C++2

Exam Preview | Review Object Oriented C++ | C++ Review 1 | C++ Review 3

Other Projects:
String
Mystery String
Math. Calculation
Class Rectangle
Semester
Calculate Tax
Power
Total Price xyz
Roll a six-sided die 6000 times
Student Cafeteria 1 to 10
2 String & mystery

Compute calculation Add, Sub, Mult, Div
Getline
Getline2
Prints the array in tabular format
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//11/12/02
//Turgut Tezir Write a program that takes a string of characters from the keyboard and outputs for each characters when it is a space, and alfhabet and upper characters, a lower case characters, and alpha numeric character, a vowel, punctuation, a digit or a consonant.
#include<string.h>
#include<iostream.h>
#include<ctype.h>
void main( void )
{
const int SIZE = 80;
char ar[SIZE];
cout << “\nEnter a String:”;
cin.getline(ar, SIZE);
for(int i=0; i<strlen(ar); i++)
{
cout << “\n——————————–\n”;
cout << ‘\n’ << ar[i] << ” is : “;
if(isspace(ar[i])) cout << ” \n*a: space. “;
if(isalpha(ar[i])) cout << ” \n*an: alphabet. “;
if(isupper(ar[i])) cout << ” \n*an: upper case. “;
if(islower(ar[i])) cout << ” \n*a: lower case. “;
if(isalnum(ar[i])) cout << ” \n*an: alphanumeric. “;
if( ispunct(ar[i])) cout << ” \n*a: punctuation. “;
if( isdigit(ar[i])) cout << ” \n*a: digit. “;
char temp = toupper(ar[i]);
if(temp==’A’ || temp == ‘E’ || temp == ‘I’ || temp == ‘O’
|| temp == ‘U’) cout << ” \n*a: vowel. “;
else if(temp == ‘ ‘) cout << “\n*a: space.”;
else cout << ” \n*a: consonant”;
}
}
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Mystery String
//10/22/02 COMPLITE THIS PROGRAM>>>>>>>>>>>>>>>>>>>>>>
Write a program that takes a string from the keyboard & uses a function to output one character per line each charactre of the string and its integer equivalant
#include<iostream.h>
void mystery1(char *, const char *);
int main()
{
char string1[80];
cout <<“Enter the string:”;
cin >>string1;
mystery1(string1);
cout<<string1<<endl;
return 0;
}
void mystery1(char *s1)
{
while (*s1 !=’\0′)
++s1;
for (; *s1 = *s2; s1++, s2++)
; // emty statement
}
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Math. Calculation
//Turgut Tezir PROJECT 2
#include<iostream.h>
#include<ctype.h>
void Add(int n1, int d1, int n2, int d2, int &n, int &d);
void Sub(int n1, int d1, int n2, int d2, int &n, int &d);
void Mult(int n1, int d1, int n2, int d2, int &n, int &d);
void Div(int n1, int d1, int n2, int d2, int &n, int &d);
void Reduce(int &n, int &d);
void Compute(char &op, int n1, int d1, int n2, int d2, int &n, int &d);
void main(void)
{
int num1=0,dem1=0,num2=0,dem2=0,num=0,dem=0;
char loop=’n’, dummy=’/’, op;
do
{
cout<<“\n Enter operation: (ex: 1/2+2/3): “;
cin>>num1>>dummy>>dem1>>op>>num2>>dummy>>dem2;
Compute(op,num1,dem1,num2,dem2,num,dem);
Reduce(num,dem);
if(op==’+’)
cout<<“\n”<<” Addition :”;
else if(op==’-‘)
cout<<“\n”<<” Subtraction :”;
else if(op==’*’)
cout<<“\n”<<” Multiplication :”;
else if(op==’/’)
cout<<“\n”<<” Division :”;
if(dem==1)
cout<<num;
else if(num==dem)
cout<< ” 1 “;
else cout<<num<<dummy<<dem;
cout<<“\n Do another: (y/n)”;
cin>>loop;
}
while(tolower(loop)==’y’);
cout<<“\n Bye! Have a Nice Day”;
}
void Add(int n1, int d1, int n2, int d2, int &n, int &d)
{
n=(n1*d2)+(d2*n2);
d=(d1*d2);
}
void Sub(int n1, int d1, int n2, int d2, int &n, int &d)
{
n=(n1*d2)+(d2*n2);
d=(d1*d2);
}
void Mult(int n1, int d1, int n2, int d2, int &n, int &d)
{
n=(n1*n2);
d=(d1*d2);
}
