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susmit_sekhar_bhakta
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C++, Python, Java
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286 submissions in current year
SCHOOL (0)
BASIC (12)
EASY (268)
MEDIUM (465)
HARD (85)
- Reverse alternate nodes in Link List
- Reverse a Linked List in groups of given size
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Add 1 to a Linked List Number
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Delete nodes having greater value on right
- Quick Sort on Linked List
- Insert in Sorted Circular Linked List
- Merge Sort
- Quick Sort
- Construct Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Intersection Point in Y Shaped Linked Lists
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Sum Tree
- Construct Binary Tree from Parent Array
- Tree Boundary Traversal
- Directed Graph Cycle
- Undirected Graph Cycle
- Min distance between two given nodes of a Binary Tree
- Max sum path in two arrays
- The Celebrity Problem
- Topological sort
- Merge K sorted linked lists
- Find the number of islands
- Find kth element of spiral matrix
- Max sum in the configuration
- Get Min from Stack
- Serialize and deserialize a binary tree
- Gas Station
- Make Binary Tree From Linked List
- Toeplitz matrix
- Generate IP Addresses
- Kth element in Matrix
- Is Binary Tree Heap
- Validate an IP Address
- Remove loop in Linked List
- Dijkstra Algorithm
- Distinct occurrences
- Additive sequence
- Largest BST
- Sorted subsequence of size 3
- LRU Cache
- Box Stacking
- Multiply two strings
- Minimum Swaps to Sort
- Implement Atoi
- Maximum Difference
- Palindrome Linked List
- Rat in a Maze
- Find the Closest Element in BST
- BST with Dead End
- Merge two BST 's
- Trie | (Delete)
- Root to leaf paths sum
- Bridge edge in a graph
- Find triplets with zero sum
- Duplicate subtree in Binary Tree
- k-th Smallest in BST
- Peak element
- Merge Sort for Linked List
- Euler Circuit in an Undirected Graph
- Euler circuit and Path
- Merge Sort on Doubly Linked List
- Ancestors in Binary Tree
- Binary Tree to CDLL
- Pair Sum in BST
- Root to Leaf Paths
- Populate Inorder Successor for all nodes
- XOR Linked List
- Counting elements in two arrays
- Linked List that is Sorted Alternatingly
- K Sum Paths
- Leftmost and rightmost nodes of binary tree
- Construct Tree from Inorder & Preorder
- Arrange Consonants and Vowels
- Count the nodes at distance K from leaf
- Vertical sum
- Insert in Sorted way in a Sorted DLL
- Check if Tree is Isomorphic
- Maximum path sum
- Predecessor and Successor
- Check for Children Sum Property in a Binary Tree
- Diagonal sum in binary tree
- Find length of Loop
- Deletion and Reverse in Circular Linked List
- Duplicate Subtrees
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- ZigZag Tree Traversal
- Vertical Width of a Binary Tree
- Swap Kth nodes from ends
- Maximum Non-Adjacent Nodes Sum
- Mother Vertex
- Gray to Binary equivalent
- Smallest Positive Missing
- Power Of Numbers
- Maximum occured integer
- Possible Words From Phone Digits
- Rotate and delete
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Index
- Trapping Rain Water
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Two Repeated Elements
- Union of Two Sorted Arrays
- Indexes of Subarray Sum
- Count the number of possible triangles
- Sort by Absolute Difference
- Number of pairs
- Level of Nodes
- Make Matrix Beautiful
- Boolean Matrix
- Spirally traversing a matrix
- Search in a sorted Matrix
- Subarray with 0 sum
- Subarray range with given sum
- Sorting Elements of an Array by Frequency
- Longest Consecutive Subsequence
- Case-specific Sorting of Strings
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- K Sized Subarray Maximum
