题解 | #迭代器遍历容器#

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

using namespace std;

int main() {

    // write your code here......
    vector<int> v1(5);
    for(int i =0; i<5; i++)
        cin >> v1[i];
    vector<int>::iterator it;
    for(it = v1.begin(); it!=v1.end(); it++){
        cout << *it << " ";
    }
    cout << endl;
    vector<int>::reverse_iterator it1;
    for(it1 = v1.rbegin(); it1 !=v1.rend(); it1++){
        cout << *it1 << " ";
    }

    return 0;
}