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vishaldhaygude01
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SCHOOL (3)
BASIC (72)
EASY (309)
MEDIUM (591)
HARD (111)
- Nearly Sorted Algorithm
- Reverse alternate nodes in Link List
- Rotate a Linked List
- Add Number Linked Lists
- Rearrange a linked list
- Detect Loop in linked list
- Quick Sort on Linked List
- Insert in Sorted Circular Linked List
- QuickSort on Doubly Linked List
- Count BST nodes that lie in a given range
- 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
- Add all greater values to every node in a BST
- Sum Tree
- Construct Binary Tree from Parent Array
- Connect Nodes of Levels
- Flattening a Linked List
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Delete a node from BST
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Maximum difference between node and its ancestor
- Absolute List Sorting
- The Celebrity Problem
- Largest subarray with 0 sum
- 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
- Gas Station
- Linked List to Binary Tree
- Generate IP Addresses
- Check if subtree
- Kth element in Matrix
- Is Binary Tree Heap
- Clone a Binary Tree
- Remove loop in Linked List
- Dijkstra Algorithm
- Largest BST
- Interleaved Strings
- Sum of permutations
- Count Palindromic Subsequences
- Multiply two strings
- Minimum Swaps to Sort
- Implement Atoi
- Palindrome Linked List
- Print matrix in diagonal pattern
- Rat in a Maze Problem - I
- Bipartite Graph
- Number of root to leaf paths
- Closest in BST
- BST with Dead End
- Pots of Gold Game
- Delete keys in a Linked list
- Merge two BST 's
- Merge k Sorted Arrays
- Root to leaf paths sum
- Longest Palindrome in Linked List
- Print Nodes having K leaves
- 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
- Polynomial Addition
- Delete nodes greater than k
- Merge Sort for Linked List
- Maximum Bipartite Matching
- Union of Two Linked Lists
- Euler circuit and Path
- Ancestors in Binary Tree
- Binary Tree to CDLL
- Pair Sum in BST
- Root to Leaf Paths
- Complete Binary Tree
- Populate Inorder Successor for all nodes
- Counting elements in two arrays
- K Sum Paths
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Construct Tree from Inorder & Preorder
- Construct tree from Inorder and LevelOrder
- Mirror of a given node
- Isomorphic Trees
- Maximum path sum from any node
- Predecessor and Successor
- Leaves to DLL
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Normal BST to Balanced BST
- Duplicate Subtrees
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- Convert Level Order Traversal to BST
- ZigZag Tree Traversal
- Count Number of SubTrees having given Sum
- Vertical Width of a Binary Tree
- C++ Friend function
- C++ Generic sort
- Maximum sum of Non-adjacent nodes
- Mother Vertex
- Ceil in BST
- Gray to Binary Conversion
- Smallest Positive Missing
- Possible Words From Phone Digits
- Rotate and delete
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- 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
- Merge Without Extra Space
- Possible paths between 2 vertices
- Level of Nodes
- Boolean Matrix
- Spirally traversing a matrix
- Search in a sorted Matrix
- Determinant of a Matrix
- Distance of nearest cell having 1
- Unit Area of largest region of 1's
- Subarray with 0 sum
- Subarrays with equal 1s and 0s
- Sort Elements by Decreasing Frequency
- Longest Consecutive Subsequence
- Case-specific Sorting of Strings
- Stock span problem
- Next Greater Element
- K Sized Subarray Maximum
- Nearly sorted
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Largest number in K swaps
- Black and White
- Combination Sum
- Unique Subsets
- M-Coloring Problem
- Minimum Jumps
- Detect Cycle using DSU
- Stickler Thief
- Ways to Reach the n'th Stair
- Egg Dropping Puzzle
- Optimal Strategy For A Game
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Lucky Numbers
- Number of Unique Paths
- Sort according to an Array
- Preorder to BST
- X Total Shapes
- Zero Sum Subarrays
- Find whether path exist
