How do I approach Coding & Algorithms interview questions?

Coding & Algorithms questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master coding & algorithms interviews.

What difficulty level is this interview question?

This is a easy difficulty Coding & Algorithms question, commonly asked during Onsite rounds at Google.

What role is this question designed for?

This question is commonly asked for Software Engineer candidates at Google during technical interviews.

Deterministic Task Execution Order

Last updated: Jul 1, 2026

Quick Overview

This question evaluates a candidate's ability to model task dependencies as a directed graph and produce a valid execution order, a core graph algorithms and coding topic. It tests topological sorting combined with tie-breaking logic to select the smallest-label ready task, plus cycle detection when no valid order exists. This is a practical application question commonly used to assess algorithmic problem-solving in coding interviews.