WAP to insert element into array

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{

 int i,loc,n,new1,a[20];

 cout<<"\n enter size of array :";

 cin>>n;

 cout<<"\n enter element of array :";

for(i=1;i<=n;i++)

cin>>a[i];

 cout<<"\n enter element is to be insert :";

 cin>>new1;

 cout<<"\n enter location where element is insert :";

 cin>>loc;

i=n;

while(i>=loc)

{

a[i+1]=a[i];

i--;

}

 a[loc]=new1;

 n++;

 cout<<"\n The result is :";

for(i=1;i<=n;i++)

cout<<"    "<<a[i];

 getch();

 clrscr();

}

/* output

  

 enter size of array    :5

 enter element of array :11 62 45 78 12

 enter element is to be insert :33

 enter location where element is insert :3

 The result is  :    11    62    33    45    78    12