АиП_Лаба4

#include <iostream>
#include <fstream>
#include <locale>
#include <set>

using namespace std;

ifstream f("input.txt", ios::in);
ofstream F("output.txt");


void main(){
	set<int> cifr;
	set<int>::iterator it;
	int n,a,b;
	f >> n;
	for (int i = 0; i < n; i++){
		f >> a;
		while (a > 0){
			b = a % 10;
			cifr.insert(b);
			a /= 10;
		}
	}
	for (it = cifr.begin(); it != cifr.end(); ++it){
		F << *it << " ";
	}
	F << endl;
	cout << endl;
	for (int i = 0; i < 10; i++){
		if (cifr.find(i) == cifr.end()){
			F << i << " ";
		}
	}
	cout << endl;
	F.close();
}