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  1. #include <iostream>
  2. #include <string>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.     const char buf[30] = "aaa";
  8.     string s("hello-");
  9.     s.append(buf);
  10.     cout << s << endl;
  11.     cout << s.size() << endl;
  12.     return 0;
  13. }
Success #stdin #stdout 0.02s 2856KB
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stdin
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Standard input is empty
stdout
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hello-aaa
9
https://ideone.com/679CsL
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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