Append two arrays cpp program

Program to append two integer arrays into a single array

 

#include<stdio.h>

#include<iostream.h>                                  

#include<conio.h>                   

#include<stdlib.h>

class array

{private:

          int a1[100],a2[100],a3[100];

          int n1,n2;

 public:

          void readarray();

          void displayarray();

          void append();

};

void array::readarray()

{

          cout<<"\n    Enter the elements of the first array";

cout<<"\n    How many elements in the first array ";

cin>>n1;

for(int i=0;i<n1;i++)

                   {cout<<"\n  Enter the element " <<i+1 <<" ";

cin>>a1[i];

}

cout<<"\n    Enter the elements of the second array";

cout<<"\n    How many elements in the second array ";

cin>>n2;

for( i=0;i<n2;i++)

                   {cout<<"\n  Enter the element " <<i+1 <<" ";

cin>>a2[i];

}

}

void array::displayarray()

{        cout<<"\n   Elements of the first array\n";

for(int i=0;i<n1;i++)

cout<<a1[i] <<" ";

cout<<"\n    Elements of the second array\n";

for(i=0;i<n2;i++)

cout<<a2[i] <<" ";

}

void array::append()

{        for(int i=0;i<n1;i++)

                   a3[i]=a1[i];

for(int j=0;j<n1+n2;i++,j++)

                   a3[i]=a2[j];

cout<<"\n    Elements of the appended array\n";

for( i=0;i<n1+n2;i++)

cout<<a3[i] <<" ";

}

void main()

{ int c;

  char ch;

   array a;

 while(1)

  {      clrscr();

          cout<<"Perform the following operations "<<endl;

          cout<<"------------------------------------------"<<endl;

          cout<<"1.Insert elements to array \n";

          cout<<"2.Display arrays \n";

          cout<<"3.Append arrays \n";

          cout<<"4.Exit from Program \n";

          do

          {        cout<<"Select your choice(1:3)";

                   cin>>c;

          }

          while((c<1)||(c>4));

   if(c==4)exit(1);

   clrscr();

   switch(c)

     {   case 1:

                              a.readarray();

break;

          case 2:

                   a.displayarray();

                    break;

          case 3:

                   //a.displayarray();

                   a.append();

                   break;

     }

  cout<<endl<<"Press any key to continue...";

  getch();

   }

}