#include<vector>

#include<algorithm>

#include<functional>

#include<iostream>

using namespace std;

int main()

{

	int ia[] = {1,2,3,4,5,6,7,8,9,10};

	vector<int> vi;

	for(int i=0; i<10; ++i)

		vi.push_back(ia[i]);

	for(auto i : ia)//i自动遍历获取ia的值，此时i是int类型

		cout<<i<<" ";

	cout<<endl;

	for(auto& i : ia)//i自动遍历获取ia各个元素的引用，此时i是引用类型

		i = i*3;

	for(auto a : ia)

		cout<<a<<" ";

	cout<<endl;

	vector<int> bi(vi);

	for(auto ite=bi.begin(); ite!=bi.end(); ++ite)//i为迭代器

		cout<<*ite<<" ";

	cout<<endl;

	return 0;

}