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manavsarkar07
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Indian Institute of Engineering Science and Technology (IIEST) Shibpur Howrah
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BASIC (7)
EASY (91)
MEDIUM (346)
HARD (67)
Replace all 0's with 5
Sum Except First and Last
Anagram of String
Print 1 To N Without Loop
Binary Array Sorting
Shortest direction
Max Min
Rotate a Linked List
Add Number Linked Lists
Rearrange a linked list
Merge Sort
Quick Sort
Binary Tree from Inorder and Postorder
Intersection in Y Shaped Lists
Diameter of a Binary Tree
Heap Sort
Merge two sorted linked lists
Add all greater values to every node in a BST
Sum Tree
Connect Nodes of Levels
Flattening a Linked List
Diagonal Tree Traversal
Tree Boundary Traversal
Delete a node from BST
Directed Graph Cycle
Undirected Graph Cycle
LCA in Binary Tree
Absolute List Sorting
Binary Heap Operations
Max sum path in two arrays
The Celebrity Problem
Topological sort
Vertical Tree Traversal
Merge K sorted linked lists
Find the number of islands
Find kth element of spiral matrix
Max sum in the configuration
Get Min from Stack
Gas Station
Wildcard Pattern Matching
Check if subtree
Kth smallest element in a Matrix
Validate an IP Address
Remove loop in Linked List
Dijkstra Algorithm
Minimum Spanning Tree
Largest BST
Interleaved Strings
Sorted subsequence of size 3
Count Palindromic Subsequences
Multiply two strings
Minimum Swaps to Sort
Implement Atoi
Palindrome Linked List
Strongly Connected
Rat in a Maze Problem - I
Bipartite Graph
Closest in BST
Merge two BST 's
Merge k Sorted Arrays
k-th Smallest in BST
Merge Sort for Linked List
Mountain Subarray Problem
Pair Sum in BST
Counting elements in two arrays
Construct Tree from Inorder & Preorder
Predecessor and Successor
Mother Vertex
Count set bits
Maximum AND Value
Power Of Numbers
Wave Array
Possible Words From Phone Digits
Rearrange an array with O(1) extra space
Maximum Index
Rotate Array
Kadane's Algorithm
Majority Element
Count Inversions
Smallest Positive missing number
Unique BST's
Union of 2 Sorted Arrays
Indexes of Subarray Sum
Count the number of possible triangles
Triplet Sum in Array
Merge Without Extra Space
Boolean Matrix
Spirally traversing a matrix
Search in a sorted Matrix
Unit Area of largest region of 1's
Subarrays with equal 1s and 0s
Longest Consecutive Subsequence
Case-specific Sorting of Strings
Stock span problem
Next Greater Element
Infix to Postfix
K Sized Subarray Maximum
Nearly sorted
Rearrange characters
Fractional Knapsack
Job Sequencing Problem
Minimum Platforms
Largest number in K swaps
Combination Sum
Unique Subsets
M-Coloring Problem
Minimum Jumps
Stickler Thief
Ways to Reach the n'th Stair
Egg Dropping Puzzle
Optimal Strategy For A Game
Minimum number of jumps
nCr
Longest Increasing Subsequence
Longest Common Subsequence
0 - 1 Knapsack Problem
Largest number
K nearest Points
Equal Sum Partition
Sort according to an Array
Allocate Minimum Pages
Zero Sum Subarrays
Find whether path exist
Kth Smallest
Shortest Common Supersequence
Rotten Oranges
Steps by Knight
Most frequent word in an array of strings
Count subsequences of type a^i, b^j, c^k
Longest Substring Without Repeating Characters
Maximize The Cut Segments
Container With Most Water
Print Anagrams Together
Rotate by 90 degree
Most Frequent Non Bad word
Convert Integer to English Word
K closest point to origin
Maximum Subarray Sum
Closest Three Sum
Word Break
Stock Buy and Sell – Multiple Transaction Allowed
Generate Parentheses
Word Search
Prerequisite Tasks
4 Sum - All Quadruples
Excel Sheet | Part - 1
Paths to reach origin
Complement
Maximum Sub Array
Maximum Index
Maximize Number of 1's
Count of Subarrays
Single Among Doubles
Count Full Binary Trees
Form the Largest Number
Add Binary Strings
Maximum Product Subarray
Longest subarray with sum divisible by K
Row with max 1s
Cutting Binary String
Maximum length Bitonic Subarray
Length of the longest substring
k largest elements
Longest Common Substring
Longest Arithmetic Subsequence
Rod Cutting
Maximize the sum of selected numbers from a sorted array to make it empty
Longest Palindromic Subsequence
