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SCHOOL (1)
BASIC (11)
EASY (65)
MEDIUM (62)
HARD (6)
Add 1 to a Linked List Number
Diameter of a Binary Tree
Remove loop in Linked List
Multiply two strings
Bipartite Graph
Bridge edge in a graph
Duplicate Subtree
Leftmost and rightmost nodes of binary tree
Isomorphic Trees
Mother Vertex
Wave Array
Kadane's Algorithm
Majority Element
Count Inversions
Indexes of Subarray Sum
Triplet Sum in Array
Make Matrix Beautiful
Boolean Matrix
Subarray with 0 sum
Longest Consecutive Subsequence
Minimum Jumps
Stickler Thief
0 - 1 Knapsack Problem
Lucky Numbers
Kth Smallest
Top K Frequent in Array
4 Sum - All Quadruples
Sort 0s, 1s and 2s
Maximum Product Subarray
Row with max 1s
Column name from a given column number
Factorials of large numbers
Length of the longest substring
Sum of XOR of all pairs
Longest Substring with K Uniques
Largest Sum Subarray of Size at least K
Minimize the Heights II
Transform to prime
First and Last Occurrences
Minimum Deletions
Permutations of a String
Bleak Numbers
Max Sum Increasing Subsequence
Coin Change (Count Ways)
Sieve of Eratosthenes
Perfect Sum Problem
nCr
Partition Equal Subset Sum
Prime Pair with Target Sum
Number of paths
Smith Number
Longest Repeating Subsequence
Find the string in grid
Save Your Life
Subset Sum Problem
IPL 2021 - Match Day 2
NextGen Towers
Watching movie
Minimum Multiplications to reach End
Number Of Enclaves
Maximum Sum Combination
Floor in BST
Reverse a linked list
Delete nodes having greater value on right
Remove duplicates from an unsorted linked list
Height of Binary Tree
Middle of a Linked List
Find Transition Point
Remove Duplicates from a Sorted Linked List
Reverse Level Order Traversal
Insert a node in a BST
Binary Search
Binary Tree to BST
Delete in a Singly Linked List
Kth largest element in BST
Minimum distance in an Array
Array Duplicates
Three way partitioning
Level order traversal
Insert in a Sorted List
Leaf under budget
First Set Bit
Check K-th Bit
Power of 2
Frequencies in a Limited Array
Equilibrium Point
Array Leaders
Sum of upper and lower triangles
Matrix Boundary Traversal
Parenthesis Checker
Minimum Cost of ropes
Count number of hops
Union of Arrays with Duplicates
Missing in Array
Roman Number to Integer
Strong Students in School
Missing And Repeating
Common in 3 Sorted Arrays
Move All Zeroes to End
Count the triplets
Find Pair Given Difference
Bitonic Point
Smallest subarray with sum greater than x
Two Sum - Pair with Given Sum
Rotate Bits
Number of occurrence
Two sum -Pairs with 0 Sum
Find the closest pair from two arrays
Palindrome String
Minimum Operations
Number of 1 Bits
Max Sum Subarray of size K
Nth Fibonacci Number
Sum 1 to n Divisors
Perfect Numbers
Largest number possible
Form a number divisible by 3 using array digits
Surround the 1's
Letters Collection
Silver and Gold
Array Game
Unleashing the Array's Potential
High Frequency
Build Adjacency List
Maximum occurring digit
Geek's Plants
String Game
Reverse a String
First n Fibonacci
Rotate Array by One
Array Subset
Print first letter of every word in the string
Set kth bit
House Robber
Sum of elements in a matrix
Middle of Three
Small Sum
Valid Strings
Linked List Group Reverse
AVL Tree Deletion
Trapping Rain Water
Merge Without Extra Space
Number of distinct subsequences
Palindromic Partitioning
Reverse an Array
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