代码简单

# include<iostream>
#include<deque>
# include<algorithm>
# include<string>
using namespace std;

void printVector(const deque<int>& v) //容器中的数不可以需改
{
	for (deque<int>::const_iterator it = v.begin(); it != v.end(); it++)
	{
		cout << *it << " ";
	}
	cout << endl;
}
void test01()
{
	deque<int>v1;
	for (int i = 0; i < 10; i++)
	{
		v1.push_back(i);
	}
	printVector(v1);

	deque<int>v2;

	v2 = v1;
	printVector(v2);

	deque<int>v3;
	v3.assign(v2.begin(), v2.end());
	printVector(v3);

	deque<int>v4;
	v3.assign(10,100);
	printVector(v3);


}
int main()
{
	test01();
	system("pause");
	return 0;
}