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girish_thatte
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Java, C++, Python, C
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3144
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909
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1852
1195 points
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1195 points
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201 submissions in current year
SCHOOL (1)
BASIC (39)
EASY (239)
MEDIUM (556)
HARD (74)
- Reverse squared sum
- Reverse a linked list
- Frequency in a Linked List
- Delete N nodes after M nodes of a linked list
- Pairwise swap elements of a linked list
- 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
- Mirror Tree
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Left View of Binary Tree
- Delete Middle of Linked List
- Decimal Equivalent of Binary Linked List
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Postorder Traversal
- DFS of Graph
- Implement stack using array
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Root to leaf path sum
- Square Root
- Insertion at doubly linked list
- Lowest Common Ancestor in a BST
- Binary Search
- Largest subarray of 0's and 1's
- Remove Duplicates Sorted Array
- Minimum Depth of a Binary Tree
- Remove Duplicates from an array
- Binary Tree to BST
- Leaves at Same Level or Not
- Convert to Roman No
- Multiply two linked lists
- Max distance between same elements
- Delete in a Singly Linked List
- Max Level Sum in Binary Tree
- Inorder Successor in BST
- Disjoint set (Union-Find)
- Insert in a Sorted List
- Split Linked List Alternatingly
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Counting Sort
- Symmetric Tree
- Delete Alternate Nodes
- Find the Sum of Last N nodes of the Linked List
- Next Right Node
- Count Pairs whose sum is equal to X
- Median of BST
- Leaf under budget
- Linked List Matrix
- Reverse first K of a Queue
- Swap the array elements
- Reverse an Array
- Get min at pop
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Power of 2
- Swap odd and even bits
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Minimum Number in a sorted rotated array
- Roof Top
- Print adjacency list
- Matrix Boundary Traversal
- Anagram
- Winner of an election
- Isomorphic Strings
- Reverse Words
- Panagram Checking
- Non Repeating Character
- Parenthesis Checker
- K largest elements
- N meetings in one room
- Reach a given score
- Count ways to N'th Stair
- Count number of hops
- Union of Arrays with Duplicates
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Missing And Repeating
- Find Kth Rotation
- k sorted array
- Maximum AND Value
- 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
- Find Pair Given Difference
- Pairs with difference k
- Swap and Maximize
- Bitonic Point
- Single Number
- Alternate Positive Negative
- Kth distance
- Palindrome Sentence
- Nearest multiple of 10
- Reorganize The Array
- Facing the sun
- Second Largest
- Two Sum - Pair with Given Sum
- Rotate Bits
- Find all pairs with a given sum
- Number of occurrence
- Does array represent Heap
- Modify the Array
- Check if array is sorted
- Sum Pair closest to target
- Find missing in second array
- String's Count
- Longest Common Prefix of Strings
- Two sum -Pairs with 0 Sum
- Play With OR
- At Least K Occurrences
- Find the closest pair from two arrays
- First and Second Smallests
- Palindrome String
- Maximum average subarray
- Total count
- K-th missing element
- Pair with given sum in a sorted array
- Pattern Searching
- Binary representation of next number
- Last Match
- Is Binary Number Multiple of 3
- Bitwise OR in a given Range
- Divisibility by 8
- Number of 1 Bits
- Armstrong Numbers
- Reverse Bits
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Change Bits
- Ceil The Floor
- Swap two nibbles in a byte
- Copy Set Bits in Range
- Toggle bits in the given range
- Set all the bits in given range of a number
- Maximum Sum Problem
- Minimum insertions to sort an array
- Minimum number of deletions to make a sorted sequence
- Party of Couples
- Sum 1 to n Divisors
- Minimum steps to minimize n as per given condition
- Assign Mice Holes
- Find maximum number
- The Bit Game
- Happy Number
- Reach the Nth point
- Minimum number of Coins
- Maximize Toys
- Page Faults in LRU
- Recamans sequence
- Integral Root
- Good Numbers
- Recursive sequence
