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sks1312
STREAK
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Longest streak/Global longest streak
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100 Point
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6 submissions in current year
SCHOOL (1)
BASIC (65)
EASY (232)
MEDIUM (216)
HARD (26)
- The Conversion To One
- Reverse alternate nodes in Link List
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Quick Sort
- Binary Tree from Inorder and Postorder
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Delete a node from BST
- Undirected Graph Cycle
- LCA in Binary Tree
- Two Stacks in an Array
- Binary Heap Operations
- Max sum path in two arrays
- The Celebrity Problem
- Merge K sorted linked lists
- Find kth element of spiral matrix
- Get Min from Stack
- Serialize and deserialize a binary tree
- Gas Station
- Remove loop in Linked List
- Additive sequence
- Implement Atoi
- Palindrome Linked List
- Closest in BST
- BST with Dead End
- Merge k Sorted Arrays
- Find triplets with zero sum
- Duplicate Subtree
- Find Common Nodes in two BSTs
- Peak element
- Merge Sort for Linked List
- Euler Circuit in an Undirected Graph
- Euler circuit and Path
- Root to Leaf Paths
- Linked List that is Sorted Alternatingly
- K Sum Paths
- Leftmost and rightmost nodes of binary tree
- Arrange Consonants and Vowels
- Vertical sum
- Isomorphic Trees
- Children Sum in a Binary Tree
- Normal BST to Balanced BST
- Sum of nodes on the longest path
- ZigZag Tree Traversal
- Pairwise swap of nodes in LinkedList
- Swap Kth nodes from ends
- Mother Vertex
- Rabin Karp - Pattern Searching
- Floor in BST
- Ceil in BST
- Pair Sum in BST
- Count set bits
- Gray to Binary Conversion
- Maximum AND Value
- Tower Of Hanoi
- Reverse array in groups
- Smallest Positive Missing
- Power Of Numbers
- Maximum occured integer
- Wave Array
- Possible Words From Phone Digits
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Index
- Stock buy and sell
- Rotate Array
- Check if array is sorted and rotated
- Kadane's Algorithm
- Majority Element
- Binary Array Sorting
- Two Repeated Elements
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Count the number of possible triangles
- Triplet Sum in Array
- Merge Without Extra Space
- Merge three sorted arrays
- Closer to sort
- Level of Nodes
- Boolean Matrix
- Spirally traversing a matrix
- Search in a sorted Matrix
- Rotate by 90 degree
- Determinant of a Matrix
- Distance of nearest cell having 1
- Subarray with 0 sum
- Subarray range with given sum
- Subarrays with equal 1s and 0s
- Longest Consecutive Subsequence
- Case-specific Sorting of Strings
- Lexicographic Rank Of A String
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- Infix to Postfix
- K Sized Subarray Maximum
- Kth largest element
- Kth smallest element
- Kth largest element in a stream
- Nearly sorted
- Black and White
- Combination Sum
- Unique Subsets
- Minimum Jumps
- Detect Cycle using DSU
- Stickler Thief
- Ways to Reach the n'th Stair
- Egg Dropping Puzzle
- Optimal Strategy For A Game
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Lucky Numbers
- Sort according to an Array
- Zero Sum Subarrays
- Find whether path exist
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Rotten Oranges
- Steps by Knight
- Count only Repeated
- Longest Subarray Of Evens And Odds
- Rotate by 90 degree
- Top K Frequent in Array
- Word Break
- 4 Sum - All Quadruples
- Maximum Water Between Two Buildings
- Sort 0s, 1s and 2s
- Paths to reach origin
- Pascal Triangle
- Number of subarrays with maximum values in given range
- Search in Rotated Sorted Array
- Form the Largest Number
- Longest subarray with sum divisible by K
- Column name from a given column number
- Substrings with K Distinct
- Max Sum without Adjacents
- Shuffle integers
- k largest elements
- Longest substring with distinct characters
- Minimize the Heights II
- Transform to prime
- First and Last Occurrences
- Print N-bit binary numbers having more 1s than 0s
- Sum of Products
- Unique Number II
- Game of XOR
- Largest prime factor
- Minimum number of deletions and insertions
- Maximize dot product
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Sequence of Sequence
- Sieve of Eratosthenes
- Perfect Sum Problem
- Minimum steps to destination
- Partition Equal Subset Sum
- Longest Bitonic subsequence
- Count possible ways to construct buildings
- Array Pair Sum Divisibility Problem
- Matchsticks game
- Game with String
- Smith Number
- Multiply 2 matrices
- Smaller on Left
- Maximum sum of hour glass
- How Many X's?
