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

template<class T>
struct node{
  T val;
  T acm;
  inline T f(T a,T b){return a<=b?a:b;};
  size_t sz;
  node *parent,*left,*right;
  node():parent(nullptr),left(nullptr),right(nullptr),sz(1){}
  node(T const& v):val(v),parent(nullptr),left(nullptr),right(nullptr),sz(1){}
  int state(){
      if(!this->parent)return 0;
      if(this->parent->left==this)return 1;
      if(this->parent->right==this)return -1;
      return 0;
  }
  void rotate(){
      node<T> *pp,*p,*c;
      p = this->parent;
      pp = p->parent;
      if(p->left==this){
        c = this->right;
        this->right = p;
        p->left = c;
      }else{
        c = this->left;
        this->left = p;
        p->right = c;
      }
      if(pp && pp->left==p)pp->left = this;
      if(pp && pp->right==p)pp->right = this;
      this->parent = pp;
      p->parent = this;
      if(c)c->parent = p;
      p->update();
      this->update();
  }
  void splay(){
      while(this->state()!=0){
        if(this->parent->state()==0){
          this->rotate();
        }
        else if(this->state()==this->parent->state()){
          this->parent->rotate();
          this->rotate();
        }
        else{
          this->rotate();
          this->rotate();
        }
      }
  }
  void update(){
    this->sz = 1;
    this->acm = this->val;
    if(this->left){
      this->sz += this->left->sz;
      acm = f(acm,this->left->acm);
    }
    if(this->right){
      this->sz += this->right->sz;
      acm = f(acm,this->right->acm);
    }
  }
};

template<class T>
node<T>* get(int k,node<T>* root){
  node<T>* tmp = root;
  while(1){
    int lsz = tmp->left?tmp->left->sz:0;
    if(k<lsz){
      tmp = tmp->left;
    }
    if(k==lsz){
      tmp->splay();
      return tmp;
    }
    if(k>lsz){
      tmp = tmp->right;
      k = k-lsz-1;
    }
  }
}

template<class T>
node<T>* merge(node<T>* lroot,node<T>* rroot){
  if(!lroot)return rroot;
  if(!rroot)return lroot;
  lroot = get(lroot->sz-1,lroot);
  lroot->right = rroot;
  rroot->parent = lroot;
  lroot->update();
  return lroot;
}

template<class T>
pair<node<T>*,node<T>*> split(int left_cnt,node<T>* root){
  if(left_cnt==0)return make_pair(nullptr,root);
  if(left_cnt==root->sz)return make_pair(root,nullptr);
  root = get(left_cnt,root);
  node<T> *lroot,*rroot;
  lroot = root->left;
  rroot = root;
  rroot->left = nullptr;
  lroot->parent = nullptr;
  rroot->update();
  return make_pair(lroot,rroot);
}

template<class T>
node<T>* insert(int k,node<T>* tmp,node<T>* root){
  auto trees = split(k,root);
  node<T>* lroot = trees.first;
  node<T>* rroot = trees.second;
  return merge(merge(lroot,tmp),rroot);
}

template<class T>
pair<node<T>*,node<T>*> erase(int k,node<T>* root){
  root = get(k,root);
  node<T>* lroot = root->left;
  node<T>* rroot = root->right;
  if(lroot)lroot->parent = nullptr;
  if(rroot)rroot->parent = nullptr;
  root->left = nullptr;
  root->right = nullptr;
  root->update();
  return make_pair(merge(lroot,rroot),root);
}

template<class T>
node<T>* shift(int l,int r,node<T>* root){
  auto tmp = erase(r,root);
  root = tmp.first;
  node<T>* n = tmp.second;
  return insert(l,n,root);
}

template<class T>
pair<node<T>*,T> rmq(int l,int r,node<T>* root){
  node<T> *lroot,*croot,*rroot;
  auto tmp = split(r+1,root);
  rroot = tmp.second;
  tmp = split(l,tmp.first);
  lroot = tmp.first;
  croot = tmp.second;
  T res = croot->acm;
  return make_pair(merge(merge(lroot,croot),rroot),res);
}

node<int64_t>* a;

signed main(){

  cin.tie(0);
  ios::sync_with_stdio(false);

  int n,q;
  cin>>n>>q;
  a = new node<int64_t>[n];
  for(int i=0;i<n-1;++i){
    a[i].parent = &a[i+1];
    a[i+1].left = &a[i];
    a[i+1].update();
  }
  for(int i=0;i<n;++i){
    cin>>a[i].val;
    a[i].update();
  }

  node<int64_t>* root = &a[n-1];
  for(int i=0;i<q;++i){
    int com;
    cin>>com;
    if(com==0){
      int l,r;
      cin>>l>>r;
      root = shift(l,r,root);
    }
    if(com==1){
      int l,r;
      cin>>l>>r;
      auto tmp = rmq(l,r,root);
      root = tmp.first;
      cout<<tmp.second<<"\n";
    }
    if(com==2){
      int p;
      int64_t v;
      cin>>p>>v;
      root = get(p,root);
      root->val = v;
      root->update();
    }
  }

}
