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a) Provide a complete templated array-based implementation of the Set Abstract Data

Type. The Set ADT is the same as the Bag ADT with the only difference that duplicate

items are not allowed. The items do not have to be in sorted order.

You can (and should) copy the code provided for the implementation of the Bag ADT.

The only function that needs modification is Add() and the function GetFrequencyOf() is

not needed.

Additionally, add a constructor that constructs a Set for a single item:

Set(const ItemType &an_item);

Similarly to the Bag implementation provide four files: SetInterface.h, Set.h, Set.cpp and

TestSet.cpp.

In the file TestSet.cpp provide a number of test cases that demonstrate that your

implementation is correct. Do this by writing a function named TestSetImplementation()

that contains code that does the following:

i) Ensures that an empty set contains no items. This can be done as follows:

Set

cout << “This is the empty set, and IsEmpty() returns ” << a_set.IsEmpty() <<
endl;
// Use the above logic for the all the following tests.
ii) Adds one item to an empty set, and then searches for it (it should be there).
iii) Creates a set by adding the following items: 1, 10, 3, 10, 5, 10 in that order.
iv) Ensures that the set now holds only 4 items.
v) Ensures that the search (function Contains()) of an item in the Set returns true,
and that the search of an item not in the Set returns false.
vi) Ensures that trying to add more items than the maximum capacity, results in a
false flag returned by Add().
vii) Ensures that adding an item already in the Set results in a false flag returned
by Add().
viii) Ensures that removing an item from an empty set results in a false flag
returned by the function Remove().
ix) Ensures that you can remove a given item from the Set.
b) Write two templated client functions (i.e. functions that are not part of the Set class;
you can place them at the end of the Set.cpp file, but after the class implementation):
1) A function named DisplaySet() that gets as an argument a set, and displays
the contents of the set. Here is the signature of the function:
template

void DisplaySet(const Set

…

}

2) A function named UniteSets() that gets as arguments two Sets set1 and set2.

The function UniteSets() creates a new set that contains all elements in sets set1 and

set2. This new set is returned by the function. Note that sets set1 and set2 shouldn’t be

modified. Here is the signature of the function:

template

Set

…

}

In the file TestSet.cpp provide a number of test cases for the UniteSets() function. Do

this by writing a function TestUniteSets() that contains code that does the following:

i) Ensures that the union of two empty sets is an empty set.

ii) Ensures that if one of the two input sets is empty, the result equals the nonempty set. Use the function DisplaySet() to print the sets (same holds for the next tests).

iii) Use two sets that do not have common elements (for instance {1, 20, 30} and

{40, 50}) and ensure that the result is correct.

iv) Use two sets with common elements (for instance {1, 20, 30} and {20, 30, 0,

40}) and ensure that the result is correct.

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