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BASIC (156)
EASY (350)
MEDIUM (348)
HARD (67)
- Reverse alternate nodes in Link List
- 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
- Quick Sort on Linked List
- Insert in Sorted Circular Linked List
- Merge Sort
- Quick Sort
- Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Sum Tree
- Construct Binary Tree from Parent Array
- Delete a node from BST
- LCA in Binary Tree
- Two Stacks in an Array
- Max sum path in two arrays
- The Celebrity Problem
- Largest subarray with 0 sum
- 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
- Wildcard Pattern Matching
- Linked List to Binary Tree
- Kth element in Matrix
- Validate an IP Address
- Remove loop in Linked List
- Additive sequence
- Largest BST
- Sorted subsequence of size 3
- Multiply two strings
- Minimum Swaps to Sort
- Implement Atoi
- Maximum Difference
- Palindrome Linked List
- Print matrix in diagonal pattern
- Rat in a Maze Problem - I
- BST with Dead End
- Merge two BST 's
- Count distinct elements in every window
- k-Anagram
- Merge k Sorted Arrays
- Root to leaf paths sum
- Find triplets with zero sum
- Duplicate Subtree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Merge Sort for Linked List
- Union of Two Linked Lists
- Euler Circuit in an Undirected Graph
- Euler circuit and Path
- 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
- Isomorphic Trees
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Deletion and Reverse in Circular Linked List
- Normal BST to Balanced BST
- Duplicate Subtrees
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- ZigZag Tree Traversal
- Vertical Width of a Binary Tree
- Mother Vertex
- Ceil in BST
- Gray to Binary Conversion
- Smallest Positive Missing
- Power Of Numbers
- Maximum occured integer
- Rotate and delete
- Maximum Index
- Stock buy and sell
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Two Repeated Elements
- Unique BST's
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Count the number of possible triangles
- Triplet Sum in Array
- Number of pairs
- Merge Without Extra Space
- Level of Nodes
- Make Matrix Beautiful
- Boolean Matrix
- Spirally traversing a matrix
- Search in a sorted Matrix
- Determinant of a Matrix
- Subarray with 0 sum
- Subarray range with given sum
- Subarrays with equal 1s and 0s
- Sort Elements by Decreasing Frequency
- Longest Consecutive Subsequence
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- K Sized Subarray Maximum
- Nearly sorted
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Minimum Jumps
- Detect Cycle using DSU
- Stickler Thief
- Optimal Strategy For A Game
- Sum of all substrings of a number
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Lucky Numbers
- Sort according to an Array
- Allocate Minimum Pages
- Zero Sum Subarrays
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Nth Catalan Number
- Rotten Oranges
- Maximize The Cut Segments
- Rotate by 90 degree
- Top K Frequent in Array
- Radix Sort
- Closest Three Sum
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Paths to reach origin
- Pascal Triangle
- Maximum Index
- Number of subarrays with maximum values in given range
- Flip Bits
- Top k numbers in a stream
- Sum of Middle elements of two sorted arrays
- Pair array product sum
- Equivalent Sub-Arrays
- Single Among Doubles in a Sorted
- Consecutive 1's not allowed
- Split the Array
- Single Among Doubles
- Pythagorean Triplet
- Happiest Triplet
- Painting the Fence
- Pair Sum Closest to 0
- Search in Rotated Sorted Array
- Sum of bit differences
- Form the Largest Number
- Efficiently sorting numbers in range from 0 to n^2 - 1
- Super Primes
- 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
- Form a palindrome
- Nuts and Bolts Problem
- Longest Subarray with Sum K
- Max Sum without Adjacents
- Shuffle integers
- Find the N-th character
- k largest elements
- Sum of XOR of all pairs
- Longest Common Substring
- Longest substring with distinct characters
- Longest Substring with K Uniques
- Longest Palindrome in a String
- Look and Say Pattern
- K-th element of two Arrays
- K closest elements
- Number of pairs
- Missing element of AP
- LCS of three strings
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- First negative in every window of size k
- Maximum difference of zeros and ones in binary string
- Minimum sum
- Not a subset sum
- Minimize the Heights II
- Transform to prime
- First and Last Occurrences
- Smaller on Left
- Minimum Deletions
- Print N-bit binary numbers having more 1s than 0s
- Nine Divisors
- Number following a pattern
- Sum of Products
- Subarrays Product Less than K
- Unique Number II
- Bleak Numbers
- Modular Exponentiation
- Game of XOR
- Largest prime factor
- Maximum Tip Calculator
- Modified Game of Nim
- Minimum number of deletions and insertions
- Maximize dot product
- Max Sum Increasing Subsequence
- Minimum cost to fill given weight in a bag
- Coin Change (Count Ways)
- Sequence of Sequence
- String Subsequence
- Mobile numeric keypad
- Gold Mine Problem
- Smallest number
- Trail of ones
- K-Palindrome
- Longest subsequence-1
- Power Set
- Count ways to N'th Stair(Order does not matter)
- Minimum Cost To Make Two Strings Identical
- Knapsack with Duplicate Items
- nCr
- Geek and its Game of Coins
- Minimum steps to destination
- Partition Equal Subset Sum
- Longest Bitonic subsequence
- Count possible ways to construct buildings
- Count distinct pairs with difference k
- Count digit groupings of a number
- Array Pair Sum Divisibility Problem
- Prime Pair with Target Sum
- Count Numbers in Range
- Number of paths
- Nth Natural Number
- Number of paths in a matrix with k coins
- Game with String
- Smith Number
- Next Permutation
- Maximum sum of hour glass
- How Many X's?
