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SCHOOL (4)
BASIC (162)
EASY (385)
MEDIUM (472)
HARD (84)
Nearest Perfect Square
Geek and his Marks
Geek-onacci Number
Geek and Function |V
Class Test
Nearest Zero
Reverse a linked list
Frequency in a Linked List
Pairwise swap elements of a linked list
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
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
Left View of Binary Tree
Intersection Sorted Linked Lists
Find Transition Point
Queue using two Stacks
Remove Duplicates from a Sorted Linked List
Stack using two queues
Level Order in spiral form
DFS of Graph
Stack using Linked List
Insert a node in a BST
BFS of graph
Identical Trees
Square Root
Binary Search
Remove Duplicates Sorted Array
Level Order Line by Line
BST Keys in a Range
Third largest element
C++ STL | Set 2 (pair)
Josephus problem
Max distance between same elements
Delete in a Singly Linked List
Minimum distance in an Array
Array Duplicates
Special Stack
Three way partitioning
Level order traversal
Inorder Successor in BST
Index of an Extra Element
Insert in a Sorted List
More than n/k Occurrences
Counting Sort
Reverse Using Stack
Next Right Node
Find length of Loop
Find n/k th node in Linked list
Queue Reversal
Reverse first K of a Queue
Move all zeros to the front of the linked list
Delete Mid of a Stack
Product of an Array
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
Data Types - Java
Taking input - Java
Learn to Comment - Java
nextLine and next
Precise Format - Java
logical Operators - Java
Bitwise 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
Matrix Interchange
Predict the Column
Consonants and Vowels check
Count Odd Even - Java
Need Some Change - Java
Almost Equal -Java
Count the Specials - Java
Even Subsets - Java
Matrix Interchange - Java
Consonants and Vowels check - Java
Predict the Column - Java
Swap values using References
Sum of Big Integers
Pair Sum in Vector
Student of the Year
Reverse an Array
Get min at pop
Deque Implementations
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
Classes and Objects - Python
Intro to Dictionary - Python
Dictionary in Python - II
Dictionary in Python - III
Is and In Operator
sep and end in Print()
Max and Second Max
Hashing for pair - 1
Hashing for pair - 2
Inorder traversal of a BST
First Set Bit
Rightmost different bit
K-th Bit is Set or Not
Factorial Of Number
Digits In Factorial
GP Term
Primality Test
Longest Consecutive 1's
Exactly 3 Divisors
Mean And Median of Array
Modular Inverse
Power of 2
Swap all odd and even bits
Minimum adjacent difference in a circular array
Wave Array
Frequencies in a Limited Array
Equilibrium Point
Array Leaders
Count 1's in binary array
Floor in a Sorted Array
Minimum Number in a sorted rotated array
Roof Top
Intersection of two sorted arrays
Closet 0s 1s and 2s
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
Interchanging the rows of a Matrix
Reversing the columns of a Matrix
Matrix Boundary Traversal
Exchange matrix columns
Separate chaining in Hashing
Naive Pattern Search
Linear Probing in Hashing
Quadratic Probing in Hashing
Count Non-Repeated Elements
Print Non-Repeated Elements
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
Removing consecutive duplicates
Removing consecutive duplicates - 2
Parenthesis Checker
Generate Binary Numbers
K largest elements
Minimum Cost of ropes
N meetings in one room
Largest number with given sum
Count Total Digits in a Number
Digital Root
Power Set Using Recursion
Union-Find
Count number of hops
Rotate Deque By K
First Repeating Element
Union of Arrays with Duplicates
Check Equal Arrays
Nth number made of prime digits
Numbers containing 1, 2 and 3
Positive Negative Pair
Find Immediate Smaller Than X
Missing in Array
Product array puzzle
Roman Number to Integer
Intersection of Arrays with Distinct
Max Value Permutation
Missing And Repeating
Find the closest number
k sorted array
Pairs with certain difference
