Homework Answers
As the elements of array can be accessed in O(1) time ,array is used in following operations.
So
Binary search can occur in the array. and sorting is easier in arrays.
Insert delete and update happens in O(1) time.
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7) What type of operations would an Array be the prefered Data Structure for?
3) Stacks vs Queues: a) A Circular Array is a common data structure for a buffer...
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structure?
Options:
Both arrays and dictionaries have predefined fixed size Array stores elements and link them to indices, while dictionary stores values and link them to keys Both of the above are correct None of the above is correct
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Give the change to line 7 of the Unsorted Array structure’s Fetch algorithm shown below that...
Give the change to line 7 of the Unsorted Array structure’s
Fetch algorithm shown below that would unencapsulate the structure
after Fetch operation is completed. [edit: There is no more
information, this is the question. Only need to edit line 7 to make
it unencapsulate the structure after Fetch operation is completed
]
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Implement an array data structure as a class JstyArray<E>
to support the Iterable interface such that the following code
works:
JstyArray<Integer> data;
data = new JstyArray<Integer>(10);
for (int i = 0; i < 10; ++i) {
data.set(i, new Integer(i) );
}
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for ( int v : data ) {
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}
The iterator provided by this class follows the behaviour of...
3) Stacks vs Queues: a) A Circular Array is a common data structure for a buffer (a type of queue). Why is this advantageous over a regular array? (Hint: think about common queue operations and what they do to an array). b) Show a traversal of the following tree using a stack: 26 1 25 2 17 3 2. (19 7 1 (The numbers under the bubbles are a node number, not the data. ) c) Why would using a...
What differentiates Dictionary data structure from Array data
structure?
Options:
Both arrays and dictionaries have predefined fixed size Array stores elements and link them to indices, while dictionary stores values and link them to keys Both of the above are correct None of the above is correct
Write C++ program that implements the queue data structure using an array and perform the following operations: i) Enqueue ii) Dequeue iii) Display
Give the change to line 7 of the Unsorted Array structure’s
Fetch algorithm shown below that would unencapsulate the structure
after Fetch operation is completed. [edit: There is no more
information, this is the question. Only need to edit line 7 to make
it unencapsulate the structure after Fetch operation is completed
]
Unsorted Array Fetch Algorithm 1. 2, 3, Ilaccess the node (assumes the node is in the structure) i=0; while (targetKey I= data [i].key()) 5. 6. I l/...
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Array with Iterator. Java style
Implement an array data structure as a class JstyArray<E>
to support the Iterable interface such that the following code
works:
JstyArray<Integer> data;
data = new JstyArray<Integer>(10);
for (int i = 0; i < 10; ++i) {
data.set(i, new Integer(i) );
}
int sum = 0;
for ( int v : data ) {
if (v == null)
continue; // empty cell
sum += v;
}
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