map.cpp

来自「一些STL的使用范例」· C++ 代码 · 共 27 行

//map.cpp

//By phoenixinter
//On 11/23/2004

#include<iostream>
#include<map>
#include<string>
using namespace std;

int main()
{
    /*type of the container:
     *-map: elements key/value pairs
     *-string: keys have type string
     *-float: values have type float
     */
    
    typedef map<string,float> StringFloatMap;
    StringFloatMap col1;
    
    //Remark:map允许你用operator []插入元素 
    col1["VAT"]=0.15;
    col1["Pi"]=3.1415;
    col1["an arbitrary number"]=4983.223;