Best Time to Buy and Sell Stock II: step-by-step visual explanation
Learn the Best Time to Buy and Sell Stock II problem with a step-by-step DSA animation. Follow the DP on Stocks solution with synced C#, Python, and Java code.
DP on Stocks pattern
The state includes the day and whether a stock is held. Some versions also track transactions, cooldown, or a fee.
Difficulty: Medium · Approach: Save each smaller answer once
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