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BASIC (28)
EASY (50)
MEDIUM (24)
HARD (3)
Add Number Linked Lists
Detect Loop in linked list
Merge two sorted linked lists
Two Stacks in an Array
The Celebrity Problem
Multiply two strings
Palindrome Linked List
Find triplets with zero sum
Sort a stack
Postfix Evaluation
Stock span problem
Infix to Postfix
Count the Reversals
First negative in every window of size k
Valid Substring
Subarrays Product Less than K
Maximum Tip Calculator
Angle between hour and minute hand
nCr
Card Rotation
Jumping Numbers
Next Permutation
Smaller on Left
Segregate even and odd nodes in a Linked List
Reverse a linked list
Pairwise swap elements of a linked list
Node at a given index in linked list
Remove duplicates from an unsorted linked list
Delete in a Doubly Linked List
Inorder Traversal
Delete without head pointer
Kth from End of Linked List
Middle of a Linked List
Check If Circular Linked List
Remove Duplicates from a Sorted Linked List
Stack using two queues
Insertion at doubly linked list
Remove every k'th node
Delete in a Singly Linked List
Minimum distance in an Array
Array Duplicates
Special Stack
Reverse Using Stack
Delete Alternate Nodes
Find the Sum of Last N nodes of the Linked List
Find length of Loop
Find n/k th node in Linked list
Queue Reversal
Reverse first K of a Queue
Delete Mid of a Stack
Get min at pop
Power of 2
Anagram
String Rotated by 2 Places
Reverse Words
Non Repeating Character
Union of Arrays with Duplicates
Numbers containing 1, 2 and 3
Missing in Array
Min sum formed by digits
String Manipulation
Check if array is sorted
Inverse Permutation
Palindrome String
Print Bracket Number
Easy string
Odd Even Problem
Armstrong Numbers
Nth Fibonacci Number
Set all the bits in given range of a number
Prime Number
Perfect Numbers
Maximum Diamonds
Row with Minimum 1s
Rotate Array
Print Linked List
Find Length of Linked List
Check for Binary String
Implement stack using array
Preorder Traversal
First Occurence
Palindromic Array
Linked List Insertion At End
Is Linked List Length Even?
Identical Linked Lists
Modular Node
Insert in Middle of Linked List
Pairwise Consecutive Elements
Alternates in an Array
Print 1 To N Without Loop
Reverse a String
First n Fibonacci
Value equal to index value
Immediate Smaller Element
Remove repeated digits in a given number
Largest Element in Array
Rotate Array by One
Ishaan Loves Chocolates
Set the rightmost unset bit
LCM And GCD
Factorial
Closest Number
Histogram Max Rectangular Area
Ugly Numbers
Closest Palindrome
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