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
Min sum formed by digits
Minimize the sum of product
Missing number
Chocolate Distribution Problem
Count pairs Sum in matrices
Find Pair Given Difference
Bitonic Point
Left most and right most index
Smallest subarray with sum greater than x
Alternate Positive Negative
Rearrange a string
Facing the sun
Second Largest
Convert array into Zig-Zag fashion
Two Sum - Pair with Given Sum
Rotate Bits
Rearrange to Make arr[i] = i
Find all pairs with a given sum
Number of occurrence
Reversing the equation
Longest common prefix
Convert an array to reduced form
Check if array is sorted
Sum Pair closest to target
Longest Common Prefix of Strings
Counts Zeros Xor Pairs
Substrings with same first and last characters
Two sum -Pairs with 0 Sum
Hungry Pizza Lovers
At Least K Occurrences
Find the closest pair from two arrays
Maximum sum of increasing order elements from n arrays
Merge two binary Max heaps
Four Elements
Palindrome String
Maximum average subarray
Pair with given sum in a sorted array
Balanced string
Shop in Candy Store
Partition a number into two divisible parts
Adding Array Elements
Number of 1 Bits
Armstrong Numbers
Midori and chocolates
Max Sum Subarray of size K
Nth Fibonacci Number
Change Bits
Ceil The Floor
Party of Couples
Find sum of divisors
Sieve of Eratosthenes
Assign Mice Holes
The Bit Game
Swap bits
Reach the Nth point
Number Of Open Doors
Break a number
Perfect Numbers
Nth item through sum
Palindrome numbers
Smallest number with sum of digits as N and divisible by 10^N
Maximize Toys
Largest number possible
Trailing zeroes in factorial
Find nth root of m
Circular Prime Number
Tom and Jerry
Arithmetic Number
Make Zeroes
Multiply two polynomials
Inorder Traversal and BST
Help the Old Man!!!
Primes sum
Print the pattern
K-Ary Tree
Check if it is possible to convert one string into another with given constraints
Minimum Exchange
Array to BST
Ball coloring
Rearrange Geek and his Classmates
Fraction Trouble
Sum of k smallest elements in BST
Gadgets of Doraland
Plus One
Sum of two numbers without using arithmetic operators
Minimum steps to make product equal to one
Even and Odd
Search insert position of K in a sorted array
Queue using stack
Binary Search in forest
Minimum Difference in an Array
Maximum number of 2X2 squares
Aterps Game
Array Sum
Minimum Swaps
Checkmate
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
Can Make Triangle
Matrix Operations
Find pairs with given sum in doubly linked list
Triangle and Square
Palindromic array
Seating Arrangement
Minimum Integer
Balloon Everywhere
Min operations
Maximum Frequency
Police Station
Pattern 2
Pattern 3
Pattern 4
Fibonacci series up to Nth term
Stock Buy and Sell – Max one Transaction Allowed
Search in Linked List
Array to Linked List
Introduction to Doubly Linked List
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
Make Array Elements Equal
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
Wifi Range
Minimum Integer
Total Traversal Time
Magic and toy shop
Unique Number of Occurrences
Separate Stone
Balloon Everywhere
GCD 1
Unique Largest element
Increment or Decrement
Return To Root
Find fun(x)
Minimum Number of Elements
Count pairs with given sum
Count Pairs whose sum is less than target
Intersection of Two arrays with Duplicate Elements
Search in a row-wise sorted matrix
Rank of Matrix
The Conversion To One
Get the Shadow
Finding the Coolest
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
Detect Loop in linked list
QuickSort on Doubly Linked List
Count BST nodes that lie in a given range
Merge Sort
Quick Sort
Bottom View of Binary Tree
Intersection in Y Shaped Lists
Diameter of a Binary Tree
Merge two sorted linked lists
Add all greater values to every node in a BST
Sum Tree
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
Absolute List Sorting
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
Get Min from Stack
