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mohit kumar 29
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BASIC (31)
EASY (96)
MEDIUM (147)
HARD (24)
Sum to Primes
Student Record
Check the Brackets
Jumping the Subtree
Sum the Alternate Leaf Nodes
Transmutation
Sum Array
Maximum Integer Value
Most frequent word
Continuous Series
The Manipulator
Maximize The Profit
Reverse a linked list
Remove duplicates from an unsorted linked list
Delete in a Doubly Linked List
Reverse a Doubly Linked List
Check for BST
Right View of Binary Tree
K distance from root
Mirror Tree
Delete without head pointer
Height of Binary Tree
Balanced Tree Check
Middle of a Linked List
Check If Circular Linked List
Left View of Binary Tree
Remove Duplicates from a Sorted Linked List
Level Order in spiral form
DFS of Graph
Insert a node in a BST
BFS of graph
Identical Trees
Nodes without a Sibling
Lowest Common Ancestor in a BST
BST Keys in a Range
Odd even level difference
Remove every k'th node
Expression Tree
Delete in a Singly Linked List
Kth largest element in BST
Special Stack
Sum of leaf nodes in BST
Symmetric Tree
Delete Alternate Nodes
Find the Sum of Last N nodes of the Linked List
Count Pairs whose sum is equal to X
Find length of Loop
Median of BST
Find n/k th node in Linked list
Maximum Pairwise Computed Value
Sum of Leaf Nodes
Move all zeros to the front of the linked list
Min Heap implementation
First Set Bit
Rightmost different bit
Check K-th Bit
Power of 2
Wave Array
Array Leaders
Winner of an election
String Rotated by 2 Places
Reverse Words
Minimum indexed character
Parenthesis Checker
N meetings in one room
Count number of hops
Missing in Array
Roman Number to Integer
Common in 3 Sorted Arrays
Search in a Row-Column sorted matrix
Move All Zeroes to End
Min sum formed by digits
Chocolate Distribution Problem
Count the triplets
Closest Strings
Remove Duplicates
Jumping Caterpillars
Convert array into Zig-Zag fashion
Find all pairs with a given sum
Number of occurrence
Longest Common Prefix of Strings
First Repeated Character
Segregate 0s and 1s
Element with left side smaller and right side greater
Delete Array Elements
Print Bracket Number
Minimum Operations
Number of 1 Bits
Lucky Number
Maximum Product Cutting
Minimum number of Coins
Ticket sellers
Is Square
Inorder Traversal and BST
Sum of dependencies in a graph
Count all possible paths from top left to bottom right
Sorting Elements of an Array by Frequency
Rearrange characters
The Game of Digits
Sorting distance
Maximum number evaluation
K<sup>th</sup> Maximum element of Max-Heap
The Game of Digits
The Operations
Rotate a Linked List
Sort a linked list of 0s, 1s and 2s
Detect Loop in linked list
Merge Sort
Quick Sort
Bottom View of Binary Tree
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
Directed Graph Cycle
Undirected Graph Cycle
LCA in Binary Tree
Maximum difference between node and its ancestor
Largest subarray with 0 sum
Topological sort
Vertical Tree Traversal
Merge K sorted linked lists
Find the number of islands
Get Min from Stack
Gas Station
Extreme nodes in alternate order
Remove loop in Linked List
Dijkstra Algorithm
Minimum Spanning Tree
Largest BST
Palindrome Linked List
Rat in a Maze Problem - I
Closest in BST
Merge two BST 's
Longest Palindrome in Linked List
Bridge edge in a graph
Top View of Binary Tree
Polynomial Addition
Ancestors in Binary Tree
Pair Sum in BST
Root to Leaf Paths
Linked List that is Sorted Alternatingly
Modify Linked List-1
Diagonal sum in binary tree
Deletion and Reverse in Circular Linked List
Normal BST to Balanced BST
