BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 3 - Write a C++ Program to read an integer number and find the sum of all digits until it reduces to a single digit using constructor, destructor and inline member functions

 

Bharathiar University

Programming in C++ Lab

C++ Program 3

Write a C++ Program to read an integer number and find the sum of all digits until it reduces to a single digit using constructor, destructor and inline member functions

In this page

• C++ Source Code for Visual Studio Code
• C++ Source Code for MS Dos Turbo C++

FOR VISUAL STUDIO CODE

#include <iostream>

using namespace std;

class SumofDigits {

      

  public:

    long int n;

    SumofDigits()

    {

      n=0;

     

    }

    inline void getInteger() {

      cout << "Enter an Integer Number:";

      cin >> n;

    }

    int sum() 

    {

      int s = 0, r;

      while (n>0||s>9) {

if(n == 0)

        {

            n = s;

            s = 0;

        }

      r = n % 10;

          s = s + r;

          n = n / 10;

}

      return s;

  }

  ~SumofDigits()

  {

    cout<<"End of Program. Object Deleted";

  }

};

int main() {

  SumofDigits SD;

  int result;

   cout<<"Sum Of Digits"<<endl;

      cout<<"*************"<<endl;

  SD.getInteger();

  result = SD.sum();

  cout << "Sum of all digits of a number is " << result<<endl;

  return 0;

}

Output

Sum Of Digits

*************

Enter an Integer Number:12343

Sum of all digits of a number is 4

End of Program. Object Deleted

Turbo c++

#include <iostream.h>

#include<conio.h>

class SumofDigits {

   public:

    long int n;

    SumofDigits()

    {

n=0;

    }

    int sum();

    inline void getInteger() {

      cout << "Enter an Integer Number:";

      cin >> n;

    }

    ~SumofDigits()

  {

    cout<<"End of Program. Object Deleted";

  }

};

 int SumofDigits::sum()

    {

      int s = 0, r;

      while (n>0||s>9) {

if(n == 0)

        {

            n = s;

            s = 0;

        }

  r = n % 10;

  s = s + r;

  n = n / 10;

}

      return s;

  }

int main() {

  SumofDigits SD;

  int result;

  clrscr();

  cout<<"Sum Of Digits"<<endl;

cout<<"*************"<<endl;

  SD.getInteger();

  result = SD.sum();

  cout << "Sum of all digits of a number is " << result<<endl;

  getch();

  return 0;

}

OUTPUT

BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 5 - Write a C++ Program to create a class STRING. Write a member function to initialize, get and display strings. Overload the operators ++ and == to concatenate two Strings and to compare two strings respectively.

 

 Bharathiar University

Programming in C++ Lab

C++ Program 5

Write a C++ Program to create a class STRING. Write a member function to initialize, get and display strings. Overload the operators ++ and == to concatenate two Strings and to compare two strings respectively.

In this page

• C++ Source Code for Visual Studio Code
• C++ Source Code for MS Dos Turbo C++

FOR VISUAL STUDIO CODE

Source code

#include <iostream>    

#include<string.h>

#include<stdio.h>

using namespace std;    

class STRING    

{    

        public:    

      string s;    

    

       void initialize()

       {

        s="";

    

       }    

       void get()

       {

          cin >> s;  

                   

       }

       void operator+(STRING ob)

       {     

              s.append(" "+ob.s);

              display(); 

             

       }  

       void operator==(STRING ob)

       {     

         if (s.compare(ob.s)==0)

               cout<<"Given Strings are equal"<<endl;

         else

           

                 cout<<"Strings are not equal"<<endl;

                    

       }    

       

      void display() {     

           cout<<"Concatenated String: "<<s<<endl;     

       }    

};    

int main()    

{    

    STRING ob1,ob2;

    ob1.initialize();

    ob2.initialize();

    cout << " Enter the first string: "; 

    ob1.get();

    cout << "\n Enter the second string: ";  

    ob2.get();

    ob1==ob2;

    ob1+ob2;

    

   

           

    return 0;    

