example2_reverse_iterators.cpp

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#include <iostream>
#include <vector>
#include <iterator>
#include <algorithm>

int main() {
    std::vector<int> numbers = {1, 2, 3, 4, 5};

    std::cout << "Forward iteration: ";
    for (auto it = numbers.begin(); it != numbers.end(); ++it) {
        std::cout << *it << " ";
    }
    std::cout << std::endl;

    std::cout << "Reverse iteration: ";
    for (auto rit = numbers.rbegin(); rit != numbers.rend(); ++rit) {
        std::cout << *rit << " ";
    }
    std::cout << std::endl;

    // Using reverse iterators with algorithms
    std::cout << "Reverse sorted: ";
    std::sort(numbers.rbegin(), numbers.rend());
    for (int num : numbers) {
        std::cout << num << " ";
    }
    std::cout << std::endl;

    return 0;
}