제출 #167750

실행 실패 (제출 코드 컴파일 에러)

Main.java:24: error: bad operand types for binary operator '-'
                diff = parse(Math.abs(str[i] - prev));
                                             ^
  first type:  String
  second type: int
Main.java:27: error: incompatible types: String cannot be converted to int
                prev = str[i];
                          ^
Main.java:33: error: bad operand types for binary operator '-'
            if (Math.abs(str[i] - prev) != diff) {
                                ^
  first type:  String
  second type: int
3 errors