Search an element in an Array of n integer values. Using inheritance

#include<iostream>
using namespace std;

class searnum
{
public:
    void setnum(int n)
    {
        number = n;
    }
    protected: int number;
};


class chknum: public searnum
{
public:
    int a[100],i,temp,item,s=0;
    void found()
    {
    temp=number;
    cout<<"Enter "<<temp<<"  number : ";
    for(i=1;i<=temp;i++)
    {
    cin>>a[i];
    }
    cout<<"Enter number what are you want to be Search : ";
    cin>>item;
    for(i=1;i<=temp;i++)
    {
    if(a[i]==item)
    {
    cout<<item<<" is Found in the array  at Location : "<<i<<endl;
    s=1;
    break;
    }
    }
    if(s==0)
    {
    cout<<item<<" is Not Found in tha array"<<endl;
    }
    }
    };

int main()
{
int n;
chknum ar;
cout<<"Ente size of array: ";
cin>>n;
ar.setnum(n);
ar.found();
return 0;
}