CHAPTER7-11.cpp
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上传日期:2007-07-03
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- //文件名:CHAPTER7-11.cpp
- #include <deque>
- #include <iostream>
- #if _MSC_VER > 1020 // if VC++ version is > 4.2
- using namespace std; // std c++ libs implemented in std
- #endif
- int main( )
- { deque <int> c1;
- deque <int>::iterator c1_Iter;
- deque <int>::reverse_iterator c1_rIter;
- c1.push_back( 10 );
- c1.push_back( 20 );
- c1.push_back( 30 );
- c1_rIter = c1.rend( );
- c1_rIter --; // Decrementing a reverse iterator moves it forward
- // in the deque (to point to the first element here)
- cout << "The first element in the deque is: " << *c1_rIter << endl;
- cout << "The deque is: ";
- for ( c1_Iter = c1.begin( ); c1_Iter != c1.end( ); c1_Iter++ )
- cout << *c1_Iter << " ";
- cout << endl;
- cout << "The reversed deque is: ";
- for ( c1_rIter = c1.rbegin( ); c1_rIter != c1.rend( ); c1_rIter++ )
- cout << *c1_rIter << " ";
- cout << endl;
- c1_rIter = c1.rend( );
- c1_rIter--; // Decrementing the reverse iterator moves it backward
- // in the reversed deque (to the last element here)
- *c1_rIter = 40; // This modification of the last element would
- // have caused an error if a const_reverse
- // iterator had been declared (as noted above)
- cout << "The modified reversed deque is: ";
- for ( c1_rIter = c1.rbegin( ); c1_rIter != c1.rend( ); c1_rIter++ )
- cout << *c1_rIter << " ";
- cout << endl;
- return 0;
- }