[브론즈 II] 1252번 :: 이진수 덧셈 / Java

 

 

 

 

문제

https://www.acmicpc.net/problem/1252

1252번: 이진수 덧셈

 

 

 

 

 

코드

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.math.BigInteger;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(br.readLine());
        String a = st.nextToken();
        String b = st.nextToken();
        
        BigInteger a1 = new BigInteger(a, 2);
        BigInteger b1 = new BigInteger(b, 2);

        BigInteger sum = a1.add(b1);

        String answer = sum.toString(2);
        System.out.println(answer);
    }
}