#include<bits/stdc++.h>
#include<atcoder/segtree>
using namespace std;

int inf=2e9;
int op(int a,int b){return max(a,b);}
int e(){return -inf;}
int x;
bool f(int a){return a<=x;}

int main(){
  int n,q;
  cin>>n>>q;
  vector<int> a(n);
  for (int i=0;i<n;i++) cin>>a[i];
  atcoder::segtree<int,op,e> seg(a);
  while (q--){
    int c;
    cin>>c>>x;
    int mx=seg.all_prod();
    if (mx<=x){
      cout<<-1<<endl;
      continue;
    }
    int ans;
    if (c==1){
      int idx=seg.max_right<f>(0);
      ans=idx;
    }
    if (c==2){
      int idx=seg.min_left<f>(n);
      ans=idx-1;
    }
    cout<<ans+1<<endl;
    seg.set(ans,e());
  }
}