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Python, C++, C, Java
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237 submissions in current year
SCHOOL (2)
BASIC (167)
EASY (503)
MEDIUM (445)
HARD (48)
- Continuous Series
- Check for Sum
- Pairs of Adjacent elements
- Cost of String
- Check Matrix Sum
- Reverse a linked list
- Frequency in a Linked List
- Pairwise swap elements of a linked list
- Linked list of strings forms a palindrome
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Split a Linked List into two halves
- 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
- 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
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Postorder Traversal
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Stack using Linked List
- Implement stack using array
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Root to leaf path sum
- Square Root
- Nodes without a Sibling
- 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
- Unique rows in boolean matrix
- Toeplitz matrix
- Remove every k'th node
- Leaves at Same Level or Not
- Josephus problem
- You and your books
- Max distance between same elements
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Special Stack
- Three way partitioning
- Inorder Successor in BST
- Index of an Extra Element
- Insert in a Sorted List
- Split Linked List Alternatingly
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Max and min element in Binary Tree
- Reverse Using Stack
- XOR of a given range
- Symmetric Tree
- Delete Alternate Nodes
- Count Pairs whose sum is equal to X
- Depth of node
- Find length of Loop
- Median of BST
- Leaf under budget
- Linked List Matrix
- Maximum Pairwise Computed Value
- Queue Reversal
- Reverse first K of a Queue
- Remove Half Nodes
- Closest Neighbour in BST
- Brothers From Different Roots
- Delete Mid of a Stack
- C++ Multi-level inheritance
- The New Line
- Data Types
- Taking input
- Learn to Comment
- GetLine and Ignore
- Learning to be precise
- Bitwise Operators
- Even Odd
- For Loop- primeCheck
- While loop- printTable
- Learning Macros
- Step by Step Condition
- Start Coding - Java
- The New Line - Java
- Learn to Comment - Java
- Swap the array elements
- Predict the Column
- Xoring and Clearing
- Swap values using References
- Swap the objects
- Two Dimensional World
- Learning Structs
- Delete Array
- Pair Sum in Vector
- Reverse an Array
- Frequency in Queue
- Get min at pop
- Frequency Game
- Repetitive Printing - Python
- Operators in Python
- Split the input - Python
- Comment in Python
- Logical Operators - Python
- Increment and Decrement - Python
- Bitwise Operators - Python
- If conditional statement- Python
- Check the status - Python
- Mark Even and Odd - Python
- For loop - Python
- For Loop 2- Python
- While loop in Python
- Jumping through While - Python
- Slicing in String - Python
- Repeat the Strings - Python
- String Functions - II - Python
- String Functions I - Python
- Intro to Lists - Python
- Count Even Odd - Python
- Functions in Lists - Python
- Average_Min_Max - Python
- Mean Finder
- Intro to Dictionary - Python
- Neighbour of 10
- Dictionary in Python - II
- Dictionary in Python - III
- Set in Python - I
- Set in Python - II
- Is and In Operator
- sep and end in Print()
- Max and Second Max
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Mean And Median of Array
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Count 1's in binary array
- Floor in a Sorted Array
- Roof Top
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Matrix Boundary Traversal
- Naive Pattern Search
- Anagram
- Winner of an election
- String Rotated by 2 Places
- Isomorphic Strings
- Most Frequent Character
- Reverse Words
- Panagram Checking
- Repeating Character
- Non Repeating Character
- Parenthesis Checker
- Generate Binary Numbers
- K largest elements
- Minimum Cost of ropes
- N meetings in one room
- Digital Root
- Count ways to N'th Stair
- Count number of hops
- Uppercase to Lowercase
- Rotate Deque By K
- First Repeating Element
