题解 | #最后k个元素#

#include<bits/stdc++.h>
#include <vector>
using namespace std;
int main() {
    int n, k;
    vector<int>a;
    // write your code here......

    cin >> n;
    cin >> k;
    int num;

    // cin >> num;
    // a.push_back(num);

    for (int i = 0; i < n; i++) {
        cin >> num;
        a.push_back(num);
    }
    for (vector<int>::reverse_iterator it = a.rbegin(); it < a.rbegin() + k ;
            it++) {
        cout << *it << " ";
    }

    return 0;
}