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SCHOOL (1)
BASIC (20)
EASY (93)
MEDIUM (72)
HARD (5)
Detect Loop in linked list
Implement stack using array
Two Stacks in an Array
Largest subarray with 0 sum
Max sum in the configuration
Validate an IP Address
Sorted subsequence of size 3
Multiply two strings
Implement Atoi
Maximum Difference
Count distinct elements in every window
k-Anagram
Find triplets with zero sum
Peak element
Counting elements in two arrays
Reverse array in groups
Smallest Positive Missing
Wave Array
Maximum Index
Rotate Array
Kadane's Algorithm
Majority Element
Binary Array Sorting
Count Inversions
Union of 2 Sorted Arrays
Indexes of Subarray Sum
Triplet Sum in Array
Subarray with 0 sum
Strings Rotations of Each Other
Case-specific Sorting of Strings
Stock span problem
Next Greater Element
K Sized Subarray Maximum
Minimum Jumps
Kth Smallest
Nth number made of prime digits
Sort 0s, 1s and 2s
Pythagorean Triplet
Smallest number with at least n trailing zeroes in factorial
Check if frequencies can be equal
Next Smaller Element
Sum of two large numbers
Factorials of large numbers
Reverse each word in a given string
Length of the longest substring
Smallest distinct window
Longest substring with distinct characters
Longest Substring with K Uniques
Look and Say Pattern
Valid Expression
Greater tower sum
Minimum swaps and K together
First negative in every window of size k
Minimum sum
Minimize the Heights II
First and Last Occurrences
Valid Substring
Permutations of a String
Find largest word in dictionary
Lexicographically smallest string
Game with String
Find the Safe Position
Smaller on Left
Satisfy the equation
Geek and Number String
Restrictive Candy Crush
Help Classmates
Remove K Digits
Substrings of length k with k-1 distinct elements
Clone a stack without using extra space
Next element with greater frequency
Asteroid Collision
Node at a given index in linked list
Check If Circular Linked List
Find Transition Point
Stack using Linked List
Square Root
Binary Search
Run Length Encoding
Largest subarray of 0's and 1's
Remove Duplicates Sorted Array
Third largest element
Match specific pattern
Array Duplicates
Special Stack
Three way partitioning
Index of an Extra Element
Operating an array
Reverse Using Stack
Product of an Array
Swap the array elements
Get min at pop
Frequencies in a Limited Array
Equilibrium Point
Array Leaders
Minimum Number in a sorted rotated array
Anagram
Winner of an election
String Rotated by 2 Places
Isomorphic Strings
The Modified String
Reverse Words
Minimum indexed character
Panagram Checking
Non Repeating Character
Parenthesis Checker
Minimum indexed character
Largest number with given sum
First Repeating Element
Check Equal Arrays
Missing in Array
Product array puzzle
Roman Number to Integer
Intersection of Arrays with Distinct
Max Value Permutation
Missing And Repeating
Non-Repeating Element
Find Kth Rotation
k sorted array
String Duplicates Removal
Move all negative elements to end
String Manipulation
Count the triplets
Find Pair Given Difference
Bitonic Point
Left most and right most index
Smallest subarray with sum greater than x
Closest Strings
Check if actual binary representation of a number is palindrome
Remaining String
Closing bracket index
Convert a sentence into its equivalent mobile numeric keypad sequence
Remove b and ac from a given string
Check if the number is balanced
Rearrange a string
Remove Duplicates
Nearest multiple of 10
Count Substrings
Twice Counter
Word with maximum frequency
Two Sum - Pair with Given Sum
Second most repeated string in a sequence
Number of occurrence
K-Pangrams
Reversing the equation
Check if array is sorted
Longest Common Prefix of Strings
Special array reversal
Two sum -Pairs with 0 Sum
Segregate 0s and 1s
Count the Zeros
Palindrome String
Pattern Searching
Print Bracket Number
Easy string
Divisible by 7
Extract the Number from the String
Find the Highest number
Help Ishaan
Sequence Fun
Primes sum
Plus One
Smallest window containing 0, 1 and 2
Smallest factorial number
Refueling
Print Linked List
Find Length of Linked List
Replace all 0's with 5
First Occurence
Linked List Insertion At End
Anagram of String
Is Linked List Length Even?
Identical Linked Lists
Modular Node
Insert in Middle of Linked List
Count Odd and Even
Array Search
Reverse a String
Searching in an Array
Elements in the Range
Largest Element in Array
Rotate Array by One
Game with nos
Array Subset
Min and Max in Array
Trapping Rain Water
Histogram Max Rectangular Area
Longest Prefix Suffix
Longest valid Parentheses
IPL 2021 - Final
Search in a 2D Matrix
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