- Exit Point in a Matrix
- Longest Repeating Subsequence
- Longest alternating subsequence
- Rotate Each Row of Matrix K Times
- Stream First Non-repeating
- Check If two Line segments Intersect
- Segregate even and odd nodes in a Linked List
- Number of Rectangles in a Circle
- Largest square formed in a matrix
- Integral Points Inside Triangle
- Pairs of Non Coinciding Points
- Satisfy the equation
- Transitive closure of a Graph
- Replace O's with X's
- Rohan's Love for Matrix
- Traverse All Edges And Vertices
- Find the string in grid
- Techfest and the Queue
- Largest subsquare surrounded by X
- Shortest Source to Destination Path
- Divisibility tree
- Valid Pair Sum
- Restricted Pacman
- Iterative Inorder
- Triplets with sum with given range
- Preorder traversal (Iterative)
- Iterative Postorder
- Search Pattern (Rabin-Karp Algorithm)
- Subarrays with sum K
- Searching an element in a sorted array (Ternary Search)
- Remove K Digits
- Count pairs in array divisible by K
- Construct list using given q XOR queries
- Find duplicate rows in a binary matrix
- 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
- Reverse a Stack
- Maximum product subset of an array
- Maximum Meetings in One Room
- Buy Maximum Stocks
- Find shortest safe route in a matrix
- Graph is Tree or Not
- Next element with greater frequency
- Sort a k sorted doubly linked list
- Minimum Multiplications to reach End
- Number Of Enclaves
- Eventual Safe States
- City With the Smallest Number of Neighbors at a Threshold Distance
- Pattern
- Path With Minimum Effort
- Shortest Path in Undirected Graph
- Shortest path in Directed Acyclic Graph
- Majority Element II
- Minimal Cost
- Combination Sum II
- Shortest Path in Weighted undirected graph
- Hands of Straights
- Minimum Absolute Difference In BST
- Maximum Sum Combination
- Count Number of Nodes in a Binary Tree
- Partitions with Given Difference
- Floor in BST
- Make array elements unique
- Find minimum number of Laptops required
- Minimum repeat to make substring
- Water the plants
- Number of Good Components
- Optimal Array
- Maximum Intersecting Lines
- Fraction pairs with sum 1
- Minimum Distance Graph
- New Year Resolution
- Grinding Geek
- Flatten BST to sorted list
- Minimize the Difference
- Maximum Bridges
- Pairs violating the BST property
- Kth common ancestor in BST
- Strong Indices
- Traffic Lights
- Find All Triplets with Zero Sum
- Split array in three equal sum subarrays
- Reverse a linked list
- Frequency in a Linked List
- Pairwise swap elements of a linked list
- Node at a given index in linked list
- Linked list of strings forms a palindrome
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Delete in a Doubly Linked List
- Inorder Traversal
- Reverse a Doubly Linked List
- Bubble Sort
- Selection Sort
- Insertion Sort
- Check for BST
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Maximum Width of Tree
- Delete without head pointer
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Check If Circular Linked List
- Left View of Binary Tree
- Delete Middle of Linked List
- Decimal Equivalent of Binary Linked List
- Intersection Sorted Linked Lists
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Stack using Linked List
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Root to leaf path sum
- Square Root
- Nodes without a Sibling
- Lowest Common Ancestor in a BST
- Binary Search
- Run Length Encoding
- Largest subarray of 0's and 1's
- Remove Duplicates Sorted Array
- Level Order Line by Line
- Remove duplicates in array
- Binary Tree to BST
- Unique rows in boolean matrix
- Toeplitz matrix
- Remove every k'th node
- Leaves at Same Level or Not
- Third largest element
- Convert to Roman No
- Multiply two linked lists
- Josephus problem
- You and your books
- Max distance between same elements
- Count Occurrence of digit k
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Three way partitioning
- Level order traversal
- Inorder Successor in BST
- Index of an Extra Element
- Operating an array
- Insert in a Sorted List
- Split Linked List Alternatingly
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Counting Sort
- Max and min element in Binary Tree
- Reverse Using Stack
- 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
- Leaf under budget
- Find n/k th node in Linked list
- Linked List Matrix
- Queue Reversal