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Count subsequences of type a^i, b^j, c^k
- Maximize The Cut Segments
- Container With Most Water
- Print Anagrams Together
- Rotate by 90 degree
- Top K Frequent in Array
- Word Break
- Generate Parentheses
- Prerequisite Tasks
- 4 Sum - All Quadruples
- Excel Sheet | Part - 1
- Sort 0s, 1s and 2s
- Paths to reach origin
- Taking 1 out of 3 consecutives
- Complement
- Maximum Sub Array
- Pascal Triangle
- Maximum Index
- Number of subarrays with maximum values in given range
- Sum of Subarrays
- Equal Sum
- Top k numbers in a stream
- Large Factorial
- Longest Span in two Binary Arrays
- Maximize Number of 1's
- Sum of Middle elements of two sorted arrays
- Equivalent Sub-Arrays
- Single Among Doubles in a Sorted
- Consecutive 1's not allowed
- Count Occurences of Anagrams
- Count of Subarrays
- Single Among Doubles
- Pythagorean Triplet
- Painting the Fence
- Pair Sum Closest to 0
- Search in Rotated Sorted Array
- Smallest factorial number
- Sum of bit differences
- Count Full Binary Trees
- Maximize The Array
- Form the Largest Number
- Efficiently sorting numbers in range from 0 to n^2 - 1
- Marks of PCM
- Alternate Vowel and Consonant String
- Add Binary Strings
- Super Primes
- Maximum Product Subarray
- Longest subarray with sum divisible by K
- Check if a string is repetition of its substring of k-length
- Row with max 1s
- Swapping pairs make sum equal
- Check if frequencies can be equal
- Column name from a given column number
- Concatenation of Zig-Zag String in n Rows
- Substrings with K Distinct
- Form a palindrome
- Nuts and Bolts Problem
- Rotate a Matrix
- Longest Subarray with Sum K
- Transform String
- Count the Reversals
- Number of positive integral solutions
- Sum of two large numbers
- Max Sum without Adjacents
- Factorials of large numbers
- Find length of longest subsequence
- Shuffle integers
- Reverse each word in a given string
- Find the N-th character
- Length of the longest substring
- Remove leading zeros from an IP address
- k largest elements
- Sum of XOR of all pairs
- Magnet Array Problem
- Longest Common Substring
- Smallest distinct window
- Longest substring with distinct characters
- Longest Substring with K Uniques
- Look and Say Pattern
- Minimum steps to get desired array
- Product Pair
- Valid Expression
- K-th element of two Arrays
- String formation from substring
- Triplets with Smaller Sum
- Rod Cutting
- Greater tower sum
- Aditya and his building blocks
- K closest elements
- Minimum swaps and K together
- Maximize the sum of selected numbers from a sorted array to make it empty
- Smallest Absolute Difference
- LCS of three strings
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- Find the number of subarrays having even sum
- Minimum sum
- Not a subset sum
- Build the smallest
- Minimize the Heights II
- Transform to prime
- First and Last Occurrences
- Reaching the heights
- Smaller on Left
- Minimum Deletions
- A difference of values and indexes
- Print N-bit binary numbers having more 1s than 0s
- Valid Substring
- Find patterns
- Permutations of a String
- Number following a pattern
- Friends Pairing Problem
- Special Numbers
- Pallindrome Patterns
- Lexicographically smallest string
- Sum of Products
- Subarrays Product Less than K
- Bleak Numbers
- Ways to sum to N
- Skip the work
- Max possible amount
- Game of XOR
- Largest prime factor
- 3 Divisors
- Modified Game of Nim
- 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
- Gold Mine Problem
- Coin Change (Minimum Coins)
- Dice throw
- Perfect Sum Problem
- Power Of 2 and Subsequences
- Kth Smallest Factor
- Firing employees
- Shreyansh and his bits
- Power Set
- Count ways to N'th Stair(Order does not matter)
- Subset with sum divisible by k
- Knapsack with Duplicate Items
- nCr
- Number of ways
- Count of sum of consecutives
- Subsets with XOR value
- Maximum path sum in matrix
- Minimum steps to destination
- Partition Equal Subset Sum
- XOR Game
- Longest Bitonic subsequence
- Min Coin
- Get Minimum Squares
- Part of it.
