In file included from /in/main/main.cpp:3:0:
/in/detector.h: In member function 'void Detector::maxDetector(std::vector<int>)':
/in/detector.h:25:37: error: 'max_element' was not declared in this scope
         vector<int>::iterator itMax=max_element(outarray.begin(), outarray.end());
                                     ^~~~~~~~~~~
/in/detector.h:25:37: note: suggested alternative: 'max_align_t'
         vector<int>::iterator itMax=max_element(outarray.begin(), outarray.end());
                                     ^~~~~~~~~~~
                                     max_align_t