human computer interaction lab. of distributed multimedia information systems and applications |...
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HUMAN COMPUTER INTERACTION
Lab. Of Distributed Multimedia Information Systems and Applications | TUC/MUSICDepartment of Electronic and Computer Engineering
Technical University of Crete
Rontidis Pavlosprontidis@yahoo.gr
Souris Anastasiostassos_souris@yahoo.gr
mDS
http://en.wikipedia.org/wiki/Binary_search_tree
http://en.wikipedia.org/wiki/AVL_tree
http://en.wikipedia.org/wiki/Red_Black_tree
Description: Node-based binary tree with the properties:• A left sub-tree of a node contains only nodes with keys
less than …
Description: AVL tree is a self-balancing binary search tree, and it was the first such data structure to be invented.
Description: A red-black tree is a type of self-balancing binary search tree, a data structure used in computing science, typically used to implement associative arrays.
s
menu
mDS
The purpose of this test is to test basic knowledge on BSTs.Time Limit: 3 minCompleted in: 2minDate finished: 2/22/2011
The purpose of this test is to test two operation on BSTs,Insertion and deletion.Time Limit: 6 minNot taken
The purpose of this test is to test BST traversals.Insertion and deletion.Time Limit: 10 minNot taken
Tap start to start the timer.Tap start to complete or exit the Quiz.
Start Finish
Tap start to start the timer.Tap start to complete or exit the Quiz.
Multiple choice Description…
Answer 1….
Answer 2…
Answer 3…
Start Finish
00:01
The purpose of this test is to test basic knowledge on BSTs.Time Limit: 3 minCompleted in: 2minDate finished: 2/22/2011
The purpose of this test is to test two operation on BSTs,Insertion and deletion.Time Limit: 6 minFailed: 10min Not Completed
The purpose of this test is to test BST traversals.Insertion and deletion.Time Limit: 10 minNot taken
mDS Prototype:Animations List
10
3
178
15
6
2
16
Search for key = 6
Search for key = 9
Node creation & insertion
In-order Traversal
iPhone demo
iPad demo
change options
Change options
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178
15
6
2
16
return practice animation helpoptions
Option screen
mDS
Option screen
mDS
mDS Prototype:Animations List
10
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178
15
6
2
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Search for key = 6
Search for key = 9
Node creation & insertion
In-order Traversal
iPhone demo
iPad demo
change options
10
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178
15
6
2
16
Search 6
return practice animation helpoptions
Enter node’s key:
You tapped inside an empty node.
You tapped inside an empty node.
Enter node’s key: 6
<
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6 < 10 is True
cancel
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>6 > 3 is True
cancel
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>6 < 8 is True
cancel
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6 = 6 is True
cancel
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Node found !
cancel
mDS Prototype:Animations List
10
3
178
15
6
2
16
Search for key = 6
Search for key = 9
Node creation & insertion
In-order Traversal
iPhone demo
iPad demo
change options
10
3
178
15
6
2
16
Search 9
return practice animation helpoptions
You tapped inside an empty node.
Enter node’s key:
You tapped inside an empty node.
Enter node’s key: 9
<
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178
15
6
2
16
9 < 10 is True
cancel
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>9 > 3 is True
cancel
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9 > 8 is True
cancel
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Leaf reached.Node not found.
NULL
cancel
mDS Prototype:Animations List
10
3
178
15
6
2
16
Search for key = 6
Search for key = 9
Node creation & insertion
In-order Traversal
iPhone demo
iPad demo
change options
10
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178
15
6
2
16
Insert 9
Node created !
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Enter node’s key:
You tapped inside an empty node.
Enter node’s key: 9
You tapped inside an empty node.
<
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current.key root.key 9 < current.key
Next step:current current.left
cancel
>
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current.key 39 > current.key
Next step:current current.right
cancel
found positionfor key = 9
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Pointer to NULL:Allocate space for new node.
current.key 89 > current.key
cancel
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Algorithm finished.Result: Insertion completed.
9
Node inserted.
cancel
mDS Prototype:Animations List
10
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178
15
6
2
16
Search for key = 6
Search for key = 9
Node creation & insertion
In-order Traversal
iPhone demo
iPad demo
change options
10
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178
15
6
2
16
In-order traversal
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Gesture initiated an in-order traversal.
cancel
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Printed: 2 Recursion to left sub-tree.
cancel
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Printed: 2, 3
cancel
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Printed: 2, 3, 6
cancel
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Printed: 2, 3, 6, 8
cancel
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Printed: 2, 3, 6, 8, 10 Visited root.
cancel
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Printed: 2, 3, 6, 8, 10, 15 Recursion to right sub-tree.
cancel
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Printed: 2, 3, 6, 8, 10, 15, 16
cancel
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Printed: 2, 3, 6, 8, 10, 15, 16, 17
cancel
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cancel
In-order traversal completed.Keys printed in ascending order.Printed: 2, 3, 6, 8, 10, 15, 16, 17
mDS Prototype:Animations List
10
3
178
15
6
2
16
Search for key = 6
Search for key = 9
Node creation & insertion
In-order Traversal
iPhone demo
iPad demo
change options
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