CS 61A: Structure and Interpretation of Computer Programs

Congratulations to the winners of the Scheme recursive art contest!

• Featherweight division:

  • 1st Place: I tried
  • 2nd Place: This Should be Blue Because I am Sad I ran Out of Memory
  • 3rd Place: Where has the time gone?

• Heavyweight division:

  • 1st Place: fiat lux
  • 2nd Place: Scheming Music Spiral
  • 3rd Place: v ↦ v^8 + c

Lecture material on the last week of classes won't be tested on the final, but watch it anyway.

• No videos of the last lecture on Friday 12/1; come to class!
• There will be a screencast of the last lecture on bcourses.

Final Exam is 3-6 pm Wednesday 12/13.

• The final study guide and exam information are on the final exam info page.
• Final Exam Review Guerrilla Section 7-9 pm Monday 12/4 in 145/155 Dwinelle and A1 Hearst Annex.
• CSM Final Exam Review Sessions 12-1 PM on Monday 12/4 and Wednesday 12/6 in 150 Wheeler.
• HKN Final Exam Review Session 7-9 PM on Tuesday 12/5 in HP Auditorium (306 Soda Hall).
• Topical Review Sessions in labs and discussions over RRR week, check the weekly schedule Sunday.

Congratulations to the winners of the Scheme recursive art contest!

• Featherweight division:

  • 1st Place: I tried
  • 2nd Place: This Should be Blue Because I am Sad I ran Out of Memory
  • 3rd Place: Where has the time gone?

• Heavyweight division:

  • 1st Place: fiat lux
  • 2nd Place: Scheming Music Spiral
  • 3rd Place: v ↦ v^8 + c

Lecture material on the last week of classes won't be tested on the final, but watch it anyway.

• No videos of the last lecture on Friday 12/1; come to class!
• There will be a screencast of the last lecture on bcourses.

Final Exam is 3-6 pm Wednesday 12/13.

• The final study guide and exam information are on the final exam info page.
• Final Exam Review Guerrilla Section 7-9 pm Monday 12/4 in 145/155 Dwinelle and A1 Hearst Annex.
• CSM Final Exam Review Sessions 12-1 PM on Monday 12/4 and Wednesday 12/6 in 150 Wheeler.
• HKN Final Exam Review Session 7-9 PM on Tuesday 12/5 in HP Auditorium (306 Soda Hall).
• Topical Review Sessions in labs and discussions over RRR week, check the weekly schedule Sunday.

Please complete 3 final surveys:

• Vote for your favorite Scheme Art by Friday 12/8 @ 11:59pm.
• Fill out the 61A final online survey by Friday 12/8 @ 11:59pm.
• Fill out the campus online survey by Sunday 12/10 @ 11:59pm.
• If at least 85% of the class completes each of these three, then everyone who completes the 61A final online survey will receive 1 extra credit point!

Lecture material this week won't be tested on the final, but watch it anyway.

• No videos of the last lecture on Friday 12/1; come to class!
• There will be a screencast of the last lecture on bcourses.

Final Exam is 3-6 pm Wednesday 12/13.

• The final study guide and exam information are on the final exam info page.
• Final Exam Review Guerrilla Section 7-9 pm Monday 12/4 in 145/155 Dwinelle and A1 Hearst Annex.
• CSM Final Exam Review Sessions 12-1 on Monday 12/4 and Wednesday 12/6 in 150 Wheeler.
• Topical Review Sessions in labs and discussions over RRR week, check the weekly schedule Sunday.

Please complete 3 final surveys:

• Vote for your favorite Scheme Art by Friday 12/8 @ 11:59pm.
• Fill out the 61A final online survey by Friday 12/8 @ 11:59pm.
• Fill out the campus online survey by Sunday 12/10 @ 11:59pm.
• If at least 85% of the class completes each of these three, then everyone who completes the 61A final online survey will receive 1 extra credit point!

Lecture material this week won't be tested on the final, but watch it anyway.

• No videos of the last lecture on Friday 12/1; come to class!
• There will be a screencast of the last lecture on bcourses.

Lecture material this week won't be tested on the final, but watch it anyway.

• No videos of the last lecture on Friday 12/1; come to class!
• There will be a screencast of the last lecture on bcourses.

No lab or discussion this week; have a great Thanksgiving!

• There will still be office hours on Monday and Tuesday.

No lab or discussion this week; have a great Thanksgiving!

• There will still be office hours on Monday and Tuesday.

Scheme due Thursday 11/16 @ 11:59pm.

• Submit everything by Wednesday 11/15 @ 11:59pm (one day early) to earn one bonus point.
• You will not be able to revise your code to regain composition points so make sure it follows the Course Composition Guide.