- Reverse first K of a Queue
- Magical Number
- Closest Neighbour in BST
- Brothers From Different Roots
- Delete Mid of a Stack
- Product of an Array
- Data Types - Java
- Learn to Comment - Java
- Swap the array elements
- Predict the Column
- Xoring and Clearing
- Reverse an Array
- Get min at pop
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Power of 2
- Wave Array
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Minimum Number in a sorted rotated array
- Roof Top
- Sort by Absolute Difference
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Rotate by 90 degree
- Matrix Boundary Traversal
- Anagram
- Winner of an election
- String Rotated by 2 Places
- Strings Rotations of Each Other
- Isomorphic Strings
- The Modified String
- Reverse Words
- Minimum indexed character
- Panagram Checking
- Non Repeating Character
- Parenthesis Checker
- Minimum indexed character
- Minimum Cost of ropes
- N meetings in one room
- Reach a given score
- Count ways to N'th Stair
- Count number of hops
- First Repeating Element
- Union of Arrays with Duplicates
- Check Equal Arrays
- Nth number made of prime digits
- Positive Negative Pair
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Search an element in sorted and rotated array
- Intersection of Arrays with Distinct
- Max Value Permutation
- Missing And Repeating
- Cumulative frequency of count of each element in an unsorted array
- Non-Repeating Element
- Count the elements
- Find Kth Rotation
- Find the closest number
- Professor and Parties
- Common in 3 Sorted Arrays
- Good Pairs
- Number and the Digit Sum
- First Come First Serve
- Sorted and Rotated Minimum
- Maximum no of 1's row
- Sum of elements between k1'th and k2'th smallest elements
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- String Duplicates Removal
- Minimize the sum of product
- Missing number
- Move all negative elements to end
- Chocolate Distribution Problem
- Strange Sort
- Count pairs Sum in matrices
- Count the triplets
- Sort the way !
- Find Pair Given Difference
- Part Sort
- Minimum number of swaps needed
- Pairs with difference k
- Permutations in array
- Swap and Maximize
- Minimize Difference in Task Priorities
- Bitonic Point
- Find Duplicate Element
- Left most and right most index
- Smallest subarray with sum greater than x
- Closest Strings
- Single Number
- Even Greater than Odd
- Alternate Positive Negative
- Maximum Possible Sum of Products
- 1[0]1 Pattern Count
- Remaining String
- Remove Consecutive Characters
- Convert a sentence into its equivalent mobile numeric keypad sequence
- Remove b and ac from a given string
- Kth distance
- Check if the number is balanced
- Sort in specific order
- Rearrange a string
- Remove Duplicates
- Sorting Employees
- Nearest multiple of 10
- Reorganize The Array
- Facing the sun
- Greater on right side
- Count Substrings
- Twice Counter
- Bitonic Generator Sort
- Second Largest
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Rotate Bits
- Check if array contains contiguous integers
- Find all pairs with a given sum
- Number of occurrence
- Maximum repeating number
- K-Pangrams
- Reversing the equation
- Does array represent Heap
- Rope Cutting
- Modify the Array
- Convert an array to reduced form
- Check if array is sorted
- Find missing in second array
- String's Count
- Longest Common Prefix of Strings
- First Repeated Character
- Special array reversal
- Min Number of Flips
- Sum of distinct elements for a limited range
- Counts Zeros Xor Pairs
- Substrings with same first and last characters
- Two sum -Pairs with 0 Sum
- Sum of f(a[i], a[j]) over all pairs in an array of n integers
- Segregate 0s and 1s
- Print an array in Pendulum Arrangement
- Play With OR
- Three Great Candidates
- At Least K Occurrences
- Element with left side smaller and right side greater
- Ishaan and Sticks
- Find the closest pair from two arrays
- Maximum sum of increasing order elements from n arrays
- Merging two unsorted arrays in sorted order
- Count the Zeros
- Distinct absolute array elements
- Four Elements
- Palindrome String
- Maximum number of partitions that can be sorted individually to make sorted
- Total count
- Search array with adjacent diff at most k
- The Optimal Selection
- Sorting all array elements except one
- Fitting The Array
- Pattern Searching
- Count number of words
- Print Bracket Number
