4.2

#define  _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<string>
using namespace std;
int main()
{
	string name;
	string dessert;

	cout << "Enter your name : \n";
	getline(cin, name);//此处getline（）不是类方法。将cin作为参数，指出到哪里去查找参数
	cout << "Enter your favorite dessert : \n";
	getline(cin, dessert);
	cout << "I have some delicious " << dessert;
	cout << "for you, " << name << '.' << endl;
	return 0;
}