copier.cpp

来自「C++ sample code, for the book: C++ blac」· C++ 代码 · 共 35 行

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

const int MAX = 5;

int main()
{
    int numbers_array[MAX];
    vector<int> numbers_vector(MAX);

    for (int loop_index = 0; loop_index < MAX; loop_index++){
        numbers_array[loop_index] = loop_index;
    }

    copy(numbers_array, numbers_array + MAX, numbers_vector.begin());

    ostream_iterator<int, char> ostream_itr(cout, " ");

    copy(numbers_vector.begin(), numbers_vector.end(), ostream_itr);
    cout << endl;

    copy(numbers_vector.rbegin(), numbers_vector.rend(), ostream_itr);
    cout << endl;

    vector<int>::reverse_iterator reverse_itr;
    for (reverse_itr = numbers_vector.rbegin(); 
        reverse_itr != numbers_vector.rend(); ++reverse_itr)
        cout << *reverse_itr << ' ';

    cout << endl;

    return 0;
}