slips 30

/* Slip no : 30_1 Write a C++ program to sort integer and float array elements in ascending order by using function overloading. */

#include<iostream.h>

#include<conio.h>

class sorting

{

                public:

                                double a[10];

                                int n,i;

                public:

                                void sort(int [],int);

                                void sort(float[],int);

};

void sorting::sort(float a[],int n)

{

                float temp;

                for(i=n-1;i>=0;i--)

                {

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

                                {

                                                if(a[j]>a[j+1])

                                                {

                                                                temp=a[j];

                                                                a[j]=a[j+1];

                                                                a[j+1]=temp;

                                                }//if

                                }//2nd for

                } //1st for

}

void sorting::sort(int a[],int n)

{

                int temp;

                for(i=n-1;i>=0;i--)

                {

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

                                {

                                                if(a[j]>a[j+1])

                                                {

                                                                temp=a[j];

                                                                a[j]=a[j+1];

                                                                a[j+1]=temp;

                                                }

                                }

                }

}

void main()

{

                int n,i;

                int a[10];float a1[10];

                sorting s1;

                clrscr();

                cout<<"\nEnter how many element :";

                cin>>n;

                for(i=0;i<n;i++)

                {       cout<<"\nEnter element";

                                cin>>a[i];

                }

                s1.sort(a,n);

                cout<<"\Sorted element For integer array: \n";

                for(i=0;i<n;i++)

                {

                                cout<<"\t"<<a[i];

                }

                cout<<"\nEnter how many element :";

                cin>>n;

                for( i=0;i<n;i++)

                {       cout<<"\n Enter element :";

                                cin>>a1[i];

                }

                s1.sort(a1,n);

                cout<<"\Sorted element For float array: \n";

                for(i=0;i<n;i++)

                {

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

                }

                getch();

}

/* Slip no : 30_2 Create a class Fraction containing data members as Numerator and Denominator.

Write a C++ program to overload operators ++ , -- and * to increment , decrement a Fraction and multiply two Fraction respectively. (Use constructor to initialize values of an object). */

#include<iostream.h>

#include<conio.h>

class fraction

{

public:

int num,den;

fraction()

{

num=0;

den=0;

}

fraction(int n,int d)

{

num=n;

den=d;

}

void display()

{

cout<<num<<"/"<<den;

cout<<endl;

}

fraction operator++() //pre increment

{

num=den+num;

den=den;

return *this;

}

fraction operator--()              //pre decrement

{

num=den-num;

den=den;

return *this;

}

fraction operator++(int)     //post increment

{

fraction temp=*this;

num=num+den;

den=den;

return temp;

}

fraction operator--(int)     //post decrement

{

fraction temp=*this;

num=num-den;

den=den;

return temp;

}

friend fraction operator*(fraction,fraction);

};

fraction operator*(fraction f1,fraction f2)

{

fraction temp;

temp.num=f1.num*f2.num;

temp.den=f1.den*f2.den;

return temp;

}

void main()

{

clrscr();

fraction f1(5,10),f2(15,20),f4(25,30),f5(35,40);

f1.display();

f2.display();

fraction f3=f1*f2;

cout<<"multiplication of fraction is";

f3.display();

cout<<"pre increment is";

fraction f6=++f1;

f6.display();

cout<<"post increment is";

fraction f7=f2++;

f7.display();

cout<<"pre decrement is";

fraction f8=--f4;

f8.display();

cout<<"post decrement is";

fraction f9=f5--;

f9.display();

getch();

}