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Problem : You are given an array prices where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by choosing a single day to buy one stock and choosing a different day in the future to sell that stock. Return the maximum profit you can achieve from this transaction. If you cannot achieve any profit, return 0. Solution…
Problem: You are given an integer array nums and an integer k. Find the maximum subarray sum of all the subarrays of nums that meet the following conditions: The length of the subarray is k, andAll the elements of the subarray are distinct.Return the maximum subarray sum of all the subarrays that meet the conditions….
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Sliding window technique is used to reduce the use of nested loops and replace it with a single loop, thereby reducing the time complexity. Hand written notes