hemahariharansamson
STREAK
113/1477
days
Longest streak/Global longest streak
Language Used
C++, Python, Java
Coding Score
1729
Problem Solved
455
Contest Rating
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Campus Mantri
syedadnan9593 points
Contributor
93 points
Contributor
1 Point
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100 Point
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1k Point
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BASIC (1)
EASY (121)
MEDIUM (272)
HARD (61)
- Remove duplicates from an unsorted linked list
- Right View of Binary Tree
- K distance from root
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Delete Middle of Linked List
- Decimal Equivalent of Binary Linked List
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- BFS of graph
- Nodes without a Sibling
- Lowest Common Ancestor in a BST
- Unique rows in boolean matrix
- Remove every k'th node
- Leaves at Same Level or Not
- Minimum distance in an Array
- Three way partitioning
- Inorder Successor in BST
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Count Pairs whose sum is equal to X
- Median of BST
- Queue Reversal
- Reverse first K of a Queue
- Closest Neighbour in BST
- Brothers From Different Roots
- Delete Mid of a Stack
- Swap the array elements
- Xoring and Clearing
- Frequency in Queue
- Frequency Game
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Array Leaders
- Transpose of Matrix
- Winner of an election
- Panagram Checking
- Reach a given score
- Count ways to N'th Stair
- Count the elements
- Adding Ones
- String Duplicates Removal
- Chocolate Distribution Problem
- Reversing the equation
- Does array represent Heap
- Convert an array to reduced form
- Find missing in second array
- Play With OR
- At Least K Occurrences
- Balanced string
- Is Binary Number Multiple of 3
- Divisibility by 8
- Number of 1 Bits
- Reverse Bits
- Max Sum Subarray of size K
- Copy Set Bits in Range
- Maximum Sum Problem
- Party of Couples
- Sum 1 to n Divisors
- Reach the Nth point
- Minimum number of Coins
- Break a number
- Recamans sequence
- Form a number divisible by 3 using array digits
- Least Prime Factor
- Sum of First N Natural Numbers
- Recursive sequence
- Maximum Diamonds
- Arithmetic Number
- Row with Minimum 1s
- Trace Path
- Inorder Traversal and BST
- Primes sum
- Check if it is possible to convert one string into another with given constraints
- Count the Substrings
- Smallest window containing 0, 1 and 2
- Insert an Element at the Bottom of a Stack
- Fibonacci series up to Nth term
- 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
- Make Palindrome
- Binary Modulo
- Total Cuts
- Bit Magic
- Array Operations
- Dominant Pairs
- Total Traversal Time
- Ticket Counter
- Unique Number of Occurrences
- Unleashing the Array's Potential
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Merge 2 sorted linked list in reverse order
- Insert in Sorted Circular Linked List
- Quick Sort
- Delete without head pointer
- Heap Sort
- Absolute List Sorting
- Two Stacks in an Array
- Topological sort
- Find kth element of spiral matrix
- Additive sequence
- Multiply two strings
- Implement Atoi
- Print matrix in diagonal pattern
- Closest in BST
- BST with Dead End
- Find triplets with zero sum
- Duplicate Subtree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Level order traversal
- Peak element
- Union of Two Linked Lists
- Euler Circuit in an Undirected Graph
- Euler circuit and Path
- Binary Tree to CDLL
- Linked List that is Sorted Alternatingly
- Arrange Consonants and Vowels
- Count the nodes at distance K from leaf
- Vertical sum
- Predecessor and Successor
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Normal BST to Balanced BST
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- ZigZag Tree Traversal
- Gray to Binary Conversion
- Smallest Positive Missing
- Power Of Numbers
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Index
- Two Repeated Elements
- Union of 2 Sorted Arrays
- Merge Without Extra Space
- Level of Nodes
- Determinant of a Matrix
- Distance of nearest cell having 1
- Subarray with 0 sum
- Case-specific Sorting of Strings
- Fractional Knapsack
- Black and White
- Optimal Strategy For A Game
- Sum of all substrings of a number
- Longest Common Subsequence
- Zero Sum Subarrays
- Implement Trie
- Nth Catalan Number
- Container With Most Water
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- Word Search
- Paths to reach origin
- Complement
- Maximum Sub Array
- Maximum Index
- Number of subarrays with maximum values in given range
- Flip Bits
- Top k numbers in a stream
- Consecutive 1's not allowed
- Painting the Fence
- Count pairs Sum in matrices
- Sum of bit differences
- Count Full Binary Trees
- Form the Largest Number
- Alternate Vowel and Consonant String
- Add Binary Strings
- Longest subarray with sum divisible by K
- Check if a string is repetition of its substring of k-length
- Check if frequencies can be equal
- Cutting Binary String
- Max Sum without Adjacents
- Find the N-th character
- k largest elements
- Sum of XOR of all pairs
- Longest Palindrome in a String
- Arranging the array
- Rod Cutting
- LCS of three strings
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- Build the smallest
- Minimize the Heights II
- Transform to prime
- A difference of values and indexes
- Print N-bit binary numbers having more 1s than 0s
- Find patterns
- Permutations of a String
- CamelCase Pattern Matching
- Sum of Products
- Subarrays Product Less than K
- Unique Number II
- Game of XOR
- 3 Divisors
- Modified Game of Nim
- Maximize dot product
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Sequence of Sequence
- Santa Banta
- Gold Mine Problem
- Shreyansh and his bits
- Power Set
- Knapsack with Duplicate Items
- nCr
- Longest Bitonic subsequence
- Count possible ways to construct buildings
- Count digit groupings of a number
- Array Pair Sum Divisibility Problem
- Fill up buckets
- Matchsticks game
- Akku and Binary Numbers
- Number of paths
- Number of paths in a matrix with k coins
- Jumping Numbers
- A Game of LCM
- Game with String
- Count even length
- Grouping Of Numbers
- Smith Number
- Missing number in matrix
- Maximum sum of hour glass
- How Many X's?