}    

OUTPUT 1

Enter the first string: hello

 Enter the second string: world

Strings are not equal

Concatenated String: hello world

OUTPUT 2

 Enter the first string: hello

 Enter the second string: hello

Given Strings are equal

Concatenated String: hello hello

SOURCE CODE FOR TUBO C++(MS DOS)

#include <iostream.h>

#include <string.h>

#include<stdlib.h>

#include<conio.h>

class STRING

{

                public:

                 char s[100];

 

       void initialize()

       {

        }

       void get()

       {              

    cin >> s;

        }

       void operator+(STRING ob)

       {

 

                      strcat(s,ob.s);

                      display();

        }

       void operator==(STRING ob)

       {

                 if (strcmp(s,ob.s)==0)

                       cout<<"Given Strings are equal"<<endl;

                 else

                      cout<<"Strings are not equal"<<endl;

        }

 

      void display() {

                   cout<<"Concatenated String: "<<s<<endl;

       }

};

int main()

{

clrscr();

    STRING ob1,ob2;

     ob1.initialize();

    ob2.initialize();

    cout << " Enter the first string: ";

    ob1.get();

    cout << "\n Enter the second string: ";

    ob2.get();

    ob1==ob2;

    ob1+ob2;

    getch();

    return 0;

}   

Sample output

 

BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 2 - C++ Program to Write a C++ Program to create a class ARITHMETIC which consists of a FLOAT and an INTEGER variable. Write member functions ADD(), SUB(), MUL(), DIV() to perform addition, subtraction, multiplication and division respectively. Write a member function to get and display values.

 

 Bharathiar University

Programming in C++ Lab

C++ Program 2

Write a C++ Program to create a  class ARITHMETIC which consists of a FLOAT and an INTEGER variable. Write member functions ADD(), SUB(), MUL(), DIV() to perform addition, subtraction, multiplication and division respectively. Write a member function to get and display values.

In this page

• C++ Source Code for Visual Studio Code
• C++ Source Code for MS Dos Turbo C++

FOR VISUAL STUDIO CODE

#include<iostream>

#include<iomanip>

using namespace std;

class Arithmetic

{

    public:

    int a,b,ans;

    float q;

    void getvalues()

    {

cout<<"Enter two numbers:";

cin>>a>>b;

    }

    void display(int result)

    {

  cout<<result<<endl;

    }

    void displayFloat(float result)

    {

  cout<<setprecision(3)<<result<<endl;

    }

    int add()

    {

ans=a+b;

return ans;

    }

    int sub()

    {

ans=a-b;

return ans;

    }

    int mul()

    {

ans=a*b;

return ans;

    }

    float div()

    {

q=a/b;

return q;

    }

};

int main()

{

    class Arithmetic arith;

    int r;

    float f;

    arith.getvalues();

    r=arith.add();

    cout<<"Addition:";

    arith.display(r);

    r=arith.sub();

    cout<<"Subtraction:";

    arith.display(r);

    r=arith.mul();

    cout<<"Multiplication:";

    arith.display(r);

    f=arith.div();

    cout<<"Division:";

    arith.displayFloat(f);

    

return 0;

}

OUTPUT

Enter two numbers:20

9

Addition:29

Subtraction:11

Multiplication:180

Division:2.22

SOURCE CODE FOR TUBO C++(MS DOS)

#include<iostream.h>

#include <iomanip.h>

#include<conio.h>

class Arithmetic

{

    public:

    int a,b,ans;

    float q;

 

    void getvalues()

    {

                cout<<"Enter two numbers:";

                cin>>a>>b;

    }

    void display(int result)

    {

                  cout<<result<<endl;

    }

    void displayFloat(float result)

    {

                  cout<<setprecision(3)<<result<<endl;

    }

    int add()

    {

                ans=a+b;

                return ans;

 

    }

    int sub()

    {

                ans=a-b;

                return ans;

 

    }

    int mul()

    {

                ans=a*b;

                return ans;

 

    }

    float div()

    {

                q=(float)a/b;

                return q;

    }

 

 

};

 

int main()

{

    class Arithmetic arith;

    int r;

    float f;

    clrscr();

    arith.getvalues();

    r=arith.add();

    cout<<"Addition:";

    arith.display(r);

    r=arith.sub();

    cout<<"Subtraction:";

    arith.display(r);

    r=arith.mul();

    cout<<"Multiplication:";

    arith.display(r);

    f=arith.div();

    cout<<"Division:";

    arith.displayFloat(f);

    getch();

    return 0;