Serialize and deserialize a binary tree
Gas Station
Generate IP Addresses
Check if subtree
Kth element in Matrix
Is Binary Tree Heap
Remove loop in Linked List
Dijkstra Algorithm
Minimum Spanning Tree
Largest BST
Interleaved Strings
Count Palindromic Subsequences
Multiply two strings
Minimum Swaps to Sort
Implement Atoi
Palindrome Linked List
Rat in a Maze Problem - I
Bipartite Graph
Pots of Gold Game
Count distinct elements in every window
Merge k Sorted Arrays
Longest Palindrome in Linked List
Find triplets with zero sum
Sort a stack
Top View of Binary Tree
Polynomial Addition
Delete nodes greater than k
Merge Sort for Linked List
Root to Leaf Paths
Complete Binary Tree
Counting elements in two arrays
Linked List that is Sorted Alternatingly
Foldable Binary Tree
Construct Tree from Inorder & Preorder
Vertical sum
Leaves to DLL
Children Sum in a Binary Tree
Count Number of SubTrees having given Sum
Cat and Hat
Pairwise swap of nodes in LinkedList
Swap Kth nodes from ends
Maximum sum of Non-adjacent nodes
Floor in BST
Ceil in BST
Count total set bits
Gray to Binary equivalent
Maximum AND Value
Tower Of Hanoi
Smallest Positive Missing
Power Of Numbers
Maximum occured integer
Possible Words From Phone Digits
Rearrange Array Alternately
Rearrange an array with O(1) extra space
Maximum Index
Stock buy and sell
Rotate Array
Check if array is sorted and rotated
Kadane's Algorithm
Majority Element
Count Inversions
Two Repeated Elements
Smallest Positive missing number
Unique BST's
Union of 2 Sorted with Duplicates
Indexes of Subarray Sum
Count the number of possible triangles
Triplet Sum in Array
Number of pairs
Merge Without Extra Space
Merge three sorted arrays
Closer to sort
Level of Nodes
Make Matrix Beautiful
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
Subarray range with given sum
Subarrays with equal 1s and 0s
Sort Elements by Decreasing Frequency
Longest Consecutive Subsequence
Case-specific Sorting of Strings
Postfix Evaluation
Stock span problem
Next Greater Element
Infix to Postfix
K Sized Subarray Maximum
Kth largest element
Kth smallest element
Nearly sorted
Rearrange characters
Activity Selection
Fractional Knapsack
Job Sequencing Problem
Minimum Platforms
Largest number in K swaps
Black and White
Unique Subsets
M-Coloring Problem
Minimum Jumps
Stickler Thief
Ways to Reach the n'th Stair
Egg Dropping Puzzle
Optimal Strategy For A Game
Lucky Numbers
Number of Unique Paths
Sort according to an Array
Allocate Minimum Pages
Preorder to BST
X Total Shapes
Zero Sum Subarrays
Find whether path exist
Kth Smallest
Implement Trie
Nth Catalan Number
Rotten Oranges
Steps by Knight
Count only Repeated
Longest Subarray Of Evens And Odds
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
Stock Buy and Sell – Multiple Transaction Allowed
Generate Parentheses
Prerequisite Tasks
4 Sum - All Quadruples
Excel Sheet | Part - 1
Maximum Water Between Two Buildings
Sort 0s, 1s and 2s
Pascal Triangle
Equal Sum
Maximize Number of 1's
Equivalent Sub-Arrays
Count Occurences of Anagrams
Single Among Doubles
Pair Sum Closest to 0
Search in Rotated Sorted Array
Smallest factorial number
Maximum Intervals Overlap
Maximize The Array
Max Score from Subarray Mins
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
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
Longest Subarray with Sum K
Transform String
Count the Reversals
Number of positive integral solutions
Sum of two large numbers
Factorials of large numbers
Reverse each word in a given string
The Tiny Miny
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
Integer to Words
K-th element of two Arrays
String formation from substring
Triplets with Smaller Sum
Missing element of AP
Minimum swaps and K together
Smallest Absolute Difference
Largest Sum Subarray of Size at least K
Maximum difference of zeros and ones in binary string
Number of palindromic strings
Minimum sum
Build the smallest
Minimize the Heights II
