The cost of a stock on each day is given in an array, find the max profit that you can make by buying and selling in those days.

Again buy on day 4 and sell on day 6. If the given array of prices is sorted in decreasing order, then profit cannot be earned at all.

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If we are allowed to buy and sell only once, then we can use following algorithm. Maximum difference between two elements. Here we are allowed to buy and sell multiple times. Following is algorithm for this problem.

Find the local minima and store it as starting index. If not exists, return. Find the local maxima. If we reach the end, set the end as ending index. Update the solution Increment count of buy sell pairs 4. Repeat the above steps if end is not reached. The outer loop runs till i becomes n The inner two loops increment value of i in every iteration.

So overall time complexity is O buy sell stock dynamic programming. This article is compiled by Ashish Anand and reviewed by GeeksforGeeks team. Please write comments if you find anything incorrect, or you want to share more information about earn forex trading point topic discussed above. Writing code in comment? Interview Preparation Company Preparation Top Topics Placements Interview Corner Recent Interview Experiences GQ Home Page Quiz Corner LMNs Practice Platform What's New?

Company-wise Problems Topic-wise Problems Subjective Problems Difficulty Level - School Difficulty Level - Basic Exchange rate usd vs british pound Level - Easy Difficulty Level - Medium Difficulty Level - Hard How to pick a difficulty level? Stock Buy Sell to Maximize Profit The cost buy sell stock dynamic programming a stock on each day is given in an array, find the max profit that you can make by buying and selling in those days.

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