Scheme due Thursday 11/16 @ 11:59pm.

• Submit part II by Tuesday 11/14 @ 11:59pm (worth 1 pt).
• Submit everything by Wednesday 11/15 @ 11:59pm (one day early) to earn one bonus point.

Scheme due Thursday 11/16 @ 11:59pm.

• Submit part I by Thursday 11/9 @ 11:59pm (worth 1 pt).
• Submit part II by Tuesday 11/14 @ 11:59pm (worth 1 pt).
• Submit everything by Wednesday 11/15 @ 11:59pm (one day early) to earn one bonus point.

No lecture or discussion section Friday 11/10 due to Veteran's Day.

• Feel free to attend any other section. See weekly section for section times and staff for the TA.
• The discussion quiz this week still counts for participation points.

Scheme due Thursday 11/16 @ 11:59pm.

• Submit part I by Thursday 11/9 @ 11:59pm (worth 1 pt).
• Submit part II by Tuesday 11/14 @ 11:59pm (worth 1 pt).
• Submit everything by Wednesday 11/15 @ 11:59pm (one day early) to earn one bonus point.

No lecture or discussion section Friday 11/10 due to Veteran's Day.

• Feel free to attend any other section. See weekly section for section times and staff for the TA.

Scheme due Thursday 11/16 @ 11:59pm.

• Submit part I by Thursday 11/9 @ 11:59pm (worth 1 pt).
• Submit part II by Tuesday 11/14 @ 11:59pm (worth 1 pt).
• Submit everything by Wednesday 11/15 @ 11:59pm (one day early) to earn one bonus point.

No lecture or discussion section Friday 11/10 due to Veteran's Day.

• Feel free to attend any other section. See weekly section for section times and staff for the TA.

Scheme due Thursday 11/16 @ 11:59pm.

• Submit part 1 by Thursday 11/9
• Submit part 2 by Tuesday 11/14
• It's long, and there are two extra credit questions, so start early!

Midterm 2 grades are now on Gradescope.

• The exam and solutions are posted.
• Midterm 2 regrade requests are due Sunday 10/29 @ 11:59pm.
• You can talk to your TA, but submit through Gradescope.

Midterm 2 grades are now on Gradescope.

• Exam and Solutions.
• Midterm 2 regrade requests are due Sunday 10/29 @ 11:59pm.
• You can talk to your TA, but submit through Gradescope.

Midterm 2 is 8pm-10pm Thursday 10/19.

• You will receive a seat assignment by email on Wednesday 10/18.
• No lecture on Wednesday 10/18.
• No discussion section on Wednesday 10/18, Thursday 10/19, or Friday 10/20.
• Lecture on Friday 10/20 is a video. (It's really good.)

Homework 8, the Midterm Survey, is due Tuesday 10/17 @ 11:59 pm.

• Remember to submit the passphrase at the end to receive credit!

Midterm 2 is 8pm-10pm Thursday 10/19.

• You will receive a seat assignment by email on Wednesday 10/18.
• No lecture on Wednesday 10/18.
• No discussion section on Wednesday 10/18, Thursday 10/19, or Friday 10/20.
• Lecture on Friday 10/20 is a video. (It's really good.)

Homework 8, the Midterm Survey, is due Tuesday 10/17 @ 11:59 pm.

• Remember to submit the passphrase at the end to receive credit!

Midterm 2 is 8pm-10pm Thursday 10/19.

• Midterm 2 Review Guerrilla Section 7-9 PM Friday 10/13 in 145 Dwinelle, 2060 VLSB, 120 Latimer.
• HKN Midterm 2 Review Session 3-6 PM Sunday 10/15 in 306 Soda.
• CSM Midterm 2 Review Session 8-10 PM Sunday 10/15 in 430 Soda and 306 Soda.
• No lecture on Wednesday 10/18.
• No discussion section on Wednesday 10/18, Thursday 10/19, or Friday 10/20.

The Ants project is due Thursday 10/12 @ 11:59pm.

• Make sure to designate your partner on okpy.org.

Homework 8, the Midterm Survey, is due Tuesday 10/17 @ 11:59 pm.

• Remember to submit the passphrase at the end to receive credit!

Midterm 2 is 8pm-10pm Thursday 10/19.

• Midterm 2 Review Guerrilla Section 7-9 PM Friday in 145 Dwinelle, 2060 VLSB, 120 Latimer.
• HKN Midterm 2 Review Session 3-6 PM Sunday in 306 Soda.
• No lecture on Wednesday 10/18.
• No discussion section on Wednesday 10/18, Thursday 10/19, or Friday 10/20.

The Ants project is due Thursday 10/12 @ 11:59pm.

