How to Solve Final Prices With a Special Discount in a Shop Problem
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Final Prices With a Special Discount in a Shop
You are given an integer array prices where prices[i] is the price of the ith item in a shop. There is a special discount for items in the shop. If you buy the ith item, then you will receive a discount equivalent to prices[j] where j is the minimum index such that j > i and prices[j] <= prices[i]. Otherwise, you will not receive any discount at all. Return an integer array answer where answer[i] is the final price you will pay for the ith item of the shop, considering the special discount.
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Understanding the Final Prices With a Special Discount in a Shop Problem
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Problem Statement
You are given an integer array prices where prices[i] is the price of the ith item in a shop. There is a special discount for items in the shop. If you buy the ith item, then you will receive a discount equivalent to prices[j] where j is the minimum index such that j > i and prices[j] <= prices[i]. Otherwise, you will not receive any discount at all. Return an integer array answer where answer[i] is the final price you will pay for the ith item of the shop, considering the special discount.
Final Prices With a Special Discount in a Shop
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Examples
# Example 1
prices = [8,4,6,2,3]
[4,2,4,2,3]
# Example 2
prices = [1,2,3,4,5]
[1,2,3,4,5]
# Example 3
prices = [10,1,1,6]
[9,0,1,6]
Constraints
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Solve Final Prices With a Special Discount in a Shop — You are given an integer array prices where prices[i] is the price of the ith it...
Here's the optimal approach using Array:
Time: O(n) | Space: O(n)
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