rohitsharma_26
STREAK
48/1483
days
Longest streak/Global longest streak
Organization
TATA CONSULTANCY SERVICE (TCS)
Language Used
C++, Java, Python
Coding Score
1992
Problem Solved
630
Contest Rating
__
126 points
Contributor
126 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
5 submissions in current year
SCHOOL (1)
BASIC (40)
EASY (207)
MEDIUM (331)
HARD (51)
- Sorting Elements of an Array by Frequency
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Add 1 to a Linked List Number
- Detect Loop in linked list
- Quick Sort
- Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Sum Tree
- Diagonal Tree Traversal
- Tree Boundary Traversal
- LCA in Binary Tree
- Absolute List Sorting
- Two Stacks in an Array
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological sort
- Vertical Tree Traversal
- Find kth element of spiral matrix
- Gas Station
- Kth smallest element in a Matrix
- Is Binary Tree Heap
- Remove loop in Linked List
- Interleaved Strings
- Minimum Swaps to Sort
- Implement Atoi
- Palindrome Linked List
- Rat in a Maze Problem - I
- Closest in BST
- BST with Dead End
- Merge k Sorted Arrays
- Find triplets with zero sum
- Sort a stack
- Duplicate Subtree
- Top View of Binary Tree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Level order traversal
- Peak element
- Merge Sort for Linked List
- Union of Two Linked Lists
- Euler circuit and Path
- Linked List that is Sorted Alternatingly
- K Sum Paths
- Leftmost and rightmost nodes of binary tree
- Construct Tree from Inorder & Preorder
- Isomorphic Trees
- Predecessor and Successor
- Normal BST to Balanced BST
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- ZigZag Tree Traversal
- Maximum sum of Non-adjacent nodes
- Mother Vertex
- Reverse array in groups
- Smallest Positive Missing
- Power Of Numbers
- Wave Array
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Stock buy and sell
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Binary Array Sorting
- Count Inversions
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Triplet Sum in Array
- Merge Without Extra Space
- Level of Nodes
- Make Matrix Beautiful
- Boolean Matrix
- Spirally traversing a matrix
- Rotate by 90 degree
- Distance of nearest cell having 1
- Subarray with 0 sum
- Subarrays with equal 1s and 0s
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Case-specific Sorting of Strings
- Next Greater Element
- K Sized Subarray Maximum
- Activity Selection
- Fractional Knapsack
- Minimum Platforms
- Black and White
- M-Coloring Problem
- Minimum Jumps
- Detect Cycle using DSU
- Stickler Thief
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Allocate Minimum Pages
- Zero Sum Subarrays
- Kth Smallest
- Shortest Common Supersequence
- Container With Most Water
- Top K Frequent in Array
- Stock Buy and Sell – Multiple Transaction Allowed
- Generate Parentheses
- Word Search
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Complement
- Maximum Sub Array
- Pascal Triangle
- Maximum Index
- Number of subarrays with maximum values in given range
- Flip Bits
- Maximize Number of 1's
- Count of Subarrays
- Single Among Doubles
- Pythagorean Triplet
- Search in Rotated Sorted Array
- Count Full Binary Trees
- Max Score from Subarray Mins
- Form the Largest Number
- Alternate Vowel and Consonant String
- Maximum Product Subarray
- Row with max 1s
- Column name from a given column number
- Substrings with K Distinct
- Longest Subarray with Sum K
- Cutting Binary String
- Sum of two large numbers
- Factorials of large numbers
- k largest elements
- Sum of XOR of all pairs
- Longest substring with distinct characters
- Longest Substring with K Uniques
- Longest Palindrome in a String
- K-th element of two Arrays
- Arranging the array
- Rod Cutting
- Minimum swaps and K together
- Maximize the sum of selected numbers from a sorted array to make it empty
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- First negative in every window of size k
- Build the smallest
- Minimize the Heights II
- Transform to prime
- First and Last Occurrences
- A difference of values and indexes
- Find patterns
- Permutations of a String
- Number following a pattern
- CamelCase Pattern Matching
- Lexicographically smallest string
- Subarrays Product Less than K
- Unique Number II
- Modular Exponentiation
- Largest prime factor
- 3 Divisors
- Coin Change (Count Ways)
- Perfect Sum Problem
- Shreyansh and his bits
- Power Set
- Knapsack with Duplicate Items
- nCr
- Partition Equal Subset Sum
- Longest Bitonic subsequence
- Get Minimum Squares
- Array Pair Sum Divisibility Problem
- Magic Triplets
- Fill up buckets
- Matchsticks game
- Unique partitions
- Akku and Binary Numbers
- Stepping Numbers
- LCM Triplet
- Find nth root of m
- Jumping Numbers
- A Game of LCM
- Count even length
- Grouping Of Numbers
- Find the Safe Position
- Smith Number
- Next Permutation
- Missing number in matrix
- Filling Bucket
- How Many X's?
