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COMP171 Data Structures and Algorithm PowerPoint PPT Presentation

COMP171 Data Structures and Algorithm - COMP171 Data Structures and Algorithm Tutorial 2 TA: M.Y.Chan A few words Materials will be posted on the course homepage before the tutorials Please have a glance ...

COMP171 Data Structures and Algorithm Tutorial 2 TA: M.Y.Chan A few words Materials will be posted on the course homepage before the tutorials Please have a glance ...

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COMP171 Data Structures and Algorithm - Source code available online - Available at library for 24-hour loan. Grading Policy ... No calculator. No make-ups will be given ...

Source code available online - Available at library for 24-hour loan. Grading Policy ... No calculator. No make-ups will be given ...

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COMP171 Data Structure PowerPoint PPT Presentation

COMP171 Data Structure - COMP171 Data Structure & Algorithm. Tutorial 1. TA: M.Y.Chan. Outline of Today's Tutorial ... To acquire adequate programming knowledge for the coming assignments ...

COMP171 Data Structure & Algorithm. Tutorial 1. TA: M.Y.Chan. Outline of Today's Tutorial ... To acquire adequate programming knowledge for the coming assignments ...

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COMP171 Tutorial 5 PowerPoint PPT Presentation

COMP171 Tutorial 5 - Theorem: all comparison sorts are (n log n) ... First base then mantissa. Not applicable to all floating point representations! ...

Theorem: all comparison sorts are (n log n) ... First base then mantissa. Not applicable to all floating point representations! ...

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COMP171 Data Structures and Algorithms PowerPoint PPT Presentation

COMP171 Data Structures and Algorithms - Assignments, test cases and solutions. Download course material ... Programming and homework assignments. More rigorous problems to consolidate your knowledge ...

Assignments, test cases and solutions. Download course material ... Programming and homework assignments. More rigorous problems to consolidate your knowledge ...

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Depth-First Search PowerPoint PPT Presentation

Depth-First Search - COMP171 Depth-First Search Depth-First Search (DFS) DFS is another popular graph search strategy Idea is similar to pre-order traversal (visit node, then visit ...

COMP171 Depth-First Search Depth-First Search (DFS) DFS is another popular graph search strategy Idea is similar to pre-order traversal (visit node, then visit ...

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AVL-Trees - COMP171 Fall 2006 AVL-Trees Behavior of search in binary search trees Balanced Binary Search Trees Worst case height of binary search tree: N-1 Insertion, deletion ...

COMP171 Fall 2006 AVL-Trees Behavior of search in binary search trees Balanced Binary Search Trees Worst case height of binary search tree: N-1 Insertion, deletion ...

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AVL-Trees (Part 2: Double Rotations) PowerPoint PPT Presentation

AVL-Trees (Part 2: Double Rotations) - COMP171 Fall 2006 AVL-Trees (Part 2: Double Rotations) Lecture 19 Review of Rotations When the AVL property is lost we can rebalance the tree via rotations Single ...

COMP171 Fall 2006 AVL-Trees (Part 2: Double Rotations) Lecture 19 Review of Rotations When the AVL property is lost we can rebalance the tree via rotations Single ...

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Course Review PowerPoint PPT Presentation

Course Review - Title: COMP171H Notes: Hashing Author: Bo Li Last modified by: quan Created Date: 9/13/2005 2:58:53 PM Document presentation format: On-screen Show

Title: COMP171H Notes: Hashing Author: Bo Li Last modified by: quan Created Date: 9/13/2005 2:58:53 PM Document presentation format: On-screen Show

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Lists - COMP171 Fall 2005 Lists Outline Abstract Data Type (ADT) List ADT List ADT with Array Implementation Linked lists Basic operations of linked lists Insert, find ...

COMP171 Fall 2005 Lists Outline Abstract Data Type (ADT) List ADT List ADT with Array Implementation Linked lists Basic operations of linked lists Insert, find ...

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Depth-First Search - Depth-First Search. COMP171. Graph / Slide 2. Summary of BFS. Graph and representations ... Requires a scan of adjacency list to check if an edge exists ...

