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  1. #include <iostream>
  2. #include <string>
  3. #include <algorithm>
  4. #include <iterator>
  5.  
  6. int main()
  7. {
  8.     std::cout << "Enter string and then Ctrl + Z\n";
  9.     std::cout <<
  10. 		std::count_if( std::istream_iterator<std::string>(std::cin),
  11. 				(std::istream_iterator<std::string>()),
  12. 				[](const std::string &str) { return str[0] == 'a'; } );
  13.  
  14.     return 0;
  15. }
Success #stdin #stdout 0s 2988KB
comments (?)
stdin
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abc abc Hello abc\n
stdout
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Enter string and then Ctrl + Z
3
https://ideone.com/EkFDzp
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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