95-771 Data Structure and Algorithms for Information Processing

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Look for frequent updates to the topics, slides and readings.

Week 1: T. January 18, H. January 20
Main Ch. 1,2

Main on Pre and Post Conditions
Basic Big O
Main on OOP
Project 1 : Singly Linked Lists
Project 1 Javadoc (ObjectNode and SinglyLinkedList) after modifications
Project 1 ObjectNode.java prior to modifications
Week 2: T. January 27, H. January 27
Main Ch. 4

Big Theta Video
Big O
Big O (PDF version)
Linked Lists

Week 3: T. February 1, H. February 3
Main Ch. 6,7

N Queens on U-Tube
Main Ch.6,7
Main Ch.9 Binary Search Trees
Project 2: 2d Trees
Sedgewick on Kd Trees
Project 1
Week 4: T. February 8, H. February 10
Main Ch. 9,10

Red Black Tree Video

B-Tree Video

B+ Tree Video
Heaps and B-Trees
Main on Heaps Ch.10
Notes on 2-3 Trees
Red Black Trees

Week 5: T. February 15, H. February 17
Main Ch. 11,14



Floyd Warshall at Wikipedia
Graphs I
Graphs II
Project 3: Graph coloring and Red Black Trees
Red Black Tree Javadoc
Project 2
Week 6: T. February 22, H. February 24
Main Ch. 11,14

Dijkstra Shortest Path
Graphs III (optional)
Graphs IV (optional)

Week 7: T. March 1, H. March 3
Main Ch. 6,7,12

Searching I
Main on Searching Using Hash Tables Ch.11

Project 3
Week 8: T. March 15, H. March 17
Old Midterm exams

Old Midterm Fall 2011

Midterm Spring 2012

Midterm Fall 2013

Midterm Spring 2014

Midterm Fall 2014

Midterm Spring 2015

Midterm Fall 2015

Midterm Spring 2016

Midterm Fall 2016

Midterm Spring 2017

Midterm Fall 2017

Midterm Spring 2018

Midterm Fall 2018

Midterm Spring 2019

Midterm Fall 2019

Midterm Spring 2020

Midterm Fall 2021

Midterm Spring 2022
Traveling Sales Person Problem Project 4
TSP and MST from CLR
Traveling Sales Person Help
Crime Data X Y Lat Lon Pittsburgh 1990
Week 9: T. March 22, H. March 24

Sorting demonstrations
Searching II
Lecture Notes
Main Ch.12
Sorting I
Sorting I (PDF)

Week 10: T. March 29, H. March 31

Data Compression Huffman
Huffman explained
Data Compression LZW
Project 5 LZW Compression
Video File (binary) for compression testing
words.html for text compression testing
shortwords.txt for text compression testing
Project 4
Week 11: T. April 5, T. April 12
Main Chapter 12

Radix sort
Sorting II
Sorting II (PDF)
Radix Sort
Slide Edits
Lecture Notes

Week 12: H. April 14, T. April 19

Finite State Machines

Pushdown Automata

Linear Bound Automata

Turing Machines

Google Doodle Turing Machines
Finite State Machines I
Finite State Machines I (PDF)
Finite State Machines II
Finite State Machines II (PDF)

Project 5 Due Tuesday, April 19
Week 13: H. April 21, T. April 26

The Chomsky hierarchy

P versus NP problems
Finite State Machines III
Finite State Machines III (PDF)
NP-Complete Languages

Week 14: H. April 28

Review for Final
Example Final Exam Question

Week 15: Final Exam Week April 2 thru April 6 Time: TBA

Last Update: January 2022