数字 - 题目

#3754. 数字

统计

AI Translation — This statement was translated using AI and may contain inaccuracies. Please refer to the original statement if in doubt.

Bobo 有 $n$ 个互不相同的整数 $a_1, a_2, \dots, a_n$，且每个整数都在 $[0, 99]$ 范围内。他将这些整数按十进制表示法（无前导零）依次写成一行，得到一个字符串 $s$。

给定字符串 $s$，求可能的整数数组 $a_1, a_2, \dots, a_n$ 的数量。

输入格式

输入包含多组测试数据，以文件结束符（EOF）结束。

每个测试用例包含一个字符串 $s$。

$1 \leq |s| \leq 50$
最多有 $100$ 组测试数据。

输出格式

对于每个测试用例，输出一个整数，表示结果。

样例

输入格式 1

输出格式 1

输入格式 2

输出格式 2

输入格式 3

0123456789

输出格式 3

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