- Handshakes
- Count possible ways to construct buildings
- Count digit groupings of a number
- Array Pair Sum Divisibility Problem
- Magic Triplets
- Brain Game
- Fill up buckets
- Matchsticks game
- Killing Spree
- Unique partitions
- Count Numbers in Range
- Yes XOR No
- Fill the Tank
- Akku and Binary Numbers
- Number of paths
- Nth Natural Number
- Stepping Numbers
- Permutation with Spaces
- Number of paths in a matrix with k coins
- LCM Triplet
- Return two prime numbers
- Count Total Setbits
- Find Prime numbers in a range
- Jumping Numbers
- A Game of LCM
- Count even length
- Numbers with alternative 1's
- Grouping Of Numbers
- Find the Safe Position
- Smith Number
- Next Permutation
- Missing number in matrix
- Smaller on Left
- Geek and knots
- Filling Bucket
- How Many X's?
- Exit Point in a Matrix
- Matrix Exponentiation
- Longest Repeating Subsequence
- Longest alternating subsequence
- Composite and Prime
- Finding Profession
- Decode the string
- Preorder Traversal and BST
- Total Decoding Messages
- Maximum Sub-String after at most K changes
- Count Divisors
- Mathematical manipulation
- 2D Hopscotch
- Villain Con
- Segregate even and odd nodes in a Linked List
- Print leaf nodes from preorder traversal of BST
- Largest square formed in a matrix
- Tricky Subset Problem
- Longest Perfect Piece
- Rat Maze With Multiple Jumps
- Geek and Strings
- The Smurfs
- Satisfy the equation
- Product of Primes
- Transitive closure of a Graph
- Replace O's with X's
- nCr mod M | Part 2
- Two numbers with odd occurrences
- Find all distinct subset (or subsequence) sums
- Rohan's Love for Matrix
- Check Mirror in N-ary tree
- Special Matrix
- Queries on a Matrix
- Traverse All Edges And Vertices
- Shortest Uncommon Subsequence
- Biconnected Graph
- Help a Thief!!!
- Count the paths
- Floyd Warshall
- Flood fill Algorithm
- Form coils in a matrix
- Techfest and the Queue
- Base Equivalence
- Shortest Path between Cities
- Height Using Parent Array
- Reverse Spiral Form of Matrix
- Geek and Number String
- Save Your Life
- Image Multiplication
- Hamiltonian Path
- Recursively Remove Adjacent Duplicates
- Spiral Matrix
- Valid Pair Sum
- Dam of Candies
- Transfiguration
- Triplets in Sorted Linked List
- Help Classmates
- Jump Game
- Max Diff Elements and Indexes
- Iterative Inorder
- Triplets with sum with given range
- Preorder traversal (Iterative)
- Iterative Postorder
- Subset Sum Problem
- Longest Palindromic Substring
- Form a palindrome
- Search Pattern (Rabin-Karp Algorithm)
- All Palindromic Partitions
- Bellman-Ford
- Subarrays with sum K
- Remove BST keys outside given range
- Partition a Linked List around a given value
- Minimum XOR value pair
- Searching an element in a sorted array (Ternary Search)
- Remove K Digits
- Substrings of length k with k-1 distinct elements
- Clone a stack without using extra space
- Maximum XOR of two numbers in an array
- Count pairs in array divisible by K
- Number of Provinces
- Binary Matrix with at most K 1s
- Maximum sum leaf to root path
- Find duplicate rows in a binary matrix
- Maximum GCD of siblings of a binary tree
- Single valued subtree
- BST to max heap
- BST to greater sum tree
- Find rectangle with corners as 1
- Paths from root with a specified sum
- Shortest Prime Path
- Cousins of a given node
- Division without using multiplication, division and mod operator
- Insertion Sort for Singly Linked List
- Remove all occurences of duplicates in a linked list
- Minimize the Heights I
- Subsets
- Flatten binary tree to linked list
- Anti Diagonal Traversal of Matrix
- IPL 2021 - Match Day 2
- Unique Number III
- All Unique Permutations of an array
- Course Schedule
- Clone an Undirected Graph
- Minimum times A has to be repeated such that B is a substring of it
- Overlapping Intervals
- Remove and Reverse
- Maximum number of events that can be attended
- Longest Possible Route in a Matrix with Hurdles
- Even Swap
- Reverse a Stack
- Robots
- K-th Largest Sum Contiguous Subarray
- Maximum Meetings in One Room
- Enemy
- Max Equal sum of 3 Stacks
- Buy Maximum Stocks
- Concatenate Equal to Target
- Maximum Winning score
- Levels Of Game
- Smallest sum contiguous subarray
- Array Removals
- Minimum Cost to cut a board into squares
- Stack Permutations
- Largest subtree sum in a tree
- Expression contains redundant bracket or not
- Wine Buying and Selling
- Graph is Tree or Not
