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rajpootveerendrasingh36
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4 submissions in current year
SCHOOL (3)
BASIC (61)
EASY (190)
MEDIUM (263)
HARD (53)
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Detect Loop in linked list
- Quick Sort
- Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Sum Tree
- Flattening a Linked List
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Delete a node from BST
- LCA in Binary Tree
- Absolute List Sorting
- Two Stacks in an Array
- Binary Heap Operations
- The Celebrity Problem
- Topological sort
- Vertical Tree Traversal
- Merge K sorted linked lists
- Find kth element of spiral matrix
- Get Min from Stack
- Serialize and deserialize a binary tree
- Gas Station
- Kth element in Matrix
- Is Binary Tree Heap
- Validate an IP Address
- Remove loop in Linked List
- Largest BST
- Implement Atoi
- Palindrome Linked List
- Rat in a Maze Problem - I
- Closest in BST
- Merge two BST 's
- Merge k Sorted Arrays
- Root to leaf paths sum
- Find triplets with zero sum
- Sort a stack
- Duplicate Subtree
- Top View of Binary Tree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Merge Sort for Linked List
- Union of Two Linked Lists
- Euler circuit and Path
- Pair Sum in BST
- Counting elements in two arrays
- K Sum Paths
- Construct Tree from Inorder & Preorder
- Isomorphic Trees
- Maximum path sum from any node
- Predecessor and Successor
- Children Sum in a Binary Tree
- Normal BST to Balanced BST
- Construct Tree from Preorder Traversal
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- Check if two Nodes are Cousins
- ZigZag Tree Traversal
- Maximum sum of Non-adjacent nodes
- Mother Vertex
- Smallest Positive Missing
- Power Of Numbers
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Stock buy and sell
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Indexes of Subarray Sum
- Triplet Sum in Array
- Merge Without Extra Space
- Level of Nodes
- Boolean Matrix
- Spirally traversing a matrix
- Search in a sorted Matrix
- Distance of nearest cell having 1
- Subarray with 0 sum
- Longest Consecutive Subsequence
- Case-specific Sorting of Strings
- Postfix Evaluation
- Stock span problem
- K Sized Subarray Maximum
- Black and White
- Minimum Jumps
- Detect Cycle using DSU
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Lucky Numbers
- Zero Sum Subarrays
- Kth Smallest
- Nth Catalan Number
- Rotate by 90 degree
- Top K Frequent in Array
- Stock Buy and Sell – Multiple Transaction Allowed
- Word Search
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Complement
- Maximum Sub Array
- Pascal Triangle
- Maximum Index
- Flip Bits
- Pythagorean Triplet
- Painting the Fence
- Search in Rotated Sorted Array
- Alternate Vowel and Consonant String
- Add Binary Strings
- Maximum Product Subarray
- Row with max 1s
- Form a palindrome
- Cutting Binary String
- Shuffle integers
- k largest elements
- Sum of XOR of all pairs
- Longest Substring with K Uniques
- Longest Palindrome in a String
- K-th element of two Arrays
- Arranging the array
- Rod Cutting
- Minimum swaps and K together
- Longest Palindromic Subsequence
- First negative in every window of size k
- Build the smallest
- Minimize the Heights II
- First and Last Occurrences
- Minimum Deletions
- A difference of values and indexes
- Permutations of a String
- Number following a pattern
- CamelCase Pattern Matching
- Subarrays Product Less than K
- Unique Number II
- Bleak Numbers
- Largest prime factor
- 3 Divisors
- Modified Game of Nim
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Santa Banta
- Perfect Sum Problem
- Knapsack with Duplicate Items
- nCr
- Partition Equal Subset Sum
- Array Pair Sum Divisibility Problem
- Matchsticks game
- Akku and Binary Numbers
- Number of paths
- Find Prime numbers in a range
- Count even length
- Next Permutation
- Missing number in matrix
- Longest Repeating Subsequence
- Stream First Non-repeating
- Maximum Sub-String after at most K changes
- Transitive closure of a Graph
- Replace O's with X's
- Express as sum of power of natural numbers
- Shortest Source to Destination Path
- Help Classmates
- Jump Game
- Prefix match with other strings
- Single valued subtree
- BST to max heap
- Flatten binary tree to linked list
- Overlapping Intervals
- Remove and Reverse
- Even Swap
- Reverse a Stack
- K-th Largest Sum Contiguous Subarray
- Max Equal sum of 3 Stacks
- Largest subtree sum in a tree
- Wine Buying and Selling
- Minimum Multiplications to reach End
- Eventual Safe States
- Alex Travelling