- Longest Repeating Subsequence
- Decode the string
- Total Decoding Messages
- Stream First Non-repeating
- Maximum Sub-String after at most K changes
- 2D Hopscotch
- Segregate even and odd nodes in a Linked List
- Print leaf nodes from preorder traversal of BST
- Largest square formed in a matrix
- Longest Perfect Piece
- Geek and Strings
- The Smurfs
- Satisfy the equation
- Transitive closure of a Graph
- Replace O's with X's
- Two odd Occuring
- Express as sum of power of natural numbers
- Find the string in grid
- Floyd Warshall
- Shortest Source to Destination Path
- Base Equivalence
- Reverse Spiral Form of Matrix
- Geek and Number String
- Save Your Life
- Hamiltonian Path
- Coins of Geekland
- Triplets in Sorted Linked List
- Jump Game
- All Palindromic Partitions
- 3 Sum Closest
- Capacity To Ship Packages Within D Days
- Substrings of length k with k-1 distinct elements
- Number of Provinces
- Prefix match with other strings
- Maximum sum leaf to root path
- Single valued subtree
- BST to max heap
- Flatten binary tree to linked list
- Overlapping Intervals
- Remove and Reverse
- Find k-th smallest element in given n ranges
- Even Swap
- Reverse a Stack
- Maximum Meetings in One Room
- Enemy
- Max Equal sum of 3 Stacks
- Array Removals
- 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
- 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
- Shortest path in Directed Acyclic Graph
- Majority Element - More Than n/3
- Sum of Beauty of All Substrings
- Koko Eating Bananas
- Search in Rotated Array 2
- Asteroid Collision
- Aggressive Cows
- Smallest Divisor
- Minimum days to make M bouquets
- Generate all binary strings
- Delete all occurrences of a given key in a doubly linked list
- Lemonade Change
- Maximum Sum Combination
- 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
- 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
- BST Downward Traversal
- Length of the longest subarray with positive product
- Minimum Days
- Prime List
- Walls Coloring
- Geeks Island
- 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
- 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
- Distinct Difference
- Anagrams in Linked List
- Yet another query problem
- Geek hates too many 1s
- Maximum Length
- Remove the balls
- Job Sequencing Problem
- Shortest XY distance in Grid
- BST Maximum Difference
- Another Coin Change Problem
- Geek's Village and Wells
- Find Number
- Powerful Integer
- Max Coins
- Good Subtrees
- Subtree In N-ary Tree
- Easy Task
- Add Minimum Characters
- Maximum subset sum
- Count Total Setbits
- Construct a Full Binary Tree
- Modify Linked List-1
- Find Kth permutation
- Fraction pairs with sum 1
- Total pairs
- Maximum Skill 2
- Prime Inversions
- Maximize the minimum difference between k elements
- Reverse a linked list
- Delete N nodes after M nodes of a linked list
- Pairwise swap elements of a linked list
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Split a Linked List into two halves
- Inorder Traversal
- Reverse a Doubly Linked List
- Bubble Sort
- Check for BST
- Right View of Binary Tree
- Mirror Tree
- Two Mirror Trees
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Check If Circular Linked List
- Left View of Binary Tree
- Delete Middle of Linked List
- Intersection Sorted Linked Lists
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Stack using Linked List
- BFS of graph
- Identical Trees
- Square Root
- Insertion at doubly linked list
- Lowest Common Ancestor in a BST
- Binary Search
- Remove Duplicates Sorted Array
- Level Order Line by Line
- Binary Tree to BST
- Unique rows in boolean matrix
- Delete in a Singly Linked List
- Kth largest element in BST
- Array Duplicates
- Three way partitioning
- Inorder Successor in BST
- Intersection of Two Linked Lists
- Reverse Using Stack
- Find length of Loop
- Median of BST
- Leaf under budget
- Queue Reversal
- Reverse first K of a Queue
- Brothers From Different Roots
- Delete Mid of a Stack
- For Loop- primeCheck - Java
- Predict the Column
- Frequency Game
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Matrix Boundary Traversal
- Anagram
- String Rotated by 2 Places
- Isomorphic Strings
- Reverse Words
- Panagram Checking
- Non Repeating Character
- Parenthesis Checker
- Minimum Cost of ropes
- N meetings in one room
- Count number of hops
- First Repeating Element
- Union of Arrays with Duplicates
- Check Equal Arrays
- Missing in Array
- Roman Number to Integer
- Missing And Repeating
- Adding Ones
- Common in 3 Sorted Arrays
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- Minimize the sum of product
- Missing number
- Chocolate Distribution Problem
- Alternate Positive Negative
- Second Largest
- Convert array into Zig-Zag fashion
- Rotate Bits
- Find all pairs with a given sum
- Number of occurrence
- K-Pangrams
