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Nov 14th, 2019
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  1. #include <iostream>
  2. #include <vector>
  3. #include <string>
  4. #include <iomanip>
  5. #include <queue>
  6. #include <cmath>
  7. #include <algorithm>
  8. #include <tuple>
  9. #include <iomanip>
  10. #include <stdio.h>
  11. #include <map>
  12. #include <bitset>
  13. #include <set>
  14. #include <stack>
  15. #include <queue>
  16. #include <unordered_set>
  17. #include <cassert>
  18. #include <stdlib.h>
  19. #include <time.h>
  20. #include <random>
  21.  
  22.  
  23. //#pragma GCC optimize("Ofast,no-stack-protector")
  24. //#pragma GCC target("sse,sse2,sse3,sse3,sse4");
  25. //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
  26. //#pragma GCC optimize("unroll-loops")
  27. //#pragma GCC optimize("fast-math")
  28. //#pragma GCC optimize("section-anchors")
  29. //#pragma GCC optimize("profile-values,profile-reorder-functions,tracer")
  30. //#pragma GCC optimize("vpt")
  31. //#pragma GCC optimize("rename-registers")
  32. //#pragma GCC optimize("move-loop-invariants")
  33. //#pragma GCC optimize("unswitch-loops")
  34. //#pragma GCC optimize("function-sections")
  35. //#pragma GCC optimize("data-sections")
  36. //#pragma GCC optimize("branch-target-load-optimize")
  37. //#pragma GCC optimize("branch-target-load-optimize2")
  38. //#pragma GCC optimize("btr-bb-exclusive")
  39.  
  40.  
  41. #define int long long
  42. #define ll long long
  43. #define ull unsigned long long
  44. #define all(a) a.begin(), a.end()
  45. #define pii pair<int, int>
  46. #define pb push_back
  47. #define ld long double
  48.  
  49.  
  50. using namespace std;
  51.  
  52. const int INF = 1e17;
  53. //const int mod = 2600000069;
  54. //const int p = 179;
  55. const int MAXN = 1e4 + 1;
  56.  
  57. mt19937 my_rand(1329);
  58.  
  59. struct node {
  60. int y = my_rand(), size = 0, val = 0;
  61. node *l = nullptr;
  62. node *r = nullptr;
  63. node *nxt = nullptr;
  64. node() {
  65. size = 1;
  66. }
  67. };
  68.  
  69. typedef node* pnode;
  70. typedef pair<pnode, pnode> Pair;
  71.  
  72. pnode root = nullptr;
  73. vector<node> a(MAXN);
  74. vector<pnode> p(MAXN);
  75.  
  76. int gs(pnode a) {
  77. if (a) return a->size;
  78. return 0;
  79. }
  80.  
  81. void update(pnode a) {
  82. a->size = 1 + gs(a->l) + gs(a->r);
  83. }
  84.  
  85. pnode merge(pnode a, pnode b) {
  86. if (!a) return b;
  87. if (!b) return a;
  88. if (a->y > b->y) {
  89. a->r = merge(a->r, b);
  90. update(a);
  91. return a;
  92. } else {
  93. b->l = merge(a, b->l);
  94. update(b);
  95. return b;
  96. }
  97. }
  98.  
  99. void split(pnode a, int k, pnode &l, pnode &r) {
  100. if (!a) {
  101. l = r = nullptr;
  102. return;
  103. }
  104. if (gs(a->l) >= k) {
  105. split(a->l, k, l, r);
  106. a->l = r;
  107. update(a);
  108. r = a;
  109. } else {
  110. split(a->r, k - gs(a->l) - 1, l, r);
  111. a->r = l;
  112. update(a);
  113. l = a;
  114. }
  115. }
  116.  
  117. pnode left_most(pnode a) {
  118. if (!a) return nullptr;
  119. if (a->l) return left_most(a->l);
  120. return a;
  121. }
  122.  
  123. pnode right_most(pnode a) {
  124. if (!a) return nullptr;
  125. if (a->r) return right_most(a->r);
  126. return a;
  127. }
  128.  
  129. void ch(int l1, int r1, int l2, int r2) {
  130. Pair p1, p2, p3, p4;
  131. split(root, r2, p4.first, p4.second);
  132. split(p4.first, l2 - 1, p3.first, p3.second);
  133. split(p3.first, r1, p2.first, p2.second);
  134. split(p2.first, l1 - 1, p1.first, p1.second);
  135. pnode q = right_most(p1.first);
  136. if (q) q->nxt = left_most(p3.second);
  137. q = right_most(p1.second);
  138. if (q) q->nxt = left_most(p4.second);
  139. q = right_most(p3.second);
  140. if (p2.second) {
  141. q->nxt = left_most(p2.second);
  142. q = right_most(p2.second);
  143. q->nxt = left_most(p1.second);
  144. } else {
  145. q->nxt = left_most(p1.second);
  146. }
  147. root = merge(merge(p1.first, p3.second), merge(merge(p2.second, p1.second), p4.second));
  148. }
  149.  
  150. int x, first, second, third;
  151.  
  152. void ans() {
  153. pnode q = p[x - 1];
  154. first = second = third = -1;
  155. if (q->nxt) {
  156. first = q->nxt->val;
  157. if (q->nxt->nxt) {
  158. second = q->nxt->nxt->val;
  159. if (q->nxt->nxt->nxt) {
  160. third = q->nxt->nxt->nxt->val;
  161. }
  162. }
  163. }
  164. cout << first << " " << second << " " << third << "\n";
  165. }
  166.  
  167. signed main() {
  168. ios_base::sync_with_stdio(0);
  169. cin.tie(0);
  170. cout.tie(0);
  171. int n, m;
  172. cin >> n >> m;
  173. pnode q = nullptr, lst = nullptr;
  174. for (int i = 0; i < n; i++) {
  175. cin >> x;
  176. q = &a[x - 1];
  177. q->val = x;
  178. p[x - 1] = q;
  179. if (lst) lst->nxt = q;
  180. root = merge(root, q);
  181. lst = q;
  182. }
  183. int t, l1, r1, l2, r2;
  184. for (int i = 0; i < m; i++) {
  185. cin >> t;
  186. if (t == 2) {
  187. cin >> x;
  188. ans();
  189. } else {
  190. cin >> l1 >> r1 >> l2 >> r2;
  191. ch(l1, r1, l2, r2);
  192. }
  193. }
  194. }
  195. /*
  196.  
  197. */
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