Depth-First Search. COMP171. Graph / Slide 2. Summary of BFS. Graph and representations ... Requires a scan of adjacency list to check if an edge exists ...

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AVLTrees Part 2 PowerPoint PPT Presentation

AVLTrees Part 2 - AVL-Trees (Part 2) COMP171. AVL Trees / Slide 2. A warm-up exercise ... When the AVL property is lost we can rebalance the tree via rotations ...

AVL-Trees (Part 2) COMP171. AVL Trees / Slide 2. A warm-up exercise ... When the AVL property is lost we can rebalance the tree via rotations ...

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Inclusion Dependency (IND) PowerPoint PPT Presentation

Inclusion Dependency (IND) - Normally every student must belong to a department. ... This tool is called 'Casanova et al.'s axiom system' We consider the following three rules: ...

Normally every student must belong to a department. ... This tool is called 'Casanova et al.'s axiom system' We consider the following three rules: ...

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Heaps and heapsort PowerPoint PPT Presentation

Heaps and heapsort - Title: Sorting I Author: taicl Last modified by: taicl Created Date: 9/13/2005 2:58:53 PM Document presentation format: On-screen Show Company: HKUST

Title: Sorting I Author: taicl Last modified by: taicl Created Date: 9/13/2005 2:58:53 PM Document presentation format: On-screen Show Company: HKUST

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Multivalued Dependency (MVD) PowerPoint PPT Presentation

Multivalued Dependency (MVD) - course. dept. student. Two students in the same department take the same courses. pattern ... first two relations ((student, course), (course, lecturer)) would ...

course. dept. student. Two students in the same department take the same courses. pattern ... first two relations ((student, course), (course, lecturer)) would ...

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Heaps and heapsort - ... 'almost complete binary ... Note: we define 'complete tree' slightly different from the book. ... A complete binary tree is one where a node can have 0 (for ...

... 'almost complete binary ... Note: we define 'complete tree' slightly different from the book. ... A complete binary tree is one where a node can have 0 (for ...

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Insertion sort, Merge sort PowerPoint PPT Presentation

Insertion sort, Merge sort - ... insertion sort runs fast Mergesort Based on divide-and-conquer strategy Divide the list into two smaller ... Dividing If the input list is a linked list, ...

... insertion sort runs fast Mergesort Based on divide-and-conquer strategy Divide the list into two smaller ... Dividing If the input list is a linked list, ...

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AVL-Trees (Part 1) PowerPoint PPT Presentation

AVL-Trees (Part 1) - Binary Search Tree Balance Binary Search Tree Worst case height of binary search tree: N-1 Insertion, ... search trees Examples: AVL tree, red-black tree Balanced ...

Binary Search Tree Balance Binary Search Tree Worst case height of binary search tree: N-1 Insertion, ... search trees Examples: AVL tree, red-black tree Balanced ...

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String Matching PowerPoint PPT Presentation

String Matching - Rabin-Karp Algorithm A better method to compute the integers is: Problem The problem with the previous strategy is that when m is large, ...

Rabin-Karp Algorithm A better method to compute the integers is: Problem The problem with the previous strategy is that when m is large, ...

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Trees, Binary Trees, and Binary Search Trees PowerPoint PPT Presentation

Trees, Binary Trees, and Binary Search Trees - Trees Basic concepts Tree traversal Binary ... ...., Tk Tree can be viewed as a nested lists Tree is also a graph Some Terminologies Child and ...

Trees Basic concepts Tree traversal Binary ... ...., Tk Tree can be viewed as a nested lists Tree is also a graph Some Terminologies Child and ...

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AVL-Trees - Thus, many operations (searching, insertion, deletion) on an AVL tree will take ... Since an insertion/deletion involves adding/deleting a single node, this can ...

Thus, many operations (searching, insertion, deletion) on an AVL tree will take ... Since an insertion/deletion involves adding/deleting a single node, this can ...

