aeroabrar_31
STREAK
94/1477
days
Longest streak/Global longest streak
Language Used
Java, Javascript, C++
Coding Score
1880
Problem Solved
560
Contest Rating
-
146 points
Contributor
146 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
2 submissions in current year
SCHOOL (0)
BASIC (13)
EASY (197)
MEDIUM (290)
HARD (60)
- Pairwise swap elements of a linked list
- Linked list of strings forms a palindrome
- Delete nodes having greater value on right
- Reverse a Doubly Linked List
- Check for BST
- K distance from root
- Mirror Tree
- Height of Binary Tree
- Balanced Tree Check
- Middle of a Linked List
- Delete Middle of Linked List
- Decimal Equivalent of Binary Linked List
- Intersection Sorted Linked Lists
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- Reverse Level Order Traversal
- DFS of Graph
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Square Root
- Nodes without a Sibling
- Binary Tree to BST
- Toeplitz matrix
- Remove every k'th node
- Leaves at Same Level or Not
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Three way partitioning
- Index of an Extra Element
- Insert in a Sorted List
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Symmetric Tree
- Find the Sum of Last N nodes of the Linked List
- Count Pairs whose sum is equal to X
- Find length of Loop
- Leaf under budget
- Reverse first K of a Queue
- Remove Half Nodes
- Closest Neighbour in BST
- Brothers From Different Roots
- Predict the Column
- Xoring and Clearing
- Frequency Game
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Roof Top
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Matrix Boundary Traversal
- Winner of an election
- String Rotated by 2 Places
- Isomorphic Strings
- Reverse Words
- Panagram Checking
- Parenthesis Checker
- Minimum Cost of ropes
- N meetings in one room
- Reach a given score
- Count ways to N'th Stair
- Count number of hops
- Missing in Array
- Roman Number to Integer
- Max Value Permutation
- Move All Zeroes to End
- String Duplicates Removal
- Find Pair Given Difference
- Alternate Positive Negative
- Remove Duplicates
- Convert array into Zig-Zag fashion
- Rotate Bits
- Number of occurrence
- Reversing the equation
- Does array represent Heap
- Convert an array to reduced form
- Sum Pair closest to target
- Find missing in second array
- String's Count
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Play With OR
- Find the closest pair from two arrays
- Palindrome String
- Total count
- Print Bracket Number
- Odd Even Problem
- Binary representation of next number
- Padovan Sequence
- Extract the Number from the String
- Minimum Operations
- Divisibility by 8
- Reverse Bits
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Maximum Sum Problem
- Party of Couples
- Shortest path from 1 to n
- Sum 1 to n Divisors
- Count numbers containing 4
- Reach the Nth point
- Perfect Numbers
- Largest number possible
- Recamans sequence
- Form a number divisible by 3 using array digits
- Recursive sequence
- Juggler Sequence
- Summed Matrix
- Arithmetic Number
- Row with Minimum 1s
- Surround the 1's
- Coverage of all Zeros in a Binary Matrix
- Inorder Traversal and BST
- Letters Collection
- Print Pattern
- Sum of dependencies in a graph
- Count the Substrings
- Smallest window containing 0, 1 and 2
- Insert an Element at the Bottom of a Stack
- Fibonacci series up to Nth term
- Stock Buy and Sell – Max one Transaction Allowed
- Minimize the sum
- Last modified ball
- Transform to Sum Tree
- Parent of Max GCD Siblings in a Binary Tree
- Find the first node of loop in linked list
- Maximum Weight Node
- Type it!
