#include <map>

#include <string>

#include <iostream>

#include <iomanip>

using namespace std;

int main()

{

    typedef map<string, float> stringFloatMap;

    //create empty container

    stringFloatMap stocks1;

    //插入元素

    stocks1["BASF"] = 369.50;

    stocks1["VW"] = 413.50;

    stocks1["Daimler"] = 819.00;

    stocks1["BMW"] = 834.00;

    stocks1["Simements"] = 842.20;

    //输出

    stringFloatMap::iterator iter1;

    cout << left;

    for (iter1 = stocks1.begin();iter1 != stocks1.end();++iter1)

    {

        cout << "stock1:"<<setw()<<iter1->first<<"  price:"<<iter1->second << endl;

    }

    cout << endl;

    //所有 float统一变换

    for (iter1 = stocks1.begin();iter1 != stocks1.end();++iter1)

    {

        iter1->second *= ;

    }

    //输出

    for (iter1 = stocks1.begin(); iter1 != stocks1.end(); ++iter1)

    {

        cout << "stock1:" << setw() << iter1->first << "  price:" << iter1->second << endl;

    }

    cout << endl;

    stocks1["Volkswagen"] = stocks1["VW"];

    stocks1.erase("VW");

    //输出

    for (iter1 = stocks1.begin(); iter1 != stocks1.end(); ++iter1)

    {

        cout << "stock1:" << setw() << iter1->first << "  price:" << iter1->second << endl;

    }

    cout << endl;

    system("pause");

    return ;

}