# BFS vs DFS Interview

Quick interview notes for practicing bfs vs dfs interview.

## Core idea
Write the approach out loud first, then code. Prefer clear invariants over clever one-liners.

## Checklist
1. Restate constraints and examples
2. Name the data structure and why
3. State time and space complexity
4. Walk one edge case before submitting

## Practice tip
Time-box a dry run, then compare with an optimal solution. Track misses in a personal error log.

## Tooling
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