remove style50 stuff, submit instructions, mentions of directories

Author: stgm

caesar/caesar.md

@@ -83,7 +83,7 @@ substituting a valid integer in place of `key`, within [this sandbox](http://bit
 
 Design and implement a program, `caesar`, that encrypts messages using Caesar's cipher.
 
-*   Implement your program in a file called `caesar.c` in a directory called `caesar`.
+*   Implement your program in a file called `caesar.c`.
 *   Your program must accept a single command-line argument, a non-negative integer. Let's call it _k_ for the sake of discussion.
 *   If your program is executed without any command-line arguments or with more than one command-line argument, your program should print an error message of your choice (with `printf`) and return from `main` a value of `1` (which tends to signify an error) immediately.
 *   If any of the characters of the command-line argument is not a decimal digit, your program should print the message `Usage: ./caesar key` and return from `main` a value of `1`.
@@ -243,25 +243,4 @@ Now it's time to tie everything together! Instead of shifting the characters by
 
 Execute the below to evaluate the correctness of your code using `check50`. But be sure to compile and test it yourself as well!
 
-    check50 -l minprog/cs50x/2020/caesar
-
-Execute the below to evaluate the style of your code using `style50`.
-
-    style50 caesar.c
-
-
-## How to submit
-
-As soon as you're done, submit your `caesar.c` implementation, below! 
-
-1. Toward CS50 IDE's top-left corner, within its "file browser" (not within a terminal window), control-click or right-click your `caesar.c` file (that's within your `~/problems/caesar` directory) and then select **Download**. You should find that your browser has downloaded `caesar.c`.
-
-2. Also download `pseudocode.txt`.
-
-3. Make sure you are signed in to **this** website!
-
-4. In the form below, choose the files that you just downloaded.
-
-5. Press "Submit for grading". Presto!
-
-Your program will then again be checked using `check50` and the result will be recorded on this website. Should the check fail unexpectedly, be sure to try if `check50` is still satisfied when you run it in your IDE's Terminal.
+    check50 -l minprog/cs50x/2021/caesar

cash/index.md

@@ -85,13 +85,9 @@ Ultimately, your program should behave per the examples below.
 
 ## Getting Started
 
-First, create a new directory (i.e., folder) called `cash` inside of your `problems` directory, by executing
+To start, you'll create a file called `cash_pseudocode.txt` to help you analyze the problem. You will submit this analysis together with the final implementation in C.
 
-    ~/ $ mkdir ~/problems/cash
-
-To start, you'll create a file called `pseudocode.txt` to help you analyze the problem. You will submit this analysis together with the final implementation in C.
-
-Write in `pseudocode.txt` some pseudocode that implements this program, even if not (yet!) sure how to write it in code. There's no one right way to write pseudocode, but short English sentences suffice. Recall how we wrote pseudocode for finding Mike Smith! Odds are your pseudocode will use (or imply using!) one or more functions, conditions, Boolean expressions, loops, and/or variables.
+Write in `cash_pseudocode.txt` some pseudocode that implements this program, even if not (yet!) sure how to write it in code. There's no one right way to write pseudocode, but short English sentences suffice. Recall how we wrote pseudocode for finding Mike Smith! Odds are your pseudocode will use (or imply using!) one or more functions, conditions, Boolean expressions, loops, and/or variables.
 
 When writing your pseudocode, think of this question:
 
@@ -110,25 +106,4 @@ Does your code work as prescribed when you input
 
 You can also execute the below to evaluate the correctness of your code using `check50`. But be sure to compile and test it yourself as well!
 
-    check50 -l minprog/cs50x/2020/cash
-
-Execute the below to evaluate the style of your code using `style50`.
-
-    style50 cash.c
-
-
-## How to submit
-
-As soon as you're done, submit your `cash.c` implementation, below! 
-
-1. Toward CS50 IDE's top-left corner, within its "file browser" (not within a terminal window), control-click or right-click your `cash.c` file (that's within your `~/problems/cash` directory) and then select **Download**. You should find that your browser has downloaded `cash.c`.
-
-2. Also download `pseudocode.txt`.
-
-3. Make sure you are signed in to **this** website!
-
-4. In the form below, choose the files that you just downloaded.
-
-5. Press "Submit for grading". Presto!
-
-Your program will then again be checked using `check50` and the result will be recorded on this website. Should the check fail unexpectedly, be sure to try if `check50` is still satisfied when you run it in your IDE's Terminal.
+    check50 -l minprog/cs50x/2021/cash

crack/crack.adoc

@@ -39,7 +39,7 @@ zamyla:50cI2vYkF0YU2
 
 Design and implement a program, `crack`, that cracks passwords.
 
