SORT AN ARRAY OF INTEGER IN ASCENDING ORDER USING A FUNCTION BY REFERENCE

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/* WRITE A C++ PROGRAM TO SORT AN ARRAY OF INTEGER IN ASCENDING ORDER USING A FUNCTION CALLED EXCHANGE() WHICH ACCEPTS TWO INTEGER ARGUMENTS BY REFERENCE */ 

#include<iostream.h>
#include<conio.h>
void exchange(int (&)[], int &);

void main()
{
   int a[20],n,i;
   clrscr();

   cout<<"enter store elements :";
   cin>>n;
   cout<<"enter elements :"<<endl;
   for(i=0; i<n; i++)
   {
     cin>>a[i];
   }
   exchange(a,n);

   cout<<"\n";

   for(i=0; i<n; i++)
   {
     cout<<"a["<<i<<"]="<<a[i]<<endl;
   }
   getch();
}

void exchange(int (&x)[], int &y)
{
   int i,j,temp;
   for(i=0; i<y; i++)
      for(j=i+1; j<y; j++)
      {
if(x[i]>x[j])
{
    temp=x[i];
    x[i]=x[j];
    x[j]=temp;
}
      }
}

    OUTPUT
===============

enter store elements :7
enter elements :
50
20
40
55
22
68
48
a[0]=20
a[1]=22
a[2]=40
a[3]=48
a[4]=50
a[5]=55
a[6]=68

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

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