:)

문제 코드 import java.io.BufferedReader; import java.io.InputStreamReader; import java.math.BigInteger; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); BigInteger[] bi = new BigInteger[n + 2]; bi[0] = BigInteger.ZERO; // 0 bi[1] = BigInteger.ONE; // 1 for (..