#define NDEBUG
#include <cassert>
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <ctime>
#include <tuple>
#define dump(x) std::cerr << __LINE__ << ":\t" #x " = " << x << std::endl
using key_t = int;
const key_t INF = 1000000000;
const int MAX_N = 1000010;  // ?????\???????????° + EPS

enum { L, R };

uint32_t xor128() {
    static uint32_t x = 123456789, y = 362436069, z = 521288629, w = time(0);
    uint32_t t = x ^ (x << 11);
    x = y;
    y = z;
    z = w;
    w = (w ^ (w >> 19)) ^ (t ^ (t >> 8));
    return w;
}

struct node {
    key_t key;
    node *ch[2];
    int size;
    key_t min;

    static node *const nil;

    node() {}

    node(const key_t &x) : key(x), size(1), min(x) {}

    node(node *left_, node *right_, int size_, const key_t &min_)
        : size(size_), min(min_) {
        ch[L] = left_;
        ch[R] = right_;
    }

    void *operator new(std::size_t) {
        static node pool[MAX_N];
        static int p = 0;
        return pool + p++;
    }

    bool is_leaf() const {
        return size == 1;
    }
};

using np = node *;
using cnp = const node *;
using npair = std::pair<np, np>;

node *const node::nil = new node(nullptr, nullptr, 0, INF);

class rbst {
public:
    np root;

    rbst() : root(node::nil) {}

    rbst(np root_) : root(root_) {}

    rbst(key_t *left, key_t *right) : root(make_tree_rec(left, right)) {}

    np make_tree_rec(key_t *left, key_t *right) {
        int sz = right - left;
        key_t *mid = left + sz / 2;
        if (sz == 0) {
            return node::nil;
        } else if (sz == 1) {
            return new node(*mid);
        } else {
            np lc = make_tree_rec(left, mid);
            np rc = make_tree_rec(mid, right);
            return new node(lc, rc, sz, std::min(lc->min, rc->min));
        }
    }

    int size() const { return root->size; }

    void set(int k, const key_t &x) { set(root, k, x); }

    void set(np n, int k, const key_t &x) {
        if (n->is_leaf()) {
            n->key = n->min = x;
        } else {
            if (k < n->ch[L]->size) set(n->ch[L], k, x);
            else set(n->ch[R], k - n->ch[L]->size, x);
            update(n);
        }
    }

    key_t get(np n, int k) const {
        if (n->size == 1) return n->key;
        else if (k < n->ch[L]->size) return get(n->ch[L], k);
        else return get(n->ch[R], k - n->ch[L]->size);
    }

    key_t range_min(int l, int r) { return range_min(root, l, r); }

    key_t range_min(cnp n, int l, int r) const {
        l = std::max(l, 0);
        r = std::min(r, n->size);
        if (l >= r) return INF;
        if (l == 0 && r == n->size) return n->min;
        key_t res = INF;
        int sl = n->ch[L]->size;
        res = std::min(res, range_min(n->ch[L], l, r));
        res = std::min(res, range_min(n->ch[R], l - sl, r - sl));
        return res;
    }

    np merge(np l, np r) const {
        if (l == node::nil) return r;
        if (r == node::nil) return l;
        return merge_sub(l, r);
    }

    np merge_sub(np l, np r) const {
        int sl = l->size, sr = r->size;
        int rand = xor128() % (sl + sr + 1);
        if (rand < sl) {
            if (l->is_leaf()) return new node(l, r, l->size + r->size, std::min(l->min, r->min));
            l->ch[R] = merge_sub(l->ch[R], r);
            return update(l);
        } else if (rand == sl) {
            return new node(l, r, l->size + r->size, std::min(l->min, r->min));
        } else {
            if (r->is_leaf()) return new node(l, r, l->size + r->size, std::min(l->min, r->min));
            r->ch[L] = merge_sub(l, r->ch[L]);
            return update(r);
        }
    }

    std::pair<rbst, rbst> split(int k) {
        np l, r;
        std::tie(l, r) = split(root, k);
        return std::make_pair(rbst(l), rbst(r));
    }

    npair split(np n, int k) const {
        if (n == node::nil) return npair(node::nil, node::nil);
        else return split_sub(n, k);
    }

