#include<bits/stdc++.h>
using namespace std;
#define runtime() ((double)clock() / CLOCKS_PER_SEC)
#define endl "\n"
int main()
{
#ifndef ONLINE_JUDGE
freopen("input.txt", "r",stdin);
freopen("output.txt", "w",stdout);
#endif
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
// just code it
// main code
int n, m; cin >> n >> m;
vector<int> v(n);
for (auto &x: v) {cin >> x;}
vector<int> b(m);
for (auto &x: b)
{
cin >> x;
set<int> s;
for (int i = x - 1; i < n; i++)
{
s.insert(v[i]);
}
cout << s.size() << endl;
}
return 0;
}