#include int ri() { int n; scanf("%d", &n); return n; } #define MAX_NODE (1 << 22) struct AVL { struct Node { Node *l; Node *r; int64_t val; int64_t sum; int size; int height; Node *fetch() { size = 1 + l->size + r->size; height = 1 + std::max(l->height, r->height); sum = val + l->sum + r->sum; return this; } Node *rotate_l() { Node *new_root = r; r = new_root->l; new_root->l = this; return fetch(), new_root->fetch(); } Node *rotate_r() { Node *new_root = l; l = new_root->r; new_root->r = this; return fetch(), new_root->fetch(); } int height_diff() { return l->height - r->height; } Node *balance() { int dif = height_diff(); if (dif == 2) { if (l->height_diff() < 0) l = l->rotate_l(); return rotate_r(); } else if (dif == -2) { if (r->height_diff() > 0) r = r->rotate_r(); return rotate_l(); } else return fetch(); } }; static Node *nodes, *NONE, *removed_tmp; static int head; Node *root = NONE; AVL() { if (!head) nodes[head++] = {NONE, NONE, 0, 0, 0, 0}; } private : static Node *insert(Node *node, int64_t val) { if (node == NONE) return &(nodes[head++] = {NONE, NONE, val, val, 1, 1}); if (val <= node->val) node->l = insert(node->l, val); else node->r = insert(node->r, val); return node->balance(); } static Node *remove_rightest(Node *node) { if (node->r != NONE) { node->r = remove_rightest(node); return node->balance(); } else return (removed_tmp = node)->l; } static Node *remove(Node *node, int64_t val) { if (val < node->val) node->l = remove(node->l, val); else if (val > node->val) node->r = remove(node->r, val); else { if (node->l == NONE) return node->r; node->l = remove_rightest(node->l); removed_tmp->l = node->l; removed_tmp->r = node->r; return removed_tmp->balance(); } return node->balance(); } static Node *construct(const int64_t *start, const int64_t *end) { int mid = (end - start) >> 1; Node *l = mid ? construct(start, start + mid) : NONE; Node *r = start + mid + 1 < end ? construct(start + mid + 1, end) : NONE; return (nodes[head++] = {l, r, start[mid], start[mid], 1, 1}).fetch(); } public : void insert(int64_t val) { root = insert(root, val); } void remove(int64_t val) { root = remove(root, val); } int64_t operator [] (int i) { for (Node *cur = root; ; ) { int lsize = cur->l->size; if (i < lsize) cur = cur->l; else if (i > lsize) cur = cur->r, i -= lsize + 1; else return cur->val; } } void build(const int64_t *start, const int64_t *end) { std::vector a(start, end); std::sort(a.begin(), a.end()); root = construct(&a[0], &a[0] + a.size()); } int size() { return root->size; } int lower_count(int64_t n) { int res = 0; for (Node *cur = root; cur != NONE; ) { if (n < cur->val) cur = cur->l; else res += cur->l->size + 1, cur = cur->r; } return res; } int64_t sum() { return root->sum; } int64_t sum(int64_t upper) { int64_t res = 0; for (Node *cur = root; cur != NONE; ) { if (upper < cur->val) cur = cur->l; else res += cur->l->sum + cur->val, cur = cur->r; } return res; } }; AVL::Node *AVL::nodes = (Node *) malloc(sizeof(Node) * MAX_NODE), *AVL::NONE = nodes, *AVL::removed_tmp; int AVL::head = 0; unsigned int msb(unsigned int n) { n = n | n >> 1; n = n | n >> 2; n = n | n >> 4; n = n | n >> 8; n = n | n >> 16; return n ^ n >> 1; } struct SegTree { int n; std::vector data; std::vector a; SegTree (const std::vector &a) { this->a = a; for (n = 1; n < (int) a.size(); n <<= 1); data.resize(n << 1); for (int i = 0; i < (int) a.size(); i++) data[i + n].insert(a[i]); for (int i = 2 * n - 1; i; i--) { int heighest = (31 - __builtin_clz(i)); int one = n >> heighest; int start = one * (i ^ 1 << heighest); int end = std::min(a.size(), start + one); if (end > start) data[i].build(&a[start], &a[0] + end); } } int64_t calc(int l, int r) { std::vector trees; for (l += n, r += n; l < r; l >>= 1, r >>= 1) { if (r & 1) trees.push_back(&data[--r]); if (l & 1) trees.push_back(&data[l++]); } int all = 0; for (auto i : trees) all += i->size(); int64_t ll = -1, rr = 1LL << 40; while (rr - ll > 1) { int64_t m = ll + ((rr - ll) >> 1); int cnt = 0; for (auto j : trees) cnt += j->lower_count(m); if (cnt <= all / 2) ll = m; else rr = m; } int64_t res = 0; for (auto i : trees) { int64_t low = i->sum(rr); int lsize = i->lower_count(rr); int64_t high = i->sum() - low; int hsize = i->size() - lsize; res += lsize * rr - low + high - hsize * rr; } return res; } void assign(int i, int64_t val) { int i_ = i; for (i += n; i; i >>= 1) { data[i].remove(a[i_]); data[i].insert(val); } a[i_] = val; } }; int main() { std::cerr << sizeof AVL::nodes << std::endl; int n = ri(); assert(n < 1 << 16); int q = ri(); std::vector a(n); for (int i = 0; i < n; i++) std::cin >> a[i]; SegTree tree(a); return 0; int64_t xored = 0; for (int i = 0; i < q; i++) { int t = ri(); if (t == 1) { int index = (ri() ^ (xored & 0xFFFF)) - 1; int64_t val; std::cin >> val; val ^= (xored & 0xFFFFFFFFFF); tree.assign(index, val); } else { int l = ri() ^ (xored & 0xFFFF); int r = ri() ^ (xored & 0xFFFF); if (r < l) std::swap(l, r); l--; int64_t res = tree.calc(l, r); xored ^= res; std::cout << res << std::endl; } } return 0; }