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you want to get the output in preorder so you can use this code [code]#include<stdio.h> #include<iostream.h> #include<conio.h> #define max 20 class tree; class node { int data; node *left,*right; friend class tree; }; class tree { node *root; public: void rcreate(int item) { rrcreate(root,item); } void rrcreate(class node*,int item); void …
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