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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pi = pair<int, int>;
using vpi = vector<pi>;
using vi = vector<int>;
using vll = vector<long long>;
using mpii = map<int, int>;
using mpll = map<ll, ll>;
using db = long double;
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define lb lower_bound
#define ub upper_bound
const int MOD = (int)1e9 + 7;
const db PI = acos((db)-1);
const int dx[4]{1, 0, -1, 0};
const int dy[4]{0, 1, 0, -1};
// pretty printing
template <typename K, typename V> void printm(const map<K, V> &mp) {
cerr << "{" << endl;
for (auto p : mp) {
cerr << " { " << p.first << " : " << p.second << " }\n";
}
cerr << "}" << endl;
}
template <typename T> void printv(const vector<T> &v) {
cerr << "[";
for (int i = 0; i < v.size(); i++) {
if (i == v.size() - 1) {
cerr << v[i];
} else {
cerr << v[i] << ", ";
}
}
cerr << "]\n";
}
template <typename T> void printvv(const vector<vector<T>> &v) {
cerr << "[\n";
for (auto &vec : v) {
cout << " ";
printv(vec);
}
cerr << "]\n";
}
void print() { cerr << "\n"; }
template <typename T, typename... TS> void print(T val, TS... vals) {
cerr << val << " ";
print(vals...);
}
/* stuff you should look for:
---------------------------
* special cases (n=1?)
* int overflow, array bounds
* do smth instead of nothing and stay organized
* WRITE STUFF DOWN
* DON'T GET STUCK ON ONE APPROACH
*/
void solve() {
int n, m;
cin >> n >> m;
vi v(n);
vi q(m);
set<int> st;
for (auto &x : v) {
cin >> x;
st.insert(x);
}
for (auto &x : q)
cin >> x;
vi fq(1e5 + 5);
vi dp(n);
dp[0] = st.size();
for (int i = 0; i < n; i++) {
fq[v[i]]++;
}
for (int i = 1; i < n; i++) {
fq[v[i - 1]]--;
dp[i] = dp[i - 1] - (fq[v[i - 1]] == 0);
}
for (auto x : q) {
cout << dp[x - 1] << '\n';
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
solve();
}
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