- Union of Arrays with Duplicates
- Count Elements Greater Than X
- Count Smaller Than X
- Find Immediate Smaller Than X
- Array Update At Index
- Array Delete And Shift
- Is Array Sorted
- Find Immediate Greater Than X
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Reverse The Array
- Intersection of Arrays with Distinct
- Max Value Permutation
- Missing And Repeating
- Count the elements
- Find Kth Rotation
- Find the closest number
- k sorted array
- Adding Ones
- Common in 3 Sorted Arrays
- Sorted and Rotated Minimum
- 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
- Chocolate Distribution Problem
- Find Pair Given Difference
- Pairs with difference k
- Swap and Maximize
- Bitonic Point
- Left most and right most index
- Single Number
- Alternate Positive Negative
- Remaining String
- Kth distance
- Palindrome Sentence
- Count Alphabets
- Remove Duplicates
- Convert the string
- Nearest multiple of 10
- Reorganize The Array
- Facing the sun
- Second Largest
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Rotate Bits
- Find all pairs with a given sum
- Number of occurrence
- K-Pangrams
- Reversing the equation
- Does array represent Heap
- Modify the Array
- Convert an array to reduced form
- Check if array is sorted
- Sum Pair closest to target
- Find missing in second array
- Longest Common Prefix of Strings
- First Repeated Character
- Substrings with same first and last characters
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Play With OR
- Tywin's War Strategy
- At Least K Occurrences
- Count the Zeros
- Multiply by 11
- Maximum sum of subarray less than or equal to x
- Palindrome String
- Total count
- K-th missing element
- Pair with given sum in a sorted array
- Print Bracket Number
- Odd Even Problem
- Binary representation of next number
- Largest number in one swap
- Padovan Sequence
- Extract the Number from the String
- Minimum Operations
- Divisibility by 8
- Number of 1 Bits
- Find the Highest number
- Armstrong Numbers
- Midori and chocolates
- Remove minimum number of elements
- Reverse Bits
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Ceil The Floor
- Swap two nibbles in a byte
- Copy Set Bits in Range
- Count Digits
- Palindrome
- Maximum Sum Problem
- Party of Couples
- Sum 1 to n Divisors
- Count numbers containing 4
- Assign Mice Holes
- Print Square Wall 2
- Check Prime
- Reach the Nth point
- Perfect Numbers
- AP Term
- Average
- Factorials Less than or Equal to n
- C++ Exception Handling
- Largest number possible
- Page Faults in LRU
- Recamans sequence
- The Palindrome Pattern
- Compare two fractions
- Form a number divisible by 3 using array digits
- Least Prime Factor
- Sum of First N Natural Numbers
- Prime Factors
- Recursive sequence
- Juggler Sequence
- Summed Matrix
- Maximum Diamonds
- Arithmetic Number
- Row with Minimum 1s
- Make Zeroes
- Surround the 1's
- Count Primes In Range
- Coverage of all Zeros in a Binary Matrix
- Inorder Traversal and BST
- Letters Collection
- Right Angle Triangle
- Right Angle Triangle 2
- Array Traversal Reverse
- Sum All Array Elements
- Decrement Array Values
- Design a class
- Constructor Overloading
- Addition
- Even Odd Game
- First Digit of a Number
- Calculator
- Count Digits
- Print Pattern
- Type Conversion
- Array to BST
- Sum of dependencies in a graph
- Print Diagonally
- Lambda Expression in C++
- Incrementing a variable
- Add two numbers
- Add two complex numbers
- Return Size
- Compute a/b
- Kth call
- Add - Auto Keyword
- Global variable
- Find Volume
- CPP Substring
- Address Operator
- Even and Odd
- Search insert position of K in a sorted array
- Type Inference
- Sum - Default Arguments
- Queue using stack
- Marks Allotment
- Check if a String is Subsequence of Other
- 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
- Can Make Triangle
- Beautiful Number
- Maximum Number
- Complete the Staircase
- Choice
- Pattern 2
- Pattern 3
- Pattern 4
- Pattern 14
- Pattern 15
- Pattern 16
- 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
- All divisors of a Number
- Find XOR of numbers from L to R.
