#include <iostream>
#include <map>
#include <string>
using namespace std; 
//myMapMultiMapkey_comp3.cpp
 void compare(bool); 
 string str1, str2; 
 int main()
 {
 multimap<string, string> m1; 
 //multimap<int, int> n1;
 multimap<string, string>::key_compare kstr1;
 //map<int, int>::key_compare kint1;
 map<string, string>::iterator it;
 typedef pair<string, string>mypair;
 bool result;
 //
 cout<<"\n if the key on the left is not equal to the key";
 cout<<"\n on the right, function will return true or 1"; 
 // keys are not unique in multimap
m1.insert(mypair("A","Apple")); 
m1.insert(mypair("A","Ata"));
m1.insert(mypair("A","Atlantic"));
 //
  for(it= m1.begin(); it !=m1.end(); it++)
  {
  	str1 = it->first;
	str2= it->second; 
	cout<<"\n  multimap "<< it->first
	 <<":" <<(*it).second;
	  result =kstr1(str1,str2); 
	  compare(result);
  }

return 0;
}
void compare(bool b1)
{
	
	if(!b1)
	{ 
	cout<<"\n \t \b no less than hypothesis is "<<b1;
	cout<<"\n \t \b str1 : " << str1 << " str2 : " << str2; 
	}
	else
	{
	 cout<<"\n \t \b no less than hypothesis is "<<b1;
	}
}