- Row with Minimum 1s
- Make Zeroes
- Surround the 1's
- Count all possible paths from top left to bottom right
- Reverse Bits
- Sum of two numbers without using arithmetic operators
- Search insert position of K in a sorted array
- Queue using stack
- Most Booked Hotel Room
- Smallest window containing 0, 1 and 2
- Insert an Element at the Bottom of a Stack
- Find pairs with given sum in doubly linked list
- Pattern 17
- Pattern 18
- Pattern 19
- Pattern 20
- Pattern 21
- Print N to 1 without loop
- Print GFG n times
- Fibonacci series up to Nth term
- Pattern 12
- Pattern 22
- Largest odd number in string
- Maximum Nesting Depth of the Parentheses
- Stock Buy and Sell – Max one Transaction Allowed
- Outermost Parentheses
- Search in Linked List
- Remove duplicates from a sorted doubly linked list
- Assign Cookies
- Bus Ticket Change
- Array to Linked List
- Introduction to Trees
- Introduction to Doubly Linked List
- Pass by Reference and Value
- Implementation of Priority Queue using Binary Heap
- Transform to Sum Tree
- Number of Subarrays of 0's
- Weight Problem
- Separate Stone
- Silver and Gold
- Explosives
- Mean BST
- Even Sum
- High Frequency
- Weird Island
- Super Palindrome
- Two Smallests in Every Subarray
- Largest Pair Sum
- Two Swaps
- Meeting Rooms
- Count Pairs whose sum is less than target
- Union of Two Sorted Arrays with Distinct Elements
- Search in a row-wise sorted matrix
- Count Trips
- Find Only Repetitive Element from 1 to n-1
- Restricted Scoring
- Max x
- Seating Arrangement
- Bitwise Operations
- Minimum Jumps
- Can Transform ?
- Count the complement pairs
- Maximum Score
- Reverse alternate nodes in Link List
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Rearrange a linked list
- Add 1 to a Linked List Number
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Insert in Sorted Circular 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
- Delete without head pointer
- 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
- 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
- Two Stacks in an Array
- Binary Heap Operations
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological sort
- Vertical Tree Traversal
- Merge K sorted linked lists
- Find the number of islands
- Find kth element of spiral matrix
- Get Min from Stack
- Wildcard Pattern Matching
- Linked List to Binary Tree
- Check if subtree
- Extreme nodes in alternate order
- Is Binary Tree Heap
- Clone a Binary Tree
- Validate an IP Address
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Largest BST
- Interleaved Strings
- Sum of permutations
- Sorted subsequence of size 3
- Multiply two strings
- Implement Atoi
- Maximum Difference
- Palindrome Linked List
- Strongly Connected
- Print matrix in diagonal pattern
- Rat in a Maze
- Bipartite Graph
- Number of root to leaf paths
- Closest in BST
- BST with Dead End
- Pots of Gold Game
- Merge two BST 's
- Count distinct elements in every window
- Merge k Sorted Arrays
- Root to leaf paths sum
- Bridge edge in a graph
- Print Nodes having K leaves
- Find triplets with zero sum
- Sort a stack
- Top View of Binary Tree
- k-th Smallest in BST
- Level order traversal
- Peak element
- Polynomial Addition
- Delete nodes greater than k
- Merge Sort for Linked List
- Pair Sum in BST
- Root to Leaf Paths
- Complete Binary Tree
- 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
- Count the nodes at distance K from leaf
- Insert in Sorted way in a Sorted DLL
- Isomorphic Trees
- Maximum path sum
- Predecessor and Successor
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Find length of Loop
- Deletion in Circular Linked List
- Normal BST to Balanced BST
- Sum of nodes on the longest path
- Convert Level Order Traversal to BST
- ZigZag Tree Traversal
- Count Number of SubTrees
- Vertical Width of a Binary Tree
- Mother Vertex
- Ceil in BST
- Count set bits
- Maximum AND Value
- Tower Of Hanoi
- Smallest Positive Missing
- Power Of Numbers
- Wave Array
- Possible Words From Phone Digits
- Rotate and delete
- Rearrange Array Alternately
- 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
- Rotate by 90 degree
- Determinant of a Matrix
- Distance of nearest cell having 1
- Unit Area of largest region of 1's
- Subarray with 0 sum
- Subarray range with given sum
- Sort Elements by Decreasing Frequency
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- Infix to Postfix
