#include <iostream>

namespace myspace {
template <typename T>
class vector{
     public:
	vector(){}
	vector(int _N, T _Val);
	~vector();
	T operator[] (int i);
	void resize();
	int size(){
		return N;
	}
		;
     protected:
        T* data;	
	int N;	
};


template <typename T>
vector<T>::vector(int _N, T _Val ):N(_N){
    data = new T[N];
    for (int i{0}; i < N; i++){
	    data[i] = T(_Val);
    }
}

template <typename T>
vector<T>::~vector(){
	delete [] data;
}

template <typename T>
T vector<T>::operator[] (int i){
	try {
		if (i>=0 && i < N){
			return data[i];
		}
		else
		 throw(i);
	}
		catch(int i){
			std::cout << "out of range, try to access "<< i << " out of " << N <<"\n";
			exit(-1);
		}
	}
	
/// end of namespace ///
}