b.cpp

// Example program
#include <iostream>
#include <string>
#include <list>
using namespace std;

int main() {
    int n;
    cin >> n;
    int*  mae = new int[n];
    int  maie_cnt = 0;
    for (int tshirt, i = 0; i < n; i++) {
        cin >> tshirt;
        if (i != 0) cout << ' ';
        bool found = false;
        for (int j = 0; j < maie_cnt; j++) {
            if (mae[j] == tshirt) {
                found = true;
                break;
            }
        }
        if (!found) {
            mae[mae_cnt] = tshirt;
            mae_cnt++;
        }
        cout << (int)(!found);
    }
    cout << endl;
    delete[] mae;
}