#include <iostream>
using namespace std;

class MyVector
{
	int* mem;
	int size;
public:
	MyVector();
	MyVector(int n, int val);
	~MyVector() { delete[] mem; }
	void show() {
		for (int i = 0; i < size; i++) cout <<i<<"번: "<< mem[i] << endl;
	}
};

MyVector::MyVector()
{
	mem = new int[100];
	size = 100;
	for (int i = 0; i < size; i++) mem[i] = 0;
}
MyVector::MyVector(int n, int val)
{
	mem = new int[n];
	size = n;
	for (int i = 0; i < size; i++) mem[i] = val;
}

int main() {
	MyVector v;
	MyVector v2(3, 5);
	v.show();
	v2.show();
}