text: //
  // Created by kaiser on 18-12-17.
  //
  
  #include <algorithm>
  #include <iostream>
  #include <string>
  #include <vector>
  
  std::int32_t biger_than_six(const std::vector<std::string>& vs) {
    return std::count_if(std::begin(vs), std::end(vs),
                         [](const auto& s) { return std::size(s) > 6; });
  }
  
  int main() {
    std::vector<std::string> vs{"aaaaaaaa", "aaaaaaaaaa", "aaa"};
    std::cout << biger_than_six(vs) << '\n';
  }
  