Given two integers n and k, return an array of all the integers of length n where the difference between every two consecutive digits is k. You may return the answer in any order.
Note that the integers should not have leading zeros. Integers as 02 and 043 are not allowed.
\n
Example 1:
\n\n\nInput: n = 3, k = 7\nOutput: [181,292,707,818,929]\nExplanation: Note that 070 is not a valid number, because it has leading zeroes.\n\n\n
Example 2:
\n\n\nInput: n = 2, k = 1\nOutput: [10,12,21,23,32,34,43,45,54,56,65,67,76,78,87,89,98]\n\n\n
\n
Constraints:
\n\n2 <= n <= 90 <= k <= 9返回所有长度为 n 且满足其每两个连续位上的数字之间的差的绝对值为 k 的 非负整数 。
请注意，除了 数字 0 本身之外，答案中的每个数字都 不能 有前导零。例如，01 有一个前导零，所以是无效的；但 0 是有效的。
你可以按 任何顺序 返回答案。
\n\n\n\n
示例 1：
\n\n\n输入：n = 3, k = 7\n输出：[181,292,707,818,929]\n解释：注意，070 不是一个有效的数字，因为它有前导零。\n\n\n
示例 2：
\n\n\n输入：n = 2, k = 1\n输出：[10,12,21,23,32,34,43,45,54,56,65,67,76,78,87,89,98]\n\n
示例 3：
\n\n\n输入：n = 2, k = 0\n输出：[11,22,33,44,55,66,77,88,99]\n\n\n
示例 4：
\n\n\n输入：n = 2, k = 2\n输出：[13,20,24,31,35,42,46,53,57,64,68,75,79,86,97]\n\n\n
\n\n
提示：
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