- Exit Point in a Matrix
- Longest Repeating Subsequence
- Total Decoding Messages
- Stream First Non-repeating
- Maximum Sub-String after at most K changes
- 2D Hopscotch
- Longest Perfect Piece
- Transitive closure of a Graph
- Two odd Occuring
- Rohan's Love for Matrix
- Express as sum of power of natural numbers
- Traverse All Edges And Vertices
- Floyd Warshall
- Techfest and the Queue
- Largest subsquare surrounded by X
- Shortest Source to Destination Path
- Base Equivalence
- Prefix match with other strings
- Find duplicate rows in a binary matrix
- Single valued subtree
- Paths from root with a specified sum
- Shortest Prime Path
- Sort for Singly Linked List
- Anti Diagonal Traversal of Matrix
- Unique Number III
- All Unique Permutations of an array
- Course Schedule
- Clone an Undirected Graph
- Remove and Reverse
- Find k-th smallest element in given n ranges
- Even Swap
- Reverse a Stack
- Maximum Meetings in One Room
- Max Equal sum of 3 Stacks
- Buy Maximum Stocks
- Find shortest safe route in a matrix
- Largest subtree sum in a tree
- Wine Buying and Selling
- Graph is Tree or Not
- Construct Binary Tree from String with bracket representation
- Eventual Safe States
- City With the Smallest Number of Neighbors at a Threshold Distance
- Alex Travelling
- Shortest path in Directed Acyclic Graph
- Asteroid Collision
- Aggressive Cows
- Task Scheduler
- Hands of Straights
- Minimum Absolute Difference In BST
- Lemonade Change
- 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 Houses
- 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
- Water the plants
- Geeks Island
- Apple Sequences
- Connect Nodes at Same Level
- Unique Paths in a Grid
- Valid Compressed String
- Fill the Matrix
- 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
- Powerful Integer
- 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
- Maximum Score of Array
- New Year Resolution
- Grinding Geek
- Flatten BST to sorted list
- Minimize the Difference
- Pairs violating the BST property
- Kth common ancestor in BST
- Linked List Group Reverse
- Reorder List
- Min distance between two given nodes of a Binary Tree
- Serialize and deserialize a binary tree
- Subtraction in Linked List
- Distinct occurrences
- Merge Sort on Doubly Linked List
- Nodes at given distance in binary tree
- String Permutations
- Solve the Sudoku
- Count Pairs in an Array
- Search Pattern
- Wildcard string matching
- Longest repeating and non-overlapping substring
- Sum-string
- Minimum Points To Reach Destination
- Palindromic Partitioning
- Next Happy Number
- Strictly Increasing Array
- Generalised Fibonacci numbers
- Boolean Parenthesization
- Possible Paths in a Tree
- Brackets in Matrix Chain Multiplication
- Search Pattern (Rabin-Karp Algorithm)
- Find all Critical Connections in the Graph
- Distribute candies in a binary tree
- Split Array Largest Sum
- Find number of closed islands
- Scrambled String
- Shortest Path by Removing K walls
- Maximum Number of Toys
- Articulation Point - I
- Stock Buy and Sell – Max 2 Transactions Allowed
- Largest rectangular sub-matrix whose sum is 0
- Vertex Cover
- Expression Add Operators
- MaxSkill
- Candy
- 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
- Count Binary Strings With No Consecutive 1s
- 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
- Geekina Hate 1s
- Geek's Journey
- Making A Large Island
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