution
L5 unlocks only if you insist twice
solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI

Sign in to chat with the tutor and save your progress.

Sign in to start