- Exit Point in a Matrix
- Stream First Non-repeating
- Segregate even and odd nodes in a Linked List
- Number of Rectangles in a Circle
- Replace O's with X's
- Rohan's Love for Matrix
- Techfest and the Queue
- Jump Game
- Iterative Inorder
- Preorder traversal (Iterative)
- Searching an element in a sorted array (Ternary Search)
- Remove K Digits
- Check if a String is Subsequence of Other
- Find duplicate rows in a binary matrix
- Sort for Singly Linked List
- Anti Diagonal Traversal of Matrix
- Unique Number III
- Overlapping Intervals
- Maximum Meetings in One Room
- Buy Maximum Stocks
- Find shortest safe route in a matrix
- Minimum Multiplications to reach End
- Number Of Enclaves
- City With the Smallest Number of Neighbors at a Threshold Distance
- Shortest Path in Undirected Graph
- Combination Sum II
- Minimum Absolute Difference In BST
- Maximum Sum Combination
- Count Number of Nodes in a Binary Tree
- Floor in BST
- Number of Good Components
- Maximum Length
- Smaller Sum
- Nearest smaller tower
- New Year Resolution
- Grinding Geek
- K-Subarray with Maximum Sum
- Minimize the Difference
- Pairs violating the BST property
- Kth common ancestor in BST
- Height of Tower
- Implement Pow
- Nearest Perfect Square
- A Boolean Matrix Problem
- Toggle The Middle
- K Sum
- XOR Pair
- Reverse a linked list
- Pairwise swap elements of a linked list
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Inorder Traversal
- Reverse a Doubly Linked List
- Bubble Sort
- Selection Sort
- Insertion Sort
- Check for BST
- Right View of Binary Tree
- K distance from root
- 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
- Delete Middle of Linked List
- Intersection Sorted Linked Lists
- Find Transition Point
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Stack using Linked List
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Square Root
- Nodes without a Sibling
- Binary Search
- Remove Duplicates Sorted Array
- Level Order Line by Line
- Binary Tree to BST
- Remove every k'th node
- Josephus problem
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Three way partitioning
- Level order traversal
- Index of an Extra Element
- Insert in a Sorted List
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Max and min element in Binary Tree
- Symmetric Tree
- Count Pairs whose sum is equal to X
- Find length of Loop
- Leaf under budget
- Queue Reversal
- Reverse first K of a Queue
- Closest Neighbour in BST
- Brothers From Different Roots
- Delete Mid of a Stack
- Swap the array elements
- Xoring and Clearing
- Get min at pop
- Deque Implementations
- Max and Second Max
- Hashing for pair - 1
- Hashing for pair - 2
- Fibonacci Numbers - Top Down DP
- Fibonacci Numbers - Bottom Up DP
- Inorder traversal of a BST
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Factorial Of Number
- Digits In Factorial
- GP Term
- Primality Test
- Longest Consecutive 1's
- Exactly 3 Divisors
- Mean And Median of Array
- Modular Inverse
- Power of 2
- Swap odd and even bits
- Minimum adjacent difference in a circular 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
- Intersection of two sorted arrays
- Closet 0s 1s and 2s
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Interchanging the rows of a Matrix
- Reversing the columns of a Matrix
- Matrix Boundary Traversal
- Exchange matrix columns
- Separate chaining in Hashing
- Naive Pattern Search
- Linear Probing in Hashing
- 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
- The Modified String
- Reverse Words
- Minimum indexed character
- Panagram Checking
- Non Repeating Character
- Removing consecutive duplicates
- Removing consecutive duplicates - 2
- Parenthesis Checker
- Generate Binary Numbers
- K largest elements
- Minimum Cost of ropes
- N meetings in one room
- Count Digits in a Number
- Digital Root
- Power Set Using Recursion
- Union-Find
- Count ways to N'th Stair
- Count number of hops
- Doubly Linked List Conversion
- Pattern searching
- Rotate Deque By K
- First Repeating Element
- Union of Arrays with Duplicates
- Common Elements
- Check Equal Arrays
- Nth number made of prime digits
- Numbers containing 1, 2 and 3
- Positive Negative Pair
