... ArrayList, and
Collection classes to the Stack and Queue classes and to the HashTable and
the SortedList classes. The datastructuresand algorithms student can now see
how to use a data structure ... Introduction to
Collections, Generics,
and the Timing Class
T
his book discusses the development and implementation of data structures
and algorithms using C#. The datastructures we use in this book ... need to know and
understand. Given this, there is no formal analysis of the datastructures and
algorithms covered in the book. Hence, there is not a single mathematical
formula and not one mention...
... (cont.)
<ErrorCode> Push (val DataIn <DataType>)
Pushes new data into the stack.
Pre DataIn contains data to be pushed.
Post If stack is not full, DataIn has been pushed in;
otherwise, ... Array)
Linked Implementation: linked stack.
11
Push data into a Linked Stack
1. Allocate memory for the new node and set up data.
2. Update pointers and count:
• Point the new node to the top node. ... Algorithm (cont.)
<ErrorCode> Push (val DataIn <DataType>)
// For Linked Stack
1. Allocate pNew
2. If (allocation was successful)
1. pNew-> ;data = DataIn
2. pNew->link = top
3. top =...
... of data, and
which data need to be
push into the stack?
Goal Seeking (cont.)
Tasks depend on each goal seeking problem:
Determine what kind of data included in graph (format for nodes and ... or all solutions, if exists.
Two of 92 solutions of Eight Queens Problem
36
What kind of data, and which data need to be push into the stack?
Usage of an ADT’s Object
In some compilers,
- When ... any solution or all solutions, if exists.
32
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
What kind of data, and which data need to be push into the stack?
Priority of operators
Priority of the operators associated...
... 2008
Cao Hoang Tru
CSE Faculty - HCMUT
Pseudorandom
Pseudorandom
Number Generator
Key
Random
Number
Modulo
Division
Address
y = ax + c
For maximum efficiency, a and c should be prime numbers
40
01 December ... 560010 → 66
Spreading the data more evenly across the address space
32
01 December 2008
Cao Hoang Tru
CSE Faculty - HCMUT
Collision Resolution
• Secondary clustering: data become grouped
along ... Linked list resolution
• Bucket hashing
27
01 December 2008
Cao Hoang Tru
CSE Faculty - HCMUT
Pseudorandom
• Example:
Key = 121267 a = 17 c = 7 listSize = 307
Address = ((17*121267 + 7) MOD 307 + 1
=...
... predecessor
dataIn contains data to be inserted
Post data have been inserted in sequence
Return true if successful, false if memory overflow
Insert Node
Allocate memory for the new node and set up data
Point ... NULL;
}
Node(
ItemType
data) {
Slide 14Faculty of Computer Science and Engineering – HCMUT
Node(
ItemType
data) {
this-> ;data = data;
this->next = NULL;
}
ItemType data;
Node<ItemType> *next;
};
Nodes – ... Node();
r-> ;data = 10;
q->next = r;
cout<< p->next-> ;data;
r
10
Insert Node Algorithm
1 allocate(pNew)
2 if (memory overflow)
1 return false
3 pNew -> data = dataIn
4 if (pPre...
... same
calculations over and over.
The amount of time used by the recursive function to
calculate F
n
grows exponentially with n.
Simple iteractive program: starts at 0 and keep only three
variables, ... Programmers must look at the big picture and leave the detailed
computations to the computer.
28
Subprogram implementation
5
Print List in Reverse
19
Recursion
14
Tree and Stack frames of function calls
6
Designing ... Simple iteractive program: starts at 0 and keep only three
variables, the current Fibonacci number and its two
predecessors.
39
Subprogram implementation
4
Fibonacci Numbers
34
Factorial: A recursive...
... (heap is not full) AND (more data in listOfData)
1. listOfData.Retrieve(count, newData)
2. data[ count] = newData
3. ReheapUp( count)
4. count = count + 1
3. if (count < listOfData.Size() )
1. ... current_position is exists) AND
(parent.key > DataIn .key)
1. data[ current_position] = parent
2. current_position = position of parent
3. data[ current_position] = DataIn
4. count = count + ... Chapter).
23
Build heap
Algorithm BuildHeap2 ()
Builds a heap from an array of random data.
Pre Array of count random data.
Post Array of data becames a heap.
Uses Recursive function ReheapDown.
1. position...
... make room.
Pre node is pointer to node to contain data.
newEntry contains data to be inserted.
entryNdx is index to location for new data.
Post data have been inserted in sequence.
1 shifter = ... Trees
• Each node has m - 1 data entries and m subtree
pointers.
• The key values in a subtree such that
:
– >= the key of the left data entry
– < the key of the right data entry.
K
1
K
2
K
3
keys ... (val root <pointer>, val data <record>)
Inserts data into B-tree. Equal keys placed on right branch.
Pre root is a pointer to the B-tree. May be null.
Post data inserted.
Return pointer...
...
http://www.ourstillwaters.org/stillwaters/csteaching/DataStructuresAndAlgorithms/mf1202.htm (2 of 40) [1.7.2001 18:58:59]
Data Structuresand Algorithms: Table of Contents
Data Structuresand Algorithms
Alfred V. Aho, ... input, and not
http://www.ourstillwaters.org/stillwaters/csteaching/DataStructuresAndAlgorithms/mf1201.htm (15 of 37) [1.7.2001 18:58:22]
Data Structuresand Algorithms: CHAPTER 1: Design and Analysis ... possible.
http://www.ourstillwaters.org/stillwaters/csteaching/DataStructuresAndAlgorithms/mf1201.htm (14 of 37) [1.7.2001 18:58:22]
Data Structuresand Algorithms: CHAPTER 1: Design and Analysis of Algorithms
w of newclr and examine the...
... examples of data structure and algorithm analysi
s.
• We enhanced consistency with the C++ Standard Template Library (STL).
• We incorporated STL datastructures into many of our data structures.
• ... study of datastructuresand algorithms.
We feel that the central role of data structure design and analysis in the curriculum
is fully justified, given the importance of efficient datastructures ... classroom. For example, Dr. Goodrich has taught data structures
and algorithms courses, including DataStructures as a freshman-sophomore level
course and Introduction to Algorithms as an upper-level...
... areasofproblemsolving,datastructures,
programdevelopment,andalgorithmanalysis. Students needtimeandpracticeto
understand general methods. By combining the studies of data abstraction, data
structures, and algorithms ... different functions, and some of those who
Library of Congress Cataloging–in–Publication Data
KRUSE,ROBERT L.
Data structuresand program design in C++ / Robert L. Kruse,
Alexander J. Ryba.
p. cm.
Includes ... intoalgorithmsandin
therefinementofalgorithmsintoconcreteprogramsthat canbe appliedtopractical
problems. Theprocessofdataspecificationandabstraction,similarly, comesbefore
the selection of datastructures and...