- Stock Buy and Sell – Max one Transaction Allowed
- Outermost Parentheses
- Maximum Depth Of Binary Tree
- Divisor Game
- Search in Linked List
- Assign Cookies
- Array to Linked List
- Bit Manipulation
- Introduction to Trees
- Binary Search Trees
- Unique Binary Tree Requirements
- Last modified ball
- Find the first node of loop in linked list
- Min operations
- Minimum Passes
- Last cell in a Matrix
- Balloon Everywhere
- Save Civilians
- Range OR
- Cutting Rectangles
- Make Array Elements Equal
- Equal Left and Right Subarray Sum
- Make the array beautiful
- Is it Fibonacci
- Nice Array
- Calculate The Work Done
- Taxi Booking
- Binary matrix having maximum number of 1s
- Number of Subarrays of 0's
- Maximum Identical Bowls
- Bus Conductor
- Wifi Range
- Minimum Number
- Minimum Integer
- Seating Arrangement
- String Mirror
- Maximize Sum
- Make Palindrome
- Geekina loves order
- Total Cuts
- Bit Magic
- Array Operations
- Dominant Pairs
- Valuable String
- Special Array
- Accept The Challenge
- Antique Collections
- How Many Meets
- Binary Array
- Geekina and Log
- Strong Students in School
- Refueling
- Minimum Thorns
- Ticket Counter
- Geek's Plants
- Happy Friends
- Weight Problem
- Unique Number of Occurrences
- Unique Positions
- What Mean do you Mean?
- Sorting Items
- Balloon Everywhere
- Minimise the Distance
- Max Splits
- Maximum Number
- Check Anagram Existence
- Beautiful Number
- Strong Students in School
- Complete the Staircase
- Silver and Gold
- Even Sum
- High Frequency
- Weird Island
- Same characters
- Find Bots on Geeklandster
- Is it a Leap Year
- Negative Prefix
- Build Adjacency List
- Maximum occurring digit
- Strong Students in School
- Nearest Perfect Square
- Geek & Geekina Purchasing Ice Cream
- The Final Task
- Is it a Leap Year
- Virus Infection
- Antique Collections
- Minimum Distance
- Maximum Distance
- Return To Root
- Magic Array
- Not a palindromic string
- Chocolate Distribution
- Equality
- Minimum Number of Elements
- XOR GAME
- Check for Consecutive
- Prefix Distinct
- Frequency of every Element
- Eye's Contact
- Super Palindrome
- Find Mode in BST
- Bob's Impression
- Reach Alice
- Two Smallests in Every Subarray
- Split an array into two equal Sum subarrays
- Largest Pair Sum
- First Word
- Geekland Tax Calculator
- Perfect Meeting
- Winner Team
- Two Swaps
- Maximize partitions in a String
- Meeting Rooms
- Count Pairs whose sum is less than target
- Union of Two Sorted Arrays with Distinct Elements
- Intersection of Two arrays with Duplicate Elements
- Search in a row-wise sorted matrix
- Find Only Repetitive Element from 1 to n-1
- Unique Number I
- Sorting Elements of an Array by Frequency
- 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
- Insert in Sorted Circular Linked List
- 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
- Merge two sorted linked lists
- Sum Tree
- 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
- Two Stacks in an Array
- 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
- Max sum in the configuration
- Get Min from Stack
- Gas Station
- Linked List to Binary Tree
- Kth smallest element in a Matrix
- Is Binary Tree Heap
- Validate an IP Address
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Additive sequence
- Largest BST
- 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
- BST with Dead End
- Merge two BST 's
- Count distinct elements in every window
- Root to leaf paths sum
- Bridge edge in a graph
- Find triplets with zero sum
- Sort a stack
- Top View of Binary Tree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Level order traversal
- Peak element
- Merge Sort for Linked List
- Euler Circuit in an Undirected Graph
- Ancestors in Binary Tree
- Binary Tree to CDLL
- Pair Sum in BST
- Root to Leaf Paths
- Populate Inorder Successor for all nodes
- Counting elements in two arrays
- Linked List that is Sorted Alternatingly
- K Sum Paths
- 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
- Maximum path sum
- Predecessor and Successor
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Deletion and Reverse in Circular Linked List
- Duplicate Subtrees
- Sum of nodes on the longest path
- ZigZag Tree Traversal
- Vertical Width of a Binary Tree
- Cat and Hat
- Nearest Power
- Doge
- Swap Kth nodes from ends
- Maximum Non-Adjacent Nodes Sum
- Ceil in BST
- Count set bits
- Gray to Binary Conversion
- Tower Of Hanoi
