CS 136: Elementary Algorithm Design and Data Abstraction, Spring 2020


Assignments will become available as the course progresses. See the calendar for more details.

Marmoset Test System

All assignments must be submitted to the Marmoset Submission and Testing Server. Submissions are tested immediately, and public test results are available online.

Procedures and Purpose

The purpose of assignments is to give you exercise in the concepts and skills discussed in lecture. The point is not to earn marks by any means possible; marks are a consequence of the understanding gained through practice. Please read the section below on plagiarism, including the linked UW Policies. These apply to every course you will take at UW, and you should be familiar with them.

Assignments must be submitted by 9:00 pm on the day they are due, unless otherwise specified in the assignment itself. You may submit as often as you wish, and only your best submission counts.

Additional Notes

You are only allowed to use the data types discussed in the lecture slides or provided in an assignment. You are allowed to modify structures as is appropriate for a question (as outlined by the question). Questions are designed to present students with specific challenges. It is a violation to use other data types in order to circumvent the obstacle the problem presents. In many cases, Marmoset will not catch these violations or inform you of the violation. However, we may look at your code manually (such as when handmarking assignments). If you are found to be in violation, then your mark for that question will be adjusted appropriately (most likely the adjusted mark will be 0 for the question in violation).

Bonus questions are NOT to be discussed on Piazza.

Frequently Asked Questions

Here is a list of some FAQs, please read this document before sending a request or making a Piazza post.

Late Policy

In CS136, assignment submissions and late policies may differ with each assignment. You should be reading the policy for each assignment carefully and submit a request to course staff if there is any confusion.

Extensions will only be granted if Marmoset is down for a significant period of time immediately prior to the submission deadline. If Marmoset fails to accept submissions for more than two of the six hours immediately prior to the deadline, or is down at the deadline, a 12-hour extension will be granted. For an extension to be granted, Marmoset must fail to accept submissions. Failure or delay in displaying results is not grounds for extension.

It is bad practice, and risky, to rely on Marmoset as your primary means of testing. The failure must be due to problem with Marmoset or a widespread network failure; your home connection is your own responsibility.

Remark Requests

Remark requests will only be accepted up to two weeks from the release of the assignment mark. Please carefully read through the comments made by the marker on MarkUs before sending a remark request.

If you believe the hand-marked portion (style and efficiency) was marked incorrectly, you may submit a remark request using the request system. We will not accept remark requests for the Marmoset tests unless the test itself was written incorrectly (i.e. we will not be able to process requests that ask for an extension / accept late submissions / award partial marks for some tests you failed on Marmoset).

Second Chance Policy

Under certain situations, we may give a second chance for some questions in an assignment. Please check Piazza frequently for the announcement. Second chance is not considered an extension and the final mark for the specific question is calculated as max(original on-time submission mark, average(original on-time submission, second chance mark)).

Missed work due to illness

With appropriate and authorized documentation, assignment work may be excused. If a missed assignment is excused, its weight is distributed over the remaining un-excused assignments. In the interest of understanding the course material for future assignments and exams, students who miss work are encouraged to complete the missed work as soon as possible and submit their attempt to an ISA with a request for feedback.

Assignments are a key component of this course, and you are expected to complete them all. Exceptions may be granted in the case of illness or other extenuating circumstances (if you need such an exception, ask your instructor, and be aware that you may be required to provide documentation). However, no more than three of the assignments may be excluded from the final grade, regardless of your circumstances. If your circumstances are such that this level of accommodation is insufficient, consult an academic advisor to discuss your options.

CS 136 Plagiarism Policy

Assignment questions will be colour-coded as either "Black" or "Gold" to indicate if collaboration is permitted.

For "Black" questions, moderate collaboration is permitted. You may not show your code but you may discuss your code with individuals, but not online (e.g. Piazza, Facebook, GitHub, etc.) or electronically (emailing, transferring files, etc.)

You may also discuss assignment strategies openly (including online). You can also search the Internet for strategies and code examples for Black questions. You must clearly identify the source of your work, and the level of collaboration in detail. For example:

  • Bob and I discussed our strategy for this question.
  • Bob helped me figure out where I had a problem in my program.

For "Gold" questions, no collaboration is permitted. All work for Gold questions is to be done individually. You are not allowed to discuss assignment question implementations, ideas for a solution, or code. Only clarification on what an assignment question is asking is permitted (through Piazza or office hours). All work submitted must be your own (including test cases). If you find yourself stuck, contact the ISA or instructor for help instead of getting the solution from someone else. When trying to deal with difficulties, do not copy from the book or any web sources unless explicitly authorized to do so. After the assignment is complete, you may discuss your solutions (including showing your code and/or test cases) for Gold questions with other students unless it is directly related to content on a current assignment. However, you may not give copies of your solutions to other students or make your solutions publicly available.

The penalty for plagiarism is an assigned mark of zero on the assignment question(s) or test and a deduction of 5% from the final course grade, consistent with School of Computer Science and Faculty of Mathematics policy. In addition, a letter detailing the offense is sent to the Associate Dean of Undergraduate Studies, meaning that subsequent offenses will carry more severe penalties, up to suspension or expulsion. To avoid inadvertently incurring this penalty, do not copy work from anyone or anyplace. MOSS (Measure of Software Similarities) is used in this course as a means of comparing students assignments to ensure academic integrity.

University of Waterloo Academic Integrity Policy

See here.
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Last modified on Tue, 01 September 2020, at 10:00.