[백준] 3460 이진수 - Implementation / Java

• 문제 링크

https://www.acmicpc.net/problem/3460

 

• 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 t = read();
        while (t-- > 0) {
            String n = Integer.toBinaryString(read());
            int l = n.length();
            for (int i = l - 1; i >= 0; i--) if (n.charAt(i) == '1') sb.append(l - i - 1).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;
    }

}