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nikitamehrotra99
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BASIC (4)
EASY (70)
MEDIUM (78)
HARD (14)
- Rotate a Linked List
- Add 1 to a Linked List Number
- Quick Sort on Linked List
- Check for BST
- Bottom View of Binary Tree
- Sum Tree
- Construct Binary Tree from Parent Array
- Max sum path in two arrays
- The Celebrity Problem
- Linked List to Binary Tree
- Validate an IP Address
- Largest BST
- Maximum Difference
- Palindrome Linked List
- Rat in a Maze
- Merge two BST 's
- Root to leaf paths sum
- Peak element
- Root to Leaf Paths
- XOR Linked List
- Insert in Sorted way in a Sorted DLL
- Find length of Loop
- Deletion in Circular Linked List
- Gray to Binary Conversion
- Rotate and delete
- Kadane's Algorithm
- Number of pairs
- Spirally traversing a matrix
- Subarray range with given sum
- Sort Elements by Decreasing Frequency
- K Sized Subarray Maximum
- Job Sequencing Problem
- 0 - 1 Knapsack Problem
- Kth Smallest
- Maximize The Cut Segments
- Rotate by 90 degree
- Sum of Middle elements of two sorted arrays
- Split the Array
- Search in Rotated Sorted Array
- Row with max 1s
- Form a palindrome
- Rotate a Matrix
- Longest Common Substring
- K-th element of two Arrays
- K closest elements
- Minimum sum
- Not a subset sum
- Minimize the Heights II
- Sum of Products
- Modular Exponentiation
- Maximum Tip Calculator
- Minimum number of deletions and insertions
- Mobile numeric keypad
- Smallest number
- K-Palindrome
- Count ways to N'th Stair(Order does not matter)
- Minimum steps to destination
- Nth Natural Number
- Longest alternating subsequence
- Rotate Each Row of Matrix K Times
- Largest square formed in a matrix
- Integral Points Inside Triangle
- Traverse All Edges And Vertices
- Array to BST
- BST to greater sum tree
- Remove all occurences of duplicates in a linked list
- Maximum product subset of an array
- Sort a k sorted doubly linked list
- Shortest Path in Undirected Graph
- Majority Element - More Than n/3
- Minimal Cost
- Combination Sum Without Repetition
- Partitions with Given Difference
- Minimum repeat to make substring
- Number of Good Components
- Flatten BST to sorted list
- Find All Triplets with Zero Sum
- Split array in three equal sum subarrays
- Frequency in a Linked List
- Linked list of strings forms a palindrome
- K distance from root
- Mirror Tree
- Height of Binary Tree
- Middle of a Linked List
- Left View of Binary Tree
- Reverse Level Order Traversal
- Root to leaf path sum
- Square Root
- Nodes without a Sibling
- Toeplitz matrix
- Remove every k'th node
- Multiply two linked lists
- Max distance between same elements
- Index of an Extra Element
- Split Linked List Alternatingly
- Delete Alternate Nodes
- Find the Sum of Last N nodes of the Linked List
- Linked List Matrix
- Remove Half Nodes
- Xoring and Clearing
- Equilibrium Point
- Roof Top
- Anagram
- Reverse Words
- Panagram Checking
- Parenthesis Checker
- N meetings in one room
- Missing in Array
- Product array puzzle
- Max Value Permutation
- Missing And Repeating
- Count the elements
- Find the closest number
- Find Pair Given Difference
- Pairs with difference k
- Swap and Maximize
- Single Number
- Alternate Positive Negative
- Remaining String
- Kth distance
- Remove Duplicates
- Nearest multiple of 10
- Reorganize The Array
- Facing the sun
- Convert array into Zig-Zag fashion
- K-Pangrams
- Modify the Array
- Longest Common Prefix of Strings
- Segregate 0s and 1s
- Total count
- Print Bracket Number
- Odd Even Problem
- Extract the Number from the String
- Divisibility by 8
- Find the Highest number
- Armstrong Numbers
- Reverse Bits
- Swap two nibbles in a byte
- Count numbers containing 4
- The Palindrome Pattern
- Compare two fractions
- Juggler Sequence
- Summed Matrix
- Coverage of all Zeros in a Binary Matrix
- Two Smallests in Every Subarray
- Split an array into two equal Sum subarrays
- Largest Pair Sum
- Two Swaps
- Binary Tree to DLL
- Clone List with Next and Random
- LRU Cache
- Alien Dictionary
- Smallest window containing all characters
- Minimum Cost Path
- Burning Tree
- Count Smaller elements
- Longest Prefix Suffix
- Sub-arrays with equal number of occurences
- Longest valid Parentheses
- N-Queen Problem
- Maximum Connected group
- Minimize Max Distance to Gas Station