- Smallest Positive Missing
- Power Of Numbers
- Maximum occured integer
- Wave Array
- Possible Words From Phone Digits
- 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
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Count the number of possible triangles
- Merge Without Extra Space
- Make Matrix Beautiful
- 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
- Subarray with 0 sum
- Subarray range with given sum
- Subarrays with equal 1s and 0s
- Sort Elements by Decreasing Frequency
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Case-specific Sorting of Strings
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- Infix to Postfix
- K Sized Subarray Maximum
- Nearly sorted
- Activity Selection
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Largest number in K swaps
- Combination Sum
- Unique Subsets
- M-Coloring Problem
- Minimum Jumps
- Stickler Thief
- Ways to Reach the n'th Stair
- 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
- Kth Smallest
- Rotten Oranges
- Container With Most Water
- 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
- Pascal Triangle
- Number of subarrays with maximum values in given range
- Sum of Subarrays
- Longest Span in two Binary Arrays
- Maximize Number of 1's
- Sum of Middle elements of two sorted arrays
- Single Among Doubles in a Sorted
- Consecutive 1's not allowed
- Split the Array
- Count Occurences of Anagrams
- Single Among Doubles
- Pythagorean Triplet
- Search in Rotated Sorted Array
- Count pairs Sum in matrices
- 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
- Form a palindrome
- Nuts and Bolts Problem
- Longest Subarray with Sum K
- Count the Reversals
- Cutting Binary String
- Sum of two large numbers
- Factorials of large numbers
- Shuffle integers
- 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
- Longest Common Substring
- Smallest distinct window
- 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
- Arranging the array
- Rod Cutting
- K closest elements
- Missing element of AP
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- First negative in every window of size k
- Find k-th character in string
- Equalize the Towers
- Minimum sum
- Not a subset sum
- Minimize the Heights II
- Transform to prime
- First and Last Occurrences
- Print N-bit binary numbers having more 1s than 0s
- Nine Divisors
- Permutations of a String
- Number following a pattern
- CamelCase Pattern Matching
- Sum of Products
- Unique Number II
- Game of XOR
- Largest prime factor
- Modified Game of Nim
- Minimum number of deletions and insertions
- Coin Change (Count Ways)
- Mobile numeric keypad
- Coin Change (Minimum Coins)
- Perfect Sum Problem
- Smallest number
- Next Prime Number
- Power Set
- Knapsack with Duplicate Items
- nCr
- Partition Equal Subset Sum
- Longest Bitonic subsequence
- Array Pair Sum Divisibility Problem
- Matchsticks game
- Subset Sums
- Prime Pair with Target Sum
- Permutation with Spaces
- LCM Triplet
- Find nth root of m
- Game with String
- Smith Number
- Multiply 2 matrices
- Next Permutation
- Smaller on Left
- Rotate matrix elements clockwise
- Maximum sum of hour glass
- How Many X's?
- Power of k in factorial of n
- Exit Point in a Matrix
- Rotate Each Row of Matrix K Times
- Decode the string
- Is Sudoku Valid
- Stream First Non-repeating
- Number of Rectangles in a Circle
- Replace O's with X's
- Two odd Occuring
- Find the string in grid
- Count the paths
- Floyd Warshall
- Negative weight cycle
- Flood fill Algorithm
- Techfest and the Queue
- Largest subsquare surrounded by X
- Police and Thieves
- Save Your Life
- Spiral Matrix
- Help Classmates
- Spidey Sense
- Iterative Inorder
- Preorder traversal (Iterative)
- Iterative Postorder
- Subset Sum Problem
- All Palindromic Partitions
- Bellman-Ford
- Subarrays with sum K
- Remove BST keys outside given range
- Capacity To Ship Packages Within D Days
- Substrings of length k with k-1 distinct elements
- Construct list using given q XOR queries
- Number of Provinces
- Prefix match with other strings
- Find duplicate rows in a binary matrix
- Paths from root with a specified sum
- Division without using multiplication, division and mod operator
- 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
- Min Cost Climbing Stairs
- Minimum times A has to be repeated such that B is a substring of it
- Overlapping Intervals
- Even Swap
- Reverse a Stack
