第14周-閱讀程序（1）

#include<iostream>
#include<vector>
#include<iterator>
using namespace std;
int main()
{
    vector<int> ivec;
    int i;
    for(i = 0; i < 5; i++ )
        ivec.push_back(i);
    for(i = 0; i < 5; i++)
        cout<<ivec[i]<<"  ";
    cout<<endl;
    while( !ivec.empty())
    {
        cout << ivec.back() << "  ";
        ivec.pop_back();
    }
    cout << endl;
    for(i = 0; i < 5; i++)
        cout<<ivec[i]<<"  ";
    cout<<endl;
    copy(ivec.begin(),ivec.end(),ostream_iterator<int>(cout, "  "));
    cout<<endl;
    cout << "size=" << ivec.size() << endl;
    return 0;
}

運行結果：