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

#define rep(i,x,y) for(int i=(x);i<(y);++i)
#define mp(a,b) make_pair((a),(b))
#define debug(x) #x << "=" << (x)
 
#ifdef DEBUG
#define _GLIBCXX_DEBUG
#define dump(x) std::cerr << debug(x) << " (L:" << __LINE__ << ")" << std::endl
#else
#define dump(x)
#endif

typedef long long int ll;
typedef pair<int,int> pii;
//template<typename T> using vec=std::vector<T>;

const int inf=1<<30;
const long long int inf64=1LL<<58;
const double EPS=1e-9;
const int dx[]={1,0,-1,0},dy[]={0,1,0,-1};

template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec){
	os << "[";
	for (const auto &v : vec) {
		os << v << ",";
	}
	os << "]";
	return os;
}

class xor128{
    public:
    static int rand(){
        t=x^(x<<11);
        x=y;
        y=z;
        z=w;
        w=(w^(w>>19))^(t^(t>>8));
        return w & 0x7fffffff;
    }
    private:
    static unsigned int x;
    static unsigned int y;
    static unsigned int z;
    static unsigned int w;
    static unsigned int t;
};
unsigned int xor128::x=123456789;
unsigned int xor128::y=362436069;
unsigned int xor128::z=521288629;
unsigned int xor128::w=88675123;
unsigned int xor128::t=1;

template<class T> class rbst{
public:
	struct node{
        T val,min;
        node* left,*right;
        unsigned sz;
        node(T val):val(val),min(val),left(NULL),right(NULL),sz(1){}
    };

    node* root;
    rbst():root(NULL){}

    unsigned size(){ return size(root); }
    unsigned size(node*v){ return v?v->sz:0; }
    T min(node* v){ return v?v->min:numeric_limits<T>::max(); }

	node* update(node* x){
		x->sz=size(x->left)+size(x->right)+1;
        x->min=std::min({x->val,min(x->left),min(x->right)});
		return x;
	}

	node* merge(node* x,node* y){
        if(!x or !y) return x?x:y;
        
		int m=x->sz,n=y->sz;
		if(xor128::rand()%(m+n)<m){
			x->right=merge(x->right,y);
			return update(x);
		}
        y->left=merge(x,y->left);
        return update(y);
	}

    //[0,pos),[pos,sz)
	pair<node*,node*> split(node *v,unsigned pos){
        if(!v) return pair<node*,node*>(NULL,NULL);
        if(pos<=size(v->left)){
            pair<node*,node*> s=split(v->left,pos);
            v->left=s.second;
            return make_pair(s.first,update(v));
        }
        auto s=split(v->right,pos-size(v->left)-1);
        v->right=s.first;
        return make_pair(update(v),s.second);
    }
     

    node* insert(unsigned pos,T val){ return root=insert(root,pos,val); }
	node* insert(node* x,int pos,T val){
        auto y=split(x,pos);
        x=merge(y.first,new node(val));
        x=merge(x,y.second);
        return update(x);
    }

    node* erase(int pos){ return root=erase(root,pos); }
	node* erase(node* x,int pos){
		auto tmp=split(x,pos-1);
		node* l=tmp.first;
		node* r=split(tmp.second,1).second;
		return merge(l,r);
    }
    
    node* at(unsigned pos){
        node* x=root;
        while(x){
            unsigned sz=size(x->left);
            if(sz>pos) x=x->left;
            else if(sz==pos) return x;
            else{
                x=x->right;
                pos-=sz+1;
            }
        }
        return x;
    }

    //[l,r)
    node* shift(int l,int r){
        pair<node*,node*> u,v,w;
        u=split(root,r);
        v=split(u.first,r-1);
        w=split(v.first,l);
        return root=merge(merge(w.first,v.second),merge(w.second,u.second));
    }

    T min(int l,int r){
        pair<node*,node*> u,v;
        u=split(root,r);
        v=split(u.first,l);
        auto res=min(v.second);
        root=merge(merge(v.first,v.second),u.second);
        return res;
    }

    node* update(int pos,int val){
        pair<node*,node*> u,v;
        u=split(root,pos+1);
        v=split(u.first,pos);
        v.second->val=val;
        update(v.second);
        return root=merge(merge(v.first,v.second),u.second);
    }
};

void solve(){
    int n,q;
    cin >> n >> q;
    
    rbst<int> t;
    rep(i,0,n){
        int a;
        cin >> a;
        t.insert(i,a);
    }
    t.min(5,8);
    rep(i,0,q){
        int x,y,z;
        cin >> x >> y >> z;
        if(x==0) t.shift(y,z+1);
        else if(x==1) cout << t.min(y,z+1) << endl;
        else t.update(y,z);
    }
}

int main(){
	std::ios::sync_with_stdio(false);
	std::cin.tie(0);
	solve();
	return 0;
}

Measured memory_bytes: 12564