Theory Homework 4
3137 - Data Structures and Algorithms in JAVA
Shlomo Hershkop
Department of Computer Science
Columbia University
Fall 2013
!
Out: Oct 30, 2013
Due: Nov 14, midnight.
!
!
1) Columbia Airlines wants to give first-class upgrades to their to
Theory Homework 1
Honor Data Structures and Algorithms in JAVA (3137)
Shlomo Hershkop
Department of Computer Science
Columbia University
Fall 2013
Out: Monday Sept 16
Due: Monday, Sept 30 (11 pm).
Goal: review recursion, running time, analysis, linked lis
Theory Homework 2
Data Structures and Algorithms in JAVA
Shlomo Hershkop
Department of Computer Science
Columbia University
Fall 2013
Out: Oct 9 2013
Due: Sunday Oct 20, 11pm.
Goal: review stack, list, and trees
1. Suppose you have a linked list with head
Theory Homework 3
Data Structures and Algorithms in JAVA
Shlomo Hershkop
Department of Computer Science
Columbia University
Fall 2013
Out: Oct 9 2013
Due: Oct 27 11pm
1) (12 points) Given input cfw_3471, 3123, 1673, 1499, 3444, 6979, 8989 and a hash
funct
Theory Homework 5
3137 - Data Structures and Algorithms in JAVA
Shlomo Hershkop
Department of Computer Science
Columbia University
Fall 2013
!
Out: Oct 30, 2013
Due: Nov 21, midnight.
!
!
!
!
1) (10) Show the execution of Dijkstra's algorithm from node A
Sample MIDTERM
Honor Data Structures and Algorithms in JAVA
Shlomo Hershkop
Department of Computer Science
Columbia University
Fall 2013
1
DEFINE. Use minimum complete sentences.
1) AVL Property
2) Big O
3) Theta bound
4) ADT
5) Queue
6) Tail Recursion
2
Data Structures Review
Session 1
Ramakrishna, PhD student.
Grading Assistant for this course
CS 307 Fundamentals of Computer Science
1
Java exercises
For the following program, what are the possible
outputs ?
Public class WhatIsX
cfw_
public static void
COMS W3134 Midterm Sample Questions - Spring 2015
March 6, 2015
Name:
UNI:
Total Points:
Time:
Instructions:
Do not turn this page before the official start time!
The exam is closed book, closed notes. Calculators are permitted.
Read the directions for ea
Practice FINAL
Data Structures in Java
Shlomo Hershkop
Department of Computer Science
Columbia University
Fall 2012
Topics which will be covered on the final:
Hashtables, Bloom Filters, Disjointed Sets, Shell sort, Merge Sort, Quick Sort, Graphs
DS, Short
PHYS W1601 Midterm 1: October 8, 2015
General Grading Instructions:
Please let me know ([email protected], or 773-968-6765) as soon as possible if
you find errors in the solutions, or have any questions.
The lead grader should go through every
Collaborating with Git
Because coding is better
with friends
ALTERNATIVES
Alternatives
1. Email a .zip of your project to yourself
and your friends every once in a while
2. (Hackathon only) Everyone works on their
own files and then you put everything in
Solutions to Practice Midterm 1 Problems
2.73.
(a) I DENTIFY : Consider the motion from when he applies the acceleration to when the shot leaves
his hand.
S ET U P : Take positive y to be upward. v0 y = 0, v y = ?, ay = 35.0 m/s2 , y y0 = 0.6
presents
Writing Good Code
Raymond Xu
raymondxu.io
Lucas Schuermann
lvs.io
Code Quality
Just because your code works doesnt
make it good
High quality code is:
correct
efficient
idiomatic
readable
maintainable
Code Style
Design Patterns
Testing
Code S
% Step 3: Shrink the array
train1 = train (:, [2,3,5,6,7,8,10,12]);
% Step 4: Number of missing entries of each feature
fprintf('Entries missing: \n');
for column = 1:8
missingEntryArray = isnan([train1cfw_:,column]);
disp(sum(missingEntryArray);
end
% St
PHYS W1601 Practice Midterm #2: Ch 6-10.4, Nov 12, 2015
Instructions: Answer all four questions. Point allocations for each question are shown in
parentheses. You may answer the questions in any order, but start each problem on a new page.
