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SCHOOL (2)
BASIC (78)
EASY (121)
MEDIUM (77)
HARD (7)
Reverse a linked list
Inorder Traversal
Bubble Sort
Selection Sort
Insertion Sort
Height of Binary Tree
Kth from End of Linked List
Middle of a Linked List
Find Transition Point
Remove Duplicates from a Sorted Linked List
Stack using Linked List
BFS of graph
Square Root
Binary Search
Largest subarray of 0's and 1's
Leaves at Same Level or Not
Josephus problem
Intersection of Two Linked Lists
Sum of leaf nodes in BST
Counting Sort
Find length of Loop
Queue Reversal
Reverse first K of a Queue
C++ Template
Find the Frequency
Back to Front
Deque Implementations
Implement Stack Using Array
Factorial Of Number
Digits In Factorial
GP Term
Primality Test
Mean And Median of Array
Modular Inverse
Array Leaders
Count 1's in binary array
Floor in a Sorted Array
Linear Probing in Hashing
Quadratic Probing in Hashing
Anagram
Minimum Cost of ropes
Count Digits in a Number
Reach a given score
Recursively Sum N Numbers
Factorial Using Recursion
Check Palindrome
Corresponding pair
Pattern searching
Deque deletion
Rotate Deque By K
Elements Less Than K
Increasing Roll And Marks
Maximum Among Left
First Repeating Element
Union of Arrays with Duplicates
Check Equal Arrays
Count Elements Greater Than X
Count Smaller Than X
Find Immediate Smaller Than X
Array Update At Index
Array Delete And Shift
Is Array Sorted
Find Immediate Greater Than X
Reverse The Array
Find nCr
Shell Sort
Insert In Sorted Linked List
Delete Tail of Linked List
Delete Head of Linked List
Linked List Delete at Position
Is Linked List Sorted
Join Two Linked Lists
Delete Tail of Circular Linked List
Delete Head of Circular Linked List
Circular Linked List Delete at Position
Intersection of Arrays with Distinct
Find Kth Rotation
Move all negative elements to end
Bitonic Point
Left most and right most index
The Thief Problem
Two Sum - Pair with Given Sum
Number of occurrence
Does array represent Heap
Play With OR
Count the Zeros
Fitting The Array
Divisibility by 8
Count digits in a factorial
Sum Of Digits
Maximum Sum Problem
Sum of Product of Digits
Sum of Maximum And Minimum
The Bit Game
Recamans sequence
Trailing zeroes in factorial
Form a number divisible by 3 using array digits
Recursive sequence
Tom and Jerry
Help Ishaan
Find one extra character
Design a Data Structure with insert/replace/print Operation
Sort one array according to another array
Chocolate Distribution Problem
Count all possible paths from top left to bottom right
Ball coloring
Modified Numbers and Queries
Fraction Trouble
Maximum number of 2X2 squares
First and last occurrences of x
License Key Formatting
Pattern 2
Pattern 3
Pattern 4
Wifi Range
Total Traversal Time
Unique Number of Occurrences
Taxi Booking
Minimize Array Score
Find Bots on Geeklandster
Linked List Insertion At Beginning
Detect Loop in linked list
Merge Sort
Quick Sort
Delete without head pointer
Intersection in Y Shaped Lists
Two Stacks in an Array
Binary Heap Operations
Palindrome Linked List
Level order traversal
Children Sum in a Binary Tree
Count Number of SubTrees having given Sum
C++ Generic sort
Floor in BST
Ceil in BST
Tower Of Hanoi
Reverse array in groups
Wave Array
Rotate Array
Kadane's Algorithm
Majority Element
Binary Array Sorting
Count Inversions
Union of 2 Sorted Arrays
Triplet Sum in Array
Subarray with 0 sum
Subarrays with equal 1s and 0s
Longest Consecutive Subsequence
Kth largest element
Fractional Knapsack
Longest Increasing Subsequence
Forward list deletion in C++
Minimum Vertical Sum
Prime At Prime Index
Zero Sum Subarrays
Kth Smallest
Radix Sort
Word Break
Sort 0s, 1s and 2s
Max Score from Subarray Mins
k largest elements
Longest Palindromic Subsequence
First and Last Occurrences
Lexicographically smallest string
Sieve of Eratosthenes
Longest Subarray Length
Power Set
Number of paths in a matrix with k coins
Find nth root of m
Game with String
Count even length
Find the Safe Position
Smaller on Left
Longest Repeating Subsequence
Composite and Prime
Stream First Non-repeating
Geek and Strings
Josephus Circle using List
Queries on a Matrix
Traverse All Edges And Vertices
Geek and Number String
Ruling Pair
Division without using multiplication, division and mod operator
Flatten binary tree to linked list
IPL 2021 - Match Day 2
Clone an Undirected Graph
Number of Distinct Islands
Number Of Islands
Aggressive Cows
Minimize number of Students to be removed
Maximum Value
Shortest Prime Path
Find the longest string
Maximum Profit By Choosing A Subset Of Intervals
Tree Formation
K-Subarray with Maximum Sum
Flatten BST to sorted list
Last Fairy Standing
Find Length of Linked List
Postorder Traversal
Queue using Linked List
Queue Using Array
Preorder Traversal
Linked List Insertion At End
Identical Linked Lists
Insert in Middle of Linked List
C++ STL List
Alternates in an Array
Sort and Reverse Vector
Front to Back
Queue Push & Pop
Who has the majority?
Array insert at index
Array insert at end
Operations on Queue
Absolute Value
Convert Celsius To Fahrenheit
Quadratic Equation Roots
Print 1 To N Without Loop
Array Search
Sorted Array Search
Sum of Digits of a Number
Power Using Recursion
Fibonacci Using Recursion
Addition Under Modulo
Multiplication Under Modulo
Print Array Elements Using Recursion
The Sequence
GCD Euclid
Reverse a String
Pairing elements
Make pair
Vector insertion
Sort Vector of Pairs
Forward List Insert
Insertion in deque
Maximize Number of Toys
Sort and reverse
Vector Erase and Clear
Forward List Erase After
Deque Traversal
Queue Traversal
Vector Shrink To Fit
Vector Sum
Get Element At Index
Maximum and Minimum In Array
Print Linked List
Sum The Nodes of Linked List
Maximum And Minimum In Linked List
Search In Linked List
Linked List Insertion At Position
Display Circular Linked List
Print Elements of Array
Check for subsequence
First 1 in a Sorted Binary Array
Largest Element in Array
Rotate Array by One
Game with nos
Min and Max in Array
Check perfect square
Median of an Array
Celsius to Fahrenheit Conversion
Factorial
Absolute Difference of 1
G.F Series
Print 1 to n without using loops
Minimum difference pair
Java Operators(Arithmetic) | Set 1
Pattern 1
Pattern 6
Pattern 7
Data Type
Friend of x
Valid Strings
Time Travel
Who has the majority?
Min distance between two given nodes of a Binary Tree
Distinct occurrences
Boolean Parenthesization
Find all Critical Connections in the Graph
Count occurrences of a given word in a 2-d array
Stock Buy and Sell – Max 2 Transactions Allowed
Min Chars to Add for Palindrome
Search in a 2D Matrix
Arrays (Sum of array)
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