解题思路:
注意事项:
参考代码:#include <stdio.h>
#include<iostream>
#include <string>
using namespace std;
int main()
{
double x;
cout << "please input a number:"<<endl;
cin >> x;
string str = "";
cout << "please input a string:"<<endl;
cin >> str;
cout << x<<endl;
cout << str;
}
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