C Program For PreOrder Traversal Of A Binary Tree

 

C PROGRAM FOR PREORDER TRAVERSAL OF A BINARY TREE

CODE

#include<stdio.h>

#include<stdlib.h>

struct Node

{

int data;

struct Node *left;

struct Node *right;

};

struct Node* create(int data)

{

struct Node *n=(struct Node*)malloc(sizeof(struct Node));

n->data=data;

n->left=NULL;

n->right=NULL;

return n;

}

void preorder(struct Node *p)

{

if(p!=NULL)

{

printf("%d ",p->data);

preorder(p->left);

preorder(p->right);

}

}

int main()

{

struct Node *p=create(2);

struct Node *p1=create(5);

struct Node *p2=create(6);

struct Node *p3=create(7);

struct Node *p4=create(8);

struct Node *p5=create(9);

struct Node *p6=create(0);

p->left=p1;

p->right=p2;

p2->right=p6;

p1->left=p3;

p3->left=p4;

p3->right=p5;

printf("The preorder traversal is : ");

preorder(p);

return 0;

}

OUTPUT