vector swap
#include <iostream>
#include <vector>
#include <list>
#include <deque>
using namespace std;
int main()
{
vector<int> a;
vector<int> b;
a.push_back(10);
a.push_back(20);
a.push_back(30);
a.push_back(40);
b.push_back(100);
b.push_back(200);
b.push_back(300);
vector<int>::iterator a_iter;
vector<int>::iterator b_iter;
for (a_iter =a.begin();a_iter !=a.end();a_iter++)
{
cout << *a_iter<< endl;
}
cout << "-------------------------------" << endl;
for (b_iter = b.begin(); b_iter != b.end(); b_iter++)
{
cout << *b_iter << endl;
}
cout << "-------------------------------" << endl;
a.swap(b);
vector<int>::iterator a_iter2;
vector<int>::iterator b_iter2;
for (a_iter2 = a.begin(); a_iter2 != a.end(); a_iter2++)
{
cout << *a_iter2 << endl;
}
cout << "-------------------------------" << endl;
for (b_iter2 = b.begin(); b_iter2 != b.end(); b_iter2++)
{
cout << *b_iter2 << endl;
}
cout << "-------------------------------" << endl;
system("pause");
return 0;
}
====================================================
10
20
30
40
-------------------------------
100
200
300
-------------------------------
100
200
300
-------------------------------
10
20
30
40
-------------------------------
请按任意键继续. . .