• Make sure to designate your partner on okpy.org.
• Earn an early submission bonus point for submitting by Wednesday 10/11.

Midterm 2 is 8pm-10pm Thursday 10/19.

• No lecture on Wednesday 10/18.
• No discussion section on Wednesday 10/18, Thursday 10/19, or Friday 10/20.

The Ants project is due Thursday 10/12 @ 11:59pm.

• You can work with a partner and submit only one solution for both of you (recommended).
• Make sure to designate your partner on okpy.org.
• Earn an early submission bonus point for submitting by Wednesday 10/11.

The Ants project is due Thursday 10/12 @ 11:59pm.

• You can work with a partner and submit only one solution for both of you (recommended).
• Find a partner in your section! Then you can ask questions of the same TA.
• Make sure to designate your partner on okpy.org. You can do it now!
• Don't just divide up the problems among you. Solve them together.
• Earn an early submission bonus point for submitting by Wednesday 10/11.
• You can collaborate with your partner over video chat using OK.

Midterm 2 is 8pm-10pm Thursday 10/19.

• If you have a course conflict, fill out this form by Friday 10/6.

The Ants project is due Thursday 10/12 @ 11:59pm.

• You can work with a partner and submit only one solution for both of you (recommended).
• Find a partner in your section! Then you can ask questions of the same TA.
• Make sure to designate your partner on okpy.org. You can do it now!
• Don't just divide up the problems among you. Solve them together.
• Earn an early submission bonus point for submitting by Wednesday 10/11.

Midterm 2 is 8pm-10pm Thursday 10/19.

• If you have a course conflict, fill out this form by Friday 10/6.

The Ants project is due Thursday 10/12 @ 11:59pm.

• You can work with a partner and submit only one solution for both of you (recommended).
• Find a partner in your section! Then you can ask questions of the same TA.
• Make sure to designate your partner on okpy.org. You can do it now!
• Don't just divide up the problems among you. Solve them together.
• Earn an early submission bonus point for submitting by Wednesday 10/11.

Midterm 2 is 8pm-10pm Thursday 10/19.

• If you have a course conflict, fill out this form by Friday 10/6.

Project 2 on Maps due Thursday 9/28 @ 11:59pm.

• Earn an early submission bonus point for submitting by Wednesday 9/27.

Homework 5 due Wednesday 9/27 @ 11:59pm.

• Homework party Monday 9/25 6:30-8:00pm in 247 Cory.
• Remember that homework is graded on effort; no need to copy someone's solution to move_stack to get full credit.
• Historically, students have found some parts of Homework 5 very challenging.

Project 2 on Maps due Thursday 9/28 @ 11:59pm.

• Earn an early submission bonus point for submitting by Wednesday 9/27.

Homework 5 due Tuesday 9/26 @ 11:59pm.

• Homework party Monday 9/25 6:30-8:00pm in 247 Cory.
• Remember that homework is graded on effort; no need to copy someone's solution to move_stack to get full credit.
• Historically, students have found some parts of Homework 5 very challenging.

Project 2 on Maps due Thursday 9/28 @ 11:59pm.

• Earn an early submission bonus point for submitting by Wednesday 9/27.

Project 2 on Maps due Thursday 9/28 @ 11:59pm.

• Earn an early submission bonus point for submitting by Wednesday 9/27.

Homework 4 due Thursday 9/21 @ 11:59pm.

• Homework party Monday 9/18 6:30pm-8pm in 247 Cory.

Project 2 on Maps due Thursday 9/28 @ 11:59pm.

• Earn an early submission bonus point for submitting by Wednesday 9/27.

Midterm 1 on Thursday 9/14 8-10pm in various locations around campus.

• Seat assignments will be emailed to you on Wednesday 9/13.
• Fill out the seating request form by Tuesday 9/12 to request special seating, such as a left-handed desk.
• Covers lecture content through Friday 9/8; Chapter 1 of composingprograms.com except sections 1.6.5 & 1.6.9.

Midterm 1 on Thursday 9/14 8-10pm in various locations around campus.

• Conflict? Fill out the conflict form by Friday 9/8.
• HKN Midterm 1 Review Session on Sunday 9/10 6-9 in 306 Soda.
• CSM Midterm 1 Review Session on Sunday 9/10 8-10pm in A1 Hearst Annex.
• Covers lecture content through Friday 9/8; Chapter 1 of composingprograms.com except sections 1.6.5 & 1.6.9.

Midterm 1 on Thursday 9/14 8pm-10pm in various locations around campus.

• Conflict? Fill out the conflict form by Friday 9/8.
• Midterm 1 Review Guerrilla Section on Friday 9/8 7-8:30pm in 145 Dwinelle and A1 Hearst Annex.
• CSM Midterm 1 Review Session on Sunday 9/10 8-10pm in A1 Hearst Annex.
• Covers lecture content through Friday 9/8; Chapter 1 of composingprograms.com except sections 1.6.5 & 1.6.9.