- K Sized Subarray Maximum
- Minimum Cost of ropes
- Nearly sorted
- Activity Selection
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Combination Sum
- M-Coloring Problem
- Minimum Jumps
- Detect Cycle using DSU
- Stickler Thief
- Ways to Reach the n'th Stair
- Optimal Strategy For A Game
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Number of Unique Paths
- Sort according to an Array
- Allocate Minimum Pages
- X Total Shapes
- Zero Sum Subarrays
- Find whether path exist
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Nth Catalan Number
- Rotten Oranges
- Steps by Knight
- Most frequent word in an array of strings
- Maximize The Cut Segments
- Print Anagrams Together
- Rotate by 90 degree
- Top K Frequent in Array
- Closest Three Sum
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- Generate Parentheses
- Word Search
- Prerequisite Tasks
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Paths to reach origin
- 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
- Maximize Number of 1's
- Equivalent Sub-Arrays
- Single Among Doubles in a Sorted
- Consecutive 1's not allowed
- Split the Array
- Count Occurences of Anagrams
- Count of Subarrays
- Single Among Doubles
- Pythagorean Triplet
- Happiest Triplet
- Painting the Fence
- Pair Sum Closest to 0
- Search in Rotated Sorted Array
- Count pairs Sum in matrices
- Sum of bit differences
- Print Binary Tree levels in sorted order
- Max Score from Subarray Mins
- Form the Largest Number
- Alternate Vowel and Consonant String
- 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
- Row with max 1s
- Check if frequencies can be equal
- Column name from a given column number
- Substrings with K Distinct
- Form a palindrome
- Rotate a Matrix
- Longest Subarray with Sum K
- Number of positive integral solutions
- Sum of two large numbers
- Max Sum without Adjacents
- Beautiful SubSequence
- Factorials of large numbers
- Reverse each word in a given string
- Find the N-th character
- Length of the longest substring
- k largest elements
- Sum of XOR of all pairs
- Longest Common Substring
- Smallest distinct window
- Longest substring with distinct characters
- Count of substrings containing K ones
- Longest Substring with K Uniques
- Longest Palindrome in a String
- Valid Expression
- K-th element of two Arrays
- Triplets with Smaller Sum
- Rod Cutting
- 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
- Minimum sum
- Not a subset sum
- Build the smallest
- Minimize the Heights II
- Transform to prime
- First and Last Occurrences
- Reaching the heights
- Minimum Deletions
- Print N-bit binary numbers having more 1s than 0s
- Nine Divisors
- Minimum number of deletions
- Permutations of a String
- String Subsequence Game
- Count divisors of product of array elements
- Sum of Products
- Subarrays Product Less than K
- Unique Number II
- Bleak Numbers
- Ways to sum to N
- Skip the work
- Maximum calorie
- Game of XOR
- 3 Divisors
- 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
- Gold Mine Problem
- Coin Change (Minimum Coins)
- Dice throw
- Perfect Sum Problem
- Fibonacci Sum
- Power Of 2 and Subsequences
- Power Set
- Count ways to N'th Stair(Order does not matter)
- Minimum Cost To Make Two Strings Identical
- Knapsack with Duplicate Items
- nCr
- Maximum path sum in matrix
- Partition Equal Subset Sum
- Longest Bitonic subsequence
- Min Coin
- Get Minimum Squares
- Count possible ways to construct buildings
- Count digit groupings of a number
- Array Pair Sum Divisibility Problem
- Subset Sums
- Prime Pair with Target Sum
- Count Numbers in Range
- Number of paths
- Knight Walk
- Number of paths in a matrix with k coins
- LCM Triplet
- Count Total Setbits
- Find nth root of m
- Find Prime numbers in a range
- Game with String
- Numbers with alternative 1's
- Smith Number
- Next Permutation
- Prime factorization and geek number
- Smaller on Left
- How Many X's?
- Power of k in factorial of n
- Composite and Prime
- Total Decoding Messages
- Stream First Non-repeating
- Count Divisors
- Kth Largest in a Stream
- Geek and Strings
- Satisfy the equation
- Product of Primes
- Transitive closure of a Graph
- Replace O's with X's
- Two odd Occuring
- Find all distinct subset (or subsequence) sums
- Rohan's Love for Matrix
- Traverse All Edges And Vertices
- Find the string in grid
- Reverse Delete Algorithm for Minimum Spanning Tree
- Help a Thief!!!