- Nearly sorted
- Activity Selection
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Largest number in K swaps
- Minimum Jumps
- Detect Cycle using DSU
- Stickler Thief
- Ways to Reach the n'th Stair
- Optimal Strategy For A Game
- Sum of all substrings of a number
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Lucky Numbers
- Allocate Minimum Pages
- Zero Sum Subarrays
- Find whether path exist
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Nth catalan number
- Rotten Oranges
- Maximize The Cut Segments
- Container With Most Water
- Print Anagrams Together
- Rotate by 90 degree
- Closest Three Sum
- Word Break
- Stock buy and sell II
- Word Search
- Find All Four Sum Numbers
- Paths to reach origin
- Missing And Repeating
- Pascal Triangle
- Maximum Index
- Number of subarrays with maximum values in given range
- Flip Bits
- Sum of Subarrays
- Top k numbers in a stream
- Longest Span in two Binary Arrays
- Maximize Number of 1's
- Sum of Middle elements of two sorted arrays
- Consecutive 1's not allowed
- Pythagorean Triplet
- Painting the Fence
- Search in Rotated Sorted Array
- Sum of bit differences
- Max Score from Subarray Mins
- Form the Largest Number
- Add Binary Strings
- Maximum Product Subarray
- Longest subarray with sum divisible by K
- Check if a string is repetition of its substring of k-length
- Sort the given array after applying the given equation
- Row with max 1s
- Swapping pairs make sum equal
- Check if frequencies can be equal
- Column name from a given column number
- Substrings with K Distinct
- Palindrome SubStrings
- Form a palindrome
- Nuts and Bolts Problem
- Longest Subarray with Sum K
- Cutting Binary String
- Search Pattern (KMP-Algorithm)
- Shuffle integers
- Find the N-th character
- k largest elements
- Sum of XOR of all pairs
- Find missing in second array
- Longest Common Substring
- Smallest distinct window
- Longest Substring with K Uniques
- Longest Palindrome in a String
- Look and Say Pattern
- K-th element of two Arrays
- Arranging the array
- Rod Cutting
- K closest elements
- Missing element of AP
- LCS of three strings
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- Longest Prefix Suffix
- Equalize the Towers
- Minimum sum
- Not a subset sum
- Minimize the Heights II
- Transform to prime
- First and last occurrences of x
- Minimum Deletions
- Print N-bit binary numbers having more 1s than 0s
- Nine Divisors
- Shop in Candy Store
- Permutations of a String
- Number following a pattern
- CamelCase Pattern Matching
- Sum of Products
- Count the subarrays having product less than k
- Unique Number II
- Bleak Numbers
- Modular Exponentiation for large numbers
- Edit Distance
- Game of XOR
- Largest prime factor
- Maximum Tip Calculator
- Modified Game of Nim
- Minimum number of deletions and insertions
- Maximum sum increasing subsequence
- Minimum cost to fill given weight in a bag
- Coin Change (Count Ways)
- Sequence of Sequence
- Santa Banta
- String Subsequence
- Mobile numeric keypad
- Gold Mine Problem
- Coin Change (Minimum Coins)
- Dice throw
- Perfect Sum Problem
- Smallest number
- Trail of ones
- Longest subsequence-1
- Power Set
- Count ways to N'th Stair(Order does not matter)
- Knapsack with Duplicate Items
- nCr
- Geek and its Game of Coins
- Maximum path sum in matrix
- Minimum steps to destination
- Partition Equal Subset Sum
- Count possible ways to construct buildings
- Count digit groupings of a number
- Array Pair Sum Divisibility Problem
- Matchsticks game
- Median in a row-wise sorted Matrix
- Prime Pair with Target Sum
- Number of paths
- Nth Natural Number
- Number of paths in a matrix with k coins
- LCM Triplet
- Game with String
- Smith Number
- Next Permutation
- Maximum sum of hour glass
- How Many X's?
