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DSA Typescriptprogramming~5 mins

Buy and Sell Stocks All Variants in DSA Typescript - Cheat Sheet & Quick Revision

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beginner
What is the main goal in the 'Buy and Sell Stocks' problem?
To find the maximum profit by choosing the best days to buy and sell stocks given their prices over time.
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beginner
In the 'Buy and Sell Stocks I' variant, how many transactions are allowed?
Only one transaction is allowed: buy once and sell once.
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intermediate
What does the 'Buy and Sell Stocks II' variant allow that the first variant does not?
It allows multiple transactions (buy and sell multiple times) to maximize profit.
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advanced
How does the 'Buy and Sell Stocks with Cooldown' variant change the problem?
After selling a stock, you must wait one day before buying again (cooldown period).
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advanced
What is the key difference in the 'Buy and Sell Stocks with Transaction Fee' variant?
Each transaction (buy + sell) incurs a fee that reduces the profit from that transaction.
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In the 'Buy and Sell Stocks I' problem, what is the best strategy to maximize profit?
ABuy at the lowest price and sell at the highest price after it
BBuy and sell every day
CBuy at the highest price and sell at the lowest price
DBuy and hold without selling
Which variant allows unlimited transactions to maximize profit?
ABuy and Sell Stocks with Cooldown
BBuy and Sell Stocks I
CBuy and Sell Stocks II
DBuy and Sell Stocks with Transaction Fee
What does the cooldown period mean in the stock trading problem?
AYou cannot buy and sell on the same day
BYou must wait one day after selling before buying again
CYou cannot sell stocks
DYou must buy stocks every day
How does a transaction fee affect the profit calculation?
AIt reduces the profit by the fee amount per transaction
BIt has no effect
CIt doubles the profit
DIt increases the profit
Which approach is commonly used to solve 'Buy and Sell Stocks with Cooldown'?
AGreedy algorithm
BBinary search
CSorting
DDynamic programming
Explain how to find the maximum profit when only one transaction is allowed.
Think about the lowest price before the current day.
You got /3 concepts.
    Describe how cooldown affects buying and selling decisions in stock trading.
    Consider what happens right after you sell a stock.
    You got /3 concepts.