- Replace every element with the least greater element on its right
- Special Keyboard 2
- Maximum selections
- Next element with greater frequency
- Minimum increment/decrement to make array non-Increasing
- Minimum Swaps
- 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
- Minimum Multiplications to reach End
- Number Of Enclaves
- Eventual Safe States
- City With the Smallest Number of Neighbors at a Threshold Distance
- Alex Travelling
- Number Of Islands
- Merging Details
- Number of Ways to Arrive at Destination
- Cheapest Flights Within K Stops
- Majority Element II
- Sum of Beauty of All Substrings
- Binary subarray with sum
- Asteroid Collision
- Minimal Cost
- Geek's Training
- Grid Path 2
- Stock Buy and Sell – with Cooldown
- Combination Sum III
- Aggressive Cows
- Minimum Absolute Difference In BST
- Buy Stock with Transaction Fee
- Maximum Sum Combination
- Introduction to DP
- Floor in BST
- Triangle Path Sum
- 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
- 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
- Shortest XY distance in Grid
- BST Maximum Difference
- Add Minimum Characters
- Maximum Score of Array
- New Year Resolution
- Grinding Geek
- Minimize the Difference
- Geek and his Marks
- Reverse a linked list
- Frequency in a Linked List
- Pairwise swap elements of a linked list
- Compare two linked lists
- Delete nodes having greater value on right
- Remove duplicates from an unsorted 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
- Two Mirror Trees
- 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
- Transform to Sum Tree
- Intersection Sorted Linked Lists
- Find Transition Point
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Reverse Level Order Traversal
- DFS of Graph
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Root to leaf path sum
- Square Root
- Lowest Common Ancestor in a BST
- Binary Search
- Remove Duplicates Sorted Array
- Level Order Line by Line
- Minimum Depth of a Binary Tree
- Remove duplicates in array
- Binary Tree to BST
- Leaves at Same Level or Not
- Third largest element
- Josephus problem
- Expression Tree
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- 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
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Counting Sort
- Max and min element in Binary Tree
- Perfect Binary Tree
- Reverse Using Stack
- XOR of a given range
- Symmetric Tree
- Delete Alternate Nodes
- Next Right Node
- Count Pairs whose sum is equal to X
- Depth of node
- Find length of Loop
- Leaf under budget
- Queue Reversal
- Reverse first K of a Queue
- Height of Spiral Tree
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Closest Neighbour in BST
- Brothers From Different Roots
- Delete Mid of a Stack
- The New Line
- Taking input
- Learn to Comment
- GetLine and Ignore
- For Loop- primeCheck
- While loop- printTable
- Learning Macros
- Step by Step Condition
- Start Coding - Java
- The New Line - Java
- Taking input - Java
- Learn to Comment - Java
- nextLine and next
- Precise Format - Java
- logical Operators - Java
- Even Odd - Java
- For Loop- primeCheck - Java
- While loop- printTable - Java
- Step by Step Condition - Java
- Swap the array elements
- Count the Specials
- Predict the Column
- Xoring and Clearing
- Find the Frequency
- Operations on PriorityQueue
- Get min at pop
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Longest Consecutive 1's
- 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
- 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
- Reverse Words
- Panagram Checking
- Parenthesis Checker
- K largest elements
- Minimum Cost of ropes
- N meetings in one room
- Reach a given score
- Union-Find
- Count ways to N'th Stair
- Count number of hops
- First Repeating Element
- Union of Arrays with Duplicates
- Check Equal Arrays
- Missing in Array
- Roman Number to Integer
- Search an element in sorted and rotated array
- Intersection of Arrays with Distinct
- Excel Sheet | Part - 2
- Missing And Repeating
- Subarrays with given sum
- Non-Repeating Element
- Pairs of equals Sum
- Count the elements
- Sort by Set Bit Count
- 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
- Min sum formed by digits
- Move all negative elements to end
- Count pairs Sum in matrices
- Count the triplets
- Find Pair Given Difference
- Bitonic Point
- Single Number
- Alternate Positive Negative
- Maximum Possible Sum of Products