Minimize the Heights II
Next higher palindromic number using the same set of digits
A difference of values and indexes
Permutations of a String
Missing Intervals
CamelCase Pattern Matching
Lexicographically smallest string
Subarrays Product Less than K
Max Sum Increasing Subsequence
Santa Banta
Power Of 2 and Subsequences
Shreyansh and his bits
nCr
Longest Bitonic subsequence
Array Pair Sum Divisibility Problem
Magic Triplets
Matchsticks game
Unique partitions
Akku and Binary Numbers
Nth Natural Number
LCM Triplet
Assembly Line
Count even length
Next Permutation
Missing number in matrix
Smaller on Left
Composite and Prime
Decode the string
Is Sudoku Valid
Preorder Traversal and BST
Total Decoding Messages
Stream First Non-repeating
2D Hopscotch
Print leaf nodes from preorder traversal of BST
Kth Largest in a Stream
Snake and Ladder Problem
Geek and Strings
The Smurfs
Satisfy the equation
Two odd Occuring
Find all distinct subset (or subsequence) sums
Queries on a Matrix
Express as sum of power of natural numbers
Flood fill Algorithm
Base Equivalence
Police and Thieves
Geek and Number String
Save Your Life
Restrictive Candy Crush
Closest Similar Elements
Jump Game
Iterative Inorder
Triplets with sum with given range
Preorder traversal (Iterative)
Iterative Postorder
All Palindromic Partitions
Covid Spread
Bellman-Ford
Gray Code
Subarrays with sum K
Remove BST keys outside given range
Partition a Linked List around a given value
Minimum XOR value pair
Open the gates
Sort a 2D vector diagonally
Coin Piles
Rearrange characters
Remove K Digits
Substrings of length k with k-1 distinct elements
Single valued subtree
BST to greater sum tree
Paths from root with a specified sum
Hotel Booking
Longest Subarray not having more than K distnict elements
Cousins of a given node
Division without using multiplication, division and mod operator
Minimum Difference
Minimize Difference
Sort for Singly Linked List
Unique Permutations
Remove all occurences of duplicates in a linked list
Subsets
Meeting Room
Group Anagram
Flatten binary tree to linked list
Sort last M elements
Rank The Permutations
Anti Diagonal Traversal of Matrix
IPL 2021 - Match Day 2
Find the element that appears once-II
Generating Numbers
Generating Sequence
Maximum Time
Minimum moves to reach target on a infinite line
Lexicographically smallest string using swaps
Remove and Reverse
Place k elements such that minimum distance is maximized
Origin Passing
LcmTester
Find k-th smallest element in given n ranges
Even Swap
Max Equal sum of 3 Stacks
Smallest sum contiguous subarray
Minimum Cost to cut a board into squares
Stack Permutations
Largest subtree sum in a tree
Wine Buying and Selling
Replace every element with the least greater element on its right
Construct Binary Tree from String with bracket representation
Number of Distinct Islands
Shortest Distance in a Binary Maze
Minimum Multiplications to reach End
Alex Travelling
Number Of Islands
Palindrome with minimum sum
Minimum adjacent swaps to convert string into palindrome
Longest Palindromic Subsequence
Intersection Point in Y Shaped Linked Lists
Diagonal Traversal of Binary Tree
Steps by Knight
Number of Ways to Arrive at Destination
Sum of Beauty of All Substrings
Asteroid Collision
Aggressive Cows
Hands of Straights
Lemonade Change
GCD Array
Minimize number of Students to be removed
Maximum Value
Shortest Prime Path
Flattening a Linked List
Absolute difference divisible by K
Make array elements unique
Next Greater Element in Circular Array
Minimum X (xor) A
Find minimum number of Laptops required
Geeks And The String
Find the longest string
Maximum Profit By Choosing A Subset Of Intervals
Minimum repeat to make substring
Paint N Houses
Max Sum without Adjacents
Intersection Point in Y Shaped Linked Lists
BST Downward Traversal
Length of the longest subarray with positive product
Count number of free cell
Maximum Bipartite Matching
Minimum Days
Prime List
Walls Coloring
Geeks Island
Best Node
Good Stones
Maximum Intersecting Lines
String rp or pr
Shy Geek
Count Special Numbers
Second smallest number
Special Palindrome Substrings
Maximum Possible Value
Distinct Difference
Anagrams in Linked List
