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  • stl list sort从大到小排序(转载)

    #include <algorithm>
    #include <functional>
    #include <iostream>
    #include <iterator>
    #include <list>
    #include <string>

    using namespace std;

    class Salesperson
    {
    public:
    Salesperson( const string& name = "", int sales = 0,int district = 0 );
    bool operator>( const Salesperson& rhs ) const;
    void print() const;

    private:
    int district_;
    string name_;
    int sales_;
    };

    inline Salesperson::Salesperson( const string& name, int sales, int district ): district_( district ), name_( name ), sales_( sales )
    {

    }

    inline bool Salesperson::operator>( const Salesperson& rhs ) const
    {
    return sales_ > rhs.sales_;
    }

    inline void Salesperson::print() const
    {
    cout<<name_ << " from District " << district_<< " has sales of $" << sales_ << endl;
    }

    int main( )
    {
    list<Salesperson> list1;
    list1.push_back( Salesperson( "A", 37000, 1 ) );
    list1.push_back( Salesperson( "B", 49000, 1 ) );
    list1.push_back( Salesperson( "C", 48500, 1 ) );

    // sort District 1 salespeople in descending order and display
    list1.sort( greater<Salesperson>() );
    for_each( list1.begin(), list1.end(), mem_fun_ref( &Salesperson::print ) );
    }

    引用:http://www.java2s.com/

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  • 原文地址:https://www.cnblogs.com/wghost/p/2705854.html
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