Ex 7

#include <iostream>
using namespace std;
int v[100], x;
void citire (int n)
{
    for (int i=1;i<n+1;i++)
        cin>>v[i];
}
int aparitii(int s,int d)
{
    if(s==d)
        {
            if (v[s]==x)
                return 1;
            else return 0;
        }
    else
    {
        int m=(s+d)/2;
        return aparitii(s, m)+aparitii(m+1, d);
    }

}
int main()
{
    int n;
    cin>>n>>x;
    citire(n);
    cout<<aparitii(1, n);
    return 0;
}