- Check if the number is balanced
- Remove Duplicates
- Facing the sun
- Two Sum - Pair with Given Sum
- Rotate Bits
- Second most repeated string in a sequence
- Find all pairs with a given sum
- Number of occurrence
- Convert an array to reduced form
- Check if array is sorted
- Find missing in second array
- String's Count
- Counts Zeros Xor Pairs
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Play With OR
- Hungry Pizza Lovers
- At Least K Occurrences
- 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
- Merge two binary Max heaps
- Four Elements
- Palindrome String
- Maximum average subarray
- Smallest greater elements in whole array
- Fitting The Array
- Pair with given sum in a sorted array
- Balanced string
- Is Binary Number Multiple of 3
- Minimum Operations
- Divisibility by 8
- Adding Array Elements
- Number of 1 Bits
- Reverse Bits
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Change Bits
- Maximum Sum Problem
- Party of Couples
- Shortest path from 1 to n
- Sum 1 to n Divisors
- Find sum of divisors
- The Bit Game
- Happy Number
- Reach the Nth point
- Minimum number of Coins
- Number Of Open Doors
- Break a number
- Perfect Numbers
- Nth item through sum
- Smallest number with sum of digits as N and divisible by 10^N
- Largest number possible
- Recamans sequence
- Form a number divisible by 3 using array digits
- Sum of all prime numbers between 1 and n
- Recursive sequence
- Tom and Jerry
- Arithmetic Number
- Rotate a Matrix by 180 Counterclockwise
- Row with Minimum 1s
- Count Primes In Range
- Help Ishaan
- Inorder Traversal and BST
- Sequence Fun
- Letters Collection
- Help the Old Man!!!
- Print Pattern
- Primes sum
- Print the pattern
- 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
- Array to BST
- Sum of dependencies in a graph
- Count all possible paths from top left to bottom right
- Ball coloring
- Rearrange Geek and his Classmates
- Modified Numbers and Queries
- Fraction Trouble
- Sum of k smallest elements in BST
- Print Diagonally
- Sum of two numbers without using arithmetic operators
- Even and Odd
- Search insert position of K in a sorted array
- Largest value in each level
- Maximum number of 2X2 squares
- Geek and Snow Fighting
- License Key Formatting
- Count the Substrings
- Find all possible paths from top to bottom
- Smallest Subset with Greater Sum
- Minimum Sum of Absolute Differences of Pairs
- Smallest window containing 0, 1 and 2
- Move Last Element to Front of a Linked List
- Can Make Triangle
- Matrix Operations
- Find pairs with given sum in doubly linked list
- Triangle and Square
- Even subarray sum
- Fibonacci series up to Nth term
- Stock Buy and Sell – Max one Transaction Allowed
- Maximum Depth Of Binary Tree
- Bots on social media
- 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
- Geek & Geekina Purchasing Ice Cream
- Toggle
- 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
- Minimum Integer
- Dominant Pairs
- Total Traversal Time
- Strong Students in School
- Unleashing the Array's Potential
- Organic Tree
- Linked List Group Reverse
- Reorder List
- 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
- Partition array to k subsets
- Alien Dictionary
- AVL Tree Deletion
- Merge Sort on Doubly Linked List
- Nodes at given distance in binary tree
- Fixing Two nodes of a BST
- Max Path Sum 2 Special Nodes
- String Permutations
- Trapping Rain Water
- Max Circular Subarray Sum
- Smallest window containing all characters of another string
- Find median in a stream
- Solve the Sudoku
- Minimum Cost Path
- Word Ladder I
- Median of 2 Sorted Arrays of Different Sizes
- Burning Tree
- Merge Without Extra Space
- Count Pairs in an Array
- Distinct palindromic substrings
- Search Pattern (KMP-Algorithm)
- Count Smaller elements
- Number of distinct subsequences
- Wildcard string matching
- Longest repeating and non-overlapping substring
- Sum-string
- Edit Distance
- Minimum Points To Reach Destination
- Minimum sum partition
- Number Formation
- Palindromic Partitioning
- Stock Buy and Sell – Max K Transactions Allowed
- Matrix Chain Multiplication
- Strictly Increasing Array
- Median in a row-wise sorted Matrix
- Longest valid Parentheses
- Longest Zig-Zag Sub Sequence
- Bike Racing
- Word Break - 2
- N-Queen Problem
- Brackets in Matrix Chain Multiplication
- Phone directory
- Optimal binary search tree
- Assignment Problem
- Longest Path in a matrix
- Word Wrap
- Let's Play!!!
