atestat_15.cpp

#include <iostream>
#include <fstream>

using namespace std;

int main() {
    ifstream fin("atestat.in");
    ofstream fout("atestat.out");

    unsigned int n;
    unsigned int a[101];
    // citesc datele de intrare
    // si le afisez in fisierul de iesire
    fin >> n;
    for(int i = 0; i < n; ++i) {
        fin >> a[i];
        fout << a[i] << " ";
    }
    fout << "\n";

    // construiesc alt vector care contine elementele din vectorul a o singura data
    unsigned int m = 0;
    unsigned int b[101];
    unsigned int folosit[10000];
    for(int i = 0; i < n; ++i) {
        if(!folosit[a[i]]) {
            b[m++] = a[i];
            folosit[a[i]] = 1;
        }
    }

    // afisez elementele din vectorul creat
    for(int i = 0; i < m; ++i) {
        fout << b[i] << " ";
    }
}