-* Implement your program in a file called `crack.c` in a directory called `crack`.
+* Implement your program in a file called `crack.c`.
 * Your program should accept a single command-line argument: a hashed password.
 * If your program is executed without any command-line arguments or with more than one command-line argument, your program should print an error (of your choice) and exit immediately, with `main` returning `1` (thereby signifying an error).
 * Otherwise, your program must proceed to crack the given password, ideally as quickly as possible, ultimately printing the password in the clear followed by `\n`, nothing more, nothing less, with `main` returning `0`.
@@ -71,19 +71,10 @@ ROFL
 
 == Testing
 
-=== Correctness
-
 ----
 check50 -l minprog/cs50x/2020/crack
 ----
 
-=== Style
-
-[source]
-----
-style50 crack.c
-----
-
 == Hints
 
 Be sure to read up on `crypt`, taking particular note of its mention of "salt":
@@ -97,7 +88,7 @@ You'll likely want to put
 
 [source,c]
 ----
-#include <crypt.h>
+#include <unistd.h>
 ----
 
 at the top of your file in order to use `crypt`.

credit/credit.md

@@ -46,7 +46,7 @@ So, validating credit card numbers isn't hard, but it does get a bit tedious by
 
 ## Implementation details
 
-In a file called `credit.c` in a `~/problems/credit/` directory, write a program that prompts the user for a credit card number and then reports (via `printf`) whether it is a valid American Express, MasterCard, or Visa card number, per the definitions of each's format herein. So that we can automate some tests of your code, we ask that your program's last line of output be `AMEX\n` or `MASTERCARD\n` or `VISA\n` or `INVALID\n`, nothing more, nothing less. For simplicity, you may assume that the user's input will be entirely numeric (i.e., devoid of hyphens, as might be printed on an actual card). But do not assume that the user's input will fit in an `int`! Best to use `get_long` from CS50's library to get users' input. (Why?)
+In a file called `credit.c` and write a program that prompts the user for a credit card number and then reports (via `printf`) whether it is a valid American Express, MasterCard, or Visa card number, per the definitions of each's format herein. So that we can automate some tests of your code, we ask that your program's last line of output be `AMEX\n` or `MASTERCARD\n` or `VISA\n` or `INVALID\n`, nothing more, nothing less. For simplicity, you may assume that the user's input will be entirely numeric (i.e., devoid of hyphens, as might be printed on an actual card). But do not assume that the user's input will fit in an `int`! Best to use `get_long` from CS50's library to get users' input. (Why?)
 
 Consider the below representative of how your own program should behave when passed a valid credit card number (sans hyphens).
 
@@ -87,22 +87,3 @@ If your program behaves incorrectly on some inputs (or doesn't compile at all),
 You can execute the below to evaluate the correctness of your code using `check50`. But be sure to compile and test it yourself as well!
 
     check50 -l minprog/cs50x/2020/credit
-
-Execute the below to evaluate the style of your code using `style50`.
-
-    style50 credit.c
-
-
-## How to submit
-
-As soon as you're done, submit your `credit.c` implementation, below! 
-
-1. Toward CS50 IDE's top-left corner, within its "file browser" (not within a terminal window), control-click or right-click your `credit.c` file (that's within your `~/problems/credit` directory) and then select **Download**. You should find that your browser has downloaded `credit.c`.
-
-3. Make sure you are signed in to **this** website!
-
-4. In the form below, choose the file that you just downloaded.
-
-5. Press "Submit for grading". Presto!
-
-Your program will then again be checked using `check50` and the result will be recorded on this website. Should the check fail unexpectedly, be sure to try if `check50` is still satisfied when you run it in your IDE's Terminal.

mario/less/index.md

@@ -81,13 +81,7 @@ How to begin? Let's approach this problem one step at a time.
 
