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  1. #include <iostream>
  2. #include <string>
  3. #include <list>
  4. #include <algorithm>
  5.  
  6. bool is_not_a_letter(const char c)
  7. {
  8.     return !isalpha(c);
  9. }
  10.  
  11. int main()
  12. {
  13.     std::string s(":;[{abcd V 8239234");
  14.  
  15.     s.erase(std::remove_if(s.begin(),
  16.                            s.end(),
  17.                            is_not_a_letter),
  18.             s.end());
  19.  
  20.     std::cout << s << "\n";
  21.     return 0;
  22. }
  23.  
Success #stdin #stdout 0.01s 2856KB
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stdin
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Standard input is empty
stdout
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abcdV
https://ideone.com/NvhKq
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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