题目详情:
发布时间:2020-06-23 10:53:19
[单项选择]有如下的程序:
#include <cstring.h>
#include <iostream.h>
using namespace std;
class MyString
public:
MyString(const char*s);
~MyString ( ) delete [] data;
protected:
unsigned len;
char*data;
;
MyString::MyString(const char *s)
len=strlen (s);
data=new char[len+1];
strcpy (data,s);
int main ( )
MyString a("C++ Programing");
MyString b(
A. ;
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