07. Best Time to Buy and Sell Stock – LeetCode 121 📈 Optimal Single-Pass Strategy

In today’s installment of the LeetCode Top Interview 150 series, we deconstruct one of the most fundamental algorithmic patterns — Best Time to Buy and Sell Stock (LeetCode 121).

This episode walks through a clean, enterprise-grade single-pass strategy that identifies real-time minimum price points and continuously benchmarks potential profit deltas.

What you’ll gain from this walkthrough:
📉 Dynamic Minimum Tracking — continuously identify optimal entry points
📈 Profit Delta Computation — operationalize max-gain detection in O(n)
🚀 Production-Friendly Logic — no extra space, deterministic performance

Whether you're prepping for FAANG interviews or sharpening your algorithmic toolkit, this breakdown equips you with a forward-thinking approach that scales effortlessly across real-world engineering scenarios.

More LeetCode 150 insights coming your way — stay tuned!

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