- Power of k in factorial of n
- Longest Repeating Subsequence
- Longest alternating subsequence
- Left Rotate Matrix K times
- Decode the string
- Total Decoding Messages
- First non-repeating character in a stream
- Check If two Line segments Intersect
- Print leaf nodes from preorder traversal of BST
- Number of Rectangles in a Circle
- Largest square formed in a matrix
- Integral Points Inside Triangle
- Snake and Ladder Problem
- Transitive closure of a Graph
- Replace O's with X's
- Express as sum of power of natural numbers
- Count all Possible Path
- Find the string in grid
- Count the paths
- Floyd Warshall
- Flood fill Algorithm
- Techfest and the Queue
- Largest subsquare surrounded by X
- Shortest Source to Destination Path
- Divisibility tree
- Police and Thieves
- Subset Sum Problem
- Search Pattern (Rabin-Karp Algorithm)
- All Palindromic Partitions
- Bellman-Ford
- Subarrays with sum K
- Minimum XOR value pair
- Coin Piles
- Remove K Digits
- Substrings of length k with k-1 distinct elements
- Maximum XOR of two numbers in an array
- Construct list using given q XOR queries
- Prefix match with other strings
- Find duplicate rows in a binary matrix
- Maximum sum of elements not part of LIS
- Find rectangle with corners as 1
- Paths from root with a specified sum
- Shortest Prime Path
- Insertion Sort for Singly Linked List
- Remove all occurences of duplicates in a linked list
- Minimize the Heights I
- Anti Diagonal Traversal of Matrix
- Unique Number III
- All Unique Permutations of an array
- Course Schedule
- Clone an Undirected Graph
- Min Cost Climbing Stairs
- Overlapping Intervals
- Remove and Reverse
- Buy and Sell a Share at most twice
- Find k-th smallest element in given n ranges
- Even Swap
- Reverse a Stack
- Maximum product subset of an array
- K-th Largest Sum Contiguous Subarray
- Maximum Meetings in One Room
- Find Maximum Equal sum of Three Stacks
- Buy Maximum Stocks if i stocks can be bought on i-th day
- Exactly one swap
- Find shortest safe route in a matrix
- Minimum Cost to cut a board into squares
- Check if a given graph is tree or not
- Next element with greater frequency
- Minimum Multiplications to reach End
- Number Of Enclaves
- Eventual Safe States
- City With the Smallest Number of Neighbors at a Threshold Distance
- Path With Minimum Effort
- Shortest path in Undirected Graph
- Shortest path in Directed Acyclic Graph
- Majority Element - More Than n/3
- Koko Eating Bananas
- Longest subarray with Atmost two distinct integers
- Sum of subarray minimum
- Minimal Cost
- Aggressive Cows
- Smallest Divisor
- Combination Sum II
- Shortest Path in Weighted undirected graph
- Minimum days to make M bouquets
- Generate all binary strings
- Task Scheduler
- Hands of Straights
- Minimum Absolute Difference In BST
- Lemonade Change
- Maximum Sum Combination
- Non-overlapping Intervals
- Stickler Thief II
- Insert Interval
- Longest String Chain
- Partitions with Given Difference
- Floor in BST
- Largest Divisible Subset
- Make array elements unique
- Next Greater Element in Circular Array
- Find the longest string
- Minimum repeat to make substring
- Prime List
- Water the plants
- Unique Paths in a Grid
- Number of Good Components
- Maximum Intersecting Lines
- String rp or pr
- Knight in Geekland
- Shy Geek
- Count Special Numbers
- Minimum Steps Required
- Maximum Triplet product
- Second smallest number
- Special Palindrome Substrings
- Maximum Possible Value
- Find anagrams in linked list
- Yet another query problem
- 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
- Add Minimum Characters
- Maximum subset sum
- Palindrome with minimum sum
- Count Total Setbits
- Tree Transformation
- Construct a Full Binary Tree
- Modify Linked List-1
- Fraction pairs with sum 1
- New Year Resolution
- Grinding Geek
- Flatten BST to sorted list
- Minimize the Difference
- Pairs violating the BST property
- Kth common ancestor in BST
- Kth Missing Positive Number in a Sorted Array
- Count Subarrays with given XOR
- Set Matrix Zeros
- Minimum cost to connect all houses in a city
- Meeting Rooms
- Find All Triplets with Zero Sum
- Split array in three equal sum subarrays
- Last Moment Before All Ants Fall Out
- Search in an almost Sorted Array
- Find H-Index
- Longest Subarray with Majority Greater than K
- Count all triplets with given sum in sorted array
- Balancing Consonants and Vowels Ratio
- Implement Pow
- Subarrays With At Most K Distinct Integers
- K Closest Points to Origin
- Longest Bounded-Difference Subarray
- The Knight's tour problem
- Divisible by 13
- Lexicographically Largest String After K Deletions
- Group Balls by Sequence
- Count Unique Vowel Strings
- Count Numbers Containing Specific Digits
- ASCII Range Sum
- 2D Difference Array
- Difference Check
- Farthest Smaller Right
- Maximize median after doing k addition operation
- Maximize the minimum difference between k elements
- Search in fully rotated sorted 2D matrix
- Min Add to Make Parentheses Valid
- String stack
- Longest Subarray Length
- Design MinMax Queue
- Unique K-Number Sum
- Construct Tree from Preorder & Postorder
- Reverse a linked list
- Occurence of an integer in a Linked List
- Pairwise swap elements of a linked list
- Given a linked list of 0s, 1s and 2s, sort it.
