Untitled

#include <iostream>
#include <fstream>

using namespace std;

const string filename = "input.txt";

void read(int& n) {
	ifstream in(filename);
	if (!in.is_open()) {
		cout << "error"; return;
	}
	int a;
	in >> n;
	for (int i = 0; i < n; i++)
	{
		in >> a;
		cout << a << endl;
	}
	in.close();
}

int main()
{
	int n;
	int a;
	read(n);
	//cout << n;

}