FixedBuffer Class Template

#include <iostream>
using namespace std;

template<typename T, size_t N>
class FixedBuffer 
{
    private:
    T data[N];
    size_t count;
public:
    FixedBuffer() : count(0){}
void push(T v)
{
  if(count<N)
  {
    data[count++]= v;
  }
}
size_t size() const
 {
return count;
}
T operator[](size_t i) const
{
    if(i>=count)
    {
        throw out_of_range("Index out of range");
    }
return data[i];
}

 
	
};

int main() {
   int n;
   cin >> n;
   FixedBuffer<int, 10> buf;  // max 10 elements
   for (int i = 0; i < n; i++) {
       int v;
       cin >> v;
       buf.push(v);
   }
   cout << "Buffer size: " << buf.size() << "\n";
   for (size_t i = 0; i < buf.size(); i++) {
       cout << buf[i] << " ";
   }
   cout << "\n";
   return 0;
}