WAP to sort elements in ascending order

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{

 int a[10],i,j,n,temp,k,ptr;

 cout<<"\n Enter size of array :";

 cin>>n;

 cout<<"\n Enter element of array :";

 for(i=1;i<=n;i++)

 cin>>a[i];

for(i=2;i<=n;i++)

{

temp=a[i];

ptr=i-1;

 while(temp<a[ptr])

 {

  a[ptr+1]=a[ptr];

  ptr--;

 }

  a[ptr+1]=temp;

}

 cout<<"\n The sorted elements are :\n";

 for(i=1;i<=n;i++)

 cout<<"    "<<a[i];

 getch();

 clrscr();

}

/* OUTPUT

  

 Enter size of array    :7

 Enter element of array :15 23 10 22 48 75 12

 The sorted elements are        :

    10    12    15    22    23    48    75