 

}

 

 OUTPUT

BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 12 - C++ Program to merge two files into single file

 

Bharathiar University

Programming in C++ Lab

C++ Program 12

Write a C++ Program to Merge Two Files into Single File

In this Page:

• C++ Source Code for Visual Studio Code
• C++ Source Code for MS Dos Turbo C++

FOR VISUAL STUDIO CODE

/*  C++ Program to Merge Two Files into a Single file  */

#include<iostream>

#include<fstream>

#include<stdio.h>

#include<stdlib.h>

using namespace std;

int main()

{

        ifstream fp1, fp2;

        ofstream fp3;

        char ch, fname1[100], fname2[100], fname3[100];

        cout<<"Enter first file name with extension: ";

        cin>>fname1;

        cout<<"\nEnter second file name with extension: ";

        cin>>fname2;

        cout<<"\nEnter target file with extension to copy: ";

        cin>>fname3;

        fp1.open(fname1);

        fp2.open(fname2);

        fp3.open(fname3); 

        if(!fp1 || !fp2 || !fp3)

        {

                perror("\nError Message in file opening ");

                exit(EXIT_FAILURE);

        }

        

        while(!fp1.eof())

        {

                fp1>>noskipws>>ch;

                fp3<<ch;

        }

        while(!fp2.eof())

        {

                fp2>>noskipws>>ch;

                fp3<<ch;

        }

        cout<<"\nThe two files were merged into "<<fname3<<" file successfully....!!\n";

        fp1.close();

        fp2.close();

        fp3.close();

        return 0;

}

OUTPUT:

Enter first file name with extension: sample1.txt

Enter second file name with extension: sample2.txt

Enter target file with extension to copy: output.txt

The two files were merged into output.txt file successfully....!!

FOR TURBO C++

/*  C++ Program to Merge Two Files into a Single file  */

 

#include<iostream.h>

#include<fstream.h>

#include<stdio.h>

#include<stdlib.h>

#include<conio.h>

int main()

{

                ifstream fp1, fp2;

                ofstream fp3;

                clrscr();

                char ch, fname1[100], fname2[100], fname3[100];

 

                cout<<"Enter first file name with extension :: ";

                cin>>fname1;

                cout<<"\nEnter second file name with extension :: ";

                cin>>fname2;

                cout<<"\nEnter third file with extension to copy :: ";

                cin>>fname3;

 

                fp1.open(fname1);

                fp2.open(fname2);

                fp3.open(fname3);

 

                if(!fp1 || !fp2 || !fp3)

                {

                                perror("\nError Message in file opening ");

                                exit(EXIT_FAILURE);

                }

 

 

                while(fp1.eof()==0)

                {

                                fp1>>ch;

                                fp3<<ch;

                }

 

                while(fp2.eof()==0)

                {

                                fp2>>ch;

                                fp3<<ch;

                }

 

                cout<<"\nThe two files were merged into "<<fname3<<" file successfully....!!\n";

 

                fp1.close();

                fp2.close();

                fp3.close();

                getch();

                return 0;

}

OUTPUT:

BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 1 - C++ Program to implement stack data structure

 Bharathiar University

Programming in C++ Lab

C++ Program 1

Write a C++ Program to create a class to implement the data structure STACK. Write a constructor to initialize the TOP of the STACK. Write a member function PUSH() to insert an element and member function POP() to delete an element check for overflow and underflow.