- Smallest Positive Integer that can not be represented as Sum
- 132 Geeky Buildings
- Corona Vaccine
- Number of subsets with product less than k
- Minimum X (xor) A
- Find all Critical Connections in the Graph
- Minimum operations to convert array A to B
- Sorted Linked List to BST
- Longest Increasing Path in a Matrix
- Palindrome Pairs
- Array Partition
- Count occurrences of a given word in a 2-d array
- Number of distinct words with K maximum contiguous vowels
- Reverse a sublist of a linked list
- Word Ladder II
- Distribute candies in a binary tree
- IPL 2021 - Final
- Split Array Largest Sum
- Find number of closed islands
- Scrambled String
- Shortest Path by Removing K walls
- Count the number of subarrays
- Find the String
- Maximum Number of Toys
- Articulation Point - I
- Kth Smallest Number in Multiplication Table
- Stock Buy and Sell – Max 2 Transactions Allowed
- Min Chars to Add for Palindrome
- Largest rectangular sub-matrix whose sum is 0
- Minimum time to fulfil all orders
- Geek in a Maze
- Vertex Cover
- Maximum Triple Product
- MaxSkill
- Count Reverse Pairs
- Candy
- Chocolates Pickup
- Better String
- 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
- Special Digits
- Geek's Journey
- Making A Large Island
- Print Linked List
- Count Linked List Nodes
- Size of Binary Tree
- Count Leaves in Binary Tree
- Postorder Traversal
- Implement stack using array
- Count zeros in a sorted matrix
- Preorder Traversal
- Sum Except First and Last
- Search a node in BST
- Peak element
- Linked List Insertion At End
- Minimum element in BST
- Anagram of String
- Is Linked List Length Even?
- Identical Linked Lists
- Sum of Binary Tree
- Alternates in an Array
- Java Inheritance
- Java Abstract keyword
- Start Coding
- Logical Operators
- Count Odd and Even
- Queue Push & Pop
- Print 1 To N Without Loop
- Array Search
- Sorted Array Search
- Binary Array Sorting
- Sum of numbers in string
- Reverse a String
- First n Fibonacci
- Binary Array Sorting
- C++ Hello World
- Searching in an Array
- Print Elements of Array
- Sort The Array
- Remove vowels from string
- Immediate Smaller Element
- Swap kth elements
- Remove Spaces
- Repeated Character
- Max and Min Product from 2 Arrays
- The Penalty Shootout
- Elements in the Range
- Display longest name
- Find element at a given Index
- Largest Element in Array
- Rotate Array by One
- Game with nos
- Exceptionally odd
- Ishaan Loves Chocolates
- Array Subset
- Min and Max in Array
- Multiply left and right array sum
- Convert String to LowerCase
- Reverse a String
- Addition of Two Numbers
- C++ Input / Output
- Odd or Even
- C++ Switch Case Statement
- C++ Operators | Set 1 (Arithmetic)
- Find position of set bit
- Java Hello World
- House Robber
- Mean of an Array
- Factorial
- Prime Number
- The dice problem
- Print 1 to n without using loops
- Matching Pair
- Swap two numbers
- Max Min
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