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......
	// 迭代器倒序遍历
	cin>>n>>k;
	int tmp;
	for(int i=0; i < n; ++i){
		cin>>tmp;
		a.push_back(tmp);
	}
	vector<int>::iterator iter = a.end();
	for(tmp = 0; tmp < k; tmp++) {
		iter--;
		cout<<*iter<<" ";
	}
	return 0;
}