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import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.*; public class Main { public static void main(String[] args) throws Exception{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int N = Integer.parseInt(br.readLine()); HashSet set = new HashSet(); for (int i = 0; i < N; i++) { set.add(br.readLine()); } ArrayList list = new ArrayList(set);..