Type: Default 1000ms 256MiB

统计数字字符个数

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题目描述

输入一行字符,统计出其中数字字符的个数。

输入

一行字符串。

输出

输出为1行,输出字符串里面数字字符的个数。

Peking University is set up at 1898.
4

提示

字符串长度小于等于255

季科_周天上午

Not Claimed
Status
Done
Problem
12
Open Since
2025-3-22 0:00
Deadline
2026-1-23 23:59
Extension
24 hour(s)