everythingispossible
STREAK
00/1458
days
Longest streak/Global longest streak
Language Used
C++, C, Python
Coding Score
924
Problem Solved
414
Contest Rating
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3021 points
Contributor
3021 points
Contributor
1 Point
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Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
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50k Point
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SCHOOL (0)
BASIC (44)
EASY (177)
MEDIUM (170)
HARD (23)
- Last two digits of Fibonacci
- Reverse alternate nodes in Link List
- 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
- Merge 2 sorted linked list in reverse order
- Linked List in Zig-Zag fashion
- Detect Loop in linked list
- Rearrange linked list in-place
- Quick Sort on Linked List
- Insert in Sorted Circular Linked List
- QuickSort on Doubly Linked List
- Count BST nodes that lie in a given range
- Merge Sort
- Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Merge two sorted linked lists
- Add all greater values to every node in a BST
- Sum Tree
- Construct Binary Tree from Parent Array
- Connect Nodes of Levels
- Flattening a Linked List
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Reverse alternate levels of a perfect binary tree
- Delete a node from BST
- Directed Graph Cycle
- LCA in Binary Tree
- Maximum difference between node and its ancestor
- Absolute List Sorting
- Max sum path in two arrays
- Largest subarray with 0 sum
- Topological sort
- Vertical Tree Traversal
- Merge K sorted linked lists
- Find the number of islands
- Max sum in the configuration
- Get Min from Stack
- Serialize and deserialize a binary tree
- Linked List to Binary Tree
- Check if subtree
- Extreme nodes in alternate order
- Is Binary Tree Heap
- Clone a Binary Tree
- Validate an IP Address
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Largest BST
- Implement Atoi
- Maximum Difference
- Palindrome Linked List
- Delete keys in a Linked list
- Merge two BST 's
- Root to leaf paths sum
- Longest Palindrome in Linked List
- Print Nodes having K leaves
- Find triplets with zero sum
- Top View of Binary Tree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Polynomial Addition
- Merge Sort for Linked List
- Union of Two Linked Lists
- Ancestors in Binary Tree
- Binary Tree to CDLL
- Root to Leaf Paths
- XOR Linked List
- Counting elements in two arrays
- Linked List that is Sorted Alternatingly
- K Sum Paths
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Modify Linked List-1
- Construct Tree from Inorder & Preorder
- Construct tree from Inorder and LevelOrder
- Arrange Consonants and Vowels
- Count the nodes at distance K from leaf
- Vertical sum
- Insert in Sorted way in a Sorted DLL
- Isomorphic Trees
- Leaves to DLL
- Deletion and Reverse in Circular Linked List
- Construct Tree from Preorder Traversal
- Check if two Nodes are Cousins
- ZigZag Tree Traversal
- Count Number of SubTrees having given Sum
- Reverse array in groups
- Wave Array
- Stock buy and sell
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Two Repeated Elements
- Indexes of Subarray Sum
- Triplet Sum in Array
- Spirally traversing a matrix
- Unit Area of largest region of 1's
- Subarray with 0 sum
- Next Greater Element
- K Sized Subarray Maximum
- Activity Selection
- Largest number in K swaps
- Stickler Thief
- Ways to Reach the n'th Stair
- Egg Dropping Puzzle
- Minimum number of jumps
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Equal Sum Partition
- Zero Sum Subarrays
- Find whether path exist
- Shortest Common Supersequence
- Nth Catalan Number
- Rotten Oranges
- Print Anagrams Together
- Overlapping Intervals
- Excel Sheet | Part - 1
- Sort 0s, 1s and 2s
- Maximum Index
- Flip Bits
- Maximize Number of 1's
- Single Among Doubles in a Sorted
- Pythagorean Triplet
- Pair Sum Closest to 0
- Search in Rotated Sorted Array
- Water Collection
- Maximum Product Subarray
- Check if frequencies can be equal
- Column name from a given column number
- Max Sum without Adjacents
- Reverse each word in a given string
- Longest Common Substring
- Smallest distinct window
- Longest substring with distinct characters
- Longest Substring with K Uniques
- Longest Palindrome in a String
- Product Pair
- String formation from substring
- Fill array with 1's
- Longest Palindromic Subsequence
- Minimize the Heights II
- First and Last Occurrences
- Palindrome in Alphanumeric String
- Permutations of a String
- Unique Number II
- Game of XOR
- Maximum Tip Calculator
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Coin Change (Minimum Coins)
- Subset with sum divisible by k
- Maximum path sum in matrix
- Count distinct pairs with difference k
- Prime Pair with Target Sum
- Game with String
- Next Permutation
- Preorder Traversal and BST
- Stream First Non-repeating
- Segregate even and odd nodes in a Linked List
- Largest square formed in a matrix
- Transitive closure of a Graph
- Two odd Occuring
- Flood fill Algorithm
- Shortest Source to Destination Path
- Replace by X
- Geeks and Prime
- Geeks and Divisors
- Geeky m Power of Prime
- Geeks and GCD
- Reverse a linked list
- Frequency in a Linked List
- Delete N nodes after M nodes of a linked list
- Pairwise swap elements of a linked list
- Node at a given index in linked list
- Linked list of strings forms a palindrome
- Compare two linked lists
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Split a Linked List into two halves
- Delete in a Doubly Linked List
- Inorder Traversal
