- Count Leaves in Binary Tree
- Finding middle element in a linked list
- Circular Linked List
- Postorder Traversal
- Implement Stack using Linked List
- Square root
- Third largest element
- Preorder Traversal
- Minimum element in BST
- Product of array elements
- Search an Element in an array
- Majority Element
- Missing number in array
- Generate Binary Numbers

Name

vineet jain

Rank in Institute

#32

Courses Attended

Other Profile Link

Overall Coding Score: 788

Monthly Coding Score: 0

Weekly Coding Score: 0

- Reverse a linked list
- Delete N nodes after M nodes of a linked list
- Pairwise swap elements of a linked list
- Given a linked list of 0s, 1s and 2s, sort it.
- Add two numbers represented by linked lists
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Sorted insert for circular linked list
- Quick Sort
- K distance from root
- Mirror Tree
- Maximum Width of Tree
- Diameter of Binary Tree
- Delete Middle of Linked List
- Merge two sorted linked lists
- Transform to Sum Tree
- Intersection of two sorted Linked lists
- Queue using two Stacks
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Root to leaf path sum
- Lowest Common Ancestor in a BST
- Level order traversal Line by Line
- Print BST elements in given range
- Check if Linked List is Palindrome
- Level order traversal
- Peak element
- Delete nodes greater than k
- Merge Sort for Linked List
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Maximum path sum
- Construct Tree from Inorder & Preorder
- Check if Tree is Isomorphic
- Sum of Leaf Nodes at Min Level
- Find the Frequency
- Sort an array of 0s, 1s and 2s
- Maximum sum increasing subsequence
- Maximum Difference
- Subarray with given sum
- Leaders in an array
- Count number of hops
- Element appearing once
- Equilibrium point
- Maximum no of 1's row
- Common elements
- Count all possible paths from top left to bottom right

- Reverse a Linked List in groups of given size.
- Count BST nodes that lie in a given range
- Check for BST
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection Point in Y Shapped Linked Lists
- Add all greater values to every node in a BST
- Connect Nodes at Same Level
- Flattening a Linked List
- Diagonal Traversal of Binary Tree
- Boundary Traversal of binary tree
- Detect cycle in a directed graph
- Maximum difference between node and its ancestor
- The Celebrity Problem
- Vertical Traversal of Binary Tree
- Merge K sorted linked lists
- Find the number of islands
- Get minimum element from stack
- Circular tour
- Make Binary Tree From Linked List
- Generate IP Addresses
- Check if subtree
- Extreme nodes in alternate order
- Kth element in Matrix
- Clone a Binary Tree
- Remove loop in Linked List
- Max length chain
- Largest BST
- LRU Cache
- Multiply two strings
- Find the Closest Element in BST
- Delete keys in a Linked list
- Merge two BST 's
- Merge k Sorted Arrays
- Length of longest palindrome in linked list
- Print Nodes having K leaves
- Top View of Binary Tree
- k-th smallest element in BST
- Binary Tree to CDLL
- Find a pair with given target in BST
- Occurences of 2 as a digit
- Leftmost and rightmost nodes of binary tree
- Leaves to DLL
- Count Number of SubTrees having given Sum
- Unique BST's
- Unit Area of largest region of 1's
- Count ways to N'th Stair(Order does not matter)
- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Excel Sheet | Part - 1
- Print Diagonally
- Maximum Index
- Longest Increasing Subsequence
- Parenthesis Checker
- Longest Common Subsequence
- Minimum number of jumps
- Count ways to reach the n'th stair
- Count ways to N'th Stair(Order does not matter)
- Egg Dropping Puzzle
- Edit Distance
- nCr
- Maximum Rectangular Area in a Histogram
- Consecutive 1's not allowed
- Path in Matrix
- Trapping Rain Water
- Subset Sum Problem
- Number of Coins
- Minimum Platforms
- Number following a pattern
- Find Prime numbers in a range
- Stock buy and sell
- Largest Number formed from an Array
- Longest Palindrome in a String
- Modular Exponentiation for large numbers
- Relative Sorting
- Maximum of all subarrays of size k
- Largest square formed in a matrix
- Boolean Matrix Problem
- Sorting Elements of an Array by Frequency
- Design a tiny URL or URL shortener
- Nuts and Bolts Problem
- Rotate a 2D array without using extra space
- Number of ways
- Minimum Cost of ropes
- Sum of Query II
- Inversion of array
- Longest consecutive subsequence
- Handshakes
- Tic-Tac-Toe
- Number to words
- Palindromic Array
- Betting game
- Is Binary Number Multiple of 3
- Next larger element
- X Total Shapes
- Total Decoding Messages
- Unique BST's
- Combination Sum
- Combination Sum - Part 2
- Word Break
- Kth smallest element
- Longest Common Substring
- Rotate and delete
- Recursively remove all adjacent duplicates
- Number of Palindromic paths in a Matrix
- Trie | (Insert and Search)
- Find all four sum numbers
- Distance of nearest cell having 1
- Is Sudoku Valid
- Find whether path exist
- Unit Area of largest region of 1's
- Rearrange characters
- Express as sum of power of natural numbers
- First non-repeating character in a stream
- Count subsequences of type a^i b^j c^k
- K
^{th}largest element in a stream - Infix to Postfix
- Smallest Positive missing number
- Longest Common Prefix in an Array
- Row with minimum number of 1's
- Brackets in Matrix Chain Multiplication
- Matrix Chain Multiplication
- Maximum Tip Calculator
- String Conversion
- Save Gotham!
- Buying Vegetables

- QuickSort on Doubly Linked List
- Reorder List
- Binary Tree to DLL
- AVL Tree Insertion
- AVL Tree Deletion
- Fixing Two nodes of a BST
- Solve the Sudoku
- Minimum sum partition
- Merge Without Extra Space
- Find sum of different corresponding bits for all pairs
- Return two prime numbers
- Ugly Numbers
- Largest rectangle of 1’s with swapping of columns allowed
- Path of greater than equal to k length
- Longest valid Parentheses
- Word Break - Part 2
- Minimum Cost Path
- Solve the Sudoku
- Find median in a stream
- Travelling Salesman Problem
- Distinct palindromic substrings