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Solution: Best Time to Buy and Sell Stock II

Explore how to use greedy algorithms to solve the Best Time to Buy and Sell Stock II problem. Understand how making local optimal decisions by summing up profits on every price increase can maximize overall returns. This lesson guides you through implementing a linear time solution with constant space, helping you master practical approaches to stock trading problems.

Statement

You are given an integer array, prices, where prices[i] is the price of a stock on the ithi^{th} day.

You may not hold more than one share at a time, and you must sell your stock before you can buy again. However, you can sell and buy the stock multiple times on the same day, as long as you never hold more than one share at any moment.

Find the maximum profit you can achieve by completing as many transactions as you like (i.e., buying one and selling one share of the stock multiple times).

Constraints:

  • 11 \leq prices.length ...