C++-字符与字符数组-char a[]=“hello”的实际长度是多少，其字符的数量是多少
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Background
Description
定义char a[]=“hello”，其实际占用的空间长度是多少（字节），其字符的数量是多少（个）。
Format
Input
Output
Samples
6 5
Limitation
1s, 1024KiB for each test case.
