Mã chấm: 14095

Main.cc: In function ‘int main()’:
Main.cc:35:26: error: cannot convert ‘std::__cxx11::string {aka std::__cxx11::basic_string}’ to ‘const char*’ for argument ‘1’ to ‘int strcmp(const char*, const char*)’
             if(strcmp(u,v) == 0)    s++;
                          ^