Questions tagged [pset0]
The "Scratch" problem set assigned at the beginning of the course.
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einstein.py check50 says I am returning '2'
Check50 says I am returning '2' but I do not think this is the case. I have also tried changing the order in which I print/return to see if it is expecting something different the error messages are ...
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0
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Code isn’t reading in Terminal
Ive used mikdir indoor for the folder and code indoor.py for the file. I used cd indoor to set the directory and entered in python indoor.py. All of that was good until testing the code. I’m getting ...
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had the wrong file stucture
I accidentally submitted Project 0 to the wrong file structure and received an email notifying me of the mistake. To rectify the situation, I resubmitted it using submit50. Subsequently, I completed ...
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1
answer
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How to update submit50? (Installed via "pip3 install submit50")
I just installed submit50 using "pip3 install submit50". I tried to submit my indoor voice assignment and I got the message that my version of submit50 is outdated. How can I update ...
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what are the pre requisites for taking the cs50 AI course
can someone please tell me what are the pre-requisites for taking the CS50 AI course?
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Pset0 - error & fatal error
How can I resolve this problem? Is it a library problems?Is there any mistake in setting?
Appreciate before hand!
https://i.stack.imgur.com/NVXxo.png
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1
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Can’t Save Scratch (pset0) to computer
I am unable to save my Scratch program to my computer. I am using Chrome, however, I am using it on an iPad...Has anyone had success saving to your computer on a tablet? If not, is there another way ...
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1
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Complex Scratch Scrips
Just started this course and am working on the problem set. I have found that there are a lot of things that I'd like to do but have never been able to find the right blocks. For example, I want to ...
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scratch submission issue
1.the "download to computer" (in file menu) of scratch does not do anything when I click on it...
2.so I just went to the file option in the safari menu bar and clicked on save as
3.then I get a box ...
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Pset0 - Check50 returns no results
I submitted pset0 this morning and check50 is returning:
Submit50 MurilloGuindani Cs50/2018/x/scratch There are no results to
display.
My account is linked but the courses section displays: "Not ...
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1
answer
495
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How to spawn sprite on random edge axes
In Scratch, how do I spawn a sprite randomly at any point along any of the four edges of the stage?
I have tried using a go to motion block with a pick random operator, but of course this limits the ...
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Trying to submit pset0 and after logging in I get redirected to a blank page
When I click the submit form link (https://forms.cs50.net/2017/x/psets/0) I get redirected to the edx page, and after logging in I get redirected to this: about:blank.
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1
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Not seeing scores after submitting a while ago, what's wrong?
I submitted pset0 and pset1 about a month ago and still no scores. Is this normal or is something wrong?
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2
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Scratch Pset0 Not Graded
I have submitted Psets 0 - 4 and have received my grades for all of them except Pset 0. It's been a few months and my Scratch project still has not been marked. I've been checking my gradebook quite ...
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How do I submit pset0 using cs50 ide (edx course, 2017), or there is another way?
I've submitted psets 1 to 8 through submit50 on the cs50 ide. Now I want to submit pset0 (the Scratch Project). How can I do so?. I'm using the edx cs50 ide of the 2017 course.
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1
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Will i get scores after submitting pset0 scratch project?
I have already submitted the scratch project for cs50 pset0. For other psets i have got scores in the gradebook but for scratch there are no scores , just three dashes ---. Is this generally the case ...
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pset0 scratch how to pause the game
I made my game on scratch but I'm having a few problems.
One of them if that I couldn't make work the pause/play by pressing P.
Also, I think the ball is not bouncing as it should when hitting the ...
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pset0 - Scratch - Problem with sprite turning right
In short
The sheep won't turn right. You can see the project here. (screenshot at the bottom)
https://scratch.mit.edu/projects/75999804/#editor
Longer Story
I went slightly beyond the scope of ...
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1
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Who I can connect if my problem set 0 haven't been graded?
I have submitted 6 problem set from 0-5, but only the problem set 0 haven't been graded. Who should I contact to inform the ungraded problem set?
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1
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Timer does not pause
in scratch my timer is not pausing when red hexagonal icon next to the flag is press. Can anyone tell me what the problem could be?
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1
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Definition of a script
From the instructions for problem set 0:
Your project must have at least three scripts total (i.e., not
necessarily three per sprite).
I have chosen to interpret script as entries starting with ...
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23
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How to move sprite in random positions?
Is anyone still working on problem set 0 ?
I am unable to move my sprite in random positions, can anyone help me with codes ?
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1
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Why does sound begin playing when app launched?
I'm late to the party I know but I'm a retired programmer and I plan to catch up quickly. I've used Scratch to teach Hour of Code and I'm basically familiar with it.But my project is currently ...
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pset 0 submission locked - can I resubmit?
I joined cs50 this week and completed the pset0 assignment. I went to submit and fill out the week 0 survey. I closed the window and now cannot go back. If I try to resubmit I get the following ...
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PSet0 Switch Costume Bug? or Code error
I trying to design an game which works somewhat like a rubix cube. In my app if the A key is pressed the squares in the top row are supposed to move from right to left. So the square in the top right ...
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Greedy outputting 0 or 102394023940
I thought I wrote code that would work for greedy in pset1, but every time I run the program, it either outputs 0 or some super large number. What is the problem?