void Div(int n1, int d1, int n2, int d2, int &n, int &d)
{
n=(n1*d2);
d=(d1*n2);
}
void Reduce(int &n, int &d)
{
int i=2;
for(; i<n||i<d;i++)
while( (n%i==0) && (d%i==0) )
{
n/=i;
d/=i;
}
}
void Compute(char &op, int n1, int d1, int n2, int d2, int &n, int &d)
{
switch(op)
{
case’+':Add(n1,d1,n2,d2,n,d);
break;
case’-‘:Sub(n1,d1,n2,d2,n,d);
break;
case’*':Mult(n1,d1,n2,d2,n,d);
break;
case’/':Div(n1,d1,n2,d2,n,d);
break;
Default:cout<< “\n Invalid Operation!”;
}
}
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Class Rectangle
#include<iostream.h>
#include<iomanip.h>
class Rectangle
{
public:
Rectangle(double=1.0,double=1.0);
double Perimeter (void);
double Area (void);
void Setwidth(double w);
void Setlength(double l);
double getwidth(void);
double getlength(void);
private:
double length;
double width;
};
Rectangle::Rectangle(double w, double l)
{
Setwidth (w);
Setlength (l);
}
double Rectangle::Perimeter (void)
{
return 2*(width+length);
}
double Rectangle::Area (void)
{
return width*length;
}
void Rectangle::Setwidth (double w)
{
width=w>0.0&&w<20.00?w:1.0;
}
void Rectangle::Setlength (double l)
{
length=l>0.0&&l<20.00?l:1.0;
}
double Rectangle::getwidth (void)
{
return width;
}
double Rectangle::getlength (void)
{
return length;
}
void main (void)
{
Rectangle a, b(4.0, 5.0), c(67.0, 888.0);
cout<<setiosflags(ios::showpoint|ios::fixed)
<<setprecision(1);
cout<<“a:Length = “<<a.getlength()
<<“;Width = “<<a.getwidth()
<<“;perimeter = “<<a.Perimeter()
<<“;Area = “<<a.Area()<<‘\n';
cout<<“b:length = “<<b.getlength()
<<“;width = “<<b.getwidth()
<<“;perimeter = “<< b.Perimeter()
<<“;Area = “<<b.Area()<<‘\n';
cout<<“C:length= “<<c.getlength()
<<“;width = “<<c.getwidth()
<<“;perimeter = “<<c.Perimeter()
<<“;Area = “<<c.Area();
}
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Semester
//10/22/02 Write a program that takes a string from the keyboard & uses a function to output one character per line each charactre of the string and its integer equivalant PROJECT: Write a Program or generate this program Input file:Wordi.txt a Contains Generated by your program b Contained 1000 rondom integer values between 7 And 21000 OUTPUT FILE: Wordo.txt Generated by this modified program sort all integer values RESULT: Result.txt screen outputs you should have two program After you complite all program you will total 5 programs NOTE clock_t (type) Defined In time.h Description The CLK_TCK constant defines the number of clock ticks per second. This data type is returned by the clock function stores an elapsed time measured in clock ticks. Project wordi.txt for 1000 generated random integer values between 7 & 21000 Output file: wordo.txt for the sorted values Screen file: result.txt for all screen output
#include<iostream.h>
#include<stdlib.h>
#include<time.h>
#include<ctype.h>
void InsertSort(char c[], const int SIZE);
void PrintAr(char a[], const int SIZE);
void BubbleSort(char a[], const int SIZE);
int BinarySearch(const char [], char, int, int, int);
int LinearSearch(const char [], char, int);
void main( void )
{
long z = 99000000L;
char loop[4];
srand( unsigned(time(0)));
const int SIZE=40;
char a[SIZE], searchkey;
int element;
clock_t start, finish;
float duration;
do
{
for (int i=0; i<SIZE; i++)
{
a[i] = char((65 + rand() % 57));
cout << a[i] << ” “;
if(i%9 ==0) cout << ‘\n';
}
cout << “\n\n”;
/* Measure the duration of a BubbleSort event. */
cout << “\n\nMeasuring the duration of a BubbleSort event.\n\n “;
