16_拷贝与替换_swap.cpp

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;

// swap
/*
swap(container c1, container c2);
  互换两个容器的元素
  c1 容器1
  c2 容器2
*/

void myPrint(int val)
{
    cout << val << " ";
}

void test01()
{
    vector<int> v1;
    vector<int> v2;

    for (int i = 0; i < 10; i++)
    {
        v1.push_back(i);
        v2.push_back(i + 100);
    }

    cout << "交换前: " << endl;
    for_each(v1.begin(), v1.end(), myPrint);
    cout << endl;
    for_each(v2.begin(), v2.end(), myPrint);
    cout << endl;

    swap(v1, v2);

    cout << "交换后: " << endl;
    for_each(v1.begin(), v1.end(), myPrint);
    cout << endl;
    for_each(v2.begin(), v2.end(), myPrint);
    cout << endl;
}

int main()
{
    test01();
    return 0;
}