vector容器

#include<iostream>
#include<Windows.h>
#include<vector>
#include<deque>
using namespace std;
void prinfVector(vector<int> &v)
{//vector迭代器支持随机访问
    for (vector<int>::iterator it=v.begin();it!=v.end();it++)
    {
        //可以修改容器内容
        if (*it==3)
        {
            *it = 33333;
        }
        cout << *it << "  ";
    }
    cout << endl;
}

//扩展，只读访问Vector
void prinfVectorconst(const vector<int> &v)
{//vector迭代器支持随机访问
    for (vector<int>::const_iterator it = v.begin(); it != v.end(); it++)
    {
        //*it = 100; 无法修改容器内容
        cout << *it << "  ";
    }
    cout << endl;
}

void test1()
{//初始化构造函数
    vector<int> v1;
    for (size_t i = 0; i < 10; i++)
    {
        v1.push_back(i);
    }
    vector<int> v2(v1);
    vector<int> v3(v1.begin(),v1.end());
    vector<int> v4(13,5);
    cout << "初始化构造函数: " << endl;
    prinfVector(v1);
    prinfVector(v2);
    prinfVector(v3);
    prinfVector(v4);

    //赋值
    cout << "赋值: " << endl;
    vector<int> v5;
    v5 = v1;
    prinfVector(v5);

    vector<int> v6;
    v6.assign(v5.begin(),v5.end());
    prinfVector(v6);

    vector<int> v7;
    v7.assign(5,19);
    prinfVector(v7);

    //容量和大小
    cout << "容量和大小: " << endl;
    vector<int> v8(v1);
    cout << "v8容量" << v8.size() << "v8大小: " << v8.size() << endl;
    cout << "v8容量"<<v8.capacity()<<"v8大小: "<<v8.size() << endl;
    //删除
    if (!v8.empty())
    {
        v8.pop_back();
    }
    prinfVector(v8);

    //重置容器大小
    v8.resize(20);
    prinfVector(v8);
    v8.resize(30,9);
    prinfVector(v8);
    v8.resize(8, 4);
    prinfVector(v8);
    //插入数据
    v8.insert(v8.begin(),2);
    prinfVector(v8);
    v8.insert(v8.begin(), 5,7);
    prinfVector(v8);
    //删除容器元素
    v8.erase(v8.begin());
    prinfVector(v8);
    v8.erase(v8.begin(),v8.end());
    v8.insert(v8.begin(), 2);
    prinfVector(v8);
}

int main()
{
    test1();

    system("pause");
    return 0;
}