start = clock();
z = 99000000L;
while( z– );
BubbleSort(a, SIZE);
finish = clock();
duration = (float)(finish – start) / CLOCKS_PER_SEC;
cout << ” seconds: ” << duration << “\n\n”;
PrintAr(a, SIZE);
for ( i=0; i<SIZE; i++)
{
a[i] = char((65 + rand() % 57));
cout << a[i] << ” “;
if(i%9 ==0) cout << ‘\n';
}
/* Measure the duration of a SelectionSort event. */
cout << “\n\nMeasuring the duration of a InsertionSort event.\n\n”;
start = clock();
z = 99000000L;
while( z– );
InsertSort(a, SIZE);
finish = clock();
duration = (float)(finish – start) / CLOCKS_PER_SEC;
cout << ” seconds: ” << duration << “\n\n”;
PrintAr(a, SIZE);
/* Measure the duration of a Binary Search event. */
cout << “\n\nMeasurin the duration of a BinarySearch event.\n\n”;
cout << “\nEnter Search Key: “;
cin >> searchkey;
cout << “\n\nTime to do Binary Search: ” << searchkey;
start = clock();
z = 99000000L;
while( z– );
element = BinarySearch(a, searchkey, 0, SIZE-1, SIZE);
finish = clock();
duration = (float)(finish – start) / CLOCKS_PER_SEC;
cout << ” seconds: ” << duration << ” ” << “Element: ” << a[element];
cout << “\n\nMeasurin the duration of a LinearSearch event.\n\n”;
cout << “\n\nTime to do Linear Search: ” << searchkey;
start = clock();
z = 99000000L;
while( z– );
element = LinearSearch(a, searchkey,SIZE);
finish = clock();
duration = (float)(finish – start) / CLOCKS_PER_SEC;
cout << ” seconds: ” << duration << ” ” << “Element: ” << a[element];
cout << “\nDo Another (y/n)?”;
cin >> loop;
}while(tolower(loop[0]) == ‘y’);
cout << “\nBye….”;
}
int BinarySearch(const char a[], char key, int low, int high, int size)
{
int middle=0;
while( low<=high)
{
middle = (low + high) /2;
if(key == a[middle])
return middle;
else if( key < a[middle])
high = middle -1;
else low = middle + 1;
}
return -1;
}
int LinearSearch(const char a[], char key, int size)
{
for( int n=0; n < size; n++)
if(a[n] == key)
return n;
return -1;
}
void BubbleSort(char a[], const int SIZE)
{
int hold=0;
for( int pass=1; pass < SIZE; pass++)
for( int j=0; j< SIZE-1; j++)
if(a[j] > a[j+1])
{
hold = a[j];
a[j] = a[j+1];
a[j+1] = hold;
}
}
void InsertSort(char c[], const int SIZE)
{
int position, insert;
for(int i = 1; i < SIZE; i++)
{
insert = c[i];
for (position = i – 1; position >= 0 && insert < c[position]; position–)
c[position + 1] = c[position];
c[position + 1] = insert;
}
}
void PrintAr(char a[], const int SIZE)
{
for(int j=0; j<SIZE; j++)
{
cout << a[j] << ” “;
if(j%9 ==0) cout << ‘\n';
}
cout << ‘\n';
}
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Calculate Tax
#include <iostream.h>
#include <iomanip.h>
int main ()
{
double x, y, z,
sum, total,
tax = 0.0875;
cout << “\n Enter First price: “;
cin >> x;
cout << “\n Enter second price: “;
cin >> y;
cout << “\n Enter third price : “;
cin >> z;
sum= (x + y + z);
tax =static_cast< double >(sum) * 0.0875;
total = sum + tax;
total = sum + tax;
cout<<“********************”<<“total :”<<total << endl;
return 0;
}
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Power
#include <iostream.h>
int integerPower(int,int); // function prototype
int main()
{
int base, exponent;
cout<<“\n Enter base : “;
cin>> base;
cout<<“\n Enter exponent: “;
cin>> exponent;
cout<< integerPower(base, exponent) <<endl;
return 0;
}
int integerPower(int b, int e)
{
int number =1;
for (int i =1; i<=e; i++)
 
number= number * b;
return number;
}
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Total Price xyz
