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Kotlin-based LeetCode algorithm problem solutions, regularly updated
1291\. Sequential Digits
Medium
An integer has _sequential digits_ if and only if each digit in the number is one more than the previous digit.
Return a **sorted** list of all the integers in the range `[low, high]` inclusive that have sequential digits.
**Example 1:**
**Input:** low = 100, high = 300
**Output:** [123,234]
**Example 2:**
**Input:** low = 1000, high = 13000
**Output:** [1234,2345,3456,4567,5678,6789,12345]
**Constraints:**
* `10 <= low <= high <= 10^9`