[백준] 4592 중복을 없애자 - Implementation / Java

• 문제 링크

https://www.acmicpc.net/problem/4592

 

• 풀이 코드

import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        StringBuilder sb = new StringBuilder();

        int n;
        while ((n = read()) != 0) {
            int i = 0;
            while (n-- > 0) {
                int j = read();
                if (i == j) continue;
                i = j;
                sb.append(j).append(' ');
            }
            sb.append("$\n");
        }

        bw.write(sb.toString());
        bw.flush();
    }

    private static int read() throws IOException {
        int c, n = System.in.read() & 15;
        while ((c = System.in.read()) > 32) n = (n << 3) + (n << 1) + (c & 15);

        return n;
    }

}