基礎練習 樹的建立及遍歷（遞迴 佇列的應用）

3.完整編碼

4. 後續計畫

參考資訊

二叉搜尋樹、樹的遍歷、遞迴和佇列的基礎知識

結構化陣列

typedef int elementtype;

//通過typedef增加靈活性，樹節點的元素型別若改變，修改typedef語句即可
typedef struct binarysearchtree *ptrbst;
struct binarysearchtree
;

ptrbst addnode

(ptrbst tree,elementtype value)
else
return tree;
}

ptrbst createbst

(ptrbst tree,int nodenumber)
return tree;
}

void

preorder
(ptrbst tree)
//root left right

void

inorder
(ptrbst tree)
//left root right

void

postorder
(ptrbst tree)
//left right root

void

levelorder
(ptrbst tree)
return
;}

#include 

#include 
#include 
using namespace std;
typedef int elementtype;
typedef struct binarysearchtree *ptrbst;
struct binarysearchtree
;ptrbst createbst
(ptrbst tree,int nodenumber)
;ptrbst addnode
(ptrbst tree,elementtype value)
;void
preorder
(ptrbst tree)
;void
inorder
(ptrbst tree)
;void
postorder
(ptrbst tree)
;void
levelorder
(ptrbst tree)
;int main()
return0;
}void
levelorder
(ptrbst tree)
return;}
void
postorder
(ptrbst tree)
//left right root
void
inorder
(ptrbst tree)
//left root right
void
preorder
(ptrbst tree)
//root left right
ptrbst addnode
(ptrbst tree,elementtype value)
else
return tree;
}ptrbst createbst
(ptrbst tree,int nodenumber)
return tree;
}

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