#include <iostream.h>
#include <iomanip.h>
int main ()
{
double x, y, z,
sum, total,
tax = 0.0875;
cout << “\n Enter First price: “;
cin >> x;
cout << “\n Enter second price: “;
cin >> y;
cout << “\n Enter third price : “;
cin >> z;
sum= (x + y + z);
tax =static_cast< double >(sum) * 0.0875;
total = sum + tax;
cout << “\n Without tax Pric is………..:”<< sum << endl;
cout <<“\n Tax is…………………….: “<< setprecision(2)
<<setiosflags(ios::fixed | ios::showpoint)<< tax << endl;
total = sum + tax;
cout<<“\nThe total price is……………:”<< total << endl;
return 0;
}
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Roll a six-sided die 6000 times
#include <iostream.h>
#include <iomanip.h>
#include <stdlib.h>
//#include <ctime.h>
int main()
{
const int arraySize =7;
int face, frequency[arraySize]={0};
srand(time(0));
for (int roll=1; roll<=6000; roll++)
++frequency[1+rand() %6]; // replace 20 line switch
cout<< “Face” <<setw(13) <<“Frequency” <<endl;
// ignore element zero inthe frequency array
for (face=1; face < arraySize; face++)
cout<< setw(4) << face <<setw(13) << frequency[face] <<endl;
return 0;
}
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40 student Cafeteria 1 to 10
#include <iostream.h>
#include <iomanip.h>
int main()
{
const int responseSize =40, frequencySize = 11;
int responses[ responseSize ] = {1,1,1,1,1,1,2,2,2,3,4,5,6,7,8,6,5,4,5,3,5,3,
3,5,6,7,4,2,1,1,2,1,2,3,4,5,6,7,8,9};
int frequency [ frequencySize ] = {0};
for ( int answer = 0; answer < responseSize; asnwer++)
++frequency [responses[answer] ];
cout <<“Rating” << setw(17) << “Frequency” << endl;
for ( int rating = 1; rating < frequencySize; rating++)
cout << setw(6) << rating
<<setw(17) <<frequency[ rating] endl;
return 0;
}
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Random
#include <iostream.h>
#include <iomanip.h>
#include <cstdlib>
int main()
{
for (int i= 1; i <=10; i++)
{
cout<<setw(10) << (1+rand() % 100);
if (i % 99 ==0)
cout<<endl;
}
return 0;
}
2 String & mystery
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// Turgut Tezir
#include<iostream.h>
void mystery1(char *, const char *);
int main()
{
char string1[80], string2[80];
cout <<“Enter two string:”;
cin >>string1>>string2;
mystery1(string1, string2);
cout<<string1<<endl;
return 0;
}
void mystery1(char *s1, const char *s2)
{
while (*s1 !=’\0′)
++s1;
for (; *s1 = *s2; s1++, s2++)
; // emty statement
}
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Operation Program
//Turgut Tezir CS503.2330 This is operation program
#include<iostream.h>
#include<ctype.h>
float Add(float n1, float n2);
float Sub(float n1, float n2);
float Mult(float n1, float n2);
float Div(float n1, float n2);
float pow(float n1, float n2)
float Compute(float &n1, float &n2);
void main(void)
{
int num1, num2;
cout <<“\n Enter mum1: “;
cin >> n1;
cout <<“\n Enter num2: “;
cin >> n2;
}
void Add(float n1, float n2)
{
n=(n1+n2);
}
float Sub(float n1, float n2)
{
n=(n1-n2);
}
float Mult(float n1, float n2)
{
n=(n1*n2);
}
void Div(int n1, int d1, int n2, int d2, int &n, int &d)
{
n=(n1/n2);
}
void Reduce(int &n, int &d)
{
int i=2;
for(; i<n||i<d;i++)
while((n%i==0) && (d%i==0))
{
n/=i;
d/=i;
}
}
void Compute(char &op, int &n1, int &d1, int &n2, int &d2, int &n, int &d)
{
switch(op)
{
case’+':Add(n1,d1,n2,d2,n,d);
break;
case’-‘:Sub(n1,d1,n2,d2,n,d);
break;
case’*':Mult(n1,d1,n2,d2,n,d);
break;
case’/':Div(n1,d1,n2,d2,n,d);
break;
default:cout<< “\n Invalid Operation!”;
