diff --git a/Inorder_traversal.c b/Inorder_traversal.c new file mode 100644 index 0000000..432aa6e --- /dev/null +++ b/Inorder_traversal.c @@ -0,0 +1,58 @@ +// C program for different tree traversals +#include +#include + +/* A binary tree node has data, pointer to left child +and a pointer to right child */ +struct node { + int data; + struct node* left; + struct node* right; +}; + +/* Helper function that allocates a new node with the +given data and NULL left and right pointers. */ +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); +} + +/* Given a binary tree, print its nodes in inorder*/ +void printInorder(struct node* node) +{ + if (node == NULL) + return; + + /* first recur on left child */ + printInorder(node->left); + + /* then print the data of node */ + printf("%d ", node->data); + + /* now recur on right child */ + printInorder(node->right); +} + + +/* Driver code*/ +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); + + // Function call + printf("\nInorder traversal of binary tree is \n"); + printInorder(root); + + getchar(); + return 0; +}