题解 | #迭代器遍历容器#

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

int main()
{
    int num1, num2, num3,num4, num5;
    cin >> num1 >> num2 >> num3 >> num4 >> num5;
    vector<int> v;
    v.push_back(num1);
    v.push_back(num2);
    v.push_back(num3);
    v.push_back(num4);
    v.push_back(num5);
    for(vector<int>::iterator it = v.begin(); it != v.end(); it++)
        cout << *it << " ";
    cout << endl;
    for(vector<int>::iterator it = v.end() - 1; it != v.begin() -1; it--)
        cout << *it << " ";
    return 0;
}