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- public static boolean isPan(String num) {
- ArrayList<Character> chars = new ArrayList<Character>();
- for (int i = 0; i<num.length(); i++) {
- if (Integer.valueOf(Character.toString(num.charAt(i))) <= num.length()) {
- if (!chars.contains(num.charAt(i))) {
- chars.add(num.charAt(i));
- } else {
- return false;
- }
- } else {
- return false;
- }
- }
- return true;
- }
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