Joe Chung<br>Monmouth U. Homepage - cs509
http://rockhopper.monmouth.edu/cs/jchung/
2026-05-12T02:21:59+00:00Joe Chung<br>Monmouth U. Homepage
http://rockhopper.monmouth.edu/cs/jchung/
http://rockhopper.monmouth.edu/cs/jchung/_media/wiki/logo.pngtext/html2013-03-07T07:48:01+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/arrayfromkeyboard?rev=1362642481
Array example from class, 3/6/13
/*
Write a program that will fill an array a with 20 values of type int read in
from the keyboard.
*/
#include <iostream>
using namespace std;
int main()
{
// array size in a constant
const int asize = 20;
// declare array
int a[ asize ] = { 0 };
// loop to get 20 values from keyboard and fill array
for ( int i = 0; i < asize; i++ ) {
cout << "\n Enter value for array element " << i << ": ";
cin >> a[ i ];
}
}text/html2013-03-07T07:49:00+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/arraynoduplicates?rev=1362642540
Array example from class, 3/6/13
/*
Write a program that uses an array to solve the following problem.
Read in 20 numbers, each of which is between 10 and 100, inclusive.
As each number is read, print it only if it is not a duplicate of a
number already read.
*/
#include <iostream>
using namespace std;
int main()
{
const int asize = 20;
int a[asize] = { 0 };
// for loop to enter 20 values
for ( int i = 0; i < asize; i++ ) {
int currentvalue;
cout << "\n E…text/html2013-02-20T18:37:59+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cpluscplusfunctionreturn?rev=1361385479
----------
See the following code:
int myfunction( int myinput ) {
if ( myinput > 0 )
return 1;
else if ( myinput == 0 )
return 0;
else
return -1;
}
<poll How many values will be returned by the above function? [a]>
*text/html2013-02-20T18:38:12+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cpluscplusfunctionreturn_i?rev=1361385492
----------
See the following code:
int myfunction( int myinput ) {
if ( myinput > 0 )
return 1;
else if ( myinput == 0 )
return 0;
else
return -1;
}
<poll How many values will be returned by the above function? [a]>
*text/html2013-02-20T18:41:32+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cpluscplusfunctionreturn_ii?rev=1361385692
----------
See the following code:
int myfunction( int myinput ) {
cout << "Starting myfunction()... ";
if ( myinput > 0 )
return 1;
else if ( myinput == 0 )
return 0;
else
return -1;
cout << "Stopping myfunction()...";
}text/html2013-02-20T19:41:24+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cpluscplusswapbyreference?rev=1361389284
----------
See the following code:
#include <iostream>
using namespace std;
void swapvars( int& a, int& b ) {
int temp = a;
a = b; // a is now b
b = temp; // b is now a
}
int main ()
{
int a = 2;
int b = 3;
swapvars( a, b );
cout << "The value of a is " << a << " and the value of b is " << b;
return 0;
}text/html2013-02-20T19:40:19+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cpluscplusswapbyvalue?rev=1361389219
----------
See the following code:
#include <iostream>
using namespace std;
void swapvars( int a, int b ) {
int temp = a;
a = b; // a is now b
b = temp; // b is now a
}
int main ()
{
int a = 2;
int b = 3;
swapvars( a, b );
cout << "The value of a is " << a << " and the value of b is " << b;
return 0;
}text/html2013-02-20T19:38:41+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cpluscplusvoidfunctions_i?rev=1361389121
----------
See the following code:
#include <iostream>
using namespace std;
void myfunction( int a, int b ) {
int mysum = a + b;
}
int main ()
{
int a = 2;
int b = 3;
cout << "The sum of " << a << " and " << b << " is: " << myfunction( 2, 3 );
return 0;
}text/html2013-03-07T07:46:59+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplusarrays?rev=1362642419
Array examples:
* Array Example 1
* Array Example 2
* Array Example 3
Array exercises:
1. Write a program that will fill an array a with 20 values of type int read in from the keyboard.
* See program written in class.
2. Write a program that uses an array to solve the following problem. Read in 20 numbers, each of which is between 10 and 100, inclusive. As each number is read, print it only if it is not a duplicate of a number already read.text/html2013-02-13T18:56:02+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplusbasics?rev=1360781762
----------
Answer and discuss the following questions:
2/6/13
* Which method first?
* Which cout statement?
2/13/13
* Global or local variables? I
* Global or local variables? II
* Assigning I
* Assigning II
----------
Complete these programming projects:
1. Write a program c2f.cpp that inputs a temperature in Celcius, converts it to Fahrenheit, and outputs the temperature in Fahrenheit.text/html2013-02-07T03:50:33+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cpluspluscout1?rev=1360209033
Which of the following C++ statements will print the following lines to the screen, assuming int x = 2 and int y = -2:
The sum of x and y is 0.
