CHAPTER11-6.cpp
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上传日期:2007-07-03
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- //文件名:CHAPTER11-6.cpp
- #include <vector>
- #include <list>
- #include <algorithm>
- #include <iostream>
- // Return whether second element is twice the first
- bool twice ( int elem1, int elem2 )
- { return elem1 * 2 == elem2;}
- int main( )
- {
- using namespace std;
- vector <int> v1, v2;
- list <int> L1;
- vector <int>::iterator Iter1, Iter2;
- list <int>::iterator L1_Iter, L1_inIter;
- int i;
- for ( i = 0 ; i <= 5 ; i++ ) {v1.push_back( 5 * i ); }
- int ii;
- for ( ii = 0 ; ii <= 7 ; ii++ ) {L1.push_back( 5 * ii );}
- int iii;
- for ( iii = 0 ; iii <= 5 ; iii++ ) {v2.push_back( 10 * iii );}
- cout << "Vector v1 = ( " ;
- for ( Iter1 = v1.begin( ) ; Iter1 != v1.end( ) ; Iter1++ ) cout << *Iter1 << " ";
- cout << ")" << endl;
- cout << "List L1 = ( " ;
- for ( L1_Iter = L1.begin( ) ; L1_Iter!= L1.end( ) ; L1_Iter++ ) cout << *L1_Iter << " ";
- cout << ")" << endl;
- cout << "Vector v2 = ( " ;
- for ( Iter2 = v2.begin( ) ; Iter2 != v2.end( ) ; Iter2++ ) cout << *Iter2 << " ";
- cout << ")" << endl;
- // Testing v1 and L1 for mismatch under identity
- pair<vector <int>::iterator, list <int>::iterator> results1;
- results1 = mismatch (v1.begin( ), v1.end( ), L1.begin( ));
- if ( results1.first == v1.end( ) ) cout << "The two ranges do not differ."<< endl;
- else
- cout << "The fist mismatch is between "<< *results1.first << " & " << *results1.second<< endl;
- // Modifying L1
- L1_inIter = L1.begin( );
- L1_inIter++;
- L1_inIter++;
- L1.insert(L1_inIter, 100);
- cout << "Modified L1 = ( " ;
- for ( L1_Iter = L1.begin( ) ; L1_Iter!= L1.end( ) ; L1_Iter++ ) cout << *L1_Iter << " ";
- cout << ")" << endl;
- // Testing v1 with modified L1 for mismatch under identity
- results1 = mismatch ( v1.begin( ), v1.end( ), L1.begin( ) );
- if ( results1.first == v1.end( ) ) cout << "The two ranges do not differ."<< endl;
- else cout << "The fist mismatch is between "
- << *results1.first << " & " << *results1.second<< endl;
- // Test v1 and v2 for mismatch under the binary predicate twice
- pair<vector <int>::iterator, vector <int>::iterator> results2;
- results2 = mismatch ( v1.begin( ), v1.end( ), v2.begin( ), twice );
- if ( results2.first == v1.end( ) )
- cout << "The two ranges do not differ under the binary "<< "predicate twice." << endl;
- else
- cout << "The fist mismatch is between "<< *results2.first << " & " << *results2.second<< endl;
- }