//文件名：CHAPTER5-4.cpp
#include <iostream>
#include <vector>
using namespace std;
int main()
{vector<int> coll; // vector 容器 for integer elements
	int i;
	// append elements with values 1 to 6
	for (i=1; i<=6; ++i) {	coll.push_back(i);}
	// print all elements followed by a space
	for (i=0; i<coll.size(); ++i) {	cout << coll[i] << ' ';	}
	cout << endl;
	return 1;
}