- Shortest path in Directed Acyclic Graph
- Asteroid Collision
- Aggressive Cows
- Task Scheduler
- Lemonade Change
- Maximum Sum Combination
- Floor in BST
- GCD Array
- Minimize number of Students to be removed
- Maximum Value
- Shortest Prime Path
- Flattening a Linked List
- Absolute difference divisible by K
- Make array elements unique
- Next Greater Element in Circular Array
- Carpet into Box
- Minimum X (xor) A
- Find minimum number of Laptops required
- Geeks And The String
- Find the longest string
- Maximum Profit By Choosing A Subset Of Intervals
- Minimum repeat to make substring
- Paint N House
- Max Sum without Adjacents
- Intersection Point in Y Shaped Linked Lists
- BST Downward Traversal
- Length of the longest subarray with positive product
- Count number of free cell
- Maximum Bipartite Matching
- Minimum Days
- Prime List
- Walls Coloring
- Geeks Island
- Apple Sequences
- Connect Nodes at Same Level
- Unique Paths in a Grid
- Valid Compressed String
- Number of Good Components
- Optimal Array
- Best Node
- Update Queries
- Good Stones
- Maximum Intersecting Lines
- String rp or pr
- Knight in Geekland
- Shy Geek
- Count Special Numbers
- Minimum Steps Required
- Count Cyclic Paths
- Maximum Triplet product
- Second smallest number
- Special Palindrome Substrings
- Maximum Possible Value
- Distinct Difference
- Anagrams in Linked List
- Yet another query problem
- Geek hates too many 1s
- Maximum Length
- Remove the balls
- Unequal Arrays
- Job Sequencing Problem
- Bheem Wants Ladoos
- Prefix Suffix String
- Smaller Sum
- Shortest XY distance in Grid
- BST Maximum Difference
- Nearest smaller tower
- Another Coin Change Problem
- Geek's Village and Wells
- Find Number
- Max Coins
- Good Subtrees
- Subtree In N-ary Tree
- Easy Task
- Add Minimum Characters
- Maximum subset sum
- Palindrome with minimum sum
- Count Total Setbits
- Tree Transformation
- Construct a Full Binary Tree
- Modify Linked List-1
- Find Kth permutation
- Fraction pairs with sum 1
- Linked List Group Reverse
- Reorder List
- Binary Tree to DLL
- Clone List with Next and Random
- Max rectangle
- AVL Tree Insertion
- Smallest range in K lists
- AVL Tree Deletion
- Nodes at given distance in binary tree
- Max Path Sum 2 Special Nodes
- String Permutations
- Trapping Rain Water
- Histogram Max Rectangular Area
- Find median in a stream
- Solve the Sudoku
- Median of 2 Sorted Arrays of Different Sizes
- Burning Tree
- Next Smallest Palindrome
- Wildcard string matching
- Sum-string
- Edit Distance
- Palindromic Partitioning
- Next Happy Number
- Matrix Chain Multiplication
- Median in a row-wise sorted Matrix
- Longest valid Parentheses
- Split Array Largest Sum
- Find number of closed islands
- Scrambled String
- Shortest Path by Removing K walls
- Maximum Number of Toys
- Articulation Point - I
- Expression Add Operators
- Count Lucky Permutations
- Count the Substring
- Select Nodes
- Largest Sum Cycle
- Fixing Two swapped nodes of a BST
- Shortest Path Using Atmost One Curved Edge
- Avoid Explosion
- Walls Coloring II
- Redundant Parenthesis
- Partition the Array
- Divide in Incremental Groups
- Max min Height
- Maximum Number of coins
- Median of the Subarrays
- Minimum BST Sum Subtree
- Special Digits
- Cake Distribution Problem
- Min Time
- Game Of Subsets
- Making A Large Island
- Reverse a linked list
- Pairwise swap elements of a linked list
- Remove duplicates from an unsorted linked list
- Inorder Traversal
- Reverse a Doubly Linked List
- Check for BST
- Right View of Binary Tree
- K distance from root
- Two Mirror Trees
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Left View of Binary Tree
- Transform to Sum Tree
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Root to leaf path sum
- Nodes without a Sibling
- Lowest Common Ancestor in a BST
- Binary Search
- Remove Duplicates Sorted Array
- BST Keys in a Range
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- Leaves at Same Level or Not
- Delete in a Singly Linked List
- Kth largest element in BST
- Array Duplicates
- Max Level Sum in Binary Tree
- Three way partitioning
- Level order traversal
- Inorder Successor in BST
- Insert in a Sorted List
- Level of a Node in Binary Tree
- More than n/k Occurrences
- Max and min element in Binary Tree
- Perfect Binary Tree
- Symmetric Tree
- Depth of node
- Median of BST
- Leaf under budget
- Queue Reversal
- Reverse first K of a Queue
- Sum of Leaf Nodes
- Closest Neighbour in BST
- Brothers From Different Roots
- Delete Mid of a Stack
- Predict the Column
- Frequency in Queue
- Deque Implementations
