D
unknown_me
STREAK
85/1476
days
Longest streak/Global longest streak
Language Used
Python, C++, Java
Coding Score
1363
Problem Solved
414
Contest Rating
-
8 points
Contributor
8 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
0 submissions in current year
SCHOOL (0)
BASIC (4)
EASY (159)
MEDIUM (212)
HARD (39)
- Pairwise swap elements of a linked list
- Delete nodes having greater value on right
- Right View of Binary Tree
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- Level Order in spiral form
- DFS of Graph
- Insert a node in a BST
- BFS of graph
- Lowest Common Ancestor in a BST
- Binary Tree to BST
- Unique rows in boolean matrix
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Inorder Successor in BST
- Insert in a Sorted List
- More than n/k Occurrences
- Next Right Node
- Median of BST
- Leaf under budget
- Queue Reversal
- Delete Mid of a Stack
- Frequency in Queue
- Frequency Game
- First Set Bit
- Check K-th Bit
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Print adjacency list
- Transpose of Matrix
- Matrix Boundary Traversal
- Non Repeating Character
- Minimum Cost of ropes
- N meetings in one room
- Adding Ones
- Move All Zeroes to End
- Chocolate Distribution Problem
- Alternate Positive Negative
- Rotate Bits
- Number of occurrence
- Reversing the equation
- Convert an array to reduced form
- Find the closest pair from two arrays
- Palindrome String
- Fitting The Array
- Balanced string
- Is Binary Number Multiple of 3
- Minimum Operations
- Number of 1 Bits
- Nth Fibonacci Number
- Copy Set Bits in Range
- Sum 1 to n Divisors
- The Bit Game
- Minimum number of Coins
- Number Of Open Doors
- Perfect Numbers
- Smallest number with sum of digits as N and divisible by 10^N
- Largest number possible
- Form a number divisible by 3 using array digits
- Least Prime Factor
- Sum of First N Natural Numbers
- Tom and Jerry
- Maximum Diamonds
- Arithmetic Number
- Surround the 1's
- Help Ishaan
- Trace Path
- Print Pattern
- Primes sum
- Print the pattern
- Check if it is possible to convert one string into another with given constraints
- Minimum Exchange
- Count all possible paths from top left to bottom right
- Ball coloring
- Modified Numbers and Queries
- Sum of k smallest elements in BST
- Print Diagonally
- Maximum number of 2X2 squares
- Minimum Swaps
- License Key Formatting
- Count the Substrings
- Smallest Subset with Greater Sum
- Minimum Sum of Absolute Differences of Pairs
- Move Last Element to Front of a Linked List
- Find pairs with given sum in doubly linked list
- Assign Tasks
- Maximum Number
- Maximum Frequency
- Bus Conductor
- Yet another query problem
- Maximum Depth Of Binary Tree
- Make Palindrome
- 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
- Last cell in a Matrix
- Balloon Everywhere
- Range OR
- Reverse both parts
- Cutting Rectangles
- Make Array Elements Equal
- Equal Left and Right Subarray Sum
- Make the array beautiful
- Remainder on dividing by 11
- Is it Fibonacci
- Taxi Booking
- Occurrences of 101
- Max Level Sum in Binary Tree
- Binary matrix having maximum number of 1s
- Number of Subarrays of 0's
- Maximum Identical Bowls
- Bus Conductor
- Wifi Range
- Minimum Number
- Select Maximum number
- Minimum Integer
- Seating Arrangement
- String Mirror
- Make Palindrome
- Binary Modulo
- Dominant Pairs
- Total Traversal Time
- Accept The Challenge
- Refueling
- Ticket Counter
- Happy Friends
- Weight Problem
- Separate Stone
- Balloon Everywhere
- Maximum Number
- Two Swaps
- Beautiful Number
- Strong Students in School
- Complete the Staircase
- String Matching
- Silver and Gold
- Construction of a string
- Maximum occurring digit
- Strong Students in School
- Minimise the Expression
- Is it a Leap Year
- Antique Collections
- Occurrences of 101
- Divide and Rule
- Candy shop I
- Minimum Number of Elements
- Reverse alternate nodes in Link List
- Quick Sort
- Heap Sort
- Absolute List Sorting
- Two Stacks in an Array
- Topological sort
- Find kth element of spiral matrix
- Count Palindromic Subsequences
- Multiply two strings
- Closest in BST
- Find triplets with zero sum
- Duplicate Subtree
- Union of Two Linked Lists
- Leftmost and rightmost nodes of binary tree
- Isomorphic Trees
- Predecessor and Successor
- Normal BST to Balanced BST
- Kth Ancestor in a Tree
- Smallest Positive Missing
- Wave Array
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Indexes of Subarray Sum
- Merge Without Extra Space
- Level of Nodes
- Make Matrix Beautiful
- Boolean Matrix
- Case-specific Sorting of Strings
- Stickler Thief
- Longest Increasing Subsequence
- Lucky Numbers