Be sure to show
Week 8 Recitation Solutions Practice Exam Problems
Practice MT2 #1: 7.42. I DENTIFY : Mechanical energy is conserved since no nonconservative forces do
work on the system. Newtons second law also applies.
!
!
S ET U P : Relate h and vB . Appl
Programming HW 2!
Fall 2013!
Shlomo Hershkop!
3137 Honors Data Structure!
!
!
Out: Oct 30!
Due: Nov 26th (roughly)!
!
Programming Section (50 points)
This project involves the use of a hash table to identify a unknown program whether it is
malicious or no
Programming Homework 3 (120 points)
Data Structures and Algorithms in Java
Shlomo Hershkop
Department of Computer Science
Columbia University
Fall 2013
START EARLYDue Dec 9
!
This assignment can be done in a group of 2, but you need to sketch out EXACTLY
Homework 4
3137 - Data Structures and Algorithms in JAVA
Shlomo Hershkop
Department of Computer Science
Columbia University
Fall 2012
Out: Dec 5, 2012
Due: Dec 12, midnight.
Theory
1) (10) Show the execution of Dijkstra's algorithm from node A in the foll
Programming Homework 2 (60 points)
Data Structures and Algorithms in JAVA
Shlomo Hershkop
Department of Computer Science
Columbia University
Fall 2012
Out Sept 30, 2012
Due: Oct 29, 2012 midnight.
This project
3134 Data Structures
Spring 2013 - Shlomo Hershkop
Lecture 9
Feb 19
Announcements
Reading:
expression trees
BST
AVl Trees
Next time:
Splay trees
Btree
Huffman trees
2
Goal
be comfortable with binary search tree
algorithms
start to think about avl trees
wi
Engineering E2261: Introduction to Accounting and Finance
COLUMBIA UNIVERSITY, School of Engineering and Applied Science
Homework 0.75 Readings and More
0. Understanding the E2261Policies:
Please read these E2261 Policies, then sign below and return this
Theory Homework 1
Data Structures in JAVA (3134)
Shlomo Hershkop
Department of Computer Science
Columbia University
Spring 2013
Out: Thursday Jan 31, 2013
Due: Thursday , Feb 14 (11 pm).
Goal: review recursion, running time, analysis, linked lists.
Theory
3134 Data Structures and Algorithms
Shlomo Hershkop
Lecture 1
Jan 22, 2013
Overview
Today:
Basic overview of the course and objectives
Programming Environment Basics
DS/Java Intro
Goal:
Thing are much easier if everyone knows why they are here,
and what w
3137 Data Structures and Algorithms
Spring 2013 - Shlomo Hershkop
Lecture 2
Jan 24
Announcements
The TAs will be running a recitation on
java review end of next week
if you have questions, please let me
know.I cant teach if you cant ask
questions
Today
Ba
3137 Data Structures and Algorithms
Spring 2013 - Shlomo Hershkop
Lecture 3
Jan 29
Today
Java Wrapup
Exceptions
Interface
iterator
Recursion
Runtime analysis
Reading:
Chapter 1.3 recursion
Chapter 2 Algorithm Analysis
From Last Time
Spam Engine System
pos
3137 Data Structures and Algorithms
Spring 2013 - Shlomo Hershkop
Jan 31
Lecture 4
Announcements
Recursive programming
ADT
Lists
Reading:
Runtime topics in Chapter 2
Chapter 3.1 - 3.3
2
from last time
we discussed a simplied model to
estimate running time
3137 Data Structures and Algorithms
Spring 2013 - Shlomo Hershkop
Lecture 5
Feb 5
Announcements
Make sure you are making progress on hw
Please come speak to myself/TA if you need a
push
will x posted slides with background issue
Reading:
3.3 - 3.5 (list i