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  1. #include <iostream>
  2. #include <string>
  3.  
  4. size_t foo(std::string const & str, char a, char b)
  5. {
  6. 	std::string str2{a, b};
  7. 	size_t res = 0;
  8. 	size_t found = 0;
  9. 	while((found = str.find(str2, found))!=std::string::npos)
  10. 	{
  11. 		++res;
  12. 		found+=2;
  13. 	}
  14. 	return res;
  15. }
  16.  
  17. int main() {
  18. 	std::string str = "abcabcabac";
  19. 	std::cout << foo(str, 'a', 'b') << std::endl;
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 3412KB
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https://ideone.com/3Zt4TV
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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