Function solve

Math/Basis Vector.cpp:105–113

};

void solve() {
  int q; cin >> q;
  Basis B;
  while (q--) {
    int ty, k; cin >> ty >> k;
    if (ty == 1) B.insert(k);
    else cout << B.kth(k) << '\n';
  }
}

int32_t main() {
  ios_base::sync_with_stdio(0);