algorithm.cpp

来自「Vc.Net入门与提高源码」· C++ 代码 · 共 41 行

#pragma warning(disable: 4786)
#include <iostream>
#include <vector>
#include <algorithm>
#include <functional>
using namespace std;

int main()
{
    const int MAX_ELEMENTS = 8 ;
    typedef vector<int > IntVector ;
    typedef IntVector::iterator IntVectorIt ;
    IntVector Numbers(MAX_ELEMENTS), Result(MAX_ELEMENTS) ;
    IntVectorIt start, end, it, last, resultIt ;
    Numbers[0] = 10 ;
    Numbers[1] = 20 ;
    Numbers[2] = 10 ;
    Numbers[3] = 15 ;
    Numbers[4] = 12 ;
    Numbers[5] = 7 ;
    Numbers[6] = 9 ;
    Numbers[7] = 10 ;
    start = Numbers.begin() ;   
    end = Numbers.end() ;     
    resultIt = Result.begin() ; 
    cout << "Numbers { " ;
    for(it = start; it != end; it++)
        cout << *it << " " ;
    cout << " }\n" << endl ;
    last = replace_copy_if(start, end, resultIt,
                           bind2nd(greater_equal<int>(), 10), 30) ;
    cout << "Total number of elements copied to Result = "
        << last - resultIt << endl ;
    start = Result.begin() ;   
    end = Result.end() ;       
    cout << "Result  { " ;
    for(it = start; it != end; it++)
        cout << *it << " " ;
    cout << " }\n" << endl ;
}