Princeton COS 126 Lectures, Spring 2002

COS 126 Lectures, Spring 2002

The following table contains links to the course packet lecture notes, precept notes, and in-class demos.

Lecture Notes

Precept Notes

In-class Demos

I1. Introduction

LFBSR applet

LFBSR demo

Programming

P1. Introduction to C

variables	basic ops
conditions	loops

P2. Arrays

arrays

C code	Insertion sort
Shuffling

P3. Unix

C and Unix code

P4. Structs and Data Types

structs

C code

P5. Abstract Data Types

modular programming

ADTs: stacks and queues

C code	Stack of plates
Stack array	Postfix
PostScript	Queue array

P6. Recursion

functions	recursion
variable scope

C code	Function calls
Recursive sum	Bisection
Hanoi applet

P7. Advanced Recursion

C code	Partitioning
Quicksort	Permutations

Architecture

A1. The X-TOY machine

X-TOY applet

A2. X-TOY Programming and Simulation

A3. Boolean Circuits

A4. Sequential Circuits

sequential circuits

Circuit applet

A5. Building a TOY m

Advanced Programming

P8. Pointers and Linked Lists

pointers	linked lists
pass-by-reference

C code	Pointer
Bad swap	Swap
Static list	Dynamic list

P9. WAR Card Game

C code	Deal
Play

P10. Trees

BSTs

strings

Binary search	BST applet
BST search	BST insert
Preorder	Level order

Theory of Computation

T1. Pattern Matching

grep

10(10)* FSA	acat FSA
grep examples

T2. Turing Machines

FSA

PDA

NFSA 1 (naive)	(systematic)
NFSA to FSA	PDA
NPDA	Turing 1
Turing 2

T3. Computability

computability

PCP contest

PCP checker

T4. Analysis of Algorithms

Insertion sort	Merge
Partition	WinSort

T5. NP-Completeness

NP-completeness

MineSweeper

Special Topics

S1. Cryptology

Crypto history

S2. Artificial Intelligence

8-puzzle

Eliza

Review

R1. Course Review

Course objectives

How to read the files.

Postscript: to view PostScript (.ps) files, go to the Ghostscript home page and download AFPL Ghostscript 7.04 and the PostScript viewer GSview 4.2. Be sure to download the version for your platform (Unix, Windows, DOS, Mac). For Windows systems, download the self-extracting EXE files gs704w32.exe, then gsv42w32.exe.
Acrobat: to view Acrobat (.pdf) files, you can use Acrobat Reader.
Java: to run Java applets, use a browser that supports Java 1.2 or download the Java plug-in.
Powerpoint: to view PowerPoint files (.ppt), use a browser that supports viewing them, or download a free PowerPoint viewer.

Content subject to change.

Any significant changes or corrections to the slides will be noted in the course announcements. You are responsible for the information in the (most up to date) electronic versions.

Credits

The lecture note material was created by Robert Sedgewick and adapted to PowerPoint by Kevin Wayne. The precept notes were written by Lisa Worthington.

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