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CSC3002 Assignment 2

 CSC3002(Fall 2022) Assignment 2

Problem 1
Part1: (Exercise 2.11)
Using the direction.h interface [Figure 2-7 in textbook] as an example, design and implement
a calendar.h interface that exports the Month type from Chapter 1, along with the functions
daysInMonth and isLeapYear, which also appear in that chapter. Your interface should also
export a monthTostring function that returns the constant name for a value of type Month.
Test your implementation by the main function in calendar.cpp. Since the calendar.cpp
contains two parts, to test Part1, we need first pass a integer 1 to indicate that we’re testing the
Part1, and then input the day, month, and year (actually, the day and month are useless in this
test). After that, the program will write out the number of days in each month of that year, as in
the following sample run:
To ease your work testing, it is recommended to use the method described in README.pdf
with the case p1 in1.txt, p1 out1.txt to test your programs.
Part2: (Exercise 6.5)
Extend the calendar.h interface above, so that it also exports a Date class that exports the
following methods:
• A default constructor that sets the date to January 1,1900.
• A constructor that takes a month, day, and year and initializes the Date to contain those
values. For example, the declaration
Date moonLanding (JULY, 20,1969);
should initialize moonLanding so that it represents July 20,1969.
• An overloaded version of the constructor that takes the first two parameters in the opposite
order, for the benefit of clients in other parts of the world. This change allows the declaration
of moontanding to be written as
Date moonlanding (20, JULY, 1969);
• The getter methods getDay, getMonth, and getYear.
• A tostring method that returns the date in the form dd − mmm − yyyy, where dd is a
one- or two-digit date, mmm is the three-letter English abbreviation for the month, and
yyyy is the four-digit year. Thus, calling tostring(moontanding) should return the string
Part3: (Exercise 6.6)
Extend the calendar.h interface still further by adding overloaded versions of the following
• The insertion operator <<.
• The relational operators ==, ! =, <, <=, >, and >=
• The expression date +n, which returns the date n days after date
• The expression date −n, which returns the date n days before date
• The expression d1 − d2, which returns how many days separate d1 and d2
• The shorthand assignment operators + = and − = with an integer on the right
• The ++ and −− operators in both their prefix and suffix form.
Suppose, for example, that you have made the following definitions:
Date electionDay(6, NOVEMBER, 2012);
Date inaugurationDay(21, JANUARY, 2013);
Given these values of the variables, electionDay < inaugurationDay is true because electionday comes before inaugurationDay. Evaluating inaugurationDay - electionday returns
76, which is the number of days between the two events. The definitions of these operators, moreover, allow vou to write a for loop like
for (Date d = electionDay; d ≤ inaugurationDay; d++)
that cycles through each of these days, including both endpoints.
Requirments & Hints:
For this problem, the three parts are combined together. The source file is in calendar.cpp. You
need to finish all TODO parts in this files. The given input and output samples are p1 in1.txt,
p1 out1.txt, p1 in2.txt, p1 out2.txt and p1 in3.txt, p1 out3.txt. Refer to README.pdf for
more using details. DO NOT modify the main() part, which is for the test unit.
Problem 2
(Exercise 5.13)
And the first one now
Will later be last
For the times they are a-changin’.
-Bob Dylan, ”The Times They Are a-Changin’,” 1963
Following the inspiration from Bob Dylan’s song (which is itself inspired by Matthew 19:30),
write a function
void reversequeue (Queue & queue);
that reverses the elements in the queue. Remember that you have no access to the internal
representation of the queue and must therefore come up with an algorithm–presumably involving
other structures-that accomplishes the task.
Requirments & Hints:
Please fill in the TODO part of reversequeue.cpp. DO NOT modify the main() part, which is
for the test unit.
Problem 3
(Exercise 5.19)
In May of 1844 , Samuel F. B. Morse sent the message ”What hath God wrought!” by telegraph
from Washington to Baltimore, heralding the beginning of the age of electronic communication.
To make it possible to communicate information using only the presence or absence of a single
tone, Morse designed a coding system in which letters and other symbols are represented as coded
sequences of short and long tones, traditionally called dots and dashes. In Morse code, the 26
letters of the alphabet are represented by the codes shown in Figure .
Write a program that reads in lines from the user and translates each line either to or from
Morse code depending on the first character of the line:
• If the line starts with a letter, you want to translate it to Morse code. Any characters other
than the 26 letters should simply be ignored.
• If the line starts with a period (dot) or a hyphen (dash), it should be read as a series of
Morse code characters that you need to translate back to letters. Each sequence of dots and
dashes is separated by spaces, but any other characters should be ignored. Because there is
no encoding for the space between words, the characters of the translated message will be
run together when your program translates in this direction.
The program should end when the user enters a blank line. A sample run of this program (taken
from the messages between the Titanic and the Carpathia in 1912) might look like this:
Requirments & Hints:
A sample of creating morse code map is given in morsecode.cpp. You needn’t to implement it
by yourself. For inverted map, it is not allowed to generate inverted map manually (typed inverted
map directly). You need create the inverted map by using the created map before. Please fill in
the TODO part of morsecode.cpp. DO NOT modify the main() part, which is for the test unit.
Requirements for Assignment
We provided the source file calendar.cpp, reversequeue.cpp and morsecode.cpp. You need finish
the TODO part in these files.
DO NOT modify the main() part, which is for the test unit.
DO NOT submit until the last minute.
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