~/boss / scale-market
One-pass max profit
The Dragon Market
Buy one scale, sell it on a later day. Find the best profit in one walk.
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How to beat it
Walk the days once and carry two numbers: the cheapest price so far and the best profit so far. Each day, ask: if I sold today, what would I make? Today minus the cheapest. Beat the best? Keep it. Cheaper than the cheapest? That's your new buy day.
Now the real boss
Interviews ask for the code. Watch it run, then write it yourself, tested in Python, C++ or Java.
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