RE求助（悬关）！！！！！！！！！！！！！

#include <bits/stdc++.h>
using namespace std;
int n,m;
int a[200005],p[200005];
int main()
{
	cin >> n >> m;
	for (int i = 1;i <= n;i++)
	{
		cin >> a[i];
	}
	for (int i = 1;i <= m;i++)
	{
		cin >> p[i];
	}
	for (int i = 1;i <= m;i++)
	{
		cout << a[p[i]] << " ";
	}
    return 0;
}