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Suppose you received a loyalty promotion that lets you purchase one item, valued up to $100,...

Suppose you received a loyalty promotion that lets you purchase one item, valued up to $100, from an online catalog. You want to make the best of the offer. You have a list of all items for sale, some of which are less than $100, some more. Write an algorithm to produce the item that is closest to $100. If there is more than one such item, list them all. Remember that a computer will inspect one item at a time––it can’t just glance at a list and find the best one.

just an algorithm does not have to be coded

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Answer #1

The algorithm will be

  1. Traverse the list and have a variable difference initialized to infinity
  2. for item in list
    • difference = min(difference,abs(getPrice(item)-100))
  3. Now difference will contain the minimum absolute difference between any item's price and $100
  4. Now again traverse the list and output all the items that have this difference
  5. for item in list
    • if getPrice(item)-100 == difference
      • Output item details

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