#include <iostream>

#include <vector>

using namespace std;

int main ()

{

    vector<int> myvector;

    // set some initial content:

    for (int i=;i<;i++) myvector.push_back(i);//长度为9

    myvector.resize();//重新设置长度为5，多余的元素删掉

    myvector.resize(,);//重新设置长度为8，填充元素为100

    myvector.resize();//默认填充的元素是0

    cout << "myvector contains:";

    for (int i=;i<myvector.size();i++)

        cout << ' ' << myvector[i];

    cout << '\n';

    return ;

}

myvector contains: