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BASIC (54)
EASY (137)
MEDIUM (59)
HARD (5)
Nearest Perfect Square
A Boolean Matrix Problem
Toggle The Middle
XOR Pair
Average of String
Closest friends!
Pairing the brackets
Reverse a linked list
Remove duplicates from an unsorted linked list
Inorder Traversal
Bubble Sort
Insertion Sort
Right View of Binary Tree
Mirror Tree
Maximum Width of Tree
Height of Binary Tree
Balanced Tree Check
Kth from End of Linked List
Left View of Binary Tree
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
Implement stack using array
Insert a node in a BST
BFS of graph
Identical Trees
Square Root
Insertion at doubly linked list
Binary Search
Level Order Line by Line
Josephus problem
Three way partitioning
More than n/k Occurrences
Counting Sort
Find length of Loop
Queue Reversal
Reverse first K of a Queue
Delete Mid of a Stack
Get min at pop
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
Regular Expressions 2 - 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
List Average
Is and In Operator
sep and end in Print()
Max and Second Max
Hashing for pair - 1
Hashing for pair - 2
First Set Bit
Rightmost different bit
Check K-th Bit
Factorial Of Number
Digits In Factorial
GP Term
Primality Test
Longest Consecutive 1's
Mean And Median of Array
Modular Inverse
Power of 2
Swap odd and even bits
Minimum adjacent difference in a circular 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
Sum of upper and lower triangles
Print Matrix in snake Pattern
Transpose of Matrix
Interchanging the rows of a Matrix
Reversing the columns of a Matrix
Matrix Boundary Traversal
Exchange matrix columns
Naive Pattern Search
Check if a string is Isogram or not
Count Non-Repeated Elements
Print Non-Repeated Elements
Anagram
Winner of an election
String Rotated by 2 Places
Isomorphic Strings
Most Frequent Character
The Modified String
Reverse Words
Sum of numbers in string
Minimum indexed character
Panagram Checking
Repeating Character
Removing consecutive duplicates
Parenthesis Checker
Generate Binary Numbers
K largest elements
Count Digits in a Number
Digital Root
Doubly Linked List Conversion
First Repeating Element
Union of Arrays with Duplicates
Intersection of Arrays with Distinct
String Duplicates Removal
Segregate 0s and 1s
Palindrome String
Maximum height of the staircase
Squares in N*N Chessboard
Find Length of Linked List
Postorder Traversal
Queue using Linked List
Queue Using Array
Preorder Traversal
First Occurence
Search a node in BST
Linked List Insertion At End
Minimum element in BST
Identical Linked Lists
Insert in Middle of Linked List
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
Two digit Sum
AweSum
Copy the End
KaBoom
Four and Four
Who has the majority?
Strongest Neighbour
Array insert at index
Array insert at end
Reversing an Array
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 Conversion
Print 1 To N Without Loop
Array Search
Sorted Array Search
Left Index
Adding two matrices
Multiply the matrices
Binary String
Remove common characters and concatenate
Sum of Digits of a Number
Power Using Recursion
Fibonacci Using Recursion
Addition Under Modulo
Multiplication Under Modulo
Minimum At Pop
Get the Shadow
Rotate a Linked List
Sort a linked list of 0s, 1s and 2s
Detect Loop in linked list
Quick Sort
Delete without head pointer
Intersection in Y Shaped Lists
Heap Sort
Merge two sorted linked lists
LCA in Binary Tree
Two Stacks in an Array
Binary Heap Operations
Remove loop in Linked List
Palindrome Linked List
Find triplets with zero sum
Sort a stack
Top View of Binary Tree
Find Common Nodes in two BSTs
Level order traversal
Peak element
Children Sum in a Binary Tree
Cat and Hat
Nearest Power
Doge
Extract the image
Unlucky Number
Pairwise swap of nodes in Linked List
Swap Kth nodes from ends
Count set bits
Maximum AND Value
Tower Of Hanoi
Reverse array in groups
Wave Array
Rearrange Array Alternately
Stock buy and sell
Rotate Array
Kadane's Algorithm
Majority Element
Binary Array Sorting
Two Repeated Elements
Union of 2 Sorted Arrays
Indexes of Subarray Sum
Count the number of possible triangles
Triplet Sum in Array
Closer to sort
Search in a sorted Matrix
Rotate by 90 degree
Subarray with 0 sum
Subarray range with given sum
Strings Rotations of Each Other
Postfix Evaluation
Infix to Postfix
Kth largest element
Kth smallest element
Nearly sorted
Zero Sum Subarrays
Count only Repeated
Sort 0s, 1s and 2s
Pythagorean Triplet
Kth Smallest Difference
Rolling Hash
Trapping Rain Water
Pattern Search
Median of Two sorted arrays
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