adding hw3 and move old hw3 to old hw folder

hws/03_amazon_prime/README.md

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+# Homework 3 — Completing a Simple Amazon Prime Video Recommendation System
+
+In this assignment you will complete the implementation of a simple recommendation system called New York Recommender. Your program will mimic some behaviors of the Amazon Prime Video Recommendation System. Please read the entire handout before starting to code the assignment.
+
+## Learning Objectives
+
+- Practice managing dynamic memory.
+- Practice using arrays.
+<!--- Practice overloading operator<<, and understand why it is a bad idea to make it a member function.-->
+
+## Background
+
+Amazon Prime Video recommends movies and tv shows to prime users.
+
+## Specification
+
+## Input Files
+
+## Commands to Support
+
+## Program Requirements & Submission Details
+
+In this assignment, you are NOT allowed to use std::vector anywhere in your code. You must use dynamic memory to store the movie rating matrix, and the show rating matrix.
+
+Use good coding style when you design and implement your program. Organize your program into functions:
+don’t put all the code in main! Be sure to read the [Homework Policies](https://www.cs.rpi.edu/academics/courses/spring24/csci1200/homework_policies.php) as you put the finishing touches on your solution. Be sure to make up new test cases to fully debug your program and don’t forget
+to comment your code! Use the provided template [README.txt](./README.txt) file for notes you want the grader to read.
+You must do this assignment on your own, as described in the [Collaboration Policy & Academic Integrity](https://www.cs.rpi.edu/academics/courses/spring24/csci1200/academic_integrity.php) page. If you did discuss the problem or error messages, etc. with anyone, please list their names in your
+README.txt file. 
+
+**Due Date**: 02/08/2024, Thursday, 22:00pm.
+
+## Rubric
+
+14 pts
+
+ - README.txt Completed (3 pts)
+   - One of name, collaborators, or hours not filled in. (-1)
+   - Two or more of name, collaborators, or hours not filled in. (-2)
+   - No reflection. (-1)
+ - OVERALL CLASS DECLARATION & IMPLEMENTATION AND CODING STYLE (Good class design, split into a .h and .cpp file.  Functions > 1 line are in .cpp file.  Organized class implementation and reasonable comments throughout. Correct use of const/const& and of class method const. ) (6 pts)
+   - No credit (significantly incomplete implementation) (-6)
+   - Putting almost everything in the main function. It's better to create separate functions for different tasks. (-2)
+   - Improper uses or omissions of const and reference. (-1)
+   - Function bodies containing more than one statement are placed in the .h file. (okay for templated classes) (-2)
+   - Functions are not well documented or are poorly commented, in either the .h or the .cpp file. (-1)
+   - Overly cramped, excessive whitespace, or poor indentation. (-1)
+   - Poor file organization: Puts more than one class in a file (okay for very small helper classes) (-1)
+   - Poor choice of variable names: non-descriptive names (e.g. 'vec', 'str', 'var'), single-letter variable names (except single loop counter), etc. (-2)
+   - Uses global variables. (-1)
+   - Contains useless comments like commented-out code, terminal commands, or silly notes. (-1)
+ - DATA REPRESENTATION (Must use dynamic memory for the implementation.) (5 pts)
+   - No credit (significantly incomplete implementation). (-5)
+   - Does not use dynamic memory. (-5)
+   - Uses std::vector anywhere in the code. (-5)
+   - Member variables are public. (-2)
+<!-- - OUTPUT OPERATOR OVERLOADING (2 pts)
+   - Does not overload the output (&lt;&lt;) operator. (-2)
+   - Incorrect syntax (wrong return type, wrong arguments). (-1)
+-->

hws/03_amazon_prime/README.txt

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+HOMEWORK 3: Amazon Prime Recommendation
+
+
+NAME:  < insert name >
+
+
+COLLABORATORS AND OTHER RESOURCES:
+List the names of everyone you talked to about this assignment
+(classmates, TAs, ALAC tutors, upperclassmen, students/instructor via
+LMS, etc.), and all of the resources (books, online reference
+material, etc.) you consulted in completing this assignment.
+
+< insert collaborators / resources >
+
+Remember: Your implementation for this assignment must be done on your
+own, as described in "Academic Integrity for Homework" handout.
+
+
+ESTIMATE OF # OF HOURS SPENT ON THIS ASSIGNMENT:  < insert # hours >
+
+
+MISC. COMMENTS TO GRADER:
+(optional, please be concise!)
+
+
+## Reflection and Self Assessment
+
+Discuss the issues you encountered during development and testing. What
+problems did you have? What did you have to research and learn on your
+own? What kinds of errors did you get? How did you fix them?
+
+What parts of the assignment did you find challenging? Is there anything that
+finally "clicked" for you in the process of working on this assignment? How well
+did the development and testing process go for you?
+
+< insert reflection >