- Floyd Warshall
- Negative weight cycle
- Flood fill Algorithm
- Techfest and the Queue
- Largest subsquare surrounded by X
- Shortest Source to Destination Path
- Height Using Parent Array
- Reverse Spiral Form of Matrix
- Geek in a Maze
- Spiral Matrix
- Valid Pair Sum
- Triplets in Sorted Linked List
- Restrictive Candy Crush
- Help Classmates
- Valentine Sum
- Lucy's Neighbours
- Jump Game
- Iterative Inorder
- Triplets with sum with given range
- Preorder traversal (Iterative)
- Iterative Postorder
- Subset Sum Problem
- Form a palindrome
- All Palindromic Partitions
- Covid Spread
- 3 Sum Closest
- Bellman-Ford
- Subarrays with sum K
- Remove BST keys outside given range
- Minimum XOR value pair
- Capacity To Ship Packages Within D Days
- Rearrange characters
- Remove K Digits
- Substrings of length k with k-1 distinct elements
- Maximum XOR of two numbers in an array
- Count pairs in array divisible by K
- Number of Provinces
- Prefix match with other strings
- Maximum sum leaf to root path
- Find duplicate rows in a binary matrix
- Maximum sum of elements not part of LIS
- BST to greater sum tree
- Paths from root with a specified sum
- Shortest Prime Path
- Shortest Prime Path
- 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
- Design Twitter
- IPL 2021 - Match Day 2
- Sum Distance K in Tree
- Unique Number III
- All Unique Permutations of an array
- Course Schedule
- Clone an Undirected Graph
- Maximum Time
- Min Cost Climbing Stairs
- Target Sum
- Overlapping Intervals
- Longest Possible Route in a Matrix with Hurdles
- Reverse a Stack
- Maximum product subset of an array
- Maximum Meetings in One Room
- Buy Maximum Stocks
- Exactly one swap
- Maximum Winning score
- Levels Of Game
- Smallest sum contiguous subarray
- Max Sum without Adjacents 2
- Validate Stack Operations
- Calculate the coefficient
- Expression contains redundant bracket or not
- Graph is Tree or Not
- Geek fight
- Minimum Cost Car
- Minimize connections
- Maximum selections
- Next element with greater frequency
- Sum of nodes within k distance from target
- Sort a k sorted doubly linked list
- Construct Binary Tree from String with bracket representation
- 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
- Pattern
- Path With Minimum Effort
- Cheapest Flights Within K Stops
- Connecting the graph
- Shortest Path in Undirected Graph
- Maximum Stone Removal
- Shortest path in Directed Acyclic Graph
- Majority Element - More Than n/3
- Sum of Beauty of All Substrings
- Koko Eating Bananas
- Search in Rotated Array 2
- Count Good numbers
- Longest subarray with Atmost two distinct integers
- Maximum Consecutive Ones
- Count Subarray with k odds
- Count Substring
- Binary subarray with sum
- Sum of subarray minimums
- Frog Jump
- Asteroid Collision
- Minimal Cost
- Geek's Training
- Grid Path 2
- Maximum point you can obtain from cards
- Subarrays with K Distinct Integers
- Stock Buy and Sell – with Cooldown
- Combination Sum III
- Aggressive Cows
- Smallest Divisor
- Subset II
- Check if there exists a subsequence with sum K
- Next Greater Element 2
- Number of greater elements to the right
- Shortest Path in Weighted undirected graph
- Prime Factorization using Sieve
- Prefix to Infix Conversion
- Prefix to Postfix Conversion
- Minimum days to make M bouquets
- Generate all binary strings
- Delete all occurrences of a given key in a doubly linked list
- Postfix to Prefix Conversion
- Postfix to Infix Conversion
- Task Scheduler
- Hands of Straights
- Minimum Absolute Difference In BST
- Buy Stock with Transaction Fee
- Number of Longest Increasing Subsequence
- Maximum Sum Combination
- Non-overlapping Intervals
- Stickler Thief II
- Replace elements by its rank in the array
- Convert Min Heap to Max Heap
- Insert Interval
- Shortest Job first
- Partition Array for Maximum Sum
- Count Square Submatrices with All Ones
- Count Number of Nodes in a Binary Tree
- Introduction to DP
- Longest String Chain
- Print Longest Increasing Subsequence
- Partitions with Given Difference
- Index of the First Occurrence of pattern in a text
- Floor in BST
- Triangle Path Sum
