C++ program to search an element in array using friend function

#include<iostream>
using namespace std;
class Searching
{
int arr[100];
int n;
public:
friend void search (Searching srch);
void setElement();
};

void search(Searching srch)
{
int num,c=0,pos,i;
cout<<"Enter the number to search..";
cin>>num;
for(i=0;i<srch.n;i++)
{
if(srch.arr[i]==num)
{
c=1;
pos=i+1;
break;
}
}
if(c==0)
cout<<"Number not found";
else
cout<<num<<" found at position "<<pos<<endl;
}
void Searching::setElement()
{
int i;
cout<<"Enter no of element...";
cin>>n;
for(i=0;i<n;i++)
{
cout<<"Enter arr["<<i+1<<"]th element :";
cin>>arr[i];
}
}
int main()
{
Searching srch;
srch.setElement();
search(srch);
return 0;
}