- Easy string
- Odd Even Problem
- Binary representation of next number
- Is Binary Number Multiple of 3
- Padovan Sequence
- Minimum product pair
- Extract the Number from the String
- Minimum Operations
- Divisibility by 8
- Number of 1 Bits
- Find the Highest number
- Armstrong Numbers
- Reverse Bits
- Max Sum Subarray of size K
- Rearrange the array
- Nth Fibonacci Number
- Ceil The Floor
- Swap two nibbles in a byte
- Copy Set Bits in Range
- Maximum Sum Problem
- Minimum number of deletions to make a sorted sequence
- Party of Couples
- Shortest path from 1 to n
- Sum 1 to n Divisors
- Count numbers containing 4
- Reach the Nth point
- Perfect Numbers
- Maximize Toys
- Largest number possible
- Recamans sequence
- The Palindrome Pattern
- Compare two fractions
- Equalize an array in minimum operations
- Form a number divisible by 3 using array digits
- Recursive sequence
- Juggler Sequence
- Summed Matrix
- Row with Minimum 1s
- Surround the 1's
- Coverage of all Zeros in a Binary Matrix
- Inorder Traversal and BST
- Letters Collection
- Print Pattern
- Array to BST
- Sum of dependencies in a graph
- Find maximum volume of a cuboid
- Search insert position of K in a sorted array
- First and last occurrences of x
- Count the Substrings
- Minimum Sum of Absolute Differences of Pairs
- Smallest window containing 0, 1 and 2
- Insert an Element at the Bottom of a Stack
- Print N to 1 without loop
- Fibonacci series up to Nth term
- Stock Buy and Sell – Max one Transaction Allowed
- Maximum Depth Of Binary Tree
- Divisor Game
- Minimize the sum
- Make the array beautiful
- Bus Conductor
- Minimum Integer
- Dominant Pairs
- Total Traversal Time
- Unique Number of Occurrences
- Max Splits
- Maximum Number
- Check Anagram Existence
- Beautiful Number
- Complete the Staircase
- Array Game
- Even Sum
- High Frequency
- Weird Island
- Construction of a string
- Find Bots on Geeklandster
- Negative Prefix
- Build Adjacency List
- Maximum occurring digit
- Is it a Leap Year
- Virus Infection
- Divide and Rule
- Candy shop I
- Count Indices
- Maximum Distance
- Coin Mining
- Magic Array
- Chocolate Distribution
- Minimum Number of Elements
- Character Matrix Conundrum
- Check for Consecutive
- Prefix Distinct
- Eye's Contact
- Two Smallests in Every Subarray
- Split an array into two equal Sum subarrays
- Largest Pair Sum
- Two Swaps
- Meeting Rooms
- Union of Two Sorted Arrays with Distinct Elements
- Print Linked List
- Count Linked List Nodes
- Size of Binary Tree
- Postorder Traversal
- Implement stack using array
- Queue Using Array
- Replace all 0's with 5
- Count zeros in a sorted matrix
- Preorder Traversal
- First Occurence
- Search a node in BST
- Remainder with 7
- Peak element
- Linked List Insertion At End
- Play with an array
- Minimum element in BST
- Anagram of String
- Is Linked List Length Even?
- Identical Linked Lists
- Modular Node
- Triplet Family
- Insert in Middle of Linked List
- longest substring containing '1'
- Pairwise Consecutive Elements
- Count Odd and Even
- Stack designer
- Sum Array Puzzle
- Print 1 To N Without Loop
- Reverse array in groups
- Array Search
- Sorted 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
- Keypad typing
- First n Fibonacci
- Minimum Product of k Integers
- Merge and Sort
- Rearranging array
- Count number of elements between two given elements in array
- Perfect Array
- Mega Sale
- Searching in an Array
- Doubling the value
- Count pair sum
- Elements before which no element is bigger
- Ishaan's Internship
- Remove consonants from a string
- Friendly Array
- Balanced Array
- Sort the Half Sorted
- Check Arithmetic Progression
- Ishwar and his proposals
- Sort a String
- Anagram Palindrome
- Sort The Array
- Alternative Sorting
- Check if divisible by 11
- Check if divisible by 4
- Change the string
- Remove all characters other than alphabets
- Maximum product of two numbers
- Value equal to index value
- Check for subsequence
- Compare two Large Numbers
- Confused pappu
- Segregate Even and Odd numbers
- Encrypt the string - 1
- Maximum triplet sum in array
- Fighting the darkness
- Count Pairs Odd Xor
- The problem of identical arrays
- Sum of alternate product
- Reverse sub array
- Immediate Smaller Element
- Sum of distinct elements
- Count the characters
- Uncommon characters
- Quick Left Rotation
- Rock Paper Scissors!
