- Postorder Traversal
- Height of Binary Tree
- Delete Alternate Nodes
- Identical Linked Lists
- Preorder Traversal
- Sum of Binary Tree
- Count Non-Leaf Nodes in Tree
- Stack designer
- Count Leaves in Binary Tree
- Inorder Traversal
- Size of Binary Tree
- Queue Designer
- Check if a string is Isogram or not
- Permutations of a given string
- Check if string is rotated by two places
- Set Bits
- Does array represent Heap
- Thief trying to escape
- Power of 2
- LCM And GCD
- Prime Number
- Factorial
- Sum of f(a[i], a[j]) over all pairs in an array of n integers

Name

Patrick Yu

Institute

Supermicro

Overall Coding Score: 195

Monthly Coding Score: 12

Weekly Coding Score: 0

- Union of Two Linked Lists
- Level order traversal
- Kth largest element in BST
- Lowest Common Ancestor in a BST
- Check if Linked List is Palindrome
- Is Binary Tree Heap
- Print BST elements in given range
- Level order traversal Line by Line
- Print all nodes that don't have sibling
- Intersection of Two Linked Lists
- Split Singly Linked List Alternatingly
- Ancestors in Binary Tree
- Level of a Node in Binary Tree
- Root to Leaf Paths
- Maximum path sum
- Merge Lists Alternatingly
- Sum of Leaf Nodes
- Get min at pop
- Deque Implementations
- Min Heap implementation
- Heap Sort
- Pairwise swap elements of a linked list
- Given a linked list of 0s, 1s and 2s, sort it.
- Remove duplicates from an unsorted linked list
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of Tree
- Diameter of Binary Tree
- Check for Balanced Tree
- Delete N nodes after M nodes of a linked list
- Left View of Binary Tree
- Level order traversal in spiral form
- Root to leaf path sum
- Determine if Two Trees are Identical
- Insert a node in a BST
- Reverse Level Order Traversal
- Sum Tree
- Remove duplicate element from sorted Linked List
- Count pairs with given sum
- Nth catalan number
- Largest Fibonacci Subsequence
- Count all possible paths from top left to bottom right
- Love For The Twins
- Roman Number to Integer
- Anagram
- Amount of Water
- Next greater number set digits
- Non Repeating Character

- Delete without head pointer
- Bottom View of Binary Tree
- Delete keys in a Linked list
- Intersection Point in Y Shapped Linked Lists
- Top View of Binary Tree
- Delete a node from BST
- k-th smallest element in BST
- Check for BST
- Count BST nodes that lie in a given range
- Serialize and Deserialize a Binary Tree
- Connect Nodes at Same Level
- Recursively remove all adjacent duplicates
- Longest Common Substring
- Nuts and Bolts Problem
- Longest Palindrome in a String
- nCr