- Nth Catalan Number
- Container With Most Water
- Stock Buy and Sell – Multiple Transaction Allowed
- Word Search
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Maximum Sub Array
- Flip Bits
- Count of Subarrays
- Pythagorean Triplet
- Count Full Binary Trees
- Alternate Vowel and Consonant String
- Add Binary Strings
- Column name from a given column number
- Substrings with K Distinct
- Cutting Binary String
- k largest elements
- Sum of XOR of all pairs
- Longest Palindrome in a String
- Arranging the array
- Rod Cutting
- Maximize the sum of selected numbers from a sorted array to make it empty
- First and Last Occurrences
- A difference of values and indexes
- Find patterns
- Permutations of a String
- CamelCase Pattern Matching
- Lexicographically smallest string
- Unique Number II
- Bleak Numbers
- Largest prime factor
- Santa Banta
- Perfect Sum Problem
- Power Of 2 and Subsequences
- Knapsack with Duplicate Items
- nCr
- Partition Equal Subset Sum
- Longest Bitonic subsequence
- Magic Triplets
- Fill up buckets
- Matchsticks game
- Subset Sums
- Unique partitions
- Akku and Binary Numbers
- Number of paths
- LCM Triplet
- Jumping Numbers
- A Game of LCM
- Count even length
- Grouping Of Numbers
- Find the Safe Position
- Missing number in matrix
- Smaller on Left
- Longest Repeating Subsequence
- Composite and Prime
- Decode the string
- Total Decoding Messages
- Stream First Non-repeating
- Maximum Sub-String after at most K changes
- 2D Hopscotch
- Longest Perfect Piece
- Geek and Strings
- Satisfy the equation
- Transitive closure of a Graph
- Replace O's with X's
- Two odd Occuring
- Find all distinct subset (or subsequence) sums
- Queries on a Matrix
- Express as sum of power of natural numbers
- Find the string in grid
- Floyd Warshall
- Shortest Source to Destination Path
- Geek and Number String
- Save Your Life
- Substrings of length k with k-1 distinct elements
- Find duplicate rows in a binary matrix
- BST to max heap
- Flatten binary tree to linked list
- IPL 2021 - Match Day 2
- Remove and Reverse
- Even Swap
- Reverse a Stack
- Maximum Meetings in One Room
- Max Equal sum of 3 Stacks
- Smallest sum contiguous subarray
- Array Removals
- Minimum Cost to cut a board into squares
- Stack Permutations
- Wine Buying and Selling
- Replace every element with the least greater element on its right
- Minimum Swaps
- Check if all levels of two trees are anagrams or not
- Number of Distinct Islands
- Shortest Distance in a Binary Maze
- Minimum Multiplications to reach End
- Number Of Enclaves
- Eventual Safe States
- Alex Travelling
- Number Of Islands
- Merging Details
- Number of Ways to Arrive at Destination
- Shortest path in Directed Acyclic Graph
- Sum of Beauty of All Substrings
- Asteroid Collision
- Aggressive Cows
- Smaller Sum
- Task Scheduler
- Hands of Straights
- Lemonade Change
- Maximum Sum Combination
- 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
- 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
- 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
- Maximum Intersecting Lines
- String rp or pr
- Knight in Geekland
- Shy Geek
- Count Special Numbers
- Minimum Steps Required
- Count Cyclic Paths
- Maximum Triplet product
- Second smallest number
- Special Palindrome Substrings
- Maximum Possible Value
- Distinct Difference
- Anagrams in Linked List
- Yet another query problem
- Geek hates too many 1s
- 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
- Another Coin Change Problem
- Find Number
- Powerful Integer
- Good Subtrees
- Easy Task
- Add Minimum Characters
- Tree Transformation
- Construct a Full Binary Tree
- Modify Linked List-1
- Find Kth permutation
- Fraction pairs with sum 1
- Linked List Group Reverse
- Reorder List
- Binary Tree to DLL
- AVL Tree Deletion
- Nodes at given distance in binary tree
- String Permutations
- Solve the Sudoku
- Next Smallest Palindrome
- Search Pattern
- Number of distinct subsequences
- Minimum sum partition
- Palindromic Partitioning
- Next Happy Number
- Count occurrences of a given word in a 2-d array
- Find number of closed islands
- Scrambled String
- Maximum Number of Toys
- 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
- Fixing Two swapped nodes of a BST
- Shortest Path Using Atmost One Curved Edge
- Avoid Explosion
- Walls Coloring II
- Redundant Parenthesis
- Count Binary Strings With No Consecutive 1s
- Divide in Incremental Groups
- Max min Height
- Maximum Number of coins
- Median of the Subarrays
- Minimum BST Sum Subtree
- Special Digits
- Min Time
- Making A Large Island
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