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SCHOOL (2)
BASIC (30)
EASY (84)
MEDIUM (98)
HARD (14)
Remove duplicates from an unsorted linked list
Insertion Sort
Check for BST
Right View of Binary Tree
Height of Binary Tree
Kth from End of Linked List
Level Order in spiral form
DFS of Graph
BFS of graph
Lowest Common Ancestor in a BST
Binary Search
Unique rows in boolean matrix
Array Duplicates
Inorder Successor in BST
Median of BST
Queue Reversal
Delete Mid of a Stack
Product of an Array
Frequency in Queue
Frequency Game
Swap all odd and even bits
Wave Array
Equilibrium Point
Array Leaders
Transpose of Matrix
Minimum indexed character
Non Repeating Character
Parenthesis Checker
N meetings in one room
Union of Arrays with Duplicates
Check Equal Arrays
Missing in Array
Max Value Permutation
Find Index
Adding Ones
Chocolate Distribution Problem
Bitonic Point
Second Largest
Convert array into Zig-Zag fashion
Find all pairs with a given sum
Reversing the equation
Two sum -Pairs with 0 Sum
At Least K Occurrences
Is Binary Number Multiple of 3
Number of 1 Bits
Armstrong Numbers
Nth Fibonacci Number
Copy Set Bits in Range
Count Digits
Palindrome
Minimum number of Coins
Least Prime Factor
Sum of First N Natural Numbers
Maximum Diamonds
Surround the 1's
Trace Path
Maximum Depth Of Binary Tree
Maximum Identical Bowls
Bus Conductor
Wifi Range
Minimum Number
Seating Arrangement
String Mirror
Powerfull Integer
Make Palindrome
Binary Modulo
Total Cuts
Bit Magic
Array Operations
Dominant Pairs
Total Traversal Time
Antique Collections
Binary Array
Density of a Tree
Ticket Counter
Unique Number of Occurrences
Balloon Everywhere
Maximum Number
Two Swaps
GCD 1
Beautiful Number
Strong Students in School
Complete the Staircase
String Matching
Check for Binary String
Implement stack using array
Queue Using Array
Print number pattern
Palindromic Array
Peak element
Alternates in an Array
Print 1 To N Without Loop
Reverse array in groups
Array Search
Sorted Array Search
Binary Array Sorting
Reverse a String
First n Fibonacci
Sum of Array
Sum of Natural Numbers
Searching in an Array
Print Elements of Array
Value equal to index value
Immediate Smaller Element
Swap kth elements
Last index of One
Largest Element in Array
Rotate Array by One
Count of smaller elements
Min and Max in Array
Java Hello World
Median of an Array
Reverse digits
Prime Number
Search in a 2D Matrix
Arrays (Sum of array)
Rotate a Linked List
Sort a linked list of 0s, 1s and 2s
Quick Sort
Heap Sort
Connect Nodes of Levels
Two Stacks in an Array
Largest subarray with 0 sum
Topological sort
Find kth element of spiral matrix
Remove loop in Linked List
Closest in BST
Merge k Sorted Arrays
Find triplets with zero sum
Union of Two Linked Lists
Predecessor and Successor
Kth Ancestor in a Tree
Smallest Positive Missing
Power Of Numbers
Rearrange Array Alternately
Rearrange an array with O(1) extra space
Kadane's Algorithm
Majority Element
Count Inversions
Indexes of Subarray Sum
Triplet Sum in Array
Merge Without Extra Space
Make Matrix Beautiful
Stock span problem
K Sized Subarray Maximum
Minimum Jumps
Longest Increasing Subsequence
Longest Common Subsequence
Sort according to an Array
Kth Smallest
Nth Catalan Number
Stock Buy and Sell – Multiple Transaction Allowed
Word Search
Sort 0s, 1s and 2s
Maximum Index
Flip Bits
Cutting Binary String
k largest elements
Longest Palindrome in a String
K-th element of two Arrays
Arranging the array
Rod Cutting
Longest Palindromic Subsequence
Minimize the Heights II
First and Last Occurrences
Permutations of a String
CamelCase Pattern Matching
Subarrays Product Less than K
Unique Number II
Largest prime factor
Coin Change (Count Ways)
Santa Banta
nCr
Matchsticks game
Longest Repeating Subsequence
Stream First Non-repeating
Express as sum of power of natural numbers
Find the string in grid
Shortest Source to Destination Path
Save Your Life
Minimum XOR value pair
Prefix match with other strings
Overlapping Intervals
Find k-th smallest element in given n ranges
Reverse a Stack
Max Equal sum of 3 Stacks
Shortest path in Directed Acyclic Graph
Task Scheduler
Hands of Straights
Lemonade Change
Maximum Intersecting Lines
Maximum Length
Remove the balls
Unequal Arrays
Job Sequencing Problem
Bheem Wants Ladoos
Prefix Suffix String
Smaller Sum
Nearest smaller tower
Another Coin Change Problem
Geek's Village and Wells
Find Number
Max Coins
Good Subtrees
Subtree In N-ary Tree
Easy Task
Maximum subset sum
Palindrome with minimum sum
Count Total Setbits
Tree Transformation
Construct a Full Binary Tree
Modify Linked List-1
Find Kth permutation
Fraction pairs with sum 1
Linked List Group Reverse
String Permutations
Trapping Rain Water
Solve the Sudoku
Next Smallest Palindrome
Next Happy Number
Find number of closed islands
Expression Add Operators
Partition the Array
Count Binary Strings With No Consecutive 1s
Minimum BST Sum Subtree
Cake Distribution Problem
Min Time
Game Of Subsets
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