[백준] 5893 17배 - Implementation / Java

• 문제 링크

https://www.acmicpc.net/problem/5893

 

• 풀이 코드

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.math.BigInteger;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

        bw.write(new BigInteger(br.readLine(), 2).multiply(BigInteger.valueOf(17)).toString(2));
        bw.flush();
    }

}