CHAPTER9-31.cpp
上传用户:fjc899
上传日期:2007-07-03
资源大小:187k
文件大小:1k
- //文件名:CHAPTER9-31.cpp
- #include <set>
- #include <iostream>
- #if _MSC_VER > 1020 // if VC++ version is > 4.2
- using namespace std; // std c++ libs implemented in std
- #endif
- void main( )
- {
- set <int> s1;
- set <int> :: const_iterator s1_AcIter, s1_RcIter;
- s1.insert( 10 );
- s1.insert( 20 );
- s1.insert( 30 );
- s1_RcIter = s1.upper_bound( 20 );
- cout << "The first element of set s1 with a key greater "
- << "than 20 is: " << *s1_RcIter << "." << endl;
- s1_RcIter = s1.upper_bound( 30 );
- // If no match is found for the key, end( ) is returned
- if ( s1_RcIter == s1.end( ) )
- cout << "The set s1 doesn't have an element "<< "with a key greater than 30." << endl;
- else
- cout << "The element of set s1 with a key > 40 is: "<< *s1_RcIter << "." << endl;
- // The element at a specific location in the set can be found
- // by using a dereferenced iterator addressing the location
- s1_AcIter = s1.begin( );
- s1_RcIter = s1.upper_bound( *s1_AcIter );
- cout << "The first element of s1 with a key greater than"
- << endl << "that of the initial element of s1 is: "<< *s1_RcIter << "." << endl;
- }