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AVL-Trees (Part 1) - Title: binary search tree Author: taicl Last modified by: quan Created Date: 9/13/2005 2:58:53 PM Document presentation format: On-screen Show Company

Title: binary search tree Author: taicl Last modified by: quan Created Date: 9/13/2005 2:58:53 PM Document presentation format: On-screen Show Company

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Trees,%20Binary%20Trees,%20and%20Binary%20Search%20Trees PowerPoint PPT Presentation

Trees,%20Binary%20Trees,%20and%20Binary%20Search%20Trees - Does there exist any simple data structure for which the running time of most ... void insert(const double x); // compose x into a tree ...

Does there exist any simple data structure for which the running time of most ... void insert(const double x); // compose x into a tree ...

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Quicksort - Move i right, skipping over elements smaller than the pivot ... The large element is pushed to the right and the small element is pushed to the left ...

Move i right, skipping over elements smaller than the pivot ... The large element is pushed to the right and the small element is pushed to the left ...

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Arrays - comp104 notes - UNSW School of Computer Science and ... ... Arrays

comp104 notes - UNSW School of Computer Science and ... ... Arrays

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B -Trees - The AVL tree is an excellent dictionary structure when the entire structure can ... B Tree ... The disadvantage of B -tree is that most nodes will have less ...

The AVL tree is an excellent dictionary structure when the entire structure can ... B Tree ... The disadvantage of B -tree is that most nodes will have less ...

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Introduction to Analysis of Algorithms PowerPoint PPT Presentation

Introduction to Analysis of Algorithms - Introduction to Analysis of Algorithms / Slide 2. Introduction. What is Algorithm? ... Why need algorithm analysis ? writing a working program is not good enough ...

Introduction to Analysis of Algorithms / Slide 2. Introduction. What is Algorithm? ... Why need algorithm analysis ? writing a working program is not good enough ...

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Depthfirst search - DFS is another popular graph search strategy ... Mark 1 as visited. Mark Pred[1] 8. 2. 9. 8. Pred. RDFS( 2 ) RDFS(8) RDFS(9) RDFS(1) visit RDFS(3) ...

DFS is another popular graph search strategy ... Mark 1 as visited. Mark Pred[1] 8. 2. 9. 8. Pred. RDFS( 2 ) RDFS(8) RDFS(9) RDFS(1) visit RDFS(3) ...

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Stack and Queue PowerPoint PPT Presentation

Stack and Queue - that insertions and deletions can only be performed at the top of the list ... When the stack is full, top will have its maximum value, i.e. size 1. ... top = -1; ...

that insertions and deletions can only be performed at the top of the list ... When the stack is full, top will have its maximum value, i.e. size 1. ... top = -1; ...

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AVL-Trees (Part 2) - AVL-Trees (Part 2) A warm-up exercise Create a BST from a sequence, A, B, C, D, E, F, G, H Create a AVL tree for the same sequence.

AVL-Trees (Part 2) A warm-up exercise Create a BST from a sequence, A, B, C, D, E, F, G, H Create a AVL tree for the same sequence.

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AVL tree, B tree, and Graph PowerPoint PPT Presentation

AVL tree, B tree, and Graph - AVL tree. AVL tree ... AVL tree (iv)Then Insert the value 8 into the AVL tree, doing any necessary ... AVL tree (vii)Then Delete the value 12 from the AVL tree, ...

AVL tree. AVL tree ... AVL tree (iv)Then Insert the value 8 into the AVL tree, doing any necessary ... AVL tree (vii)Then Delete the value 12 from the AVL tree, ...

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Hashing - Now for the case relation is not important', but want to be efficient' for ... To hash' (is to chop into pieces' or to mince'), is to make a map' or a transform' ...

Now for the case relation is not important', but want to be efficient' for ... To hash' (is to chop into pieces' or to mince'), is to make a map' or a transform' ...

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Binary Trees, Binary Search Trees - Binary Trees, Binary Search Trees

Binary Trees, Binary Search Trees

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Pattern Matching PowerPoint PPT Presentation

Pattern Matching - The na ve algo is O(mn) in the worst case But we do have linear algorithm (optional): Boyer-Moore Knuth-Morris-Pratt Finite automata Using idea of hashing ! Robin ...

