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aishwarya.27
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BASIC (65)
EASY (118)
MEDIUM (75)
HARD (5)
- Reverse a linked list
- Frequency in a Linked List
- Node at a given index in linked list
- Remove duplicates from an unsorted linked list
- Inorder Traversal
- Check for BST
- Right View of Binary Tree
- Mirror Tree
- Maximum Width of Tree
- Delete without head pointer
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Left View of Binary Tree
- Transform to Sum Tree
- Find Transition Point
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Level Order in spiral form
- Stack using Linked List
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Square Root
- Lowest Common Ancestor in a BST
- Remove Duplicates Sorted Array
- Level Order Line by Line
- BST Keys in a Range
- Minimum Depth of a Binary Tree
- Third largest element
- Josephus problem
- Kth largest element in BST
- Max Level Sum in Binary Tree
- Special Stack
- Three way partitioning
- Level order traversal
- Inorder Successor in BST
- Reverse Using Stack
- Symmetric Tree
- Count Pairs whose sum is equal to X
- Find length of Loop
- Median of BST
- Queue Reversal
- Reverse first K of a Queue
- Sum of Leaf Nodes
- SPP - Digit Sum
- Controlled_Printing
- Coding with Operators
- Taking input
- Learn to Comment
- Even Odd
- Max and Second Max
- Hashing for pair - 1
- Hashing for pair - 2
- Inorder traversal of a BST
- Levelorder traversal of a BST
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Factorial Of Number
- Digits In Factorial
- GP Term
- Primality Test
- Mean And Median of Array
- Minimum adjacent difference in a circular array
- Wave Array
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Count 1's in binary array
- Floor in a Sorted Array
- Minimum Number in a sorted rotated array
- Roof Top
- Rotate by 90 degree
- Naive Pattern Search
- Count Non-Repeated Elements
- Print Non-Repeated Elements
- Anagram
- Winner of an election
- String Rotated by 2 Places
- Strings Rotations of Each Other
- Isomorphic Strings
- Non Repeating Character
- Removing consecutive duplicates
- Removing consecutive duplicates - 2
- Parenthesis Checker
- Generate Binary Numbers
- K largest elements
- Count Digits in a Number
- Digital Root
- First Repeating Element
- Union of Arrays with Duplicates
- Check Equal Arrays
- Missing in Array
- Intersection of Arrays with Distinct
- Pairs which are Divisible by 4
- Common in 3 Sorted Arrays
- Sorted and Rotated Minimum
- Move All Zeroes to End
- Missing number
- String Manipulation
- Left most and right most index
- Closing bracket index
- Nearest multiple of 10
- Greater on right side
- Second Largest
- Modify the Array
- Convert an array to reduced form
- Two sum -Pairs with 0 Sum
- Count the Zeros
- Element that appears once where every element occurs twice
- Row with Minimum 1s
- Search in Linked List
- Array to Linked List
- Introduction to Trees
- Introduction to Doubly Linked List
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Detect Loop in linked list
- Count BST nodes that lie in a given range
- Bottom View of Binary Tree
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Delete a node from BST
- Directed Graph Cycle
- LCA in Binary Tree
- Maximum difference between node and its ancestor
- Two Stacks in an Array
- The Celebrity Problem
- Vertical Tree Traversal
- Gas Station
- Linked List to Binary Tree
- Kth element in Matrix
- Is Binary Tree Heap
- Remove loop in Linked List
- Palindrome Linked List
- Closest in BST
- Sort a stack
- Top View of Binary Tree
- Find Common Nodes in two BSTs
- Maximum path sum from any node
- Children Sum in a Binary Tree
- Convert Level Order Traversal to BST
- ZigZag Tree Traversal
- Count Number of SubTrees having given Sum
- Vertical Width of a Binary Tree
- Pairwise swap of nodes in LinkedList
- Floor in BST
- Ceil in BST
- Pair Sum in BST
- Tower Of Hanoi
- Smallest Positive Missing
- Maximum occured integer
- Possible Words From Phone Digits
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Two Repeated Elements
- Union of 2 Sorted Arrays
- Triplet Sum in Array
- Spirally traversing a matrix
- Subarray with 0 sum
- Subarray range with given sum
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- Infix to Postfix
- Kth largest element
- Kth smallest element
- Kth largest element in a stream
- Lucky Numbers
- Longest Subarray Of Evens And Odds
- Maximum Water Between Two Buildings
- Sort 0s, 1s and 2s
- Sum of Middle elements of two sorted arrays
- Single Among Doubles in a Sorted
- Single Among Doubles
- Search in Rotated Sorted Array
- Row with max 1s
- Sum of two large numbers
- k largest elements
- K-th element of two Arrays
- Minimum swaps and K together
- Permutations of a String
- Game of XOR
- Count ways to N'th Stair(Order does not matter)
- Rotate Array
- Count Linked List Nodes
- Check for Binary String
- Postorder Traversal
- Implement stack using array
- Queue using Linked List
- Doubly linked list Insertion at given position
- Replace all 0's with 5
- Replace all 0's with 5
- Count zeros in a sorted matrix
- Print number pattern
- Preorder Traversal
- First Occurence
- Search a node in BST
- Palindromic Array
- Multiply Matrices
- Peak element
- Linked List Insertion At End
- C++ Functions (Sum of numbers) | Set 1
- Minimum element in BST
- Is Linked List Length Even?
- Identical Linked Lists
- Insert in Middle of Linked List
- Alternates in an Array
- Start Coding
- Who has the majority?
- Strongest Neighbour
- Array insert at index
- Array insert at end
- Operations on Stack
- Operations on Queue
- Absolute Value
- Convert Celsius To Fahrenheit
- Quadratic Equation Roots
- Print 1 To N Without Loop
- Reverse array in groups
- Array Search
- Sorted Array Search
- Left Index
- Check if a string is Isogram or not
- Binary String
- Most Frequent Character
- Remove common characters and concatenate
- Repeating Character - First Appearance Leftmost
- Sum of Digits of a Number
- Power Using Recursion
- Fibonacci Using Recursion
- Addition Under Modulo
- Multiplication Under Modulo
- Keypad typing
- Sort The Array
- Max and Min Product from 2 Arrays
- Last index of One
- Largest Element in Array
- Rotate Array by One
- Min and Max in Array
- Multiply left and right array sum
- Boolean String Value
- Find the fine
- House Robber
- Sum of odd and even elements
- C++ 2-D Arrays | Set-1
- C++ 2-D Arrays | Set-2
- Repetitive Addition Of Digits
- Sorted matrix
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