K
krishna693rahul
STREAK
44/1475
days
Longest streak/Global longest streak
Language Used
Java, C++
Coding Score
878
Problem Solved
334
Contest Rating
-
312 points
Contributor
312 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
9 submissions in current year
SCHOOL (1)
BASIC (63)
EASY (124)
MEDIUM (130)
HARD (16)
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Rearrange a linked list
- Add 1 to a Linked List Number
- Detect Loop in linked list
- Insert in Sorted Circular Linked List
- Count BST nodes that lie in a given range
- Merge Sort
- Delete without head pointer
- Heap Sort
- Merge two sorted linked lists
- Flattening a Linked List
- Maximum difference between node and its ancestor
- Absolute List Sorting
- Merge K sorted linked lists
- Max sum in the configuration
- Kth smallest element in a Matrix
- Remove loop in Linked List
- Minimum Spanning Tree
- Palindrome Linked List
- Find triplets with zero sum
- k-th Smallest in BST
- Counting elements in two arrays
- Linked List that is Sorted Alternatingly
- Foldable Binary Tree
- Arrange Consonants and Vowels
- Reverse array in groups
- Smallest Positive Missing
- Maximum occured integer
- Wave Array
- Rearrange Array Alternately
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Binary Array Sorting
- Two Repeated Elements
- Indexes of Subarray Sum
- Merge Without Extra Space
- Boolean Matrix
- Search in a sorted Matrix
- Distance of nearest cell having 1
- Strings Rotations of Each Other
- Case-specific Sorting of Strings
- Next Greater Element
- K Sized Subarray Maximum
- Activity Selection
- Black and White
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Number of Unique Paths
- Zero Sum Subarrays
- Container With Most Water
- Radix Sort
- Stock Buy and Sell – Multiple Transaction Allowed
- Sort 0s, 1s and 2s
- Complement
- Maximum Sub Array
- Single Among Doubles in a Sorted
- Count Occurences of Anagrams
- Count of Subarrays
- Count Full Binary Trees
- Alternate Vowel and Consonant String
- Add Binary Strings
- Maximum Product Subarray
- Swapping pairs make sum equal
- Nuts and Bolts Problem
- Factorials of large numbers
- K-th element of two Arrays
- First negative in every window of size k
- Build the smallest
- Minimize the Heights II
- A difference of values and indexes
- Nine Divisors
- Find patterns
- Modular Exponentiation
- 3 Divisors
- Maximum Tip Calculator
- Coin Change (Count Ways)
- Mobile numeric keypad
- Coin Change (Minimum Coins)
- Trail of ones
- Shreyansh and his bits
- Longest subsequence-1
- Longest Bitonic subsequence
- Array Pair Sum Divisibility Problem
- Magic Triplets
- Fill up buckets
- Unique partitions
- Prime Pair with Target Sum
- Akku and Binary Numbers
- LCM Triplet
- Jumping Numbers
- A Game of LCM
- Count even length
- Find the Safe Position
- Next Permutation
- Missing number in matrix
- Rotate Each Row of Matrix K Times
- Total Decoding Messages
- Maximum Sub-String after at most K changes
- Check If two Line segments Intersect
- 2D Hopscotch
- Number of Rectangles in a Circle
- Longest Perfect Piece
- Integral Points Inside Triangle
- Two odd Occuring
- Floyd Warshall
- Single valued subtree
- Remove all occurences of duplicates in a linked list
- Largest subtree sum in a tree
- Wine Buying and Selling
- Next element with greater frequency
- Construct Binary Tree from String with bracket representation
- Check if all levels of two trees are anagrams or not
- Alex Travelling
- Majority Element - More Than n/3
- Sum of subarray minimum
- Frog Jump
- Asteroid Collision
- Aggressive Cows
- Maximum Value
- Absolute difference divisible by K
- Next Greater Element in Circular Array
- Carpet into Box
- Geeks And The String
- Paint N Houses
- Optimal Array
- Maximum Triplet product
- GSB Interview
- Reverse a linked list
- Frequency in a Linked List
- Node at a given index in linked list
- Remove duplicates from an unsorted linked list
- Delete in a Doubly Linked List
- Inorder Traversal
- Reverse a Doubly Linked List
- Bubble Sort
- Selection Sort
- Insertion Sort
- Check for BST
- K distance from root
- Kth from End of Linked List
- Middle of a Linked List
- Check If Circular Linked List
- Delete Middle of Linked List
- Intersection Sorted Linked Lists
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- Implement stack using array
- Identical Trees
- Square Root
- Binary Search
- Remove Duplicates Sorted Array
- BST Keys in a Range
- Toeplitz matrix