ZigZag Tree Traversal
Count Number of SubTrees having given Sum
Count set bits
Rotate and delete
Rearrange Array Alternately
Rearrange an array with O(1) extra space
Stock buy and sell
Kadane's Algorithm
Count Inversions
Unique BST's
Indexes of Subarray Sum
Unit Area of largest region of 1's
Subarrays with equal 1s and 0s
Longest Consecutive Subsequence
Kth smallest element
Minimum Platforms
Minimum Jumps
Stickler Thief
Ways to Reach the n'th Stair
Egg Dropping Puzzle
Optimal Strategy For A Game
Longest Increasing Subsequence
Longest Common Subsequence
0 - 1 Knapsack Problem
Equal Sum Partition
Sort according to an Array
Preorder to BST
X Total Shapes
Zero Sum Subarrays
Find whether path exist
Shortest Common Supersequence
Rotten Oranges
Count subsequences of type a^i, b^j, c^k
Maximize The Cut Segments
Rotate by 90 degree
Overlapping Intervals
Word Boggle
Excel Sheet | Part - 1
Sort 0s, 1s and 2s
Maximum Index
Count Occurences of Anagrams
Single Among Doubles
Pythagorean Triplet
Maximum Intervals Overlap
Form the Largest Number
Swapping pairs make sum equal
Column name from a given column number
Palindrome SubStrings
Form a palindrome
Max Sum without Adjacents
k largest elements
Longest Common Substring
Longest Palindrome in a String
Look and Say Pattern
Possible groups
Rod Cutting
Fill array with 1's
First and Last Occurrences
Valid Substring
Number following a pattern
Subarrays Product Less than K
Modular Exponentiation
Max Sum Increasing Subsequence
Coin Change (Count Ways)
Sequence of Sequence
Dice throw
Firing employees
Count ways to N'th Stair(Order does not matter)
Count of sum of consecutives
Maximum path sum in matrix
Partition Equal Subset Sum
Array Pair Sum Divisibility Problem
Number of paths
Knight Walk
Permutation with Spaces
Fraction to Repeating Decimal
Next Permutation
Nitika and her queries
Decode the string
Stream First Non-repeating
Kth Largest in a Stream
Snake and Ladder Problem
Transitive closure of a Graph
Replace O's with X's
Mail System Design
Nodes at even distance
Count the paths
Floyd Warshall
Flood fill Algorithm
Shortest Source to Destination Path
Maximum sum Rectangle
Hamiltonian Path
Recursively Remove Adjacent Duplicates
Game of Function
Pairing the brackets
Geek and the equation
Unit Digit
Print Linked List
Count Leaves in Binary Tree
Queue using Linked List
Doubly linked list Insertion at given position
Count zeros in a sorted matrix
Search a node in BST
Linked List Insertion At End
Minimum element in BST
Anagram of String
Circular Linked List Traversal
Is Linked List Length Even?
Modular Node
Insert in Middle of Linked List
Bit Difference
Reverse array in groups
Binary Array Sorting
Binary String
Sum of numbers in string
First n Fibonacci
Binary Array Sorting
Immediate Smaller Element
First 1 in a Sorted Binary Array
Array Subset
Find position of set bit
Set kth bit
Angle between hour and minute hand
Minimum difference pair
Rotten Oranges
Special Primes
The Increment
Reorder List
Binary Tree to DLL
Min distance between two given nodes of a Binary Tree
Longest Palindromic Substring in Linear Time
Alien Dictionary
Max Path Sum 2 Special Nodes
Trapping Rain Water
Smallest window containing all characters of another string
Histogram Max Rectangular Area
Find median in a stream
Solve the Sudoku
Merge K sorted linked lists
Minimum Cost Path
Merge Without Extra Space
Ugly Numbers
Largest rectangle of 1s with swapping of columns allowed
Circle of strings
Edit Distance
Minimum sum partition
Longest valid Parentheses
N-Queen Problem
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