First and Last Occurrences
Reaching the heights
A difference of values and indexes
Maximum Product of Increasing Subsequence of Size 3
Permutations of a String
Previous number in one swap
Friends Pairing Problem
Largest prime factor
3 Divisors
Coin Change (Count Ways)
Perfect Sum Problem
Power Of 2 and Subsequences
Kth Smallest Factor
Firing employees
nCr
Number of ways
Count of sum of consecutives
Subsets with XOR value
Maximum path sum in matrix
Partition Equal Subset Sum
Min Coin
Lucky alive person in a circle
Handshakes
Count possible ways to construct buildings
Count digit groupings of a number
Probability of Knight
Array Pair Sum Divisibility Problem
Magic Triplets
Brain Game
Money Distributions
Fill up buckets
Find Last Digit Of a^b for Large Numbers
Killing Spree
Subset Sums
N Digit numbers with digits in increasing order
Yes XOR No
Fill the Tank
Akku and Binary Numbers
Number of paths
Nth Natural Number
Knight Walk
Permutation with Spaces
LCM Triplet
Return two prime numbers
Sum of Query II
Fact Digit Sum
Jumping Numbers
Party in Town
Game with String
Count even length
Fraction to Repeating Decimal
Grouping Of Numbers
Dudeney's Cow Problem
Next Permutation
Missing number in matrix
Geek and knots
Matrix Exponentiation
Composite and Prime
Finding Profession
Total Decoding Messages
Stream First Non-repeating
2D Hopscotch
Villain Con
Possible paths
Segregate even and odd nodes in a Linked List
Tricky Subset Problem
Rat Maze With Multiple Jumps
Kth Largest in a Stream
Snake and Ladder Problem
Product of Primes
Eulerian Path in an Undirected Graph
Replace O's with X's
nCr mod M | Part 2
Two numbers with odd occurrences
Find all distinct subset (or subsequence) sums
Broken blocks
Shortest Uncommon Subsequence
Nodes at even distance
Help a Thief!!!
Count the paths
Floyd Warshall
Negative weight cycle
Flood fill Algorithm
Form coils in a matrix
Base Equivalence
Maximum sum Rectangle
Shortest Path between Cities
Height Using Parent Array
Police and Thieves
Missing Point of a Parallelogram
Recursively Remove Adjacent Duplicates
Theft at World Bank
Number of minimum picks to get 'k' pairs of socks from a drawer
Spiral Matrix
Coins of Geekland
Valid Pair Sum
Dam of Candies
Transfiguration
Repeated String Match
Bit Difference
Ruling Pair
Triplets in Sorted Linked List
Restrictive Candy Crush
Help Classmates
Restricted Pacman
Valentine Sum
Lucy's Neighbours
Spidey Sense
Project Manager
Closest Similar Elements
Escape the Forbidden Forest
Jump Game
Triplets with sum with given range
All Palindromic Partitions
3 Sum Closest
Bellman-Ford
Subarrays with sum K
Remove BST keys outside given range
Searching an element in a sorted array (Ternary Search)
Capacity To Ship Packages Within D Days
Distribute N candies among K people
Remove K Digits
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
Check if a String is Subsequence of Other
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
BST to max heap
BST to greater sum tree
Find rectangle with corners as 1
Shortest Prime Path
Cousins of a given node
Division without using multiplication, division and mod operator
Insertion Sort for Singly Linked List
Minimize the Heights I
Subsets
Get Value from Parenthesis
IPL 2021 - Match Day 2
All Unique Permutations of an array
Course Schedule
Find and Replace in String
Min Cost Climbing Stairs
Overlapping Intervals
Bitwise AND of the Array
Remove and Reverse
Longest Possible Route in a Matrix with Hurdles
Farthest number
Robots
Hit most Balloons
Concatenate Equal to Target
Exactly one swap
Maximum Winning score
Compute Before Matrix
Levels Of Game
Smallest sum contiguous subarray
Minimum Cost to cut a board into squares
Stack Permutations
Wine Buying and Selling
Special Keyboard 2
Maximum selections
LCP
Next element with greater frequency
Sum of nodes within k distance from target
Minimum increment/decrement to make array non-Increasing
Minimum Swaps
Check if all levels of two trees are anagrams or not