Yet another query problem
Maximum Length
Remove the balls
Unequal Arrays
Job Sequencing Problem
Bheem Wants Ladoos
Prefix Suffix String
Smaller Sum
Shortest XY distance in Grid
BST Maximum Difference
Nearest smaller tower
Geek's Village and Wells
Find Number
Powerful Integer
Max Coins
Easy Task
Add Minimum Characters
Maximum subset sum
Count Total Setbits
Tree Transformation
Construct a Full Binary Tree
Modify Linked List-1
Find Kth permutation
Remove duplicates from an unsorted linked list
Inorder Traversal
Kth from End of Linked List
Middle of a Linked List
DFS of Graph
BFS of graph
Square Root
Largest subarray of 0's and 1's
Remove Duplicates from an array
Third largest element
Minimum distance in an Array
Array Duplicates
More than n/k Occurrences
Next Right Node
Frequency in Queue
Frequency Game
Max and Second Max
Frequencies in a Limited Array
Equilibrium Point
K largest elements
Minimum Cost of ropes
Count ways to N'th Stair
Missing in Array
Product array puzzle
Search an element in sorted and rotated array
Super Balanced Network
Password Decryption
Pizza Love
Intersection of Arrays with Distinct
Alternate Positive Negative
Reversing the equation
Does array represent Heap
Convert an array to reduced form
Find missing in second array
Balanced string
The Bit Game
Minimum number of Coins
Number Of Open Doors
Smallest number with sum of digits as N and divisible by 10^N
Least Prime Factor
Arithmetic Number
Help Ishaan
Sequence Fun
Print the pattern
Chicks in a Zoo
Maximum Sum LCM
Minimum Exchange
Count all possible paths from top left to bottom right
Ball coloring
Sum of k smallest elements in BST
Maximum number of 2X2 squares
Remaining Students
License Key Formatting
Most Booked Hotel Room
A Special String
Count the Substrings
Smallest Subset with Greater Sum
Minimum Sum of Absolute Differences of Pairs
Move Last Element to Front of a Linked List
Super Balanced Network
Algorithm Experts and Software Developers
Pizza Love
Balloon Everywhere
Reverse both parts
Set Bits
Make Palindrome
Last modified ball
Transform to Sum Tree
Type it!
Last cell in a Matrix
Balloon Everywhere
Frogs and Jumps
Make Array Elements Equal
Equal Left and Right Subarray Sum
Make the array beautiful
Taxi Booking
Binary matrix having maximum number of 1s
Number of Subarrays of 0's
Maximum Identical Bowls
Bus Conductor
Wifi Range
Minimum Number
Minimum Integer
Seating Arrangement
Make Palindrome
Bit Magic
Dominant Pairs
Total Traversal Time
Valuable String
Ticket Counter
Magic and toy shop
Linked List Group Reverse
Reorder List
Binary Tree to DLL
Clone List with Next and Random
Max rectangle
Subtraction in Linked List
Distinct occurrences
LRU Cache
Box Stacking
Partition array to k subsets
Maximum subset XOR
Alien Dictionary
Smallest range in K lists
Nodes at given distance in binary tree
Fixing Two nodes of a BST
Max Path Sum 2 Special Nodes
Trapping Rain Water
Max Circular Subarray Sum
Smallest window containing all characters
Histogram Max Rectangular Area
Max of min for every window size
Find median in a stream
Solve the Sudoku
Word Ladder I
Median of 2 Sorted Arrays of Different Sizes
Burning Tree
Merge Without Extra Space
The Painter's Partition Problem-II
Search Pattern
Longest Prefix Suffix
Circle of strings
Edit Distance
Bit Difference
Median in a row-wise sorted Matrix
Longest valid Parentheses
Phone directory
132 Geeky Buildings
Fraction To Recurring Decimal
Distribution of Candies
Reverse a sublist of a linked list
Word Ladder II
Maximum Admissions
Distribute candies in a binary tree
Shortest Unique prefix for every word
Find number of closed islands
Scrambled String
Count the number of subarrays
Nth Natural Number
A point and a polygon
Min Chars to Add for Palindrome
Minimum time to fulfil all orders
Expression Add Operators
MaxSkill
Count Lucky Permutations
Count the Substring
Select Nodes
Largest Sum Cycle
Redundant Parenthesis
Partition the Array
Divide in Incremental Groups
Max min Height
Median of the Subarrays
Minimum BST Sum Subtree
Special Digits
Cake Distribution Problem
Game Of Subsets
Maximum good length
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Campus Mantri
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