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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class string_extend:public string{
  5.     public:
  6.         string_extend(const string& str):string(str){}
  7.         string_extend(const char* str):string(str){}
  8.  
  9. };
  10. int main(){
  11.     string_extend a("amd");
  12.     string_extend b(a);
  13.     cout<<a<<b;
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 3456KB
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amdamd
https://ideone.com/pahema
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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