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BASIC (11)
EASY (34)
MEDIUM (37)
HARD (5)
Quick Sort
Bottom View of Binary Tree
Heap Sort
Sum Tree
Flattening a Linked List
Diagonal Tree Traversal
The Celebrity Problem
Remove loop in Linked List
Rat in a Maze Problem - I
Top View of Binary Tree
Predecessor and Successor
Sum of nodes on the longest path
Kth Ancestor in a Tree
ZigZag Tree Traversal
Maximum sum of Non-adjacent nodes
Majority Element
Count Inversions
Sum of all substrings of a number
Kth Smallest
Shortest Common Supersequence
Sort 0s, 1s and 2s
Painting the Fence
Count the Reversals
Max Sum without Adjacents
Longest Substring with K Uniques
First negative in every window of size k
Number following a pattern
Subset Sums
Smaller on Left
Stream First Non-repeating
Reverse a Stack
Interleave the First Half of the Queue with Second Half
Minimum Absolute Difference In BST
Maximum Bipartite Matching
Maximum Triplet product
Yet another query problem
Kth common ancestor in BST
Implement stack using array
Queue Using Array
Palindromic Array
Print 1 To N Without Loop
Array Search
Value equal to index value
Min and Max in Array
Last index of a character in the string
Set kth bit
LCM And GCD
Print 1 to n without using loops
Delete N nodes after M nodes of a linked list
Right View of Binary Tree
Left View of Binary Tree
Transform to Sum Tree
Remove Duplicates from a Sorted Linked List
Binary Search
Reverse first K of a Queue
Brothers From Different Roots
Swap the array elements
Predict the Column
K-th Bit is Set or Not
Power of 2
Wave Array
Array Leaders
Print Matrix in snake Pattern
String Rotated by 2 Places
Strings Rotations of Each Other
Isomorphic Strings
Count ways to N'th Stair
Missing in Array
Common in 3 Sorted Arrays
Move all negative elements to end
Bitonic Point
Number of occurrence
Segregate 0s and 1s
Number of 1 Bits
Armstrong Numbers
Max Sum Subarray of size K
Count Digits
Party of Couples
Sum 1 to n Divisors
Balloon Everywhere
Make the array beautiful
Binary matrix having maximum number of 1s
Burning Tree
The Painter's Partition Problem-II
Strictly Increasing Array
Find the String
Better String
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