In this page

• C++ Source Code for Visual Studio Code
• C++ Source Code for MS Dos Turbo C++

FOR VISUAL STUDIO CODE

#include<iostream>

using namespace std;

  

#define MAX 1000 //max size for stack

class Stack

{

   public:

   int top;

   int myStack[MAX]; //stack array

  

   Stack() { top = -1; }

   bool push(int x);

   int pop();

   void viewStack();

};

   //pushes element on to the stack

   bool Stack::push(int item)

   {

      if (top >= (MAX-1)) {

      cout << "Stack Overflow!!!";

      return false;

   }

else {

   myStack[++top] = item;

   cout<<item<<endl;

   return true;

   }

}

  

//removes or pops elements out of the stack

int Stack::pop()

{

   if (top < 0) {

      cout << "Stack Underflow!!";

      return 0;

   }

else {

       int item = myStack[top--];

      return item;

   }

}

void Stack::viewStack()

{

if(top<0)

{

cout<<"Stack has no elements\n";

}

else

{

for(int i=top;i>=0;i--)

cout<<"| "<<myStack[i]<<" |\n------\n";

}

}

// main program to demonstrate stack functions

int main()

{

   class Stack st;

   int item,ch=0;

   do

   {

   cout<<"1.PUSH\n";

   cout<<"2.POP\n";

   cout<<"3.VIEW STACK\n";

   cout<<"4.Quit\n";

   cout<<"Enter your choice:";

   cin>>ch;

   

   switch(ch)

   {

case 1:

cout<<"PUSH the Item into Stack\n";

cout<<"Enter the item:";

cin>>item;

st.push(item);

break;

case 2:

cout<<"POP the Item from Stack\n";

item=st.pop();

cout<<"Item "<<item<<" is deleted\n";

break;

case 3:

cout<<"STACK\n";

st.viewStack();

break;

   case 4:

      cout<<"Thank You";

      break;

default:

cout<<"Please enter Correct choice\n";

break;

   }

   }while(ch!=4);

   return 0;

}

OUTPUT

1.PUSH

2.POP

3.VIEW STACK

4.Quit

Enter your choice:1

PUSH the Item into Stack

Enter the item:30

30

1.PUSH

2.POP

3.VIEW STACK

4.Quit

Enter your choice:3

STACK

| 30 |

------

| 20 |

------

| 10 |

------

1.PUSH

2.POP

3.VIEW STACK

4.Quit

Enter your choice:2

POP the Item from Stack

Item 30 is deleted

1.PUSH

2.POP

3.VIEW STACK

4.Quit

Enter your choice:3

STACK

| 20 |

------

| 10 |

------

1.PUSH

2.POP

3.VIEW STACK

4.Quit

Enter your choice:4

Thank You

SOURCE CODE FOR TUBO C++(MS DOS)

#include<iostream.h>

#include<stdio.h>

#include<conio.h>

#define MAX 1000

class Stack

{

   public:

   int top;

   int myStack[MAX];

   Stack() {

      top = -1;

    }

    void push(int x);

   int pop();

   void viewStack();

};

   //pushes element on to the stack

   void Stack::push(int x)

   {

      if (top >= (MAX-1)) {

      cout << "Stack Overflow!!!";

   }

else {

   myStack[++top] = x;

   cout<<"Item "<<x<<"is pushed into stack"<<endl;

   }

}

//removes or pops elements out of the stack

int Stack::pop()

{

   if (top < 0) {

      cout << "Stack Underflow!!";

      return 0;

   }

else {

       int x = myStack[top--];

      return x;

   }

}

void Stack::viewStack()

{

if(top<0)

{

cout<<"Stack has no elements\n";

}

else

{

for(int i=top;i>=0;i--)

cout<<"| "<<myStack[i]<<" |\n------\n";

}

}

// main program to demonstrate stack functions

int main()

{

   class Stack st;

   int x,ch=0;

   clrscr();

   do

   {

   cout<<"1.PUSH\n";

   cout<<"2.POP\n";

   cout<<"3.VIEW STACK\n";

   cout<<"4.Quit\n";

   cout<<"Enter your choice:";

   cin>>ch;

   switch(ch)

   {

case 1:

cout<<"PUSH the Item into Stack\n";

cout<<"Enter the item:";

cin>>x;

st.push(x);

break;

case 2:

cout<<"POP the Item from Stack\n";

x=st.pop();

cout<<"Item "<<x<<" is deleted\n";

break;

case 3:

cout<<"STACK\n";

st.viewStack();

break;

   case 4:

      cout<<"Thank You";

      break;

default:

cout<<"Please enter Correct choice\n";

break;

   }

   }while(ch!=4);

   getch();

   return 0;

}

SAMPLE OUTPUT