- Frequency Game
- First Set Bit
- K-th Bit is Set or Not
- Power of 2
- Wave Array
- Frequencies in a Limited Array
- Array Leaders
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Matrix Boundary Traversal
- Anagram
- Winner of an election
- Strings Rotations of Each Other
- Isomorphic Strings
- Reverse Words
- Panagram Checking
- Non Repeating Character
- Parenthesis Checker
- K largest elements
- Minimum Cost of ropes
- N meetings in one room
- Count number of hops
- Union of Arrays with Duplicates
- Check Equal Arrays
- Numbers containing 1, 2 and 3
- Missing in Array
- Adding Ones
- Common in 3 Sorted Arrays
- Sum of elements between k1'th and k2'th smallest elements
- Move All Zeroes to End
- Min sum formed by digits
- Move all negative elements to end
- Chocolate Distribution Problem
- Smallest subarray with sum greater than x
- Remove Consecutive Characters
- Remove Duplicates
- Second Largest
- Rotate Bits
- Number of occurrence
- K-Pangrams
- Reversing the equation
- Does array represent Heap
- Convert an array to reduced form
- Check if array is sorted
- Find missing in second array
- Longest Common Prefix of Strings
- First Repeated Character
- Min Number of Flips
- Two sum -Pairs with 0 Sum
- Find the closest pair from two arrays
- Merge two binary Max heaps
- Four Elements
- Palindrome String
- Balanced string
- Shop in Candy Store
- Is Binary Number Multiple of 3
- Padovan Sequence
- Minimum Operations
- Number of 1 Bits
- Armstrong Numbers
- Reverse Bits
- Nth Fibonacci Number
- Copy Set Bits in Range
- Count Digits
- Palindrome
- Shortest path from 1 to n
- Count numbers containing 4
- Factorials Less than or Equal to n
- Largest number possible
- Least Prime Factor
- Sum of First N Natural Numbers
- Maximum Diamonds
- Arithmetic Number
- Make Zeroes
- Surround the 1's
- Trace Path
- Inorder Traversal and BST
- Letters Collection
- Print Pattern
- Check if it is possible to convert one string into another with given constraints
- Array to BST
- Sum of dependencies in a graph
- Count the Substrings
- Print N to 1 without loop
- Print GFG n times
- Largest odd number in string
- Maximum Nesting Depth of the Parentheses
- Outermost Parentheses
- Maximum Depth Of Binary Tree
- Minimize the sum
- Last modified ball
- Transform to Sum Tree
- Parent of Max GCD Siblings in a Binary Tree
- Find the first node of loop in linked list
- Maximum Weight Node
- Type it!
- Min operations
- Last cell in a Matrix
- Balloon Everywhere
- Reverse both parts
- Cutting Rectangles
- Frogs and Jumps
- Make Array Elements Equal
- Equal Left and Right Subarray Sum
- Make the array beautiful
- Remainder on dividing by 11
- Is it Fibonacci
- Taxi Booking
- Max Level Sum in Binary Tree
- Binary matrix having maximum number of 1s
- Number of Subarrays of 0's
- Maximum Identical Bowls
- Bus Conductor
- Wifi Range
- Minimum Number
- Minimum Integer
- Seating Arrangement
- String Mirror
- Powerfull Integer
- Make Palindrome
- Binary Modulo
- Total Cuts
- Bit Magic
- Array Operations
- Dominant Pairs
- Total Traversal Time
- Ticket Counter
- Unique Number of Occurrences
- Organic Tree
- Same characters
- Count Linked List Nodes
- Check for Binary String
- Size of Binary Tree
- Count Leaves in Binary Tree
- Postorder Traversal
- Implement stack using array
- Queue Using Array
- Preorder Traversal
- First Occurence
- Palindromic Array
- Peak element
- Minimum element in BST
- Anagram of String
- Sum of Binary Tree
- longest substring containing '1'
- Count Non-Leaf Nodes in Tree
- Alternates in an Array
- Count Odd and Even
- Print 1 To N Without Loop
- Array Search
- Binary Array Sorting
- Check if a string is Isogram or not
- Binary String
- Most Frequent Character
- Remove common characters and concatenate
- Sum of numbers in string
- Reverse a String
- First n Fibonacci
- Sum of Array
- Sum of Natural Numbers
- Value equal to index value
- Check for subsequence
- Immediate Smaller Element
- Uncommon characters
- Repeated Character
- Length of Last word
- Display longest name
- Merge two strings
- Rotate Array by One
- Array Subset
- Count of smaller elements
- First and Second Smallests
- Min and Max in Array
- Print first letter of every word in the string
- Remove character
- Red OR Green
- GCD of two numbers
- Find unique element
- Find position of set bit
- LCM And GCD
- Median of an Array
- Factorial
- Greatest of three numbers
- Prime Number
- Distance between 2 points
- Height of Heap
- Sorted matrix
- Max Min
- Pattern 7
- Pattern 8
- Naughty Geek
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