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sriyaradhika
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BASIC (6)
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MEDIUM (200)
HARD (31)
- Sort a linked list of 0s, 1s and 2s
- Detect Loop in linked list
- Quick Sort
- Diameter of a Binary Tree
- Flattening a Linked List
- LCA in Binary Tree
- Absolute List Sorting
- Largest subarray with 0 sum
- Topological sort
- Find the number of islands
- Max sum in the configuration
- Remove loop in Linked List
- Multiply two strings
- Minimum Swaps to Sort
- Closest in BST
- Count distinct elements in every window
- k-th Smallest in BST
- Predecessor and Successor
- Power Of Numbers
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Count Inversions
- Count the number of possible triangles
- Triplet Sum in Array
- Merge Without Extra Space
- Case-specific Sorting of Strings
- K Sized Subarray Maximum
- Minimum Platforms
- Black and White
- Zero Sum Subarrays
- Kth Smallest
- Container With Most Water
- Top K Frequent in Array
- Closest Three Sum
- Word Search
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Complement
- Maximum Sub Array
- Maximum Index
- Count of Subarrays
- Count Full Binary Trees
- Alternate Vowel and Consonant String
- Add Binary Strings
- Longest subarray with sum divisible by K
- Row with max 1s
- Cutting Binary String
- Factorials of large numbers
- Longest Palindrome in a String
- Arranging the array
- Rod Cutting
- Maximize the sum of selected numbers from a sorted array to make it empty
- Build the smallest
- A difference of values and indexes
- Find patterns
- Permutations of a String
- CamelCase Pattern Matching
- Lexicographically smallest string
- 3 Divisors
- Santa Banta
- Power Of 2 and Subsequences
- Shreyansh and his bits
- nCr
- Longest Bitonic subsequence
- Count digit groupings of a number
- Array Pair Sum Divisibility Problem
- Count the number of ways to tile the floor of size n x m using 1 x m size tiles
- Magic Triplets
- Fill up buckets
- Unique partitions
- Akku and Binary Numbers
- Stepping Numbers
- LCM Triplet
- Jumping Numbers
- A Game of LCM
- Grouping Of Numbers
- Find the Safe Position
- Missing number in matrix
- Smaller on Left
- Filling Bucket
- Composite and Prime
- Decode the string
- Total Decoding Messages
- Stream First Non-repeating
- Maximum Sub-String after at most K changes
- 2D Hopscotch
- Print leaf nodes from preorder traversal of BST
- Longest Perfect Piece
- Geek and Strings
- The Smurfs
- Satisfy the equation
- Two numbers with odd occurrences
- Queries on a Matrix
- Express as sum of power of natural numbers
- Floyd Warshall
- Flood fill Algorithm
- Base Equivalence
- Reverse Spiral Form of Matrix
- Geek and Number String
- Save Your Life
- Hamiltonian Path
- Substrings of length k with k-1 distinct elements
- Number of Provinces
- Prefix match with other strings
- Single valued subtree
- BST to max heap
- Paths from root with a specified sum
- Flatten binary tree to linked list
- IPL 2021 - Match Day 2
- Remove and Reverse
- Find k-th smallest element in given n ranges
- Even Swap
- Enemy
- Array Removals
- Largest subtree sum in a tree
- Wine Buying and Selling
- Replace every element with the least greater element on its right
- Construct Binary Tree from String with bracket representation
- Check if all levels of two trees are anagrams or not
- Number of Distinct Islands
- Shortest Distance in a Binary Maze
- Alex Travelling
- Number Of Islands
- Number of Ways to Arrive at Destination
- Shortest Path in Undirected Graph
- Shortest path in Directed Acyclic Graph
- Sum of Beauty of All Substrings
- Asteroid Collision
- Aggressive Cows
- Task Scheduler
- Hands of Straights
- Lemonade Change
- GCD Array
- Maximum Value
- Shortest Prime Path
- Flattening a Linked List
- Absolute difference divisible by K
- Next Greater Element in Circular Array
- Carpet into Box
- Find minimum number of Laptops required
- Geeks And The 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
- Fill the Matrix
- Number of Good Components
- Optimal Array
- 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
- 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
- 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
- Palindrome with minimum sum
- Count Total Setbits
- Tree Transformation
- Construct a Full Binary Tree
- Modify Linked List-1
- Find Kth permutation
- Node at a given index in linked list
- Remove duplicates from an unsorted linked list
- Height of Binary Tree
- Kth from End of Linked List
- Remove Duplicates from a Sorted Linked List
- DFS of Graph
- BFS of graph
- Multiply two linked lists
- Level order traversal
- Find n/k th node in Linked list
- Queue Reversal
- Frequency in Queue
- Frequency Game
- Array Leaders
- Non Repeating Character
- Minimum Cost of ropes
- N meetings in one room
- Union of Arrays with Duplicates
- Missing in Array
- Adding Ones
- Common in 3 Sorted Arrays
- Minimize the sum of product
- Chocolate Distribution Problem
- Toppers Of Class
- Two Sum - Pair with Given Sum
- Reversing the equation
- Convert an array to reduced form
- Find missing in second array
- Ishaan and Sticks
- Fitting The Array
- Nth Fibonacci Number
- Palindrome
- The Bit Game
- Minimum number of Coins
- Number Of Open Doors
- Break a number
- Smallest number with sum of digits as N and divisible by 10^N
- Least Prime Factor
- Tom and Jerry
- Arithmetic Number
- Surround the 1's
- Help Ishaan
- Trace Path
- Sequence Fun
- Primes sum
- Chicks in a Zoo
- Maximum Sum LCM
- Check if it is possible to convert one string into another with given constraints
- Minimum Exchange
- Earthquake and the Paint Shop
- Count all possible paths from top left to bottom right
- Ball coloring
- Modified Numbers and Queries
- Sum of k smallest elements in BST
- Print Diagonally
- Maximum number of 2X2 squares
- License Key Formatting
- Count the Substrings
- Sort array after converting elements to their squares
- Move Last Element to Front of a Linked List
- 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
- 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
- Linked List Group Reverse
- Reorder List
- Smallest window containing all characters of another string
- Burning Tree
- Minimum sum partition
- Number Formation
- Median in a row-wise sorted Matrix
- Phone directory
- Split Array Largest Sum
- Find number of closed islands
- Scrambled String
- Shortest Path by Removing K walls
- Maximum Number of Toys
- Min Chars to Add for Palindrome
- MaxSkill
- 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
- Walls Coloring II
- Redundant Parenthesis
- Partition the Array
- Divide in Incremental Groups
- Max min Height
- Maximum Number of coins
- Minimum BST Sum Subtree
- Special Digits
- Cake Distribution Problem
- Game Of Subsets
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