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SCHOOL (3)
BASIC (98)
EASY (65)
MEDIUM (54)
HARD (8)
Nearly Sorted Algorithm
Sort a linked list of 0s, 1s and 2s
Diagonal Tree Traversal
Tree Boundary Traversal
Directed Graph Cycle
Undirected Graph Cycle
Topological sort
Vertical Tree Traversal
Max sum in the configuration
Dijkstra Algorithm
Minimum Swaps to Sort
Palindrome Linked List
Merge k Sorted Arrays
Find triplets with zero sum
Rotate and delete
Rearrange Array Alternately
Rearrange an array with O(1) extra space
Stock buy and sell
Kadane's Algorithm
Majority Element
Triplet Sum in Array
Subarrays with equal 1s and 0s
Longest Consecutive Subsequence
Postfix Evaluation
Stock span problem
Kth smallest element
Fractional Knapsack
Job Sequencing Problem
Minimum Platforms
Combination Sum
Container With Most Water
Sort 0s, 1s and 2s
Single Among Doubles in a Sorted
Single Among Doubles
Sum of bit differences
Row with max 1s
Nuts and Bolts Problem
Factorials of large numbers
k largest elements
Magnet Array Problem
First negative in every window of size k
Power Set
Numbers with 0 as a digit
Array Pair Sum Divisibility Problem
Subset Sums
Dudeney's Cow Problem
Minimum time taken by each job to be completed given by a Directed Acyclic Graph
Number of Distinct Islands
Minimum Multiplications to reach End
Eventual Safe States
Shortest Path in Undirected Graph
Shortest path in Directed Acyclic Graph
Aggressive Cows
House Robber 4
Sahil love good scorer
Geeks and Prime
Inorder Traversal
Bubble Sort
Left View of Binary Tree
Find Transition Point
Reverse Level Order Traversal
Square Root
Binary Search
Level Order Line by Line
Count Occurrence of digit k
Level order traversal
Index of an Extra Element
Counting Sort
Max and min element in Binary Tree
Reverse Using Stack
Queue Reversal
Reverse first K of a Queue
Delete Mid of a Stack
Learn to Comment
Swap the array elements
Find the Frequency
Operations on PriorityQueue
Wave Array
Array Leaders
Sum of upper and lower triangles
Transpose of Matrix
Winner of an election
Reverse Words
Non Repeating Character
Parenthesis Checker
Missing in Array
Find Unique pair in an array with pairs of numbers
Find Index
Sort by Set Bit Count
Good Pairs
Maximum no of 1's row
String Duplicates Removal
Min sum formed by digits
Bitonic Point
Toppers Of Class
Facing the sun
Second Largest
Find all pairs with a given sum
Number of occurrence
Convert an array to reduced form
Largest Fibonacci Subsequence
Sum of f(a[i], a[j]) over all pairs in an array of n integers
Segregate 0s and 1s
Print an array in Pendulum Arrangement
Play With OR
Count the Zeros
Multiply by 11
Java Arrays | Set 1
Find the Highest number
Count Digits
Extra Perfect Numbers
Factorials Less than or Equal to n
Maximum Volume of a Rectangular Box
Print this pattern!
Different Kinds of Objects
Permutations and Sum
Row with Minimum 1s
Crack the series
Make Perfect Array
Rotate Array
Weight of strings
Print Linked List
Size of Binary Tree
Postorder Traversal
Count zeros in a sorted matrix
Preorder Traversal
Peak element
Anagram of String
longest substring containing '1'
Alternates in an Array
Queue Push & Pop
Decimal to binary
Check if a string is Isogram or not
Reverse a String
C++ Hello World
Find second largest element
Palindrome Array
Perfect Array
Searching in an Array
Ishaan's Internship
Remove consonants from a string
Balanced Array
Sort The Array
Check if divisible by 4
Check Binary String
Change the string
Check String
Convert a list of characters into a String
Remove vowels from string
Fighting the darkness
Count type of Characters
Duck Number
Remove repeated digits in a given number
Max and Min Product from 2 Arrays
Display longest name
Find element at a given Index
Last index of One
Upper Case Conversion
Merge two strings
Countries at war
Largest Element in Array
Rotate Array by One
Sum Triangle for given array
Game with nos
Why is Melody so chocolaty?
Rotating an Array
Minimum number to form the sum even
C++ Strings
First and Second Smallests
Min and Max in Array
Multiply left and right array sum
Perfect Square String
Snake Case
Java Strings | Set 1
GCD of two numbers
C++ if-else (Decision Making)
C++ Input / Output
C++ Operators (Relational) | Set 2
C++ Switch Case Statement
Number of Diagonals
C++ Operators | Set 1 (Arithmetic)
Decision Making in Java
Java Hello World
Java loops | Set 1
Check if divisible by 5
House Robber
C++ Data Types
Find n-th term of series 1, 3, 6, 10, 15, 21
Area of a triangle
Krishnamurthy number
Sum of odd and even elements
Sum of AP series
Power of Pow | Even Number
Power of Pow | Odd Numbers
Prime Number
Floyd's triangle
Identical Matrices
Is digital root of N a prime?
Jumpy Ball
Pronic Number
Sum of fifth powers of the first n natural numbers
The dice problem
G.F Series
Find X and Y in Linear Equation
Difference between sums of odd and even digits
Mind Game
Trimorphic Number
Doctors Clinic
Modulus of two double numbers
Pattern Jumping
Corner Digits Sum
Determine focal length of a spherical mirror
Addition of two square matrices
Java Operators(Arithmetic) | Set 1
Prime number validation-JAVA regex
Java Switch Case statement
C++ | A Speed Breaker
Maximum subset XOR
Trapping Rain Water
Merge Without Extra Space
Next Smallest Palindrome
Ugly Numbers
Largest rectangle of 1s with swapping of columns allowed
Wildcard string matching
Palindromic Partitioning
Reverse an Array
Arrays (Sum of array)
Convert standard time to military time
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