FixedBuffer Class Template

#include <iostream>
using namespace std;

template<typename T, size_t N>
class FixedBuffer {
private:
T data[N];
size_t count = 0;

public:
void push(T v)
{
if(count<N)
{
    data[count++]=v;
}
}

size_t size() const
{
return count;
}

T operator[](size_t i)
{
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;
}