题解 | #最后k个元素#

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,k;
	vector<int>a;
	// write your code here......
	cin >> n >> k;
	for (int i = 0, x; i < n; ++i) {
		int num;
		cin >> num;
		a.push_back(num);
	}

	for (auto it = a.rbegin(); it != a.rbegin() + k; ++it) {
		cout << *it << " ";
	}
	cout << endl;
	return 0;
}