- K-th Largest Sum Contiguous Subarray
- Maximum Meetings in One Room
- Max Equal sum of 3 Stacks
- Buy Maximum Stocks
- Exactly one swap
- Interleave the First Half of the Queue with Second Half
- Find shortest safe route in a matrix
- Minimum Cost to cut a board into squares
- Graph is Tree or Not
- Minimize connections
- Next element with greater frequency
- 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
- Shortest Path in Undirected Graph
- Maximum Stone Removal
- Shortest path in Directed Acyclic Graph
- Majority Element - More Than n/3
- Koko Eating Bananas
- Search in Rotated Array 2
- Longest subarray with Atmost two distinct integers
- Maximum Consecutive Ones
- Sum of subarray minimum
- Frog Jump
- Minimal Cost
- Geek's Training
- Combination Sum III
- Aggressive Cows
- Smallest Divisor
- Subset II
- Combination Sum II
- Number of greater elements to the right
- Combination Sum II
- Shortest Path in Weighted undirected graph
- Prime Factorization using Sieve
- Prefix to Infix Conversion
- Prefix to Postfix Conversion
- Word Search
- 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
- Minimum Absolute Difference In BST
- Lemonade Change
- Non-overlapping Intervals
- Stickler Thief II
- Insert Interval
- Shortest Job first
- Longest String Chain
- Print Longest Increasing Subsequence
- Bit's basic operations
- Partitions with Given Difference
- Index of the First Occurrence of pattern in a text
- Floor in BST
- Triangle Path Sum
- Largest Divisible Subset
- Next Greater Element in Circular Array
- Minimum repeat to make substring
- Length of the longest subarray with positive product
- Minimum Days
- Prime List
- Connect Nodes at Same Level
- Valid Compressed String
- Number of Good Components
- Optimal Array
- Shy Geek
- Count Special Numbers
- Minimum Steps Required
- Distribute Chocolates
- Maximum Triplet product
- Distinct Difference
- Geek hates too many 1s
- Maximum Length
- Remove the balls
- Prefix Suffix String
- Smaller Sum
- Nearest smaller tower
- Max Coins
- Palindrome with minimum sum
- Help Big Pig
- Modify Linked List-1
- Gathering Boulders
- Find Kth permutation
- Fraction pairs with sum 1
- Empty the String
- Shortest Subarray with Sum K
- Fest and Posters
- Flatten BST to sorted list
- Equalize the Distribution
- Pairs violating the BST property
- Kth common ancestor in BST
- Arranging Horses
- Find Max Inversions
- 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
- Count pairs with given sum
- 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
- Implement Pow
- Subarrays With At Most K Distinct Integers
- K Closest Points to Origin
- Longest Bounded-Difference Subarray
- Divisible by 13
- Lexicographically Largest String After K Deletions
- Count Unique Vowel Strings
- ASCII Range Sum
- Design MinMax Queue
- Unique K-Number Sum
- Sum of Nodes in BST Range
- Linked List Group Reverse
- 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
- LRU Cache
- Alien Dictionary
- Fixing Two nodes of a BST
- String Permutations
- Trapping Rain Water
- Max Circular Subarray Sum
- Pattern Search
- Smallest window containing all characters
- Histogram Max Rectangular Area
- Max of min for every window size
- Find median in a stream
- Solve the Sudoku
- Strongly connected component (Tarjans's Algo)
- Word Ladder I
- Median of 2 Sorted Arrays of Different Sizes
- Burning Tree
- Next Smallest Palindrome
- Count Pairs in an Array
- Palindrome SubStrings
- Search Pattern
- Matrix Chain Multiplication
- Median in a row-wise sorted Matrix
- Boolean Parenthesization
- Longest valid Parentheses
- N-Queen Problem
- Articulation Point - II
- Search Pattern (Rabin-Karp Algorithm)
- Find all Critical Connections in the Graph
- Word Ladder II
- Split Array Largest Sum
- Find number of closed islands
- Articulation Point - I
- Min Chars to Add for Palindrome
- Largest rectangular sub-matrix whose sum is 0
- Longest Path in a Directed Acyclic Graph
- Maximum Connected group
- Count Reverse Pairs
- Candy
- Account Merge
- Chocolates Pickup
- Making A Large Island
- Sum of Mode
- Print Linked List
- Find Length of Linked List
- Queue using Linked List
- Queue Using Array
- Count zeros in a sorted matrix
- Print number pattern
- Preorder Traversal
- First Occurence
- Search a node in BST
- Palindromic Array
- Multiply Matrices
- Linked List Insertion At End
- Minimum element in BST
- Is Linked List Length Even?
