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1fd0050 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | #include <bits/stdc++.h>
using namespace std;
vector<int> do_query(const vector<int>& seq) {
if (seq.empty()) return {};
int L = seq.size();
cout << L;
for (int u : seq) cout << " " << u;
cout << '\n';
cout.flush();
vector<int> res(L);
for (int& r : res) cin >> r;
return res;
}
void output_guess(const vector<int>& perm) {
cout << -1;
for (int u : perm) cout << " " << u;
cout << '\n';
cout.flush();
exit(0);
}
int main() {
int subtask, n;
cin >> subtask >> n;
int target_k = (n <= 1000 ? n / 4 : 2000);
vector<int> labels(n);
for (int i = 0; i < n; i++) labels[i] = i + 1;
vector<int> II;
int s = max(1, n / 20);
int num_orders = 5;
vector<int> curr_I;
int start_pos = 0;
while (start_pos < n) {
int bs = min(s, n - start_pos);
vector<int> batch(labels.begin() + start_pos, labels.begin() + start_pos + bs);
vector<int> test_seq;
for (int u : batch) {
test_seq.push_back(u);
test_seq.push_back(u);
}
auto test_rep = do |