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import java.util.HashSet; import java.util.Scanner; import java.util.Set; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] a = new int[n]; for (int i = 0; i < n; i++) { a[i] = sc.nextInt(); } Set<Integer> seen = new HashSet<>(); for (int i = 0; i < n; i++) { if (seen.contains(a[i])) { System.out.println(1); } else { System.out.println(0); seen.add(a[i]); } } sc.close(); } }
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