The remainder of x divided by y is 0.text/html2013-03-06T18:54:46+00:00Anonymous (anonymous@undisclosed.example.com)C++ Functions
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplusfunctions?rev=1362596086
C++ Functions
----------
Examples (3/6/13):
* Function prototypes I
* Inline functions I
----------
Answer and discuss the following questions:
* Function return I
* Function return II
* Void functions I
* Functions by value
* Functions by reference
----------
Complete these programming projects:
1. Write and test the void function printfactorial( int n )text/html2013-02-07T03:50:51+00:00Anonymous (anonymous@undisclosed.example.com)See the following code:
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplusmain?rev=1360209051
See the following code:
// void function example
#include <iostream>
using namespace std;
void printmessage ()
{
cout << "I'm a function!";
}
void printmessage2 ()
{
cout << "I'm also a function!";
}
int main ()
{
printmessage();
printmessage2();
return 0;
}text/html2013-02-13T18:45:37+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplusscope?rev=1360781137
----------
See the following code:
#include <iostream>
using namespace std;
const double MYCONSTANT = 3.1416;
int main ()
{
const double MYCONSTANT = 3.14159;
cout << MYCONSTANT;
return 0;
}
What is going to be output by the above program?text/html2013-02-13T18:48:43+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplusscope2?rev=1360781323
See the following code:
#include <iostream>
using namespace std;
const double MYCONSTANT = 3.1416;
void printMyConstant() {
cout << MYCONSTANT;
}
int main () {
const double MYCONSTANT = 3.14159;
printMyConstant();
return 0;
}
What is going to be output by the above program?text/html2013-02-13T18:56:53+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplustypes?rev=1360781813
Is the following declaration and assignment valid?
int myint;
myint = 10.5;
<poll Choose one [699]>
* Yes
* No
</poll>text/html2013-02-13T19:44:33+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplustypes2?rev=1360784673
Is the following declaration and assignment valid?
double mydouble;
mydouble = 10;
<poll Choose one [699-1]>
* Yes
* No
</poll>text/html2013-03-06T19:01:21+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplus_array_example_1?rev=1362596481
Example: C++ array
// array.cc
// First arrays example
#include<iostream>
using namespace std;
int main()
{
int myArray[ 50 ];
int i;
for ( i = 0; i < 50; i++ )
{
myArray[ i ] = i;
cout << "\n" << i << " = " << myArray[ i ];
}
cout << "\n" << myArray[ 50 ]; // fencepost error
return 0;
}text/html2013-03-06T19:02:06+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplus_array_example_2?rev=1362596526
Example: C++ array
// Histogram printing program using arrays
// Note: Think about how this would be accomplished w/o arrays.
#include<iostream>
using namespace std;
int main()
{
const int arraySize = 10;
int n[ arraySize ] = { 19, 3, 15, 7, 11, 9, 13, 5, 17, 1 };
cout << "\n Element" << "\t" << "Value"
<< "\t\t" << "Histogram" << endl;
for ( int i = 0; i < arraySize; i++ ) {
cout << " " << i << "\t\t"
<< n[ i ] << "\t\t";
for ( int …text/html2013-03-06T20:25:44+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplus_array_example_3?rev=1362601544
Example: C++ array
// Student poll program:
// Forty students were asked to rate the quality of the food in the student
// cafeteria on a scale of 1 to 10 (1 meaning awful and 10 meaning
// excellent). Place the 40 responses in an integer array and summarize
// the results of the poll.
// Note: Think about how this would be accomplished w/o arrays.
#include<iostream>
using namespace std;
int main()
{
// Will be using constants to set array dimensions
const int responseSize = 40, fre…text/html2013-03-06T18:56:04+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplus_function_prototypes?rev=1362596164
Example: C++ function prototypes
/*
* Computes the area of a circle and the volume of a sphere.
* Uses the same radius for both calculations.
*/
#include<iostream>
#include<cmath>
using namespace std;
const double PI = 3.14159;
double area( double radius );
// Returns the area of a circle with the specified radius.
double volume( double radius );
// Returns the volume of a sphere with the specified radius.
int main()
{
double radiusOfBoth, areaOfCircle, volumeOfSphere;
cout <<…text/html2013-03-06T18:56:57+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cplusplus_inline_functions?rev=1362596217
Example: C++ inline functions
// Using an inline function to calculate
// the volume of a cube
#include<iostream>
using namespace std;
inline double cube( const double s ) { return s * s * s; }
int main()
{
double side;
cout << "\n Enter the side length of your cube: ";
cin >> side;
cout << "\n Volume of cube with side "
<< side << " is " << cube( side ) << endl;
// inline function, cube(), would be inserted here
// like this:
//
// const doub…text/html2013-02-07T14:34:52+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cs-699_sp13_assignment_2_and_next_reading?rev=1360247692
Today in class, I assigned Assignment 2, which is our first actual assignment. Go to the course web page at <http://rockhopper.monmouth.edu/cs/jchung/cs509/start>, click on “C++ Basics”, and complete the 3 programming projects: c2p.cpp, c2pLoop.cpp and box.cpp.