 ## Pseudocode
 
-First, create a new directory (i.e., folder) called `mario` inside of your `problems` directory, by executing
-
-    ~/ $ mkdir ~/problems/mario
-
-Add a new file called `pseudocode.txt` inside of your `mario` directory.
-
-Write in `pseudocode.txt` some pseudocode that implements this program, even if not (yet!) sure how to write it in code. There's no one right way to write pseudocode, but short English sentences suffice. Recall how we wrote pseudocode for finding Mike Smith! Odds are your pseudocode will use (or imply using!) one or more functions, conditions, Boolean expressions, loops, and/or variables.
+Create a new file called `mario_pseudocode.txt`. Write some pseudocode that implements this program, even if not (yet!) sure how to write it in code. There's no one right way to write pseudocode, but short English sentences suffice. Recall how we wrote pseudocode for finding Mike Smith! Odds are your pseudocode will use (or imply using!) one or more functions, conditions, Boolean expressions, loops, and/or variables.
 
 <details markdown="1"><summary markdown="span">Spoiler</summary>
 
@@ -104,7 +98,7 @@ It's okay to edit your own after seeing this pseudocode here, but don't simply c
 
 ## Prompting for Input
 
-Whatever your pseudocode, let's first write only the C code that prompts (and re-prompts, as needed) the user for input. Create a new file called `mario.c` inside of your `mario` directory.
+Whatever your pseudocode, let's first write only the C code that prompts (and re-prompts, as needed) the user for input. Create a new file called `mario.c`.
 
 Now, modify `mario.c` in such a way that it prompts the user for the pyramid's height, storing their input in a variable, re-prompting the user again and again as needed if their input is not a positive integer between 1 and 8, inclusive. Then, simply print the value of that variable, thereby confirming (for yourself) that you've indeed stored the user's input successfully, a la the below.
 
@@ -203,25 +197,8 @@ All that remains now is a finishing flourish! Modify `mario.c` in such a way tha
 
 Execute the below to evaluate the correctness of your code using `check50`. But be sure to compile and test it yourself as well!
 
-    check50 -l minprog/cs50x/2020/mario/less
+    check50 -l minprog/cs50x/2021/mario/less
 
 ### Hint
 
 A space is just a press of your space bar, just as a period is just a press of its key! Just remember that `printf` requires that you surround both with double quotes!
-
-
-## How to submit
-
-As soon as you're done, submit your `mario.c` implementation, below! 
-
-1. Toward CS50 IDE's top-left corner, within its "file browser" (not within a terminal window), control-click or right-click your `mario.c` file (that's within your `problems` directory) and then select **Download**. You should find that your browser has downloaded `mario.c`.
-
-2. Also download `pseudocode.txt`.
-
-2. Make sure you are signed in to **this** website!
-
-3. In the form below, choose the file that you just downloaded.
-
-4. Press "Submit for grading". Presto!
-
-Your program will then again be checked using `check50` and the result will be recorded on this website. Should the check fail unexpectedly, be sure to try if `check50` is still satisfied when you run it in your IDE's Terminal.

population/index.md

@@ -121,23 +121,10 @@ Years: 115
 
 Execute the below to evaluate the correctness of your code using `check50`. But be sure to compile and test it yourself as well!
 
-    check50 -l minprog/cs50x/2020/population
-
-Execute the below to evaluate the style of your code using `style50`.
-
-    style50 population.c
-
+    check50 -l minprog/cs50x/2021/population
 
 ## How to submit
 
-As soon as you're done, submit your `population.c` implementation, below! 
-
-1. Toward CS50 IDE's top-left corner, within its "file browser" (not within a terminal window), control-click or right-click your `population.c` file (that's within your `problems/population` directory) and then select **Download**. You should find that your browser has downloaded `population.c`.
-
-2. Make sure you are signed in to **this** website!
-
-3. Type the names of students that you've worked with on this problem: <input name="form[samengewerkt]" type="text" required>
-
-4. In the form below, choose the file that you just downloaded.
+As soon as you're done, submit your `population.c` implementation, below! Your program will then again be checked using `check50` and the result will be recorded on this website. Should the check fail unexpectedly, be sure to try if `check50` is still satisfied when you run it in your IDE's Terminal.
 
-Your program will then again be checked using `check50` and the result will be recorded on this website. Should the check fail unexpectedly, be sure to try if `check50` is still satisfied when you run it in your IDE's Terminal.
+Type the name of the student you've worked with: <input name="form[samengewerkt]" type="text" required>

readability/index.md

@@ -59,7 +59,7 @@ within [this sandbox](http://bit.ly/2ulEXkw).
 