- Reverse a Doubly Linked List
- Check for BST
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- 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
- Check If Circular Linked List
- Left View of Binary Tree
- Delete Middle of Linked List
- Decimal Equivalent of Binary Linked List
- Transform to Sum Tree
- 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
- Root to leaf path sum
- Square Root
- Nodes without a Sibling
- Lowest Common Ancestor in a BST
- Largest subarray of 0's and 1's
- Level Order Line by Line
- BST Keys in a Range
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- Equilibrium index of an array
- Remove every k'th node
- Leaves at Same Level or Not
- Multiply two linked lists
- Expression Tree
- Delete in a Singly Linked List
- Kth largest element in BST
- Array Duplicates
- Max Level Sum in Binary Tree
- Special Stack
- Longest consecutive sequence in Binary tree
- Level order traversal
- Inorder Successor in BST
- Index of an Extra Element
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Split Linked List Alternatingly
- Level of a Node in Binary Tree
- Max and min element in Binary Tree
- Full Binary Tree
- Symmetric Tree
- Delete Alternate Nodes
- Merge Lists Alternatingly
- Find the Sum of Last N nodes of the Linked List
- Count Pairs whose sum is equal to X
- Find length of Loop
- Median of BST
- Find n/k th node in Linked list
- Linked List Matrix
- Sum of Leaf Nodes
- Sum of Left Leaf Nodes
- Nodes at Odd Levels
- Sum of Leaf Nodes at Min Level
- Move all zeros to the front of the linked list
- Rotate doubly Linked List
- First Set Bit
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Rotate by 90 degree
- Anagram
- Winner of an election
- String Rotated by 2 Places
- Reverse Words
- Non Repeating Character
- Parenthesis Checker
- N meetings in one room
- Count number of hops
- Reach a given score
- Missing in Array
- Roman Number to Integer
- Intersection of Arrays with Distinct
- Maximum value
- Missing And Repeating
- Subarrays with given sum
- Non-Repeating Element
- Pairs of equals Sum
- Max value
- Count the elements
- Find Kth Rotation
- Common in 3 Sorted Arrays
- Sorted and Rotated Minimum
- Next greater number set digits
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- String Duplicates Removal
- Minimize the sum of product
- Find Pair Given Difference
- Finding Number
- Bitonic Point
- Left most and right most index
- Single Number
- Count increasing Subarrays
- Alternate Positive Negative
- Common Subsequence
- Kth distance
- Addition of submatrix
- Sort in specific order
- Sum of two numbers represented as arrays
- Facing the sun
- Greater on right side
- Count Substrings
- Twice Counter
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Second most repeated string in a sequence
- Check if array contains contiguous integers
- Find all pairs with a given sum
- Number of occurrence
- Maximum repeating number
- First Repeated Character
- Even and odd elements at even and odd positions
- Three Great Candidates
- At Least K Occurrences
- Element with left side smaller and right side greater
- Sum of Lengths of Non-Overlapping SubArrays
- Four Elements
- Palindrome String
- Chocolate Station
- Smallest greater elements in whole array
- Is Binary Number Multiple of 3
- Find the Highest number
- Armstrong Numbers
- Lucky Number
- Pairs with Positive Negative values
- Nth Fibonacci Number
- Star elements
- Element that appears once where every element occurs twice
- Number of Groups
- Perfect Numbers
- Pair cube count
- Geek and his Binary Strings
- Maximize Toys
- Number that are not divisible
- Sum of all prime numbers between 1 and n
- Row with Minimum 1s
- Prime number of set bits
- Inorder Traversal and BST
- Earthquake and the Paint Shop
- Array to BST
- Sum of dependencies in a graph
- Print Linked List
- Count Linked List Nodes
- Size of Binary Tree
- Count Leaves in Binary Tree
- Postorder Traversal
- Queue using Linked List
- Doubly linked list Insertion at given position
- Replace all 0's with 5
- Replace all 0's with 5
- Preorder Traversal
- First Occurence
- Search a node in BST
- Peak element
- Linked List Insertion At End
- Minimum element in BST
- Anagram of String
- Circular Linked List Traversal
- Is Linked List Length Even?
- Identical Linked Lists
- Modular Node
- Sum of Binary Tree
- Insert in Middle of Linked List
- Count Non-Leaf Nodes in Tree
- Array Search
- Check if a string is Isogram or not
- Binary String
- Sort The Array
- Maximum product of two numbers
- Value equal to index value
- Immediate Smaller Element
- Uncommon characters
- Reversing the vowels
- First 1 in a Sorted Binary Array
- One odd Occuring
- Ishaan Loves Chocolates
- Rotating an Array
- Count of smaller elements
- Extract Maximum
- Betting game
- Check set bits
- House Robber
- Series AP
- Unique Numbers
- Half N by M
- Linked List Group Reverse
- Reorder List
- Binary Tree to DLL
- Clone List with Next and Random
- Min distance between two given nodes of a Binary Tree
- Subtraction in Linked List
- AVL Tree Insertion
- Alien Dictionary
- Smallest range in K lists
- AVL Tree Deletion
- Merge Sort on Doubly Linked List
- Nodes at given distance in binary tree
- Max Path Sum 2 Special Nodes
- Trapping Rain Water
- Smallest window containing all characters of another string
- Max of min for every window size
- Longest Prefix Suffix
- Edit Distance
- Minimum sum partition
- Matrix Chain Multiplication
- Strictly Increasing Array
- Geek collects the balls
- Word Wrap
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