문제풀이 import java.io.*; import java.math.BigDecimal; import java.util.regex.Matcher; import java.util.regex.Pattern; interface Main{ static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); int T = Integer.parseInt(br.readLine()); String regex = "^[\\s]..