(String s)
| 52 | } |
| 53 | |
| 54 | static boolean isValid(String s) { |
| 55 | boolean res = true; |
| 56 | for (int i = 1; i < s.length() - 1; i++) { |
| 57 | if (s.charAt(i) == 'R' || s.charAt(i) == 'L') { |
| 58 | if (isDigit(s.charAt(i - 1)) && isDigit(s.charAt(i + 1))) { |
| 59 | res = true; |
| 60 | } else { |
| 61 | res = false; |
| 62 | return res; |
| 63 | } |
| 64 | } |
| 65 | } |
| 66 | return res; |
| 67 | } |
| 68 | |
| 69 | } |