#include <iostream>
#include <map>

using namespace std;

struct Value {
	int id;
	void *buf;
	Value (long l) { id = 4; buf = operator new(128); 
		          long *c = reinterpret_cast<long *>(buf);
		    	  *c = l;
		  	}
	~Value() { operator delete(buf); }
}; 

bool operator< (const Value &v1, const Value &v2) {
	bool result = (*(reinterpret_cast<long *>(v1.buf))) < (*(reinterpret_cast<long *>(v2.buf)));
 	return result;
}

bool operator== (const Value &v1, const Value &v2) {
	bool result = (*(reinterpret_cast<long *>(v1.buf))) == (*(reinterpret_cast<long *>(v2.buf)));
 	return result;
}

typedef map<Value, string> Map;
typedef Map::iterator ITR;

int main() {
	Map m;
	ITR itr;

	Value s((long)10); 
	m.insert(Map::value_type(s, "1"));
 
	Value s2((long)20);

	itr = m.find(s2);
	if(itr != m.end()) {
		cout << "Address found!" << endl;
	} 
}