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#include <iostream>
using namespace std;
#include <map>
 
struct SiteInfo
{
	int SiteID;
	CString MAC;
	CString SiteName;
 
	SiteInfo(int ID, CString BelongMAC, CString name)
	{
		SiteID = ID;
		MAC = BelongMAC;
		SiteName = name;
	}
 
	bool operator==(const SiteInfo rhs) const
	{
		if ((SiteID == rhs.SiteID) && (MAC == rhs.MAC))
			return true;
		else
			return false;
	}	
 
	bool operator<(const SiteInfo rhs) const
	{
		if (SiteID < rhs.SiteID)
			return true;
		if (MAC < rhs.MAC)
			return true;
		if (SiteName < rhs.SiteName)
			return true;
 
		return false;
	}
};
 
int main() {
	// your code goes here
	CString mac = _T("00:00:00:00:00:01");
	SiteInfo site1(1, mac, _T("瞇摸鐵克site1"));
	SiteInfo site2(2, mac, _T("西哩科site2"));
 
	std::map<SiteInfo, CString> RegisterMap;
	RegisterMap.insert(std::make_pair(site1, _T("site1 in map")));
	RegisterMap.insert(std::make_pair(site2, _T("site2 in map")));
 
	std::map<SiteInfo, CString>::iterator iter1 = RegisterMap.find(site1);
	std::map<SiteInfo, CString>::iterator iter2 = RegisterMap.find(site2);
 
	return 0;
}

prog.cpp:8:2: error: ‘CString’ does not name a type
  CString MAC;
  ^
prog.cpp:9:2: error: ‘CString’ does not name a type
  CString SiteName;
  ^
prog.cpp:11:19: error: ‘CString’ has not been declared
  SiteInfo(int ID, CString BelongMAC, CString name)
                   ^
prog.cpp:11:38: error: ‘CString’ has not been declared
  SiteInfo(int ID, CString BelongMAC, CString name)
                                      ^
prog.cpp: In constructor ‘SiteInfo::SiteInfo(int, int, int)’:
prog.cpp:14:3: error: ‘MAC’ was not declared in this scope
   MAC = BelongMAC;
   ^
prog.cpp:15:3: error: ‘SiteName’ was not declared in this scope
   SiteName = name;
   ^
prog.cpp: In member function ‘bool SiteInfo::operator==(SiteInfo) const’:
prog.cpp:20:34: error: ‘MAC’ was not declared in this scope
   if ((SiteID == rhs.SiteID) && (MAC == rhs.MAC))
                                  ^
prog.cpp:20:45: error: ‘const struct SiteInfo’ has no member named ‘MAC’
   if ((SiteID == rhs.SiteID) && (MAC == rhs.MAC))
                                             ^
prog.cpp: In member function ‘bool SiteInfo::operator<(SiteInfo) const’:
prog.cpp:30:7: error: ‘MAC’ was not declared in this scope
   if (MAC < rhs.MAC)
       ^
prog.cpp:30:17: error: ‘const struct SiteInfo’ has no member named ‘MAC’
   if (MAC < rhs.MAC)
                 ^
prog.cpp:32:7: error: ‘SiteName’ was not declared in this scope
   if (SiteName < rhs.SiteName)
       ^
prog.cpp:32:22: error: ‘const struct SiteInfo’ has no member named ‘SiteName’
   if (SiteName < rhs.SiteName)
                      ^
prog.cpp: In function ‘int main()’:
prog.cpp:41:2: error: ‘CString’ was not declared in this scope
  CString mac = _T("00:00:00:00:00:01");
  ^
prog.cpp:41:10: error: expected ‘;’ before ‘mac’
  CString mac = _T("00:00:00:00:00:01");
          ^
prog.cpp:42:20: error: ‘mac’ was not declared in this scope
  SiteInfo site1(1, mac, _T("瞇摸鐵克site1"));
                    ^
prog.cpp:42:47: error: ‘_T’ was not declared in this scope
  SiteInfo site1(1, mac, _T("瞇摸鐵克site1"));
                                               ^
prog.cpp:45:21: error: the value of ‘CString’ is not usable in a constant expression
  std::map<SiteInfo, CString> RegisterMap;
                     ^
prog.cpp:41:2: note: ‘CString’ was not declared ‘constexpr’
  CString mac = _T("00:00:00:00:00:01");
  ^
prog.cpp:45:28: error: type/value mismatch at argument 2 in template parameter list for ‘template<class _Key, class _Tp, class _Compare, class _Alloc> class std::map’
  std::map<SiteInfo, CString> RegisterMap;
                            ^
prog.cpp:45:28: error:   expected a type, got ‘CString’
prog.cpp:45:28: error: template argument 4 is invalid
prog.cpp:45:41: error: invalid type in declaration before ‘;’ token
  std::map<SiteInfo, CString> RegisterMap;
                                         ^
prog.cpp:46:14: error: request for member ‘insert’ in ‘RegisterMap’, which is of non-class type ‘int’
  RegisterMap.insert(std::make_pair(site1, _T("site1 in map")));
              ^
prog.cpp:47:14: error: request for member ‘insert’ in ‘RegisterMap’, which is of non-class type ‘int’
  RegisterMap.insert(std::make_pair(site2, _T("site2 in map")));
              ^
prog.cpp:49:21: error: the value of ‘CString’ is not usable in a constant expression
  std::map<SiteInfo, CString>::iterator iter1 = RegisterMap.find(site1);
                     ^
prog.cpp:41:2: note: ‘CString’ was not declared ‘constexpr’
  CString mac = _T("00:00:00:00:00:01");
  ^
prog.cpp:49:28: error: type/value mismatch at argument 2 in template parameter list for ‘template<class _Key, class _Tp, class _Compare, class _Alloc> class std::map’
  std::map<SiteInfo, CString>::iterator iter1 = RegisterMap.find(site1);
                            ^
prog.cpp:49:28: error:   expected a type, got ‘CString’
prog.cpp:49:28: error: template argument 4 is invalid
prog.cpp:49:40: error: expected initializer before ‘iter1’
  std::map<SiteInfo, CString>::iterator iter1 = RegisterMap.find(site1);
                                        ^
prog.cpp:50:21: error: the value of ‘CString’ is not usable in a constant expression
  std::map<SiteInfo, CString>::iterator iter2 = RegisterMap.find(site2);
                     ^
prog.cpp:41:2: note: ‘CString’ was not declared ‘constexpr’
  CString mac = _T("00:00:00:00:00:01");
  ^
prog.cpp:50:28: error: type/value mismatch at argument 2 in template parameter list for ‘template<class _Key, class _Tp, class _Compare, class _Alloc> class std::map’
  std::map<SiteInfo, CString>::iterator iter2 = RegisterMap.find(site2);
                            ^
prog.cpp:50:28: error:   expected a type, got ‘CString’
prog.cpp:50:28: error: template argument 4 is invalid
prog.cpp:50:40: error: expected initializer before ‘iter2’
  std::map<SiteInfo, CString>::iterator iter2 = RegisterMap.find(site2);
                                        ^

Standard output is empty