Number of Distinct Islands
Shortest Distance in a Binary Maze
K-periodic Circular String
Minimum Multiplications to reach End
Number Of Enclaves
Eventual Safe States
City With the Smallest Number of Neighbors at a Threshold Distance
Merging Details
Number of Ways to Arrive at Destination
Path With Minimum Effort
Cheapest Flights Within K Stops
Connecting the graph
Shortest Path in Undirected Graph
Shortest path in Directed Acyclic Graph
Majority Element II
Sum of Beauty of All Substrings
Grid Path 2
Aggressive Cows
Shortest Path in Weighted undirected graph
Non-overlapping Intervals
Insert Interval
Floor in BST
Triangle Path Sum
Maximum Value
Absolute difference divisible by K
Make array elements unique
Next Greater Element in Circular Array
Carpet into Box
Find minimum number of Laptops required
Geeks And The String
Maximum Points Covered
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
Best Node
Update Queries
Good Stones
String rp or pr
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
Shortest XY distance in Grid
BST Maximum Difference
Remove the balls
Possible Path
Minimize the Difference
Kth Missing Positive Number in a Sorted Array
Count Subarrays with given XOR
Set Matrix Zeroes
Find All Triplets with Zero Sum
Search in an almost Sorted Array
Find H-Index
Count all triplets with given sum in sorted array
Rotate Array
Print Linked List
Count Linked List Nodes
Power of Four
Postorder Traversal
Implement stack using array
Queue using Linked List
Queue Using Array
Doubly linked list Insertion at given position
Replace all 0's with 5
Count zeros in a sorted matrix
Preorder Traversal
First Occurence
C++ STL | Set 1 (vector)
Sum Except First and Last
Search a node in BST
Smallest divisible number
Remainder with 7
Palindromic Array
Peak element
Linked List Insertion At End
Minimum element in BST
Anagram of String
Is Linked List Length Even?
Identical Linked Lists
Insert in Middle of Linked List
Start Coding
The Size of
Logical Operators
Count Odd and Even
Sort and Reverse Vector
Front to Back
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
Regex - Python
Iterating through Lists - Python
Functions - Python
Who has the majority?
Strongest Neighbour
Array insert at index
Array insert at end
Area and Volume of Cone
C Switch case statement
Storage classes in C
Performance in Class
Find number with given means
Print the string - C
If conditional statement - C
For loop - C
While loop in C
Jump through While - C
Intro to Arrays - C
Iterating through arrays - C
Swapping in - C
Square and square root
Start coding - C
The new line - C
Input/Output - C
Comments in C
getchar and putchar - C
Format specifier - C
Reverse the number
Decimal to binary
Binary to decimal
Operations on Stack
Operations on Queue
Absolute Value
Convert Celsius To Fahrenheit
Quadratic Equation Roots
Bit Difference
Number is sparse or not
Binary To Gray Code equivalent
Print 1 To N Without Loop
Reverse array in groups
Array Search
Sorted Array Search
Left Index
Binary Array Sorting
Adding two matrices
Multiply the matrices
Check if a string is Isogram or not
Binary String
Most Frequent Character
Remove common characters and concatenate
Sum of numbers in string
Repeating Character - First Appearance Leftmost
Sum of Digits of a Number
Power Using Recursion
Fibonacci Using Recursion
Addition Under Modulo
Multiplication Under Modulo
Reverse a String
Insertion in deque
Deque Traversal
Deque deletion
Keypad typing
First n Fibonacci
C++ Hello World
Find second largest element
Searching in an Array
Balanced Array
At least two greater elements
Sort The Array
Value equal to index value
Fighting the darkness
Immediate Smaller Element
Uncommon characters
Quick Left Rotation
Swap kth elements
Repeated Character
Elements in the Range
Largest Element in Array
Rotate Array by One
Game with nos
Exceptionally odd
Ishaan Loves Chocolates
Array Subset
Rotating an Array
Product is even or odd?