- Largest Divisible Subset
- Minimize number of Students to be removed
- Maximum Value
- Shortest Prime Path
- Absolute difference divisible by K
- Make array elements unique
- Next Greater Element in Circular Array
- Minimum X (xor) A
- Find the longest string
- Minimum repeat to make substring
- Paint N Houses
- Max Sum without Adjacents
- BST Downward Traversal
- Prime List
- Walls Coloring
- Water the plants
- Connect Nodes at Same Level
- Unique Paths in a Grid
- Fill the Matrix
- Number of Good Components
- Optimal Array
- Geek hates too many 1s
- Bheem Wants Ladoos
- Smaller Sum
- BST Maximum Difference
- Another Coin Change Problem
- Maximum subset sum
- Gathering Boulders
- Find Kth permutation
- Remove the balls
- Minimum Distance Graph
- Odd Triplets
- Plucking Flowers
- Empty the String
- New Year Resolution
- Grinding Geek
- Flatten BST to sorted list
- Three Sum
- Count Subarrays with given XOR
- Count pairs with given sum
- Connected Components in an Undirected Graph
- Find All Triplets with Zero Sum
- Split array in three equal sum subarrays
- Search in an almost Sorted Array
- Count Valid Pairs
- Subset XOR
- Merge k Sorted Arrays
- Subarrays With At Most K Distinct Integers
- K Closest Points to Origin
- Total Hamming Distance
- Longest Bounded-Difference Subarray
- The Knight's tour problem
- Divisible by 13
- Count Unique Vowel Strings
- ASCII Range Sum
- Design MinMax Queue
- Unique K-Number Sum
- Sum of Nodes in BST Range
- K closest Values
- 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
- Serialize and deserialize a binary tree
- Max rectangle
- Subtraction in Linked List
- Distinct occurrences
- LRU Cache
- Alien Dictionary
- Nodes at given distance in binary tree
- Fixing Two nodes of a BST
- String Permutations
- Trapping Rain Water
- 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
- Word Ladder I
- Median of 2 Sorted Arrays of Different Sizes
- Burning Tree
- The Painter's Partition Problem-II
- Palindrome SubStrings
- Search Pattern
- Longest Prefix Suffix
- Number of distinct subsequences
- Wildcard string matching
- Longest repeating and non-overlapping substring
- Sub-arrays with equal number of occurences
- Edit Distance
- Minimum sum partition
- Palindromic Partitioning
- Stock Buy and Sell – Max K Transactions Allowed
- Matrix Chain Multiplication
- Bit Difference
- Median in a row-wise sorted Matrix
- Generalised Fibonacci numbers
- Boolean Parenthesization
- Possible Paths in a Tree
- Word Break - 2
- N-Queen Problem
- Brackets in Matrix Chain Multiplication
- Articulation Point - II
- Travelling Salesman Problem
- Let's Play!!!
- Search Pattern (Rabin-Karp Algorithm)
- Minimum X (xor) A
- Find all Critical Connections in the Graph
- Sorted Linked List to BST
- Longest Increasing Path in a Matrix
- Reverse a sublist of a linked list
- Word Ladder II
- Distribute candies in a binary tree
- Split Array Largest Sum
- Scrambled String
- Articulation Point - I
- Stock Buy and Sell – Max 2 Transactions Allowed
- Largest rectangular sub-matrix whose sum is 0
- Vertex Cover
- Maximum Triple Product
- Maximum Connected group
- Minimum travel time
- MaxSkill
- Minimize Max Distance to Gas Station
- LFU cache
- Candy
- Chocolates Pickup
- Better String
- Fixing Two swapped nodes of a BST
- Geekina Hate 1s
- Making A Large Island
- Find Length of Linked List
- Size of Binary Tree
- Postorder Traversal
- Queue Using Array
- Preorder Traversal
- Sum Except First and Last
- Linked List Insertion At End
- Is Linked List Length Even?
- Triplet Family
- Bit Difference
- Number is sparse or not
- Print 1 To N Without Loop
- Sorted Array Search
- Reverse a String
- First n Fibonacci
- Searching in an Array
- Alternative Sorting
- Quick Left Rotation
- Rotate Array by One
- One odd Occuring
- Rotating an Array
- Min and Max in Array
- 1s Complement
- Odd or Even
- Check set bits
- One's Complement
- Find position of set bit
- Set kth bit
- Set the rightmost unset bit
- Numbers having alternate bits
- Binary number to decimal number
- Swap two numbers
- Max Min
- Pattern 7
- Pattern 8
- Pattern 10
- Pattern 11
- Pattern 13
- Valid Triangle