Coding (Algo)

Critical Service Links

Algorithm: Depth first search Difficulty: Hard Time: 65 minutes

Goal

Return every bridge edge by its original input index.

What this task practices

Critical Service Links is a coding (algo) interview exercise that trains prompt interpretation, explicit assumptions, a concrete response, and a clear explanation of tradeoffs. The catalog marks it as hard difficulty. It focuses on Technical Reasoning, Testing, Validation. The signed-in workspace provides the tools for the round and evaluates the attempt against task-specific criteria. Reference solutions, hidden checks, evaluator instructions, and candidate work remain private.