CPP新类型数组

/* CPP新类型数组 */

#include<iostream>
#include<array>
#include<string>
#include<stdlib.h>

void main()
{
    double db[4] = {1.1,2.2,3.3,4.4};

// std::array  数组的数据类型  double：元素类型  4  个数
    std::array<double,4> dbnew1 = {10.1,10.2,10.3,10.4};
    std::array<double,4> dbnew2 = dbnew1;// 可以实现数组之间的整体操作
    for (int i=0; i<4; i++)
    {
        std::cout << db[i] << " " << dbnew1[i]<<" " << dbnew2[i] << std::endl;
    }

    std::cin.get();
}

//-----------------------------------------------

void main()
{
    std::array<std::string,5> string1 = {"calc","notepad","tasklist","mspaint","write"};
    
    for (int i=0; i<5; i++)
    {
        std::cout << string1[i] << std::endl;
        system(string1[i].c_str());
    }

    std::cin.get();
}

//-----------------------------------------------

void main()
{
    std::string str1 = "task";
    std::string str2 = "list";
    std::string str3 = str1+str2;
    system(str3.c_str());
    std::cin.get();
}