Run ID:2554
提交时间:2024-01-13 16:34:55
# include<iostream> using namespace std; int main(){ int n,m,b; cin>>n>>m; int a[n]; for(int i=0;i<n;i++){ cin>>a[i]; } b=a[0]; cout<<b<<endl; cout<<a[b-1]; return 0; }