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#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; }