This technical problem deals with finding a route between two nodes in a directed graph. An example input is given, as well as the desired output.

A.I. Evaluation of the Solution

The candidate's solution is correct and demonstrates a level of completeness. The candidate has correctly implemented a breadth-first search algorithm to find whether there is a route between two nodes in a directed graph.

Evaluated at: 2022-12-11 12:15:32