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Nov 12th, 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 short
  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 = 2e9;
  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. bitset<10000> sub = 0;
  62. node *l, *r;
  63. node() {
  64. size = 1;
  65. }
  66. };
  67.  
  68. typedef node* pnode;
  69. typedef pair<pnode, pnode> Pair;
  70.  
  71. vector<node> a(MAXN);
  72. //int ind = 0;
  73.  
  74. pnode root = nullptr;
  75.  
  76. void update(pnode a) {
  77. a->size = 1;
  78. a->sub = 0;
  79. a->sub[a->val - 1] = 1;
  80. if (a->l) {
  81. a->sub |= a->l->sub;
  82. a->size += a->l->size;
  83. }
  84. if (a->r) {
  85. a->sub |= a->r->sub;
  86. a->size += a->r->size;
  87. }
  88. }
  89.  
  90. int gs(pnode a) {
  91. if (a) return a->size;
  92. return 0;
  93. }
  94.  
  95. pnode merge(pnode a, pnode b) {
  96. if (!a) return b;
  97. if (!b) return a;
  98. if (a->y > b->y) {
  99. a->r = merge(a->r, b);
  100. update(a);
  101. return a;
  102. } else {
  103. b->l = merge(a, b->l);
  104. update(b);
  105. return b;
  106. }
  107. }
  108.  
  109. void split(pnode a, int k, pnode &l, pnode &r) {
  110. if (!a) {
  111. l = r = nullptr;
  112. return;
  113. }
  114. if (gs(a->l) >= k) {
  115. split(a->l, k, l, r);
  116. a->l = r;
  117. update(a);
  118. r = a;
  119. } else {
  120. split(a->r, k - gs(a->l) - 1, l, r);
  121. a->r = l;
  122. update(a);
  123. l = a;
  124. }
  125. }
  126.  
  127. void swap(int l1, int r1, int l2, int r2) {
  128. Pair p1, p2, p3, p4;
  129. split(root, r2, p4.first, p4.second);
  130. split(p4.first, l2 - 1, p3.first, p3.second);
  131. split(p3.first, r1, p2.first, p2.second);
  132. split(p2.first, l1 - 1, p1.first, p1.second);
  133. root = merge(merge(p1.first, p3.second), merge(p2.second, merge(p1.second, p4.second)));
  134. }
  135.  
  136. int x;
  137.  
  138. int gt(pnode a, int k) {
  139. if (a->val == x) return k + gs(a->l);
  140. if (a->l && a->l->sub[x - 1]) return gt(a->l, k);
  141. if (a->r && a->r->sub[x - 1]) return gt(a->r, k + gs(a->l) + 1);
  142. }
  143.  
  144. int leftt;
  145.  
  146. void print(pnode a) {
  147. if (!a) return;
  148. print(a->l);
  149. cout << a->val << " ";
  150. --leftt;
  151. print(a->r);
  152. }
  153.  
  154. void ans() {
  155. int k = gt(root, 0);
  156. Pair p1, p2;
  157. split(root, k + 4, p2.first, p2.second);
  158. split(p2.first, k + 1, p1.first, p1.second);
  159. leftt = 3;
  160. print(p1.second);
  161. for (int i = 0; i < leftt; i++) {
  162. cout << "-1 ";
  163. }
  164. cout << "\n";
  165. root = merge(merge(p1.first, p1.second), p2.second);
  166. }
  167.  
  168. signed main() {
  169. ios_base::sync_with_stdio(0);
  170. cin.tie(0);
  171. cout.tie(0);
  172. int n;
  173. long m;
  174. cin >> n >> m;
  175. pnode q;
  176. int x1;
  177. for (int i = 0; i < n; i++) {
  178. cin >> x1;
  179. q = &a[x1 - 1];
  180. q->sub[x1 - 1] = 1;
  181. q->val = x1;
  182. root = merge(root, q);
  183. }
  184. int l1, r1, l2, r2, t;
  185. for (long i = 0; i < m; i++) {
  186. cin >> t;
  187. if (t == 2) {
  188. cin >> x;
  189. ans();
  190. } else {
  191. cin >> l1 >> r1 >> l2 >> r2;
  192. swap(l1, r1, l2, r2);
  193. }
  194. }
  195. }
  196. /*
  197.  
  198. */
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