3444: 统计数字字符个数
Memory Limit:256 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:0
Solved:0
Description
[md]
输入一行字符,统计出其中数字字符的个数。
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Sample Input Copy
Peking University is set up at 1898.
Sample Output Copy
4