The deadline for Assignment 2 is Tuesday, 2/12, 11:59pm. Use the CS-699-CHU3 ecampus dropbox to submit the assignment files. You should submit only three files.text/html2013-03-07T05:49:04+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cs-699_sp13_assignment_3_and_next_reading?rev=1362635344
For Assignment 3, go to the notes on C++ functions and complete programming projects 2, 3 and 4.
Assignment 3 is due by Tuesday, 2/26/13, 11:59pm.
Also, for reading, go to <http://cplusplus.com/doc/tutorial> and read the following sections:
* Arrays
* Character Sequences
* Pointers
* Dynamic Memorytext/html2013-03-20T04:57:55+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cs-699_sp13_assignment_4?rev=1363755475
Assignment 4
----------
Complete the following the Assignment. The deadline is
Tuesday, 3/12, 11:59pm
Use the ecampus dropbox.
For programs you submit, include your name and program description in a comment block.
1. Write simple C++ statements (not full C++ programs) to accomplish each of the following:text/html2013-03-29T20:50:04+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cs-699_sp13_assignment_5?rev=1364590204
Complete the following assignment.
The deadline is Monday, 4/1, 5pm.
Read/review the reading assignment on “Arrays as parameters” and “Character Sequences”. Also, read about “Enumerations (enum)”.
Write a program TicTacToe.cpp to play tic-tac-toe using one 9-element character array. The program must allow for 1-player (human vs. computer) or 2-player (human vs. human) games. In the 2-player game, the program should ask for moves alternately from player o and player x. The program should displ…text/html2013-04-12T02:04:55+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/cs-699_sp13_assignment_6?rev=1365732295
Assignment 6 is due by Monday, 4/15, 11:59pm.
For Assignment 6, you will modify the TicTacToe program you wrote for Assignment 5. Alternatively, you can modify the TicTacToe program solution that I emailed you on 4/4. The modification you must make is the following:text/html2013-02-21T14:21:21+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/printfactorial_program_developed_in_class?rev=1361456481
This is the printfactorial program that was developed in class on Wed, 2/20/13.
/*
Name: J. Chung
Write and test the void function printfactorial( int n ) that prints the factorial of an input integer. For example:
If printfactorial( 3 ), output is:
3! = 3 * 2 * 1 = 6
If printfactorial( 4 ), output is:
4! = 4 * 3 * 2 * 1 = 24
*/
#include <iostream>
using namespace std;
void printfactorial( int n )
{
// output "n! = n * "
cout << n << "! = " << n << " * ";
unsigned lo…text/html2013-04-11T23:40:56+00:00Anonymous (anonymous@undisclosed.example.com)CS-699, Spring 2013
http://rockhopper.monmouth.edu/cs/jchung/cs509/start?rev=1365723656
CS-699, Spring 2013
* Read the four sections under Object Oriented Programming
* Classes (I)
* Classes (II)
* Friendship and inheritance
* Polymorphism
* Assignment 6 (4/6/13)
* Assignment 5 (3/20/13)
* Assignment 4 (3/7/13)
* C++ Arrays (3/6/13)
* Assignment 3 and next reading (2/21/13)
* C++ Functions (3/6/13)
* Assignment 2 and next reading (2/7/13)
* Notes on Code::Blocks IDE (2/7/13)text/html2013-03-20T05:21:25+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/tictactoe_sample_1-player_game?rev=1363756885
TicTacToe: Sample 1-player game (human vs. computer)
This is a Tic Tac Toe program. Choose the type of game:
(1) human o vs. human x (2) human o vs. dumb computer x
-> 2
1 2 3
4 5 6
7 8 9
It's o's turn.
Input the number of an empty square: (-1 to quit) 5
1 2 3
4 o 6
7 8 9
It's x's turn.
1 x 3
4 o 6
7 8 9
It's o's turn.
Input the number of an empty square: (-1 to quit) 4
1 x 3
o o 6
7 8 9
It's x's turn.
1 x 3
o o 6
7 x 9
It's o's turn.
Input the …text/html2013-03-20T05:21:56+00:00Anonymous (anonymous@undisclosed.example.com)
http://rockhopper.monmouth.edu/cs/jchung/cs509/tictactoe_sample_2-player_game?rev=1363756916
TicTacToe: Sample 2-player game (human vs. human)
This is a Tic Tac Toe program. Choose the type of game:
(1) human o vs. human x (2) human o vs. dumb computer x
-> 1
1 2 3
4 5 6
7 8 9
It's o's turn.
Input the number of an empty square: (-1 to quit) 5
1 2 3
4 o 6
7 8 9
It's x's turn.
Input the number of an empty square: (-1 to quit) 1
x 2 3
4 o 6
7 8 9
It's o's turn.
Input the number of an empty square: (-1 to quit) 4
x 2 3
o o 6
7 8 9
It's x's turn.
I…