CS 223 - Spring 2017. 1/18

Welcome to CS 223!

Logical problem of the day

  x = 10;
  x = x++;
  printf("%d", x);

What is the output of the above program?

Lecture 1: Introductory Lecture.

Discussion of

Biography. Hybrid: academia (theory) / industry (practice).
- Yale undergraduate. music major. (studied CS with Alan Perlis)
- Developed computer systems for presidential campaigns and the White House.
- Yale graduate student, M.S., Ph.D., computer science (artificial intelligence)
- Yale Computer Science Department: Assistant Chairman, Assistant Director of the Yale AI Project, Lecturer.
- NYU Stern School of Business, Department of Information Systems, Assistant Professor.
- Wrote three books (T/Scheme, LISP, decision making) - dedicated to Yale alumnae.
- Developed investment and risk technology systems for Wall Street. Sell side (Morgan Stanley), Buy side (INVESCO, Bank of America, Commonfund)
Syllabus,
Note: You will be required to learn UNIX. It is unavoidable. You can't learn to swim without getting wet.

If you're thinking of taking CPSC 223, please do the following.

Complete the online student information sheet.
Sign up for a course account for CPSC 223 on the Zoo: Course account signup. Your course account should be created within one hour or so of signing up.
Start the reading assignment: [Old Reading Assignments]. (Actually, the reading assignments are in the homework, below).
New addition: C In a Nutshell, (2nd edition) Chapters 1-7.
Start the homework assignment: s17h1.v0.
Familiarize yourself with the Zoo computers by attending a (soon-to-be-scheduled) Zoo help session, or with classmates or on your own using How to Use the Computer Facilities or Zoo tutorial, Spring 2014 edition.

Data Structures == Abstractions

CS 223 covers the intersection of the following topics:

Chemistry
Music
Literature
Sculpture
Accounting

One way to think about data structures (as well as computer science itself) is as an abstract representation of knowledge.

C Paradox

I don't think C gets enough credit. Sure, C doesn't love you. C isn't about love--C is about thrills. C hangs around in the bad part of town. C knows all the gang signs. C has a motorcycle, and wears the leathers everywhere, and never wears a helmet, because that would mess up C's punked-out hair. C likes to give cops the finger and grin and speed away. Mention that you'd like something, and C will pretend to ignore you; the next day, C will bring you one, no questions asked, and toss it to you with a you-know-you-want-me smirk that makes your heart race. Where did C get it? "It fell off a truck," C says, putting away the boltcutters. You start to feel like C doesn't know the meaning of "private" or "protected": what C wants, C takes. This excites you. C knows how to get you anything but safety. C will give you anything but commitment. In the end, you'll leave C, not because you want something better, but because you can't handle the intensity. C says "I'm gonna live fast, die young, and leave a good-looking corpse," but you know that C can never die, not so long as C is still the fastest thing on the road

Aspnes' Very Fine CS 223 notes from Spring 2015

2015-01-12
Structure of a C Program
Basic Integer Types

We conclude with a discussion of the simple C program for counting characters in standard input. This is the basis for the first homework assignment. s17h1.v0.

See /c/cs223/hw1/Total.c and /c/cs223/hw1/Makefile

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