- Search Query for Strings
- Missing in Array
- Roman Number to Integer
- Intersection of Arrays with Distinct
- Missing And Repeating
- Non-Repeating Element
- Count the elements
- Common in 3 Sorted Arrays
- Move All Zeroes to End
- String Duplicates Removal
- Move all negative elements to end
- Chocolate Distribution Problem
- Count pairs Sum in matrices
- Find Pair Given Difference
- Second Largest
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Rotate Bits
- Number of occurrence
- Reversing the equation
- Does array represent Heap
- Convert an array to reduced form
- Check if array is sorted
- Sum Pair closest to target
- Find missing in second array
- String's Count
- First Repeated Character
- At Least K Occurrences
- Find the closest pair from two arrays
- Palindrome String
- Number of 1 Bits
- Reverse Bits
- Nth Fibonacci Number
- Party of Couples
- Shortest path from 1 to n
- Minimum number of Coins
- Number Of Open Doors
- Perfect Numbers
- Number Game
- Maximize Toys
- Largest number possible
- Recamans sequence
- Least Prime Factor
- Juggler Sequence
- Arithmetic Number
- Row with Minimum 1s
- Surround the 1's
- Inorder Traversal and BST
- Print Pattern
- Sum of dependencies in a graph
- Plus One
- Minimum Difference in an Array
- Smallest window containing 0, 1 and 2
- Insert an Element at the Bottom of a Stack
- Fibonacci series up to Nth term
- Divisor Game
- Search in Linked List
- Balloon Everywhere
- Save Civilians
- Min Jump
- Equal Left and Right Subarray Sum
- Make the array beautiful
- Refueling
- Ticket Counter
- Unique Number of Occurrences
- Lead Engineer
- Maximum occurring digit
- Geek's Plants
- Strong Students in School
- Minimise the Expression
- Is it a Leap Year
- Dominating Geek
- Minimize Array Score
- Substrings with same value
- Candy shop I
- Minimum Distance
- Count Indices
- Average of String
- Closest friends!
- Pairing the brackets
- Maximum Distance
- Return To Root
- Magic Array
- Chocolate Distribution
- Minimum Number of Elements
- Prefix Distinct
- Frequency of every Element
- Count Linked List Nodes
- Size of Binary Tree
- Count Leaves in Binary Tree
- Postorder Traversal
- Implement stack using array
- Queue using Linked List
- Queue Using Array
- Doubly linked list Insertion at given position
- Preorder Traversal
- First Occurence
- Search a node in BST
- Linked List Insertion At End
- Minimum element in BST
- Identical Linked Lists
- Insert in Middle of Linked List
- 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
- Bit Difference
- Number is sparse or not
- Binary To Gray Code Conversion
- Print 1 To N Without Loop
- Array Search
- Sorted Array Search
- Left Index
- Adding two matrices
- Multiply the matrices
- Check if a string is Isogram or not
- Binary String
- Most Frequent Character
- Remove common characters and concatenate
- Sum of numbers in string
- Repeating Character - First Appearance Leftmost
- Sum of Digits of a Number
- Power Using Recursion
- Fibonacci Using Recursion
- Addition Under Modulo
- Multiplication Under Modulo
- Minimum At Pop
- Reverse a String
- Insertion in deque
- Deque Traversal
- Deque deletion
- Keypad typing
- First n Fibonacci
- Value equal to index value
- Reversing the vowels
- Largest Element in Array
- Rotate Array by One
- Game with nos
- Ishaan Loves Chocolates
- Array Subset
- Remove character
- Betting game
- C++ Data Types
- Max Min
- Friend of x
- Valid Strings
- Who has the majority?
- Kth Smallest Difference
- Linked List Group Reverse
- Binary Tree to DLL
- Max rectangle
- Merge Sort on Doubly Linked List
- Pattern Search KMP
- String Permutations
- Trapping Rain Water
- Pattern Search
- Smallest window containing all characters of another string
- Histogram Max Rectangular Area
- Find median in a stream
- Solve the Sudoku
- Median of Two sorted arrays
- Median of 2 Sorted Arrays of Different Sizes
- Burning Tree
- Count Pairs in an Array
- Search Pattern (KMP-Algorithm)
- Number of distinct subsequences
- Wildcard string matching
- Edit Distance
- Minimum Points To Reach Destination
- Matrix Chain Multiplication
- N-Queen Problem
- Split Array Largest Sum
- Better String
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