Left-leaning heap C + + implementation

1#include <iostream>2#include <vector>3#include <queue>4 using namespacestd;5Template <typename t>6 classLeftlistnode7 {8  Public:9 T key;Ten     intNPL; Oneleftlistnode*Left ; Aleftlistnode*Right ; -  -Leftlistnode (t& value, leftlistnode* l = null, leftlistnode* r = null,intn =0): the key (value), left (L), right (R), NPL (n) {} - }; -  -Template <typename t> + classleftlistheap{ - Private: +leftlistnode<t>*Mroot; A  Public: at leftlistheap () {} -Leftlistheap (vector<t>&items) { -Mroot =buildheap (items); -     } -~leftlistheap () { - destory (mroot); in     } -     voidMerge (leftlistheap<t>*Other ) { to         if( This==Other ) +             return; -Mroot = _merge (Mroot, other->mroot); the     } *     voidInsert (t&key) { $Mroot = _merge (Mroot,NewLeftlistnode<t>(key));Panax Notoginseng     } -     voidRemove () { theleftlistnode<t> old =Mroot; +Mroot = _merge (Mroot->left, mroot->Right ); A delete old; the     } + T get_min () { -         returnMroot->key; $     } $      -     voidDestory (leftlistnode<t>* &mroot) { -         if(Mroot = =NULL) the             return; -         if(Mroot->left! =NULL)WuyiDestory (mroot->Left ); the         if(Mroot->right! =NULL) -Destory (mroot->Right ); Wu Delete mroot; -     } About      $ Private: -leftlistnode<t>* _merge1 (leftlistnode<t>* x, leftlistnode<t>*y) { -         if(x = =NULL) -             returny; A         if(Y = =NULL) +             returnx; the         if(X->key < y->key) - _merge2 (x, y); $         Else the _merge2 (y, x); the     } theleftlistnode<t>* _merge2 (leftlistnode<t>* x, leftlistnode<t>*y) { the         if(X->left = =NULL) -X->left =y; in         Else{ theX->right = _merge1 (x->Right , y); the             if(X-&GT;LEFT-&GT;NPL < x->right->NPL) { Aboutleftlistnode<t>* temp = x->Left ; theX->left = x->Right ; theX->right =temp; the             } +X-&GT;NPL = X-&GT;RIGHT-&GT;NPL +1; -         } the         returnx;Bayi     } the  theleftlistnode<t>* _merge (leftlistnode<t>* x, leftlistnode<t>*y) { -         if(x = = NULL && y = =NULL) -             returnNULL; the         Else if(x = = NULL && Y! =NULL) the             returny; the         Else if(y = = NULL && x! =NULL) the             returnx; -         Else{ the             if(X->key > y->key) { theleftlistnode<t>* tmp =x; thex =y;94y =tmp; the             } the             if(X->left = =NULL) theX->left =y;98             Else{ AboutX->right = _merge (x->Right , y); -                 if(X-&GT;LEFT-&GT;NPL < x->right->NPL) {101leftlistnode<t>* tmp = x->Left ;102X->left = x->Right ;103X->right =tmp;104                 } theX-&GT;NPL = X-&GT;RIGHT-&GT;NPL +1;106             }107         }108         returnx;109     } theleftlistnode<t>* Buildheap (vector<t>&items) {111Queue<leftlistnode<t>*>Tmp_queue; the          for(inti =0; I < items.size (); ++i)113Tmp_queue.push (NewLeftlistnode<t>(Items[i])); the          while(Tmp_queue.size () >1){ theleftlistnode<t>* T1 =Tmp_queue.front (); the Tmp_queue.pop ();117leftlistnode<t>* t2 =Tmp_queue.front ();118 Tmp_queue.pop ();119 Tmp_queue.push (_merge1 (t1, T2)); -         }121         returnTmp_queue.front ();122     }123 124 }; the 126 intMain () {127     inta[]= { -, +, -, -, $, -, A, -}; -vector<int> lt (A, A +7);129leftlistheap<int>YJ (LT); thecout << yj.get_min () <<Endl;131     return 0; the}

Left-leaning heap C + + implementation