chapter10-11.cpp

C++STL程序员开发指南

//文件名:CHAPTER10-11.cpp
#include <map>
#include <iostream>
#if _MSC_VER > 1020   // if VC++ version is > 4.2
   using namespace std;  // std c++ libs implemented in std
#endif
void main( )
{
   map <int, int> m1, m2;
   int i;
   typedef pair <int, int> Int_Pair;
   m1.insert ( Int_Pair ( 1, 1 ) );
   if ( m1.empty( ) )
      cout << "The map m1 is empty." << endl;
   else
      cout << "The map m1 is not empty." << endl;
   if ( m2.empty( ) )
      cout << "The map m2 is empty." << endl;
   else
      cout << "The map m2 is not empty." << endl;
}