0400-nth-digit.adoc

400. Nth Digit

{leetcode}/problems/nth-digit/[LeetCode - Nth Digit^]

Find the n^th digit of the infinite integer sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, …​

Note:

n is positive and will fit within the range of a 32-bit signed integer (n < 2³¹).

Example 1:

Input:
3

Output:
3

Example 2:

Input:
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.

思路分析

一刷

link:{sourcedir}/_0400_NthDigit.java[role=include]