- Min operations
- Is it Fibonacci
- All Numbers
- Prefix Subsequences
- Toggle
- Split the String
- Last cell in a Matrix
- Balloon Everywhere
- Save Civilians
- Range OR
- Reverse both parts
- Cutting Rectangles
- Frogs and Jumps
- Make Array Elements Equal
- Equal Left and Right Subarray Sum
- Make the array beautiful
- Remainder on dividing by 11
- Is it Fibonacci
- Nice Array
- Taxi Booking
- Occurrences of 101
- Max Level Sum in Binary Tree
- Binary matrix having maximum number of 1s
- Number of Subarrays of 0's
- Wifi Range
- Minimum Number
- Select Maximum number
- Minimum Integer
- Maximize Sum
- Dominant Pairs
- Total Traversal Time
- Antique Collections
- Beautiful Number
- Strong Students in School
- Silver and Gold
- Mean BST
- Weird Island
- Construction of a string
- Find Bots on Geeklandster
- Negative Prefix
- Maximum occurring digit
- Antique Collections
- Minimum Distance
- Count Indices
- Return To Root
- Find fun(x)
- Equality
- Character Matrix Conundrum
- Check for Consecutive
- Frequency of every Element
- Find Mode in BST
- Geek Count
- Reach Alice
- Bob's Game
- First Word
- Perfect Meeting
- Validate distribution
- Find Smallest
- Winner Team
- Meeting Rooms
- Find Minimum Cost
- Reverse alternate nodes in Link List
- Rotate a Linked List
- Add Number Linked Lists
- Insert in Sorted Circular Linked List
- Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Delete without head pointer
- Sum Tree
- Construct Binary Tree from Parent Array
- Directed Graph Cycle
- Undirected Graph Cycle
- Absolute List Sorting
- Max sum path in two arrays
- Topological sort
- Max sum in the configuration
- Linked List to Binary Tree
- Validate an IP Address
- Additive sequence
- Largest BST
- Sorted subsequence of size 3
- Multiply two strings
- Implement Atoi
- Maximum Difference
- Palindrome Linked List
- Print matrix in diagonal pattern
- Rat in a Maze Problem - I
- Bipartite Graph
- BST with Dead End
- Merge two BST 's
- Root to leaf paths sum
- Duplicate Subtree
- Find Common Nodes in two BSTs
- Level order traversal
- Peak element
- Euler Circuit in an Undirected Graph
- Euler circuit and Path
- Ancestors in Binary Tree
- Binary Tree to CDLL
- Root to Leaf Paths
- Populate Inorder Successor for all nodes
- Linked List that is Sorted Alternatingly
- K Sum Paths
- Leftmost and rightmost nodes of binary tree
- Arrange Consonants and Vowels
- Count the nodes at distance K from leaf
- Vertical sum
- Isomorphic Trees
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Normal BST to Balanced BST
- Duplicate Subtrees
- Sum of nodes on the longest path
- ZigZag Tree Traversal
- Vertical Width of a Binary Tree
- Mother Vertex
- Smallest Positive Missing
- Wave Array
- Maximum Index
- Rotate Array
- Kadane's Algorithm
- Two Repeated Elements
- Union of 2 Sorted Arrays
- Level of Nodes
- Make Matrix Beautiful
- Boolean Matrix
- Spirally traversing a matrix
- Determinant of a Matrix
- Distance of nearest cell having 1
- Subarray with 0 sum
- Subarray range with given sum
- Sort Elements by Decreasing Frequency
- Strings Rotations of Each Other
- Case-specific Sorting of Strings
- Postfix Evaluation
- K Sized Subarray Maximum
- Nearly sorted
- Fractional Knapsack
- Job Sequencing Problem
- M-Coloring Problem
- Minimum Jumps
- Stickler Thief
- Optimal Strategy For A Game
- Sum of all substrings of a number
- Lucky Numbers
- Allocate Minimum Pages
- Zero Sum Subarrays
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Rotten Oranges
- Maximize The Cut Segments
- Container With Most Water
- Top K Frequent in Array
- Closest Three Sum
- Word Break
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Paths to reach origin
- Pascal Triangle
- Flip Bits
- Top k numbers in a stream
- Sum of Middle elements of two sorted arrays
- Consecutive 1's not allowed
- Pythagorean Triplet
- Painting the Fence
- Search in Rotated Sorted Array
- Count pairs Sum in matrices
- Sum of bit differences
- Maximum Product Subarray
- Longest subarray with sum divisible by K
- Check if a string is repetition of its substring of k-length
- Check if frequencies can be equal
- Column name from a given column number
- Substrings with K Distinct
- Form a palindrome
- Nuts and Bolts Problem
- Max Sum without Adjacents
- Shuffle integers
- Find the N-th character
- Sum of XOR of all pairs
- Longest Substring with K Uniques
- K-th element of two Arrays
- K closest elements
- LCS of three strings
- Largest Sum Subarray of Size at least K
- Minimize the Heights II
- Transform to prime
- First and Last Occurrences
- Minimum Deletions
- Print N-bit binary numbers having more 1s than 0s
- Number following a pattern
- Unique Number II
- Bleak Numbers
- Modular Exponentiation
- Game of XOR
- Maximum Tip Calculator
- Modified Game of Nim
- Minimum number of deletions and insertions
- Maximize dot product
- Max Sum Increasing Subsequence
- Minimum cost to fill given weight in a bag
- String Subsequence
- Mobile numeric keypad
- Gold Mine Problem
- Perfect Sum Problem
- Smallest number
- Trail of ones
- K-Palindrome
- Longest subsequence-1
- Power Set
- Count ways to N'th Stair(Order does not matter)
- Knapsack with Duplicate Items
- Geek and its Game of Coins
- Minimum steps to destination
- Partition Equal Subset Sum
- Count possible ways to construct buildings
- Count digit groupings of a number
- Array Pair Sum Divisibility Problem
- Akku and Binary Numbers
- Number of paths
- Nth Natural Number
- Number of paths in a matrix with k coins
- Game with String
- Count even length
- Smith Number
- Next Permutation
- Missing number in matrix
- Maximum sum of hour glass
- How Many X's?
