0400. Nth Digit
https://leetcode.com/problems/nth-digit
Description
Given an integer n
, return the nth
digit of the infinite integer sequence [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ...]
.
Example 1:
**Input:** n = 3
**Output:** 3
Example 2:
**Input:** n = 11
**Output:** 0
**Explanation:** The 11th digit of the sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ... is a 0, which is part of the number 10.
Constraints:
1 <= n <= 231 - 1
ac
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