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  1. #include <algorithm>
  2. #include <iostream>
  3. #include <cstring>
  4. #include <map>
  5.  
  6. int main()
  7. {
  8.     const std::string s {"ffag,ddaf,asdf,qwefrty."};
  9.  
  10.     std::map<char,bool> hasChar;
  11.     std::map<char,int> charCount;
  12.  
  13.     for( auto c : s )
  14.     {
  15.     	if( c == ',' || c == '.' )
  16.     	{
  17.     		for( auto& p : hasChar )
  18.     		{
  19.     			++charCount[p.first];
  20.     		}
  21.     		hasChar.clear();
  22.     	}
  23.     	else
  24.     	{
  25.     		hasChar[c] = true;
  26.     	}
  27.     }
  28.  
  29. 	auto it = std::max_element( charCount.begin(), charCount.end(), [](const std::pair<char,int>& l, const std::pair<char,int>& r){ return l.second < r.second; });
  30.     std::cout << it->first << std::endl; 
  31.     return 0;
  32. }
Success #stdin #stdout 0s 3432KB
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https://ideone.com/fTKW23
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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