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题库练习 Digits Sequence (Easy Edition)

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A12577 | $Digits Sequence (Easy Edition)$

时间限制1s

内存限制256MB

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题目描述

Let's write all the positive integer numbers one after another from $1$ without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718192021222324252627282930313233343536... Your task is to print the $k$ -th digit of this sequence.

输入格式

The first and only line contains integer $k$ ( $1 \le k \le 10000$ ) — the position to process ( $1$ -based index).

输出格式

Print the $k$ -th digit of the resulting infinite sequence.

输入输出样例

输入 #1

输出 #1

输入 #2

输出 #2

C++ 编辑器

输入

输出