Given an array of positive integers nums, return an array answer that consists of the digits of each integer in nums after separating them in the same order they appear in nums.
To separate the digits of an integer is to get all the digits it has in the same order.
\n\n10921, the separation of its digits is [1,0,9,2,1].\n
Example 1:
\n\n\nInput: nums = [13,25,83,77]\nOutput: [1,3,2,5,8,3,7,7]\nExplanation: \n- The separation of 13 is [1,3].\n- The separation of 25 is [2,5].\n- The separation of 83 is [8,3].\n- The separation of 77 is [7,7].\nanswer = [1,3,2,5,8,3,7,7]. Note that answer contains the separations in the same order.\n\n\n
Example 2:
\n\n\nInput: nums = [7,1,3,9]\nOutput: [7,1,3,9]\nExplanation: The separation of each integer in nums is itself.\nanswer = [7,1,3,9].\n\n\n
\n
Constraints:
\n\n1 <= nums.length <= 10001 <= nums[i] <= 105给你一个正整数数组 nums ，请你返回一个数组 answer ，你需要将 nums 中每个整数进行数位分割后，按照 nums 中出现的 相同顺序 放入答案数组中。
对一个整数进行数位分割，指的是将整数各个数位按原本出现的顺序排列成数组。
\n\n10921 ，分割它的各个数位得到 [1,0,9,2,1] 。\n\n
示例 1：
\n\n输入：nums = [13,25,83,77]\n输出：[1,3,2,5,8,3,7,7]\n解释：\n- 分割 13 得到 [1,3] 。\n- 分割 25 得到 [2,5] 。\n- 分割 83 得到 [8,3] 。\n- 分割 77 得到 [7,7] 。\nanswer = [1,3,2,5,8,3,7,7] 。answer 中的数字分割结果按照原数字在数组中的相同顺序排列。\n\n\n
示例 2：
\n\n输入：nums = [7,1,3,9]\n输出：[7,1,3,9]\n解释：nums 中每个整数的分割是它自己。\nanswer = [7,1,3,9] 。\n\n\n
\n\n
提示：
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