Hog due Thursday 9/7 @ 11:59pm.

• Earn an early submission bonus point for finishing by Wednesday 9/6 @ 11:59pm.
• Project party 6:30-8:30pm Wednesday 9/6 in 247 Cory.
• Want to see dice? Replace your hog_gui.py file with this updated one: http://cs61a.org/proj/hog/hog_gui.py.
• Want to see correct win rates in Hog Q12? Replace your calc.py file with this updated one: http://cs61a.org/proj/hog/calc.py.

Midterm 1 on Thursday 9/14 8pm-10pm in various locations around campus.

• Conflict? Fill out the conflict form by Friday 9/8.
• Midterm 1 Review Guerrilla Section on Friday 9/8 7-8:30pm in 145 Dwinelle and A1 Hearst Annex.
• CSM Midterm 1 Review Session on Sunday 9/10 8-10pm in A1 Hearst Annex.
• Covers lecture content through Friday 9/8
• Covers Chapter 1 of composingprograms.com except sections 1.6.5 & 1.6.9.

Quiz 1 (Solutions) feedback on Gradescope.

• Looking for more practice and tips? See the Study Guide.

Homework 02 (very short) due Tuesday 9/5 @ 11:59pm.

• Homework/Project party 6:30pm-8pm Monday 9/4 in 271, 273, 275, & 277 Soda.

Hog due Thursday 9/7 @ 11:59pm.

• Earn an early submission bonus point for finishing by Wednesday 9/6 @ 11:59pm.
• Project party 6:30-8:30pm Wednesday 9/6 in 247 Cory.

No lab or lecture on Labor Day (Monday) but we will still have a lab assignment due Friday and lab sections Tuesday and Wednesday.

• There will be no lab check off this week, so feel free to complete lab at home. We will still have staff in lab to help you if you have any questions.
• See piazza for more details.

Hog due Thursday 9/7 @ 11:59pm.

• Earn an early submission bonus point for finishing by Wednesday 9/6 @ 11:59pm.
• Homework/Project party 6:30pm-8pm Monday 9/4 in 271, 273, 275, & 277 Soda.

Info session about CS 47A 1:30pm-2pm Friday 9/1 in 306 Soda (recorded).

• 47A is a self-paced 1-unit alternative to 61A for students who know most of the material already.

Lab section starts this week.

• You should attend the lab that matches your discussion number.
• You do not need to change your CalCentral enrollment in order to attend the lab that matches your discussion.
• You can also attend the lab in which you are enrolled on CalCentral.

61A mixers:

• Monday 8/28 2:30-4pm or Tuesday 8/29 3:30-5pm in 430 Soda.
• Refreshments provided by the undergrad advisors for the EECS & CS majors.

Suggested schedule for this week:

• Monday: Complete Lab 00 and read Homework 01.

  • Want to get started early? Come to the homework party hosted by the course staff on Monday 8/28 6:30-8:00pm in 521 Cory.
• Monday/Tuesday/Wednesday: Attend lab section and complete Lab 01 during section.

• Wednesday/Thursday: Complete and submit Homework 00 and Homework 01.

  • Post on Piazza under the pinned homework post or come to office hours if you want help.
• Thursday/Friday: Attend discussion section and start on the Hog project.

Homework 0 (a survey) and Homework 1 (not a survey) are due Thursday 8/31.

• Come to the homework party hosted by the course staff on Monday 8/28 6:30-8:30pm in 521 Cory.
• Post on Piazza under the pinned homework post or come to office hours if you want help.
• (Most students will want help. Homework is supposed to be challenging.)

Lab section starts next week.

• You should attend the lab that matches your discussion number.
• You do not need to change your CalCentral enrollment in order to attend the lab that matches your discussion.
• You can also attend the lab in which you are enrolled on CalCentral.
• Lab exercises, check-offs, and discussion quizzes are worth points.

61A mixers hosted by the EECS department next week.

• Monday 8/28 2:30-4pm or Tuesday 8/29 3:30-5pm in 430 Soda.
• Hear about resources to help you succeed.
• Find a study group or project partner.
• Refreshments provided by the undergrad advisors for the EECS & CS majors.

Discussion sections begin this week! Please attend the section you signed up for on Cal Central.

• You will be given instructions about lab next week.
• Enrolled students have seating priority over waitlisted students in discussion and lab.

Lab 0 is posted. It's a take-home lab that you should complete before coming to lab next week.

• If you run into trouble, you might have time at the end of discussion this week to get help. Otherwise, get help in lab next week.