- Shortest direction
- Stable Sort and Position
- Duck Number
- String Reversal
- A guy with a mental problem
- Remove repeated digits in a given number
- Repeated Character
- Reverse a string with spaces intact
- First 1 in a Sorted Binary Array
- Length of Last word
- Missing number in shuffled array
- Max and Min Product from 2 Arrays
- The Penalty Shootout
- Elements in the Range
- Last index of One
- Sort the string in descending order
- Merge two strings
- String with numbers at its end
- Countries at war
- Last duplicate element in a sorted array
- Largest Element in Array
- Rotate Array by One
- Game with nos
- Why is Melody so chocolaty?
- Exceptionally odd
- Ishaan Loves Chocolates
- Jay's Apples
- Array Subset
- Rotating an Array
- Product is even or odd?
- Remove Duplicates from unsorted array
- First and Second Smallests
- Min and Max in Array
- Multiply left and right array sum
- Maximum Perimeter of Triangle from array
- Average Count Array
- Positive and negative elements
- Extract Maximum
- Smallest number repeating K times
- Print first letter of every word in the string
- Last index of a character in the string
- Good or Bad string
- Perfect Square String
- Remove character
- Red OR Green
- Snake Case
- Anagram Strings
- C++ Basic Data types
- Magical String[Duplicate Problem]
- Difference between highest and lowest occurrence
- GCD of Array
- Find unique element
- Find the fine
- Longest Increasing Subarray
- Shortest un-ordered subarray
- Sort first half in ascending and second half in descending
- Factorial
- Prime Number
- Java 1-d and 2-d Array
- G.F Series
- Print 1 to n without using loops
- Middle of Three
- K-th distinct element
- Minimum difference pair
- Maximum average among all subarrays
- Naughty Geek
- Isomorphic Strings
- Naughty Geek
- Valid Strings
- Time Travel
- Who has the majority?
- Valid Triangle
- Linked List Group Reverse
- Binary Tree to DLL
- Clone List with Next and Random
- Min distance between two given nodes of a Binary Tree
- Max rectangle
- Subtraction in Linked List
- Distinct occurrences
- AVL Tree Insertion
- Alien Dictionary
- AVL Tree Deletion
- Merge Sort on Doubly Linked List
- Nodes at given distance in binary tree
- String Permutations
- Trapping Rain Water
- Max Circular Subarray Sum
- Smallest window containing all characters of another string
- Histogram Max Rectangular Area
- Solve the Sudoku
- Minimum Cost Path
- Median of 2 Sorted Arrays of Different Sizes
- Burning Tree
- Next Smallest Palindrome
- Count Pairs in an Array
- The Painter's Partition Problem-II
- Search Pattern (KMP-Algorithm)
- Count Smaller elements
- Longest Prefix Suffix
- Number of distinct subsequences
- Wildcard string matching
- Circle of strings
- Longest repeating and non-overlapping substring
- Sum-string
- All numbers with specific difference
- Sub-arrays with equal number of occurences
- Edit Distance
- Minimum Points To Reach Destination
- Palindromic Partitioning
- Next Happy Number
- Strictly Increasing Array
- Median in a row-wise sorted Matrix
- Generalised Fibonacci numbers
- Boolean Parenthesization
- Longest valid Parentheses
- Possible Paths in a Tree
- N-Queen Problem
- Brackets in Matrix Chain Multiplication
- Joey doesn't share food
- Smallest Positive Integer that can not be represented as Sum
- 132 Geeky Buildings
- Find all Critical Connections in the Graph
- Minimum operations to convert array A to B
- Distribute candies in a binary tree
- IPL 2021 - Final
- Split Array Largest Sum
- Find the String
- Stock Buy and Sell – Max 2 Transactions Allowed
- Largest rectangular sub-matrix whose sum is 0
- Vertex Cover
- Maximum Connected group
- Minimize Max Distance to Gas Station
- Candy
- Account Merge
- Better String
- Redundant Parenthesis
- Median of the Subarrays
- Geekina Hate 1s
- Making A Large Island
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