题解 | #迭代器遍历容器#

#include <iostream>
// write your code here......
#include <iterator>
#include<vector>

using namespace std;

int main() {

    // write your code here......
    vector<int>v;
    for (int i = 0; i < 5; i++) {
        int n;
        cin >> n;
        v.push_back(n);
    }

    for (vector<int>::iterator it = v.begin(); it != v.end(); it++) {
        cout << *it << " ";
    }
    cout << endl;

    for (vector<int>::reverse_iterator itr = v.rbegin(); itr != v.rend(); itr++) {
        cout << *itr << " ";
    }


    return 0;
}