PYTHON PROBLEM 351 · Intermediate

Find a valid gas-station start: One valid starting station

Find a station from which one complete circuit is possible.

greedy proof · array · company screengreedy proofarraycompany screen

PROBLEM OVERVIEW

What this Python exercise asks you to practise

This scenario tests find a valid gas-station start. It belongs to the Interview Pattern Synthesis roadmap and uses the greedy proof · array · company screen pattern.

Greedy proof, bit manipulation, and mixed-pattern practice that combines earlier techniques.

COMPLETE WORKSPACE

Learn the plan, trace the logic and run the solution

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SKILL TO CARRY FORWARD

Pattern relevance

This exercise strengthens greedy proof · array · company screen. Be ready to explain the input, the rule, the boundary cases, and why the chosen approach is appropriate.