#include <iostream>

using namespace std;

const int MAXN = 2e5 + 5, MAXK = 20;

struct SegTree {
  int ans, n, m, len, pre[20], suf[20], lp[20], lq[20];
} tr[MAXN * 4], I;

int T, n, k, a[MAXN];

void init(SegTree &u) {
  u = I;
}

SegTree Merge(SegTree l, SegTree r) {
  SegTree ret; init(ret);
  ret.ans = min(l.ans, r.ans);
  ret.n = l.n, ret.m = r.m;
  ret.len = l.len + r.len;
  for (int i = 1; i <= l.n; i++) {
    ret.pre[i] = l.pre[i], ret.lp[i] = l.lp[i];
  }
  for (int i = 1; i <= r.n; i++) {
    if ((ret.pre[ret.n] | r.pre[i]) != ret.pre[ret.n]) {
      ret.pre[ret.n + 1] = (ret.pre[ret.n] | r.pre[i]);
      ret.lp[++ret.n] = l.len + r.lp[i];
    }
  }
  for (int i = 1; i <= r.m; i++) {
    ret.suf[i] = r.suf[i], ret.lq[i] = r.lq[i];
  }
  for (int i = 1; i <= l.m; i++) {
    if ((ret.suf[ret.m] | l.suf[i]) != ret.suf[ret.m]) {
      ret.suf[ret.m + 1] = (ret.suf[ret.m] | l.suf[i]);
      ret.lq[++ret.m] = r.len + l.lq[i];
    }
  }
  for (int i = 1, j = r.n; i <= l.m; i++) {
    for (; j && (l.suf[i] | r.pre[j]) != (1 << k) - 1; j--);
    if (j) ret.ans = min(ret.ans, l.lq[i] + r.lp[j]);
  }
  return ret;
}

void bulid(int i, int l, int r) {
  if (l == r) {
    init(tr[i]), tr[i].len = 1;
    return ;
  }
  int mid = (l + r) >> 1;
  bulid(i * 2, l, mid), bulid(i * 2 + 1, mid + 1, r);
}

void modify(int i, int l, int r, int x, int v) {
  if (l == r) {
    tr[i].pre[1] = tr[i].suf[1] = v;
    tr[i].n = tr[i].m = tr[i].lp[1] = tr[i].lq[1] = 1;
    tr[i].ans = (v != (1 << k) - 1) * (n + 9) + 1;
    //cout << tr[i].ans << ' ';
    return ;
  }
  int mid = (l + r) >> 1;
  x <= mid ? modify(i * 2, l, mid, x, v) : modify(i * 2 + 1, mid + 1, r, x, v);
  tr[i] = Merge(tr[i * 2], tr[i * 2 + 1]);
}

SegTree query(int i, int l, int r, int ql, int qr) {
  if (l > qr || r < ql) return I;
  if (ql <= l && r <= qr) return tr[i];
  int mid = (l + r) >> 1;
  return Merge(query(i * 2, l, mid, ql, qr), query(i * 2 + 1, mid + 1, r, ql, qr));
}

int main() {
  ios::sync_with_stdio(0), cin.tie(0);
  I = {n + 10, 0, 0, 0};
  for (int j = 0; j < 20; j++) {
    I.pre[j] = I.suf[j] = I.lp[j] = I.lq[j] = 0;
  }
  cin >> n >> k, bulid(1, 1, n);
  for (int i = 1; i <= n; i++) {
    cin >> a[i], modify(1, 1, n, i, a[i]);
  }
  //cout << tr[2].ans << '\n';
  cin >> T;
  for (int op, u, v, l, r; T--; ) {
    cin >> op;
    if (op == 1) {
      cin >> u >> v;
      modify(1, 1, n, u, v);
    } else {
      cin >> l >> r;
      int ans = query(1, 1, n, l, r).ans;
      cout << (ans <= n ? ans : -1) << '\n';
    }
  }
  return 0;
}