The na ve algo is O(mn) in the worst case But we do have linear algorithm (optional): Boyer-Moore Knuth-Morris-Pratt Finite automata Using idea of hashing ! Robin ...

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Graphs - Title: binary search tree Author: taicl Last modified by: FtpDown Created Date: 9/13/2005 2:58:53 PM Document presentation format:

Title: binary search tree Author: taicl Last modified by: FtpDown Created Date: 9/13/2005 2:58:53 PM Document presentation format:

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Connected Components, Directed Graphs, Topological Sort PowerPoint PPT Presentation

Connected Components, Directed Graphs, Topological Sort - (Acyclic means it does not contain any simple cycles) ... With vertex i removed, the new graph is still a directed acyclic graph. ...

(Acyclic means it does not contain any simple cycles) ... With vertex i removed, the new graph is still a directed acyclic graph. ...

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Pattern Matching II PowerPoint PPT Presentation

Pattern Matching II - Pattern matching 7 ... This corresponds to shifting the pattern P to the right by the smallest amount ... This avoids missing any occurrence of the pattern P. ...

Pattern matching 7 ... This corresponds to shifting the pattern P to the right by the smallest amount ... This avoids missing any occurrence of the pattern P. ...

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Iterator for linkedlist traversal, Template PowerPoint PPT Presentation

Iterator for linkedlist traversal, Template - To let ListIterator access the private member head, we make ListIterator ... An iterator is a construct ... multimap _ Hash table, supports numerous values ...

To let ListIterator access the private member head, we make ListIterator ... An iterator is a construct ... multimap _ Hash table, supports numerous values ...

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B -Trees (Part 1) PowerPoint PPT Presentation

B -Trees (Part 1) - M-ary search tree needs M-1 keys to decide which branch to take ... If Ki x Ki 1 for two consecutive keys Ki and Ki 1 at v, follow the left child pointer of Ki 1 ...

M-ary search tree needs M-1 keys to decide which branch to take ... If Ki x Ki 1 for two consecutive keys Ki and Ki 1 at v, follow the left child pointer of Ki 1 ...

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Object-Oriented Programming and Classes PowerPoint PPT Presentation

Object-Oriented Programming and Classes - ... (e.g., 98.6 F):

... (e.g., 98.6 F):

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Lower bound for sorting, radix sort PowerPoint PPT Presentation

Lower bound for sorting, radix sort - possible orderings (e.g., the sorted output for a,b,c can be a b c, b a ... Can be bad if range is very big, e.g. M=O(N2) N=7, M = 9, Want to sort 8 1 9 5 2 6 3 ...

possible orderings (e.g., the sorted output for a,b,c can be a b c, b a ... Can be bad if range is very big, e.g. M=O(N2) N=7, M = 9, Want to sort 8 1 9 5 2 6 3 ...

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Hashing - It's a good practice to set the table size m to be a prime number. Good values for m: primes not too close to exact powers of 2 ...

It's a good practice to set the table size m to be a prime number. Good values for m: primes not too close to exact powers of 2 ...

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AVL-Trees (Part 1) - Single Rotation to Fix Case 4 (right-right) Case 4 is a symmetric case to case 1 ... Double Rotation to fix Case 3(right-left) Facts. The new key is inserted in ...

Single Rotation to Fix Case 4 (right-right) Case 4 is a symmetric case to case 1 ... Double Rotation to fix Case 3(right-left) Facts. The new key is inserted in ...

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Graphs BFS - Graphs (BFS & DFS) COMP171. Tutorial 10. Graphs. Graph G=(V,E) V: set of vertices. E: set of edges ... Two standard ways to represent a graph. As a collection ...

Graphs (BFS & DFS) COMP171. Tutorial 10. Graphs. Graph G=(V,E) V: set of vertices. E: set of edges ... Two standard ways to represent a graph. As a collection ...

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Comp171 PowerPoint PPT Presentations