- Exit Point in a Matrix
- Longest alternating subsequence
- Total Decoding Messages
- Number of Rectangles in a Circle
- Largest square formed in a matrix
- Transitive closure of a Graph
- Replace O's with X's
- Two odd Occuring
- Rohan's Love for Matrix
- Traverse All Edges And Vertices
- Flood fill Algorithm
- Techfest and the Queue
- Largest subsquare surrounded by X
- Divisibility tree
- Subarrays with sum K
- Remove K Digits
- Construct list using given q XOR queries
- Number of Provinces
- Find duplicate rows in a binary matrix
- Single valued subtree
- Paths from root with a specified sum
- Shortest Prime Path
- Sort for Singly Linked List
- Remove all occurences of duplicates in a linked list
- Minimize the Heights I
- Anti Diagonal Traversal of Matrix
- Unique Number III
- All Unique Permutations of an array
- Course Schedule
- Clone an Undirected Graph
- Remove and Reverse
- Even Swap
- Maximum product subset of an array
- Maximum Meetings in One Room
- Buy Maximum Stocks
- Find shortest safe route in a matrix
- Largest subtree sum in a tree
- Wine Buying and Selling
- Graph is Tree or Not
- Sort a k sorted doubly linked list
- Minimum Multiplications to reach End
- Number Of Enclaves
- Eventual Safe States
- City With the Smallest Number of Neighbors at a Threshold Distance
- Path With Minimum Effort
- Shortest Path in Undirected Graph
- Shortest path in Directed Acyclic Graph
- Asteroid Collision
- Minimal Cost
- Aggressive Cows
- Combination Sum II
- Shortest Path in Weighted undirected graph
- Minimum Absolute Difference In BST
- Maximum Sum Combination
- Non-overlapping Intervals
- Floor in BST
- 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
- Carpet into Box
- Minimum X (xor) A
- 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
- Apple Sequences
- Connect Nodes at Same Level
- Unique Paths in a Grid
- Valid Compressed String
- Fill the Matrix
- Number of Good Components
- Optimal Array
- Best Node
- Update Queries
- Good Stones
- String rp or pr
- Knight in Geekland
- Shy Geek
- Count Special Numbers
- Minimum Steps Required
- Count Cyclic Paths
- Maximum Triplet product
- Special Palindrome Substrings
- Maximum Possible Value
- Distinct Difference
- Anagrams in Linked List
- Yet another query problem
- Geek hates too many 1s
- Remove the balls
- Unequal Arrays
- Job Sequencing Problem
- Bheem Wants Ladoos
- Prefix Suffix String
- Fest and Posters
- Shortest XY distance in Grid
- BST Maximum Difference
- Add Minimum Characters
- New Year Resolution
- Grinding Geek
- Flatten BST to sorted list
- Last Fairy Standing
- Minimize the Difference
- Pairs violating the BST property
- Kth common ancestor in BST
- Maximum Doublet XOR
- Binary Tree to DLL
- Min distance between two given nodes of a Binary Tree
- Serialize and deserialize a binary tree
- Subtraction in Linked List
- Distinct occurrences
- AVL Tree Insertion
- AVL Tree Deletion
- Merge Sort on Doubly Linked List
- Nodes at given distance in binary tree
- Max Circular Subarray Sum
- Smallest window containing all characters
- Minimum Cost Path
- Word Ladder I
- Burning Tree
- Next Smallest Palindrome
- Count Pairs in an Array
- Search Pattern
- Number of distinct subsequences
- Wildcard string matching
- Circle of strings
- Longest repeating and non-overlapping substring
- Sum-string
- Minimum Points To Reach Destination
- Palindromic Partitioning
- Strictly Increasing Array
- Generalised Fibonacci numbers
- Boolean Parenthesization
- Longest valid Parentheses
- Possible Paths in a Tree
- N-Queen Problem
- Brackets in Matrix Chain Multiplication
- Search Pattern (Rabin-Karp Algorithm)
- Find all Critical Connections in the Graph
- Distribute candies in a binary tree
- Scrambled String
- Find the String
- Maximum Number of Toys
- Stock Buy and Sell – Max 2 Transactions Allowed
- Min Chars to Add for Palindrome
- Largest rectangular sub-matrix whose sum is 0
- Vertex Cover
- Candy
- Better String
- Count Lucky Permutations
- Count the Substring
- Select Nodes
- Largest Sum Cycle
- Fixing Two swapped nodes of a BST
- Shortest Path Using Atmost One Curved Edge
- Avoid Explosion
- Walls Coloring II
- Redundant Parenthesis
- Divide in Incremental Groups
- Max min Height
- Maximum Number of coins
- Median of the Subarrays
- Special Digits
- Game Of Subsets
- Geekina Hate 1s
- Making A Large Island
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