In this program, we are going to share a C program for different tree traversals. If you are a beginner and want to start learning the C programming, then keep your close attention in this tutorial as I am going to share a program for C program for different tree traversals.
Copy the below C program and execute it with the help of C compiler. At the end of this program, We have shared the output of this program.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | #include <stdio.h> #include <stdlib.h> struct node { int data; struct node* left; struct node* right; }; struct node* newNode(int data) { struct node* node = (struct node*) malloc(sizeof(struct node)); node->data = data; node->left = NULL; node->right = NULL; return(node); } void printPostorder(struct node* node) { if (node == NULL) return; printPostorder(node->left); printPostorder(node->right); printf("%d ", node->data); } void printInorder(struct node* node) { if (node == NULL) return; printInorder(node->left); printf("%d ", node->data); printInorder(node->right); } void printPreorder(struct node* node) { if (node == NULL) return; printf("%d ", node->data); printPreorder(node->left); printPreorder(node->right); } int main() { struct node *root = newNode(1); root->left = newNode(2); root->right = newNode(3); root->left->left = newNode(4); root->left->right = newNode(5); printf("\nPreorder traversal of binary tree is \n"); printPreorder(root); printf("\nInorder traversal of binary tree is \n"); printInorder(root); printf("\nPostorder traversal of binary tree is \n"); printPostorder(root); getchar(); return 0; } |
Preorder traversal of binary tree is
1 2 4 5 3
Inorder traversal of binary tree is
4 2 5 1 3
Postorder traversal of binary tree is
4 5 2 3 1
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