Program to find & replace an element from list

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/* Program to replace an element from list
*/
#include<iostream.h>
#include<conio.h>
void main()
{
int i,n,rep,pos;
int num[50];
char ch;
clrscr();

cout<<"\nEnter List Size(max 50):";
cin>>n;
cout<<"\nEnter elements :";
for(i=0;i<n;i++)
{
cin>>num[i];
}

clrscr();
cout<<"\nElements in list :";
for(i=0;i<n;i++)
{
cout<<" "<<num[i];
}

cout<<"\nWant to replace(Y/N):";
cin>>ch;
if(ch=='y' || ch=='Y')
{
cout<<"\nEnter element :";
cin>>rep;
cout<<"\nPosition :";
cin>>pos;
pos=pos-1;
num[pos]=rep;
}
cout<<"\nElements in new list :";
for(i=0;i<n;i++)
{
cout<<" "<<num[i];
}

getch();
}