- Linked list of strings forms a palindrome
- Remove duplicates from an unsorted linked list
- Sorted insert for circular linked list
- Delete node in Doubly Linked List
- Inorder Traversal
- Reverse a Doubly Linked List
- Check for BST
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Delete without head pointer
- Height of Binary Tree
- Check for Balanced Tree
- Middle of a Linked List
- Left View of Binary Tree
- Delete Middle of Linked List
- Decimal Equivalent of Binary Linked List
- Intersection of two sorted Linked lists
- Find Transition Point
- Remove duplicate element from sorted Linked List
- Postorder Traversal
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Insert a node in a BST
- BFS of graph
- Determine if Two Trees are Identical
- Root to leaf path sum
- Square root of a number
- Print all nodes that don't have sibling
- Lowest Common Ancestor in a BST
- Implement two stacks in an array
- Largest subarray of 0's and 1's
- Remove duplicates in array
- Binary Tree to BST
- Unique rows in boolean matrix
- Remove every kth node
- Check if all leaves are at same level
- Multiply two linked lists
- You and your books
- Max distance between same elements
- Print matrix in diagonal pattern
- Check whether BST contains Dead End
- Delete a Node in Single Linked List
- Kth largest element in BST
- Minimum distance between two numbers
- Find duplicates in an array
- Count distinct elements in every window
- Three way partitioning
- Find Common Nodes in two BSTs
- Level order traversal
- Inorder Successor in BST
- Index of an Extra Element
- Union of Two Linked Lists
- Insert in a Sorted List
- Split Linked List Alternatingly
- Sum of leaf nodes in BST
- Count More than n/k Occurences
- Symmetric Tree
- Delete Alternate Nodes
- Find the Sum of Last N nodes of the Linked List
- Count Pairs whose sum is equal to X
- Find length of Loop
- Median of BST
- Normal BST to Balanced BST
- Leaf under budget
- Linked List Matrix
- Queue Reversal
- Reverse First K elements of Queue
- Remove Half Nodes
- Closest Neighbour in BST
- Brothers From Different Roots
- Delete middle element of a stack
- Swap the array elements
- Predict the Column
- Xoring and Clearing
- Reverse an Array
- Queue Operations
- Frequency Game
- Find first set bit
- Rightmost different bit
- Check whether K-th bit is set or not
- Wave Array
- Frequencies of Limited Range Array Elements
- Equilibrium Point
- Leaders in an array
- Roof Top
- Subarray with given sum
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Rotate by 90 degree
- Determinant of a Matrix
- Boundary traversal of matrix
- Anagram
- Winner of an election
- Check if string is rotated by two places
- Strings Rotations of Each Other
- Isomorphic Strings
- Reverse Words
- Panagram Checking
- Non Repeating Character
- Parenthesis Checker
- Generate Binary Numbers
- Minimum Cost of ropes
- N meetings in one room
- Reach a given score
- Count ways to N'th Stair
- Count number of hops
- Rotate Deque By K
- Union of Arrays with Duplicates
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Top K Frequent Elements in Array - |
- Sort 0s, 1s and 2s
- Maximize Array Value After Rearrangement
- Pascal Triangle
- Count the elements
- Find the closest number
- Split the Array
- Sorted and Rotated Minimum
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- Remove all duplicates from a given string
- Chocolate Distribution Problem
- Count pairs Sum in matrices
- Find Pair Given Difference
- Pairs with difference k
- Swap and Maximize
- Bitonic Point
- Single Number
- Alternate positive and negative numbers
- Remaining String
- Kth distance
- Palindrome Sentence
- Remove Duplicates
- Nearest multiple of 10
- Reorganize The Array
- Facing the sun
- Max Sum without Adjacents
- Second Largest
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Rotate Bits
- Number of occurrence
- K-Pangrams
- Reversing the equation
- Does array represent Heap
- Modify the Array
- Sum Pair closest to target
- String's Count
- Longest Common Prefix of Strings
- Longest substring with distinct characters
- Substrings with same first and last characters
- Segregate 0s and 1s
- Play With OR
- Tywin's War Strategy
- First element to occur k times
- Find the closest pair from two arrays
- Palindrome String
- Total count
- Pair with given sum in a sorted array
- Print Bracket Number
- Odd Even Problem
- Binary representation of next number
