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;i<n;i++)
    {
        int t;
        cin>>t;
        a.push_back(t);
    }
    //注意是end()-1
	for(vector<int>::iterator it=a.end()-1;it>=a.end()-k;it--)
    {
        cout<<*it<<" ";
    }
	return 0;
}