Minimum number to form the sum even
Min and Max in Array
No of Carry Operations
C++ Basic Data types
GCD of two numbers
Addition of Two Numbers
C++ Input / Output
1s Complement
Find position of set bit
Decision Making in Java
Java Hello World
Check perfect square
LCM And GCD
House Robber
Message Spreading
Leap Year
Strong Numbers
Median of an Array
Find N-th term in the series
Celsius to Fahrenheit Conversion
Factorial
Greatest of three numbers
Simple Interest
Binary number to decimal number
Common Divisors
Count numbers divisible by M
Matching Pair
Middle of Three
Swap two numbers
Pairs of prime number
Minimum difference pair
Surface Area and Volume of Cuboid
Pattern-1
Pattern 1
Pattern 5
Naughty Geek
Bit Maximization
Linked List Group Reverse
Reorder List
Binary Tree to DLL
Clone List with Next and Random
LRU Cache
Box Stacking
Partition array to k subsets
Alien Dictionary
Smallest range in K lists
AVL Tree Deletion
Fixing Two nodes of a BST
Number of Turns in Binary Tree
Trapping Rain Water
Max Circular Subarray Sum
Pattern Search
Histogram Max Rectangular Area
Max of min for every window size
Find median in a stream
Minimum Cost Path
Median of Two sorted arrays
Word Ladder I
Median of 2 Sorted Arrays of Different Sizes
Burning Tree
Merge Without Extra Space
Distinct palindromic substrings
Search Pattern (KMP-Algorithm)
Count Smaller elements
Number of distinct subsequences
Maximum XOR subset
Edit Distance
Next Happy Number
Check Tree Traversal
Matrix Chain Multiplication
Kill Captain America
Generalised Fibonacci numbers
Longest valid Parentheses
Bike Racing
Word Break - 2
N-Queen Problem
Brackets in Matrix Chain Multiplication
nCr mod M | Part 1
Closest Palindrome
Optimal binary search tree
Assignment Problem
Longest Path in a matrix
Water Connection Problem
Find the Maximum Flow
Smallest Positive Integer that can not be represented as Sum
Secret Cipher
132 Geeky Buildings
Corona Vaccine
Shortest Range In BST
Elixir of Life
Number of subsets with product less than k
Minimum X (xor) A
Word Break (Trie)
Minimum operations to convert array A to B
Sorted Linked List to BST
Palindrome Pairs
Array Partition
Count occurrences of a given word in a 2-d array
Reverse a sublist of a linked list
Word Ladder II
Shortest Unique prefix for every word
Split Array Largest Sum
Scrambled String
Count the number of subarrays
Kth Smallest Number in Multiplication Table
Min Chars to Add for Palindrome
Minimum time to fulfil all orders
Geek in a Maze
Count Reverse Pairs
Select Nodes
Largest Sum Cycle
Fixing Two swapped nodes of a BST
Shortest Path Using Atmost One Curved Edge
Avoid Explosion
Walls Coloring II
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Maximum Number of coins
Median of the Subarrays
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Maximum and Minimum Of Array Elements
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