- Remove every k'th node
- Third largest element
- Count Occurrence of digit k
- Delete in a Singly Linked List
- Array Duplicates
- Index of an Extra Element
- Insert in a Sorted List
- Reverse Using Stack
- Symmetric Tree
- Delete Alternate Nodes
- Find the Sum of Last N nodes of the Linked List
- Find length of Loop
- Queue Reversal
- Magical Number
- Sum of Leaf Nodes
- Nodes at Odd Levels
- Product of an Array
- Even Odd
- Reverse an Array
- Power of 2
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Anagram
- Reverse Words
- Sum of numbers in string
- Non Repeating Character
- Union of Arrays with Duplicates
- Check Equal Arrays
- Missing in Array
- Max Value Permutation
- Missing And Repeating
- Common in 3 Sorted Arrays
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- String Duplicates Removal
- String Manipulation
- Bitonic Point
- Sort Array II
- Single Number
- Alternate Positive Negative
- Remaining String
- Remove Consecutive Characters
- Palindrome Sentence
- Remove Duplicates
- Facing the sun
- Second Largest
- Convert array into Zig-Zag fashion
- Rotate Bits
- Find all pairs with a given sum
- Number of occurrence
- Convert an array to reduced form
- Check if array is sorted
- First Repeated Character
- At Least K Occurrences
- Count the Zeros
- Total distance travelled in an array
- Four Elements
- Palindrome String
- Fitting The Array
- Print Bracket Number
- Balanced string
- Binary representation of next number
- Padovan Sequence
- Extract the Number from the String
- Number of 1 Bits
- Find the Highest number
- Armstrong Numbers
- Max Sum Subarray of size K
- Prime Number
- Count numbers containing 4
- Number Of Open Doors
- Break a number
- Compare two fractions
- Summed Matrix
- Arithmetic Number
- Row with Minimum 1s
- Coverage of all Zeros in a Binary Matrix
- Primes sum
- Chicks in a Zoo
- Maximum Sum LCM
- Check if it is possible to convert one string into another with given constraints
- Ball coloring
- Find maximum volume of a cuboid
- Search insert position of K in a sorted array
- Binary Search in forest
- First and last occurrences of x
- Move Last Element to Front of a Linked List
- Find pairs with given sum in doubly linked list
- Smallest factorial number
- Stock Buy and Sell – Max one Transaction Allowed
- Bit Manipulation
- Find the first node of loop in linked list
- Type it!
- Min operations
- Reverse both parts
- Is it Fibonacci
- Binary matrix having maximum number of 1s
- Linked List Group Reverse
- Reorder List
- Binary Tree to DLL
- Serialize and deserialize a binary tree
- Trapping Rain Water
- Max Circular Subarray Sum
- Minimum sum partition
- N-Queen Problem
- Smallest Positive Integer that can not be represented as Sum
- Count occurrences of a given word in a 2-d array
- Split Array Largest Sum
- Scrambled String
- Shortest Path by Removing K walls
- Articulation Point - I
- MaxSkill
- Select Nodes
- Print Linked List
- Find Length of Linked List
- Size of Binary Tree
- Count Leaves in Binary Tree
- Postorder Traversal
- Replace all 0's with 5
- Count zeros in a sorted matrix
- Preorder Traversal
- First Occurence
- Linked List Insertion At End
- Minimum element in BST
- Is Linked List Length Even?
- Identical Linked Lists
- Modular Node
- Sum of Binary Tree
- Pairwise Consecutive Elements
- Count Non-Leaf Nodes in Tree
- Stack designer
- Bit Difference
- Number is sparse or not
- Array Search
- Sorted Array Search
- Remove common characters and concatenate
- Reverse a String
- First n Fibonacci
- Searching in an Array
- Doubling the value
- Ishaan's Internship
- Remove consonants from a string
- Sort a String
- Anagram Palindrome
- Check if divisible by 11
- Change the string
- Remove all characters other than alphabets
- Confused pappu
- Immediate Smaller Element
- Sum of distinct elements
- Count the characters
- Uncommon characters
- Duck Number
- Repeated Character
- Reverse a string with spaces intact
- Length of Last word
- Elements in the Range
- Last index of One
- Merge two strings
- Crazy String
- Largest Element in Array
- Product is even or odd?
- Min and Max in Array
- Extract Maximum
- Print first letter of every word in the string
- Last index of a character in the string
- Remove character
- Red OR Green
- Just One Mismatch
- Anagram Strings
- Java Date and Day
- Check perfect square
- Factorial
- Count Squares
- Height of Heap
- Max Min
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