- Reversing the equation
- Convert an array to reduced form
- Check if array is sorted
- Longest Common Prefix of Strings
- Two sum -Pairs with 0 Sum
- Play With OR
- At Least K Occurrences
- Find the closest pair from two arrays
- Merge two binary Max heaps
- Palindrome String
- Fitting The Array
- K-th missing element
- Balanced string
- Shop in Candy Store
- Is Binary Number Multiple of 3
- Number of 1 Bits
- Armstrong Numbers
- Reverse Bits
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Copy Set Bits in Range
- Count Digits
- Palindrome
- Prime Number
- Shortest path from 1 to n
- Sum 1 to n Divisors
- The Bit Game
- Minimum number of Coins
- Number Of Open Doors
- Perfect Numbers
- Factorials Less than or Equal to n
- Largest number possible
- Check if it is possible to survive on Island
- Good Numbers
- Least Prime Factor
- Sum of First N Natural Numbers
- Tom and Jerry
- Maximum Diamonds
- Arithmetic Number
- Surround the 1's
- Help Ishaan
- Trace Path
- Inorder Traversal and BST
- Sequence Fun
- Print Pattern
- Primes sum
- Chicks in a Zoo
- Maximum Sum LCM
- Check if it is possible to convert one string into another with given constraints
- Earthquake and the Paint Shop
- Sum of dependencies in a graph
- Count all possible paths from top left to bottom right
- Modified Numbers and Queries
- Print Diagonally
- Search insert position of K in a sorted array
- Maximum number of 2X2 squares
- Count the Substrings
- Move Last Element to Front of a Linked List
- Find pairs with given sum in doubly linked list
- Print N to 1 without loop
- Print GFG n times
- Largest odd number in string
- Maximum Nesting Depth of the Parentheses
- Outermost Parentheses
- Maximum Depth Of Binary Tree
- Search in Linked List
- Remove duplicates from a sorted doubly linked list
- Array to Linked List
- Introduction to Doubly Linked List
- Minimize the sum
- Parent of Max GCD Siblings in a Binary Tree
- Find the first node of loop in linked list
- Maximum Weight Node
- Min operations
- Last cell in a Matrix
- Balloon Everywhere
- Reverse both parts
- Cutting Rectangles
- Make Array Elements Equal
- Equal Left and Right Subarray Sum
- Make the array beautiful
- Remainder on dividing by 11
- Find Bots on Geeklandster
- Is it Fibonacci
- Taxi Booking
- 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 Integer
- String Mirror
- Geekina loves order
- Binary Modulo
- Bit Magic
- Array Operations
- Dominant Pairs
- Total Traversal Time
- Special Array
- Wave Array
- Ticket Counter
- Unique Number of Occurrences
- Unique Positions
- Maximum Money
- Maximum Number
- Two Swaps
- Lower Case to Upper Case
- Lead Engineer
- Organic Tree
- Find Bots on Geeklandster
- Find Bits
- Maximising Cardboards
- Linked List Group Reverse
- Reorder List
- Binary Tree to DLL
- Clone List with Next and Random
- Max rectangle
- LRU Cache
- AVL Tree Deletion
- Nodes at given distance in binary tree
- String Permutations
- Trapping Rain Water
- Solve the Sudoku
- Median of 2 Sorted Arrays of Different Sizes
- Burning Tree
- Merge Without Extra Space
- Next Smallest Palindrome
- Number of distinct subsequences
- Minimum sum partition
- Number Formation
- Palindromic Partitioning
- Next Happy Number
- Stock Buy and Sell – Max K Transactions Allowed
- Median in a row-wise sorted Matrix
- Phone directory
- Huffman Encoding
- Scrambled String
- Shortest Path by Removing K walls
- Find the String
- Maximum Number of Toys
- Articulation Point - I
- Min Chars to Add for Palindrome
- Expression Add Operators
- Minimize Max Distance to Gas Station
- 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
- Walls Coloring II
- Partition the Array
- Count Binary Strings With No Consecutive 1s
- Divide in Incremental Groups
- Maximum Number of coins
- Median of the Subarrays
- Special Digits
- Cake Distribution Problem
- Min Time
- Game Of Subsets
- Light Junctions
- Making A Large Island
- Find Length of Linked List
- Size of Binary Tree
- Postorder Traversal
- Preorder Traversal
- Palindromic Array
- Linked List Insertion At End
- Alternates in an Array
- Print 1 To N Without Loop
- Array Search
- Sorted Array Search
- Reverse a String
- First n Fibonacci
- Change the string
- Value equal to index value
- Remove vowels from string
- Uncommon characters
- Quick Left Rotation
- The Penalty Shootout
- Good String
- String with numbers at its end
- Largest Element in Array
- Rotate Array by One
- Array Subset
- Rotating an Array
- Min and Max in Array
- GCD of two numbers
- Decision Making in Java
- LCM And GCD
- Strong Numbers
- Median of an Array
- Sum of Digit is Palindrome or not
- Sum of first n terms
- Count Squares
- Middle of Three
- Buy chocolates and save N rupees
- Sorted matrix
- Max Min
- Data Type
- Naughty Geek
- Who has the majority?
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