백준 11656

BAEKJOON_11656.java

package silver_4;

import java.io.*;
import java.util.Comparator;
import java.util.TreeSet;

public class NUM_11656 {
    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(System.out));
        TreeSet<String> set = new TreeSet<>(Comparator.comparing(o -> o));

        String fullString = bufferedReader.readLine();

        for (int i = 0; i < fullString.length(); i++) {
            set.add(fullString.substring(i));
        }

        for (String str : set){
            bufferedWriter.write(str + '\n');
        }

        bufferedWriter.flush();
        bufferedReader.close();
        bufferedWriter.close();
    }
}