Implement treeSize() and update clearTree()

2025-12-07 19:08:02 +01:00
parent 7652d3ea7d
commit 06168693b7
1 changed files with 6 additions and 3 deletions
@@ -78,8 +78,8 @@ void clearTree(TreeNode *root)
        return;
    }
    
-    clearTree(root->right);
    clearTree(root->left);
+    clearTree(root->right);

    free(root->data);
    free(root);
@@ -89,5 +89,8 @@ void clearTree(TreeNode *root)
 // Returns the number of entries in the tree given by root.
 unsigned int treeSize(const TreeNode *root)
 {
-
+    if(root == NULL){
+        return 0;
+    }
+    return 1 + treeSize(root->left) + treeSize(root->right);
 }