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adding output file format

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Jidong Xiao
2024-04-04 20:13:30 -04:00
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hws/09_bplus_trees/README.md
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@@ -47,6 +47,14 @@ When running the above command, your program should print all products whose pri
For all products fall into that price range, sort them based on the rating in a descending order - products with a higher rating being displayed first. If there is a tie, break the tie by prices - products with a lower price being displayed first. If there is still a tie, i.e. two products have the same rating, and have the same price, break the tie by comparing the title of the products, i.e., apply the less than operator (<) to the two titles - both are std::strings, the product whose title is less than the title of the other product should be displayed first. For all products fall into that price range, sort them based on the rating in a descending order - products with a higher rating being displayed first. If there is a tie, break the tie by prices - products with a lower price being displayed first. If there is still a tie, i.e. two products have the same rating, and have the same price, break the tie by comparing the title of the products, i.e., apply the less than operator (<) to the two titles - both are std::strings, the product whose title is less than the title of the other product should be displayed first.
## Output File Format
The output file should display products information similar to what Amazon does, but exactly the same.
![alt text](images/amazon_ice_maker.png "amazon ice maker")
More specifically, your program should print to the output file: the title, the average rating, the number of ratings, the price, and the thumb url - a url which takes you to the thumbnail view image of this product. All of such information can be retrieved from the json file - each line of the json file contains information for one product. When one line contains multiple thumb urls, use the first one.
## Program Requirements & Submission Details ## Program Requirements & Submission Details
In this assignment, you are required to manage products using a B+ tree. There is no other requirement on what data structures you can use and what data structures you can not use. In this assignment, you are required to manage products using a B+ tree. There is no other requirement on what data structures you can use and what data structures you can not use.

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