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: W. September 1
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: W. September 8
Main Ch. 4

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

Week 3: W. September 15
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: W. September 22
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: W. September 29
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: W. October 6
Main Ch. 11,14

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

Week 7: W. October 13
Main Ch. 6,7,12

Searching I
Main on Searching Using Hash Tables Ch.11

Project 3
Week 8: W. October 20
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
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: W. October 27

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

Week 10: W. November 3

Data Compression Huffman
Huffman explained
Data Compression LZW

Thursday Midnight Project 4
Week 11: W. November 10
Main Chapter 12

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

Week 12: W. November 17

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)

Week 13: W. December 1

The Chomsky hierarchy

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

Week 14: W. December 8

Review for Final
Example Final Exam Question


Last Update: August 2021