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BASIC (2)
EASY (34)
MEDIUM (33)
HARD (9)
Reverse alternate nodes in Link List
Flattening a Linked List
Multiply two strings
Duplicate Subtree
Leftmost and rightmost nodes of binary tree
Isomorphic Trees
Mother Vertex
Wave Array
Make Matrix Beautiful
Fractional Knapsack
Minimum Platforms
Stickler Thief
Lucky Numbers
4 Sum - All Quadruples
Column name from a given column number
Substrings with K Distinct
Longest Substring with K Uniques
First and Last Occurrences
Perfect Sum Problem
Partition Equal Subset Sum
Transitive closure of a Graph
Replace O's with X's
Find the string in grid
Bellman-Ford
Minimum Multiplications to reach End
Number Of Enclaves
Number Of Islands
Maximum Sum Combination
Flattening a Linked List
Make array elements unique
Next Greater Element in Circular Array
Find the longest string
Beautiful cities - I
Delete nodes having greater value on right
Height of Binary Tree
Balanced Tree Check
Remove Duplicates from a Sorted Linked List
DFS of Graph
Insert a node in a BST
BFS of graph
Binary Tree to BST
Delete in a Singly Linked List
Kth largest element in BST
Array Duplicates
Insert in a Sorted List
Leaf under budget
First Set Bit
Power of 2
Equilibrium Point
Print adjacency list
Matrix Boundary Traversal
N meetings in one room
Count number of hops
Roman Number to Integer
Rotate Bits
Number of occurrence
Find the closest pair from two arrays
Palindrome String
Perfect Numbers
Largest number possible
Surround the 1's
Minimize the sum
Last modified ball
Transform to Sum Tree
Max Splits
Jumping Towers
Prefix Distinct
AVL Tree Deletion
Nodes at given distance in binary tree
Word Ladder I
Number of distinct subsequences
Huffman Encoding
Maximum Number of Toys
Count Lucky Permutations
Count the Substring
Making A Large Island
Reverse a String
First n Fibonacci
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