map容器——输入数字输出对应的星期程序

#include <iostream>

#include<map>

#include<string>

using namespace std;

int main()

{

map<int,string>a;

string str[]={"Monday","Tuesday","Wednesday","Thusday","Friday","Saterday","Sunday"};

int i;

for(i=0;i<7;i++)

{

a.insert({i+1,str[i]});

}

while(cin>>i)

{

cout<<a[i]<<'\n';

}

}