- Largest number in one swap
- Is Binary Number Multiple of 3
- Padovan Sequence
- Extract the Number from the String
- Minimum Operations
- Check if a number is divisible by 8
- Number of 1 Bits
- Find the Highest number
- Armstrong Numbers
- Reverse Bits
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Swap two nibbles in a byte
- Copy Set Bits in Range
- Maximum Sum Problem
- Party of Couples
- Maximize dot product
- Shortest path from 1 to n
- Sum of all divisors from 1 to n
- Count numbers containing 4
- Assign Mice Holes
- Trail of ones
- K-Palindrome
- Reach the Nth point
- Perfect Numbers
- Minimum Cost To Make Two Strings Identical
- Largest number possible
- Recamans sequence
- Compare two fractions
- Form a number divisible by 3 using array digits
- Least Prime Factor
- Reverse Coding
- Recursive sequence
- Juggler Sequence
- Summed Matrix
- Maximum Diamonds
- Row with minimum number of 1's
- Surround the 1's
- Coverage of all Zeros in a Binary Matrix
- Exit Point in a Matrix
- Trace Path
- Inorder Traversal and BST
- Letters Collection
- Print Pattern
- Array to BST
- Sum of dependencies in a graph
- Find maximum volume of a cuboid
- Check if a String is Subsequence of Other
- Count the Substrings
- Smallest window containing 0, 1 and 2
- Insert an Element at the Bottom of a Stack
- Sort a k sorted doubly linked list
- Fibonacci series up to Nth term
- Stock Buy and Sell – Max one Transaction Allowed
- Maximum Depth Of Binary Tree
- Divisor Game
- Find the first node of loop in linked list
- Frogs and Jumps
- Make Array Elements Equal
- Equal Left and Right Subarray Sum
- Make the array beautiful
- Remainder on dividing by 11
- Taxi Booking
- Max Level Sum in Binary Tree
- Binary matrix having maximum number of 1s
- Number of Subarrays of 0's
- Distinct Difference
- 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
- Two Smallests in Every Subarray
- Split an array into two equal Sum subarrays
- Largest Pair Sum
- Two Swaps
- Maximize partitions in a String
- Count pairs with given sum
- Count Pairs whose sum is less than target
- Union of Two Sorted Arrays with Distinct Elements
- Intersection of Two arrays with Duplicate Elements
- Find All Triplets with Zero Sum
- Search in a row-wise sorted matrix
- Find Only Repetitive Element from 1 to n-1
- Unique Number I
- Binary Tree to DLL
- Clone List with Next and Random
- Wildcard Pattern Matching
- Max rectangle
- Subtraction in Linked List
- AVL Tree Insertion
- Alien Dictionary
- Smallest range in K lists
- AVL Tree Deletion
- Nodes at given distance in binary tree
- Fixing Two nodes of a BST
- String Permutations
- Max Circular Subarray Sum
- Merge Without Extra Space
- Smallest window containing all characters
- Histogram Max Rectangular Area
- Max of min for every window size
- Find median in a stream
- Solve the Sudoku
- Minimum Cost Path
- Burning Tree
- Next Smallest Palindrome
- Count Pairs in an Array
- Form a palindrome
- Count Smaller elements
- Number of distinct subsequences
- Wildcard string matching
- Circle of strings
- Longest repeating and non-overlapping substring
- Sum-string
- Sub-arrays with equal number of occurences
- Minimum Points To Reach Destination
- Minimum sum partition
- Palindromic Partitioning
- Next Happy Number
- Stock Buy and Sell – Max K Transactions Allowed
- Matrix Chain Multiplication
- Strictly Increasing Array
- The Palindrome Pattern
- Generalised Fibonacci numbers
- Boolean Parenthesization
- Longest valid Parentheses
- Possible Paths in a Tree
- N-Queen Problem
- Brackets in Matrix Chain Multiplication
- Rohan's Love for Matrix
- Articulation Point - II
- Maximum sum Rectangle
- Find all Critical Connections in the Graph
- Distribute Candies
- Split Array Largest Sum
- Find number of closed islands
- Find the String
- Kth Smallest Number in Multiplication Table
- Min Chars to Add for Palindrome
- Largest rectangular sub-matrix whose sum is 0
- Vertex Cover
- Maximum Connected group
- Expression Add Operators
- Minimize Max Distance to Gas Station
- Count Reverse Pairs
- Candy
- Account Merge
- Better String
- 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
- Geekina Hate 1s
- Making A Large Island
- Meeting Rooms III
- Minimum K Consecutive Bit Flips
- Minimum Weight Cycle
- Count the Coprimes
- Longest Periodic Proper Prefix
- Maximum Non-Overlapping Odd Palindrome Sum
- Maximum subarray sum 2
- Sum of Mode