}
}
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Compute calculation Add, Sub, Mult, Div
#include<iostream.h>
#include<ctype.h>
//typedef int integer
void Add(int n1, int d1, int n2, int d2, int &n, int &d);
void Sub(int n1, int d1, int n2, int d2, int &n, int &d);
void Mult(int n1, int d1, int n2, int d2, int &n, int &d);
void Div(int n1, int d1, int n2, int d2, int &n, int &d);
void Reduce(int &n, int &d);
void Compute(char &op, int &n1, int &d1, int &n2, int &d2, int &n, int &d);
void main(void);
{
int num1=0,dem1=0,num2=0,dem2=0,num=0,dem=0;
char loop=’n’, dummy=’/’, op;
do
{
cout <<“\n Enter operation: (ex: 1/2 + 2/3): “;
cin >> num1>>dummy>>den1>>op>>num2>>dummy>>den2;
compute(op,num1,den1,num2,den2,num,den);
reduce(num,den);
if (dem==1)
cout<<‘\n'<<num1<<dummy<<den1<<op<<num2<<dummy<<den2<<‘=';
if(dem==1)
cout<<num;
else if(num==den)
cout<< ” 1 “;
else cout<<num<<dummy<<den;
cout<<“\n Do another: (y/n)”;
cin>>loop;
{
while(tolower(loop)==’y’);
cout<<“\n Bye!”;
}// closin main
void Add(int n1, int d1, int n2, int d2, int &n, int &d)
{
n=(n1*d2)+ (d2*n2);
d=(d1*d2);
}
void Sub(int n1, int d1, int n2, int d2, int &n, int &d)
{
n=(n1*d2)- (d1*n2);
d=(d1*d2);
}
void Mult(int n1, int d1, int n2, int d2, int &n, int &d)
{
n=(n1*n2);
d=(d1*d2);
}
void Div(int n1, int d1, int n2, int d2, int &n, int &d)
{
n=(n1*n2);
d=(d1*d2);
}
void Reduce(int &n, int &d)
{
int i=2;
for(; i<num||i<den;i++)
while(num%i==0&d
den%i==0)
{
n/=i;
d/=i;
}
}
void Compute(char op, int &n1, int &d1, int &n2, int &d2, int &n, int &d)
{
switch(op)
{
case’+':Add(n1,d1,n2,d2,n,d);
break;
case’-‘:Sub(n1,d1,n2,d2,n,d);
break;
case’*':Mult(n1,d1,n2,d2,n,d;
break;
case’/':Div(n1,d1,n2,d2,n,d);
break;
default:cout<< “\n Invalid Operation!”;
}
}
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Getline
// 10/10/02 Thursday
#include <string.h>
#include <iostream.h>
#include <ctype.h>
void main (void)
{
const int SIZE = 60;
char ar [SIZE];
cout <<“\n Enter String: “;
cin.getline(ar, SIZE);
cout << ar;
//strlen tells the how many string you enter.
cout << ‘\n’ <<strlen(ar);
cout <<‘\n’ <<sizeof(ar)<<‘\n';
for (int i=strlen(ar)-1; i>-1; i–)
cout << ar[i];
cout<<‘\n';
for (i=0; i<strlen(ar); i++)
cout << ar[i];
//isspace is count the spac
int cnt=0;
for (i=0; i<strlen(ar); i++)
if (isspace(ar[i]))
cnt ++;
cout<<“\n #of the space:” << cnt;
}
//int cnt=0;
//for (i=0; i<strlen(ar); i++)
//if (ar[i] ==’ ‘)
//cnt++;
//cout<<“\n #of the space:” << cnt;
//}
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Getline2
// 10/10/02 Thursday
#include <string.h>
#include <iostream.h>
void main (void)
{
const int SIZE = 60;
char ar [SIZE];
cout <<“\n Enter String: “;
cin.getline(ar, SIZE);
cout << ar;
//strlen tells the how many string you enter.
cout << ‘\n’ <<strlen(ar);
cout <<‘\n’ <<sizeof(ar)<<‘\n';
for (int i=strlen(ar)-1; i>-1; i–)
cout << ar[i];
cout<<‘\n';
for (i=0; i<strlen(ar); i++)
cout << ar[i];
}
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Prints the array in tabular format
// initialize the elements of a ten elements integer array n to zeros
//and prints the array in tabular format.
#include <iostream.h>
#include <iomanip.h>
int main()
(
int i, n[10];
for (i=0; i<10; i++) // initialize array
n[i]=0;
cout << “Element” << setw(13) <<“Value” << endl;
for (i=0; i<10; i++) //print array
cout << setw(7) <<i << setw(13) <<n[i] << endl;
return 0;
}
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