1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | public class _Math { /** * check if number is palindrome * * @param num * @return */ static boolean is_palindrome(long num){ if(num < 10 && num > -10) return true; int[] nums = digits_in_number(num); int start = 0; int end = nums.length - 1; while(start <= end){ if(nums[start++] != nums[end--]) return false; } return true; } } |
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