#include<stdio.h>
#include<...
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PSET0 Question - Scratch Help. How can I get a sprite to bounce around aimlessly inside of a maze?
I'm having trouble getting a mouse to bounce around aimlessly inside of a maze. I created a maze sprite, and I have the mouse constantly moving in the pointed direction at 3 steps. However, while ...
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I have some questions with Scratch.(I am a beginner)
I have some questions now, I don't know how it works.
please teach me these knowledge if you know it, thanks a lot.
this is my first project, I have some questions.
question:
I want to let Tera have ...
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1
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108
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PS0, hexadecimal meaning
I don't understant the third question in PS0:
How do you represent the (decimal) integer 50 in, oh, "hexadecimal," otherwise known as "base-16"? Know that decimal is considered "base-10" (since it ...
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1
answer
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Uploading to http://cs50.edx.org/2015/psets/
hey guys trying to upload files to http://cs50.edx.org/2015/psets/0/ but cannot login .. I logged into edx with my google account and i am having problems.. any ideas ?
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Where can i see my pset0 grades?
It has been 3 days now after I submitted pset0. I received an email that I have successfully submitted pset0, but where could I confirm it o edx and when would I receive my grades? And an I submit ...
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Problems with "when color touches color"
I am currently trying to create a guessing game in Scratch that will play a soundtrack from the game Dark Souls, and you will get two choices (doors) of which boss the music is from. I want it to work ...
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Bug in game of scratch
I have a running project https://scratch.mit.edu/projects/71129428/
the problem is the fish in it stuck sometime and scores keep increase.
I was thinking of an idea that i may need to apply id to ...
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pset0 - sprite movement problems
I'm new to Scratch and have some problems with movement of sprites.
When the sprites move horizontally, it works well.
But, when I try moving them diagonally, it warks only sometimes.
Here's my ...
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1
answer
157
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pset0 how to hide or delete object in Scratch
I'm re-generating a fish object in forever loop, i want to work it as if i sense touch to the fish it should disappear / delete while the original fish keep on generating fishes.
Everything is going ...
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SCRATCH: motions stopped working even after no codes were changed
i have a lioness sprite that after clicking her used to turn 90 degrees to the left - glide northwest - then back 90 degrees to the right - now she just glides to the left without turning - i also ...
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What does it mean "Your project must have at least three scripts total"?
What does it mean "Your project must have at least three scripts total"?
Does it mean three structure of "When GREEN_FLAG clicked and so on..."?
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3
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week0-shorts-threads-example
Am getting an inverted fish after gliding towards one end. Though I used the same code. Kindly get back to me.
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vote
1
answer
318
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How does the grading system work?
I submitted Pset 0 and got a 1 on the far right of the Gradebook. I'm assuming that's not very good. I was wondering how the grading scale worked and if we would get feedback on the Psets.
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Code Posting for all problem sets
Can I submit my code as a turbo c file or its converted notepad file ? There's some problem with the software installation at my side. Please let me know at the earliest !!
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147
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Do we receive feedback for our Psets?
I just submitted Pset0 and wanted to know if I am going to receive grading/feedback/answers soon, or until after the deadline.
Thank you
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http://scratch.mit.edu/ fails to open for me to upload my problem set 0 for the past 4 days
http://scratch.mit.edu/ fails to open for me to upload my problem set 0 for the past 4 days. I had been able to access it before & even registered. It fails on my smart phone & other browser ...
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1
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Accidentally submitted problem set 0 with last page empty
I have very stupid question but I accidentally pressed enter at the end of the problem set 0 with last page empty so I submitted it, so can I do the problem set 0 again or what should I do?
Thanks!
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Does anyone know why I was unable to see the images from problem set 0?
I was working on problem set 0 and I noticed that the images for the questions were not being displayed. Unfortunately I have submitted the problem set without answering those questions.
Does anyone ...
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Looping and calling items in a list
Say, a list containing 5 elements as
1. Apple
2. Banana
3. Cat
4. Dog
5. Elephant
Now how do I call (say) each item in a "LOOP" one after another.
Eg.
{
apple(item1) for 2 sec
banana(...
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1
answer
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PSet 0 Submission Errors
I understand that you have to submit Problem Set 0 to this address, http://cs50.edx.org/2015/psets/0/ . However, when I go to this address it immediately redirects me to this address, https://x.cs50....
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In Scratch "point towards mose pointer" works only when its open in editor
when I click on "see inside"(when editor is open) of the project then only above mentioned operation executes else the respective scratch remains standstill.
What can I do to make it work on project ...
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1
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Why can I not see the images in `pset0`? [closed]
Why can I not see the images on pset0?
I am using Safari - is this the problem? I ended up just answering with option A for all of them.
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Scratch: Broadcasting of messages
Am completely new to programming and trying to experiment a bit with Scratch as part of week 0.
So far lots of fun. But now I am facing a problem:
Aim is to not get eaten by sharks.
I have created ...
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1
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PSet 1 cannot summit (have been trying for two days)
I went to link in the pset instruction:
The following page showed up:
I typed in information, the page was redirected to here:
I don't see any questions awaits. Please help!
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