 Design and implement a program, `readability`, that computes the Coleman-Liau index of the text.
 
-*   Implement your program in a file called `readability.c` in a directory called `~/problems/readability`.
+*   Implement your program in a file called `readability.c`.
 *   Your program must prompt the user for a `string` of text (using `get_string`).
 *   Your program should count the number of letters, words, and sentences in the text. You may assume that a letter is any lowercase character from `a` to `z` or any uppercase character from `A` to `Z`, any sequence of characters separated by spaces should count as a word, and that any occurrence of a period, exclamation point, or question mark indicates the end of a sentence.
 *   Your program should print as output `"Grade X"` where `X` is the grade level computed by the Coleman-Liau formula, rounded to the nearest integer.
@@ -140,7 +140,7 @@ If the resulting index number is 16 or higher (equivalent to or greater than a s
 
 ## Getting Started with Pseudocode
 
-To start, you'll create a file called `pseudocode.txt` to help you analyze the problem. You will submit this analysis together with the final implementation in C.
+To start, you'll create a file called `readability_pseudocode.txt` to help you analyze the problem. You will submit this analysis together with the final implementation in C.
 
 There's no one right way to write pseudocode, but short English sentences suffice. Recall how we wrote pseudocode for finding Mike Smith in lecture. Odds are your pseudocode will use (or imply using!) one or more functions, conditions, Boolean expressions, loops, and/or variables.
 
@@ -184,28 +184,3 @@ Try running your program on the following texts.
 *   `It was a bright cold day in April, and the clocks were striking thirteen. Winston Smith, his chin nuzzled into his breast in an effort to escape the vile wind, slipped quickly through the glass doors of Victory Mansions, though not quickly enough to prevent a swirl of gritty dust from entering along with him.` (Grade 10)
 
 *   `A large class of computational problems involve the determination of properties of graphs, digraphs, integers, arrays of integers, finite families of finite sets, boolean formulas and elements of other countable domains.` (Grade 16+)
-
-Execute the below to evaluate the correctness of your code using `check50`. But be sure to compile and test it yourself as well!
-
-    check50 -l minprog/cs50x/2020/readability
-
-Execute the below to evaluate the style of your code using `style50`.
-
-    style50 readability.c
-
-
-## How to submit
-
-As soon as you're done, submit your `readability.c` implementation, below! 
-
-1. Toward CS50 IDE's top-left corner, within its "file browser" (not within a terminal window), control-click or right-click your `readability.c` file (that's within your `problems` directory) and then select **Download**. You should find that your browser has downloaded `readability.c`.
-
-2. Also download `pseudocode.txt`.
-
-2. Make sure you are signed in to **this** website!
-
-3. In the form below, choose the files that you just downloaded.
-
-4. Press "Submit for grading". Presto!
-
-Your program will then again be checked using `check50` and the result will be recorded on this website. Should the check fail unexpectedly, be sure to try if `check50` is still satisfied when you run it in your IDE's Terminal.

scrabble/index.md

@@ -102,23 +102,9 @@ Your program should behave per the examples below.
 
 Execute the below to evaluate the correctness of your code using `check50`. But be sure to compile and test it yourself as well!
 
-    check50 -l minprog/cs50x/2020/scrabble
-
-Execute the below to evaluate the style of your code using `style50`.
-
-    style50 scrabble.c
+    check50 -l minprog/cs50x/2021/scrabble
 
 
 ## How to submit
 
-As soon as you're done, submit your `scrabble.c` implementation, below! 
-
-1. Toward CS50 IDE's top-left corner, within its "file browser" (not within a terminal window), control-click or right-click your `scrabble.c` file (that's within your `problems/scrabble` directory) and then select **Download**. You should find that your browser has downloaded `scrabble.c`.
-
-2. Make sure you are signed in to **this** website!
-
-3. Type the names of students that you've worked with on this problem: <input name="form[samengewerkt]" type="text" required>
-
-4. In the form below, choose the file that you just downloaded.
-
-Your program will then again be checked using `check50` and the result will be recorded on this website. Should the check fail unexpectedly, be sure to try if `check50` is still satisfied when you run it in your IDE's Terminal.
+Type the name of the student you've worked with: <input name="form[samengewerkt]" type="text" required>