oops expt 3 a,b,c :D

/* aim: to study and implement overloaded functions
1. write a c++ program using function overloading to find the maximum of two ints, 3 floats,3 doubles
2. write a c++ program to swap 2 ints 2 floats and 2 characters
3. to compute the area of various geometrical entries, such as circle triangle, rectangle and square. use classes and array of objects


*/

#include<iostream.h>

void max(int a, int b)
{
    if (a>b)
        cout<<"\nmaximum is "<<a;
    else if(a<b)
        cout<<"\nmaximum is "<<b;
    else
        cout<<"both equal";
}



void max(float a, float b, float c)
{
    if (a>b && a>c)
        cout<<"\nmaximum is "<<a;
    else if(b>a && b>c)
        cout<<"\nmaximum is "<<b;
    else
        cout<<"\nmaximum is "<<c;
}



void max(double a, double b, double c)
{
    if (a>b && a>c)
        cout<<"\nmaximum is "<<a;
    else if(b>a && b>c)
        cout<<"\nmaximum is "<<b;
    else
        cout<<"\nmaximum is "<<c;
}



int main()
{
    int ch;
    do
    {

        cout<<" \n\n1.max of 2 ints\n2.max of 3 floats\n3. max of 3 doubles\n4.exit  Enter choice";
        cin>>ch;
        switch(ch)
        {
        case 1:
            cout<<"enter 2 ints";
            int a,b;
            cin>>a>>b;
            max(a,b);
            break;
        case 2:
            cout<<"enter 3 floats";
            float c,d,e;
            cin>>c>>d>>e;
            max(c,d,e);
            break;
        case 3:
            cout<<"enter 3 doubles";
            double f,g,h;
            cin>>f>>g>>h;
            max(f,g,h);
            break;
        case 4:
            break;
        default:
            break;
        }
    }while(ch!=4);
        return 0;
}


/*

1.max of 2 ints
2.max of 3 floats
3. max of 3 doubles
4.exit  Enter choice1
enter 2 ints2 5

maximum is 5

1.max of 2 ints
2.max of 3 floats
3. max of 3 doubles
4.exit  Enter choice3
enter 3 doubles2.5 4.6 89.6

maximum is 89.6

1.max of 2 ints
2.max of 3 floats
3. max of 3 doubles
4.exit  Enter choice4
Press any key to continue
*/











/* aim: to study and implement overloaded functions
1. write a c++ program using function overloading to find the maximum of two ints, 3 floats,3 doubles
2. write a c++ program to swap 2 ints 2 floats and 2 characters
3. to compute the area of various geometrical entries, such as circle triangle, rectangle and square. use classes and array of objects


  program 2
*/



#include<iostream.h>

void swap(char a, char b)
{
    char t;
    t=a;
    a=b;
    b=t;
    cout<<"the swapped chars are "<<a<<" and "<<b;

}



void swap(float a, float b)
{
    float t;
    t=a;
    a=b;
    b=t;
    cout<<"the swapped floats are" <<a<<" and "<<b;

}


int main()
{
    int ch;
    do
    {

        cout<<" \n\n1.swap 2 characters\n2.swap 2 floats\n3.exit\n enter choice: ";
        cin>>ch;
        switch(ch)
        {
        case 1:
            cout<<"enter 2 characters";
            char a,b;
            cin>>a>>b;
            swap(a,b);
            break;
        case 2:
            cout<<"enter 2 floats";
            float c,d;
            cin>>c>>d;
            swap(c,d);
            break;
        case 3:
            break;
        default:
            break;
        }
    }while(ch!=3);
        return 0;
}


/*


1.swap 2 characters
2.swap 2 floats
3.exit
 enter choice: 1
enter 2 charactersa b
the swapped chars are b and a

1.swap 2 characters
2.swap 2 floats
3.exit
 enter choice: 2
enter 2 floats1.2 2.4
the swapped floats are2.4 and 1.2

1.swap 2 characters
2.swap 2 floats
3.exit
 enter choice: 3
Press any key to continue
*/







/* aim: to study and implement overloaded functions
1. write a c++ program using function overloading to find the maximum of two ints, 3 floats,3 doubles
2. write a c++ program to swap 2 ints 2 floats and 2 characters
3. to compute the area of various geometrical entries, such as circle triangle, rectangle and square. use classes and array of objects


  program 3
*/



#include<iostream.h>


class find
{
    float area;

public:
    void areaa(int a)  //circle
    {
        area= 3.1415*a*a;
        cout<<"the area is" <<area;
    }

    void areaa(float a) //square
    {
        area= a*a;
        cout<<"the area is "<<area;
    }

    void areaa(int a, int b) //triangle
    {
        area= 0.5*a*b;
        cout<<"the area is "<<area;
    }

    void areaa(float a, float b) //rectangle
    {
        area=a*b;
        cout<<"the area is "<<area;
    }
};






int main()
{
    find a[20];
    int ch,n;

    cout<<"enter  the number of geometrical figures";
    cin>>n;

    int i;

    for(i=0;i<n;i++)
    {
        cout<<"\n\nobject "<<i+1;


        cout<<" \n\n1.circle \n2.triangle \n3.square\n4. rectangle \nenter choice: ";
        cin>>ch;
        switch(ch)
        {
        case 1:
            cout<<"\nenter radius";
            int x;
            cin>>x;
            a[i].areaa(x);
            break;
        case 2:
            cout<<"\nenter base and height";
            int c,d;
            cin>>c>>d;
            a[i].areaa(c,d);
            break;

        case 3:
            cout<<"\nenter length of side";
            int e;
            cin>>e;
            a[i].areaa(e);
            break;
        case 4:
            cout<<"enter length and breadth";
            float f,g;
            cin>>f>>g;
            a[i].areaa(f,g);
            break;

        default:
            break;
        }
    }
        return 0;
}


/*

enter  the number of geometrical figures3


object 1

1.circle
2.triangle
3.square
4. rectangle
enter choice: 1

enter radius20
the area is1256.6

object 2

1.circle
2.triangle
3.square
4. rectangle
enter choice: 2

enter base and height2 5
the area is 5

object 3

1.circle
2.triangle
3.square
4. rectangle
enter choice: 4
enter length and breadth5 6
the area is 30

 Press any key to continue
*/