二叉链表的C语言描述
基本运算的算法——建立二叉链表、先序遍历二叉树、中序遍历二叉树、后序遍历二叉树、后序遍历求二叉树深度
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#include<iostream>#include<cstdio>using
namespace std;class
Tree{private: struct
Node { char
data; Node * lchild; Node * rchild; Node() { lchild = NULL; rchild = NULL; } Node(char
a) { data = a; lchild = NULL; rchild = NULL; } }; void
creatTree(Node* &head) { char
a; cin>>a; if(a == ‘#‘) { head->lchild = head->rchild = NULL; head = NULL; } else { head->data = a; head->lchild = new
Node(); head->rchild = new
Node(); creatTree(head->lchild); creatTree(head->rchild); } } void
NLR(Node *head) { if(head) { cout<<head->data; NLR(head->lchild); NLR(head->rchild); } else
cout<<"#"; } void
LNR(Node *head) { if(head) { LNR(head->lchild); cout<<head->data; LNR(head->rchild); } else
cout<<"#"; } void
LRN(Node * head) { if(head) { LRN(head->lchild); LRN(head->rchild); cout<<head->data; } else
cout<<"#"; }public: Node * head; Node * cur; Tree() {} Tree(char
a) { Node * tem = new
Node(a); head = tem; cur = tem; } void
creatTree() { head = new
Node(); creatTree(head); } void
NLR() { if(head) NLR(head); else
cout<<"#"; } void
LNR() { if(head) LNR(head); else
cout<<"#"; } void
LRN() { if(head) { LRN(head); } else
cout<<"#"; } int
BiTreeDeep(Node * head) { num++; int
dept = 0; if(head) { int
lchilddept = BiTreeDeep(head->lchild); int
rchilddept = BiTreeDeep(head->rchild); dept = lchilddept >= rchilddept ? (lchilddept + 1) : (rchilddept + 1); } return
dept; }};int
main(){ Tree dusk; dusk.creatTree(); int
cnt = 0; dusk.NLR(); cout<<endl; dusk.LNR(); cout<<endl; dusk.LRN(); cout<<endl; cout<<dusk.BiTreeDeep(dusk.head);} |
原文：http://www.cnblogs.com/Duskcl/p/3777400.html