#include<bits/stdc++.h>

using namespace std;
using pir = pair<int, int>;

const int N = 2e5 + 5;
const int M = 17;

int n, k, q, a[N];

struct node{
  int ans, maxx[M], minx[M];
  void clean(){
    ans = N;
    for(int i = 0; i < k; i++) maxx[i] = -N;
    for(int i = 0; i < k; i++) minx[i] = N;
  }
}tr[4 * N];

node mymerge(int l, int mid, int r, const node &tl, const node &tr){
  node m;
  m.clean();
  m.ans = min(tl.ans, tr.ans);
  for(int i = 0; i < k; i++) m.maxx[i] = max(tl.maxx[i], tr.maxx[i]);
  for(int i = 0; i < k; i++) m.minx[i] = min(tl.minx[i], tr.minx[i]);
  if(m.ans == 1) return m;
  vector<int> v;
  for(int i = 0; i < k; i++){
    if(tl.maxx[i] != -N) v.push_back(tl.maxx[i]);
    if(tl.minx[i] != N) v.push_back(tl.minx[i]);
    if(tr.maxx[i] != -N) v.push_back(tr.maxx[i]);
    if(tr.minx[i] != N) v.push_back(tr.minx[i]);
  }
  sort(v.begin(), v.end());
  for(int i = 0; i < v.size(); i++){
    int sum = 0;
    for(int j = i; j < v.size(); j++){
      sum |= a[v[j]];
      if(sum == (1 << k) - 1){
        m.ans = min(m.ans, v[j] - v[i] + 1);
        break;
      }
    }
  }
  return m;
}

void build(int id, int l, int r){
  if(l == r){
    tr[id].clean();
    if(a[l] == (1 << k) - 1) tr[id].ans = 1;
    for(int i = 0; i < k; i++){
      if((a[l] >> i) & 1) tr[id].maxx[i] = l;
    }
    return ;
  }
  int mid = (l + r) >> 1;
  build((id << 1), l, mid), build(((id << 1) | 1), mid + 1, r);
  tr[id] = mymerge(l, mid, r, tr[id << 1], tr[(id << 1) | 1]);
}

void change(int id, int l, int r, int x, int num){
  if(l == r){
    tr[id].clean();
    if(num == (1 << k) - 1) tr[id].ans = 1;
    for(int i = 0; i < k; i++){
      if((num >> i) & 1) tr[id].maxx[i] = x;
    }
    return ;
  }
  int mid = (l + r) >> 1;
  if(x <= mid) change((id << 1), l, mid, x, num);
  else change(((id << 1) | 1), mid + 1, r, x, num);
  tr[id] = mymerge(l, mid, r, tr[id << 1], tr[(id << 1) | 1]);
}

node sum;
int nl, nr;

void query(int id, int l, int r, int p, int q){
  if(p <= l && q >= r){
    if(nl == N){
      sum = tr[id];
      nl = min(nl, l), nr = max(nr, r);
      return ;
    }
    sum = mymerge(nl, nr, r, sum, tr[id]);
    nl = min(nl, l), nr = max(nr, r);
    return ;
  }
  if(r < p || l > q) return ;
  int mid = (l + r) >> 1;
  query((id << 1), l, mid, p, q), query(((id << 1) | 1), mid + 1, r, p, q);
}

long long getans(int l, int r){
  nl = N, nr = 0, sum.clean();
  query(1, 1, n, l, r);
  return sum.ans;
}

int main(){
  ios::sync_with_stdio(0), cin.tie(0);
  cin >> n >> k;
  for(int i = 1; i <= n; i++) cin >> a[i];
  build(1, 1, n);
  cin >> q;
  for(int i = 1, op; i <= q; i++){
    cin >> op;
    if(op == 1){
      int j, v;
      cin >> j >> v;
      a[j] = v;
      change(1, 1, n, j, v);
    }
    else{
      int l, r;
      cin >> l >> r;
      int now = getans(l, r);
      if(now == N) cout << -1 << '\n';
      else cout << now << '\n';
    }
  }
  return 0;
}
/*
14 6 3 12 15 11
2 1 2
1 3 4
1 2 6
1 5 5
2 4 6
1 5 15
1 3 3
2 1 5
1 3 11
2 2 4
*/