    npair split_sub(np n, int k) const {
        if (n->is_leaf()) return k == 0 ? npair(node::nil, n) : npair(n, node::nil);
        if (k < n->ch[L]->size) {
            npair p = split_sub(n->ch[L], k);
            n->ch[L] = p.second;
            return npair(p.first, update(n));
        }
        if (k == n->ch[L]->size) return npair(n->ch[L], n->ch[R]);
        npair p = split_sub(n->ch[R], k - n->ch[L]->size);
        n->ch[R] = p.first;
        return npair(update(n), p.second);
    }

    np insert(np n, int k, const key_t &x) {
        return n == node::nil ? new node(x) : insert_sub(n, k, x);
    }

    np insert_sub(np n, int k, const key_t &x) {
        if (n->is_leaf()) {
            return update(k == 0 ?
                new node(new node(x), n, 2, INF) :
                new node(n, new node(x), 2, INF));
        } else {
            if (k < n->ch[L]->size) n->ch[L] = insert_sub(n->ch[L], k, x);
            else n->ch[R] = insert_sub(n->ch[R], k - n->ch[L]->size, x);
            n = update(n);
            int sl = n->ch[L]->size, sr = n->ch[R]->size;
            int rand = xor128() % (sl + sr + 1);
            return 
                (rand < sl && sl != 1) ? rotate<R>(n) :
                (rand > sl && sr != 1) ? rotate<L>(n) : n;
        }
    }

    np erase(np n, int k) {
        return n->is_leaf() ? node::nil : erase_sub(n, k);
    }

    np erase_sub(np n, int k) {
        if (k == 0 && n->ch[L]->is_leaf()) {
            return n->ch[R];
        } else if (k == n->size - 1 && n->ch[R]->is_leaf()) {
            return n->ch[L];
        } else {
            if (k < n->ch[L]->size) n->ch[L] = erase_sub(n->ch[L], k);
            else n->ch[R] = erase_sub(n->ch[R], k - n->ch[L]->size);
            n = update(n);
            int sl = n->ch[L]->size, sr = n->ch[R]->size;
            int rand = xor128() % (sl + sr + 1);
            return 
                (rand < sl && sl != 1) ? rotate<R>(n) : 
                (rand > sl && sr != 1) ? rotate<L>(n) : n;
        }
    }

    template<int dir>
    np rotate(np n) {
        np par = n->ch[1 - dir];
        n->ch[1 - dir] = par->ch[dir];
        par->ch[dir] = update(n);
        return update(par);
    }

    np update(np n) const {
        n->size = n->ch[L]->size + n->ch[R]->size + (n->is_leaf() ? 1 : 0);
        n->min = std::min({ n->ch[L]->min, n->ch[R]->min, (n->is_leaf() ? n->key : INF) });
        return n;
    }

    void shift(int l, int r) {
        np a, b, c, d;
        std::tie(a, b) = split(root, l);
        std::tie(b, c) = split(b, r - l);
        std::tie(c, d) = split(c, 1);
        np ac = merge(a, c);
        np bd = merge(b, d);
        root = merge(ac, bd);
    }

    void shift2(int l, int r) {
        key_t x = get(root, r);
        root = erase(root, r);
        root = insert(root, l, x);
    }

    void show_array() {
        show_array(root);
        std::cout << '\n';
    }

    void show_array(cnp n) const {
        if (n->is_leaf()) {
            std::cout << n->key << ' ';
            std::cout << std::flush;
        } else {
            show_array(n->ch[L]);
            show_array(n->ch[R]);
        }
    }
};

using namespace std;
using ll = long long;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define all(c) begin(c), end(c)

int main() {
    cin.tie(0);
    ios::sync_with_stdio(0);

    int n, q;
    cin >> n >> q;

    static int a[200010];
    for (int i = 0; i < n; i++) cin >> a[i];
    rbst t(a, a + n);

    for (int i = 0; i < q; i++) {
        int x, y, z;
        cin >> x >> y >> z;
        if (x == 0) {
            // dump(y);
            // dump(z);
            // t.show_array();
            t.shift(y, z);
            // t.show_array();
        }
        if (x == 1) {
            cout << t.range_min(y, z + 1) << '\n';
        }
        if (x == 2) {
            t.set(y, z);
        }
    }
}

Measured memory_bytes: 28972