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username@ide50:~/workspace/pset2 $ ./initials Zamyla Chan ZC username@ide50:~/workspace/pset2 $ . … /initials robert thomas bowden RTB For the same example, your output will look like: username@ide50:~/workspace/pset2 $ . …

Try the example of code = "o" and text = "z": | human expects | computer sees - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - code[0] …

This int l = 'p[i]'; causes l to always have the same value. Which could be anything. Perhaps you meant int l = p[i]; (no tick marks around p[i]). The computer takes this 'p[i]' literally, it does not …

At least one problem: from the example you see that the output is expected to be on one line. $ ./initials Regulus Arcturus Black RAB Reading this code it appears the output would look like …

Remember, that quotes, either single ' or double " must come in matched pairs. This sentence if (s[n] == (''') has only 3 single-quotes '. Since s[n] is a char, the desired char must be enclosed i …

Which number is both less than 0 and greater than 9? No number would ever produce "true". To test a value between 0 and 9, the conditional is: if num >= 0 && num <= 9

One "problem" is that leeted in the replace function is declared as a Variable Length Array (VLA) The key takeaway for me: ...lifetime of a VLA ends when the declaration goes out of scope Change th …

Assumed that the [italic] text is what some user has typed. jharvard@appliance (~/Dropbox/pset2): ./caesar 13 Be sure to drink your Ovaltine! Or fher gb qevax lbhe Binygvar! Emphasis mine. … If you add the printf, your code would output: jharvard@appliance (~/Dropbox/pset2): ./caesar 13 Type text for encryption: Be sure to drink your Ovaltine! Or fher gb qevax lbhe Binygvar! …

It's a contract violation. From man atoi: Name atoi, atol, atoll, atoq - convert a string to an integer Synopsis ..... int atoi(const char *nptr); argv[1][a] is a char not a char * (string). Since a …

From the What's new? in CS50 2017 document: CS50 Library To be more consistent with stylistic conventions in C, we’ve renamed the functions in the CS50 Library as follows: GetChar is now get_char Get …

Looks like l is trending high. It counts every character in the text except the terminating null byte (which never makes it into the loop anyway!). Check out man isalpha to get back on track. This ma …

Recall from Week 2->Walkthroughs->ascii-0 David's discussion of the mapping between numbers and letters. (If you haven't seen it, now would be a good time, and ascii-1 too). The characters '0', '1', . …

tells you what output your program produced: but not "2\n4\n\"\n" The example in the pset instructions is very specific about what the autograder (check50) expects: username@ide50:~/workspace/pset2 … initials robert thomas bowden RTB It looks like your program produced this for the similar test in check50 (which should produce the same output as the example above): username@ide50:~/workspace/pset2 …

It's the thing that makes a string a string. The null terminator. Rewatch a couple of minutes of Week 2, 2nd lecture starting around 9:00. That's where Rob talks about the null terminator ('\0'). This …

First, a warning about your approach. Even though you say "practising", how will your code handle this example "robert thomas bowden" from the spec? What about "john jacob jinglehammer jones"? The co …