4-8.cpp

Accelerated C++ 课后练习题 本人自己完成、可供参考

#include<iostream>
#include<vector>
using namespace std;
int main()
{
	vector<double> store;
	double x;

	store.clear();
	while(cin>>x)
		store.push_back(x);
	cin.clear();
	char a;			//used to suck the worry input
	cin>>a;			

	int n;
	cout<<"to see which number__";
	cin>>n;
	cout<<"No.n number is:  "<<store.begin()[n]<<endl;;
	return 0;
}