- Identical Linked Lists
- Triplet Family
- C++ Classes Introduction
- C++ Inheritance introduction
- Start Coding
- The Size of
- Logical Operators
- Count Odd and Even
- Queue Push & Pop
- Start Coding - Python
- Space Seperated - Python
- Concatenating Strings - Python
- Taking input and typecasting - Python
- Taking input - Python
- Comparison Operators - Python
- Zero Converter - Python
- Welcome aboard - Python
- Iterating through Lists - Python
- Two digit Sum
- AweSum
- Who has the majority?
- Array insert at index
- Array insert at end
- Struct area
- Bit Difference
- Print 1 To N Without Loop
- Array Search
- Sorted Array Search
- Adding two matrices
- Multiply the matrices
- Fibonacci Using Recursion
- Length of String
- Count Distinct Vowels in String
- Count Words in String
- Reverse a String
- Lowercase to Upercase
- Missing Characters in Panagram
- Vector insertion
- First n Fibonacci
- Get Element At Index
- Maximum and Minimum In Array
- Print Linked List
- Sum The Nodes of Linked List
- Maximum And Minimum In Linked List
- Search In Linked List
- C++ Hello World
- Sum of Natural Numbers
- Doubling the value
- Alternative Sorting
- Remove all characters other than alphabets
- Value equal to index value
- Compare two Large Numbers
- Immediate Smaller Element
- Quick Left Rotation
- Lower case to upper case
- Repeated Character
- Find element at a given Index
- Merge two strings
- Largest Element in Array
- Rotate Array by One
- Game with nos
- Array Subset
- Rotating an Array
- C++ Strings
- Min and Max in Array
- Multiply left and right array sum
- Perfect Square String
- Red OR Green
- Snake Case
- Sort the fest
- Magical String[Duplicate Problem]
- C++ if-else (Decision Making)
- Addition of Two Numbers
- Odd or Even
- C++ Operators | Set 1 (Arithmetic)
- Set the rightmost unset bit
- LCM And GCD
- House Robber
- Maximum Area
- C++ Data Types
- Leap Year
- Check perfect square
- Factorial
- Greatest of three numbers
- Reverse digits
- Special Odd Series Sum
- Special Series Sum
- Binary number to decimal number
- Common Divisors
- Sum of elements in a matrix
- Identical Matrices
- Find difference between sum of diagonals
- Sum of first n terms
- Input Integer
- Print With Space
- Swap The Numbers
- The dice problem
- Remainder Evaluation
- Count Squares
- Matching Pair
- Table Difference
- Print Square
- Print Square wall
- Sum of N Numbers
- Divisor
- Anshuman's Favourite Number
- GCD
- For Loop - 1
- For Loop - 2
- Swap two numbers
- Height of Heap
- Half N by M
- Sum of product of x and y with floor(n/x) = y
- Squares in a Matrix
- Sums of i-th row and i-th column
- Addition of two square matrices
- Diagonal sum
- Swapping Triangles
- Count Sorted Rows
- Arithmetic Operators
- Inverted Right AngleTriangle
- Constructor
- Vowels in String
- Bitwise Right Shift
- Last Digit of a number
- Switch Statement
- LCM
- Squares Difference
- Sorted matrix
- Implement Union
- Print GeeksForGeeks with quotes
- Print Boolean value
- Size of an Array
- Maximum average among all subarrays
- Max Min
- Pattern 1
- Pattern 5
- Pattern 6
- Pattern 7
- Pattern 8
- Pattern 10
- Pattern 11
- Pattern 13
- Naughty Geek
- Naughty Geek
- Isomorphic Strings
- Who has the majority?
- Friend of x
- Naughty Geek
- Valid Strings
- Time Travel
- Geekland Elections
- Valid Triangle