- Binary String
- GCD of Array
- Searching a number
- Power of 2
- 2's Complement
- Sort The Array
- Nth Fibonacci Number
- Print the Kth Digit
- Majority Element
- Sieve of Eratosthenes
- Rotate Array
- Permutations of a given string
- Array of alternate +ve and -ve no.s
- Swap two nibbles in a byte
- Count total set bits
- Number is sparse or not
- Bit Difference
- Intersection of two arrays
- Convert array into Zig-Zag fashion
- k largest elements
- Minimum difference pair
- Pattern Jumping
- Ways To Tile A Floor
- Smallest number
- Find the Odd Occurence
- Reverse array in groups
- Set Bits
- Subset Sums
- Professor and Parties
- Longest Consecutive 1's
- Common Divisors
- Check if two arrays are equal or not
- XOR of all elements
- Check for subsequence
- Find first repeated character
- Count even substrings
- Does array represent Heap
- Find the element that appears once in sorted array
- Thief trying to escape
- Print an array in Pendulum Arrangement
- Check whether K-th bit is set or not
- Extract Maximum
- Remove Duplicates from unsorted array
- Uncommon characters
- URLify a given string
- Print first letter of every word in the string
- Rotate Bits
- Smallest power of 2 greater than or equal to n
- First Come First Serve
- Sort the Half Sorted
- Rightmost different bit
- Max value after m range operation
- Set kth bit
- Toggle bits given range
- Elements in the Range
- Remove repeated digits in a given number
- Count triplets with sum smaller than X
- Anagram Palindrome
- Smallest number repeating K times
- XOR Count Zero and One
- Find k-th character in string
- Good or Bad string
- Merge two strings
- Minimum Product of k Integers
- One's Complement
- Sort the string in descending order
- Factors Sum
- Check if strings are rotations of each other or not
- Set all odd bits
- Factor OR Multiple
- Print Linked List elements
- Count nodes of linked list
- Node at a given index in linked list
- Power of Four
- Size of Binary Tree
- Inorder Traversal
- Bubble Sort
- Count Leaves in Binary Tree
- Selection Sort
- Height of Binary Tree
- Finding middle element in a linked list
- Circular Linked List
- Postorder Traversal
- Implement Stack using Linked List
- Implement Queue using Linked List
- Implement Queue using array
- Square root
- Third largest element
- Preorder Traversal
- Implement strstr
- Search a node in BST
- Equal Sum and XOR
- Implement Atoi
- Find Number of Numbers
- Minimum distance between two numbers
- Find triplets with zero sum
- Linked List Insertion
- Minimum element in BST
- Anagram of String
- Identical Linked Lists
- Queue Reversal
- Triplet Family
- Sum of Binary Tree
- Count Non-Leaf Nodes in Tree

Name

geekholicgaurav

Institution

Rank in Institute

#16

Courses Attended

Campus Ambassador

Overall Coding Score: 1462

Monthly Coding Score: 2

Weekly Coding Score: 0

- Frequencies of Limited Range Array Elements
- Anagram
- Wave Array
- Maximum Gap
- Print Pattern
- Rotation
- Search in a Rotated Array
- Palindrome numbers
- Subarray with least average
- Magic Number
- Maximize Toys
- Trailing zeroes in factorial
- Non Repeating Character
- Minimum number of Coins
- Sum of Middle Elements of two sorted arrays
- First Repeating Element
- Forming Rectangle
- Reverse words in a given string
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Two numbers with sum closest to zero
- Finding Number
- Next sparse binary number
- Segregate even and odd nodes in a Linked List
- Element that appears once where every element occurs twice
- Longest Distinct characters in string
- Is Square
- Maximum Product Subarray
- Remove Duplicates
- Maximum sum increasing subsequence
- Array to BST
- Max Sum without Adjacents
- Key Pair
- Maximum Difference
- Add Binary Strings
- Product array puzzle
- Length Unsorted Subarray
- Reverse Bits
- Subarray with given sum
- Leaders in an array
- Swap all odd and even bits
- Count number of hops
- Count pairs with given sum
- Triplet Sum in Array
- Three Great Candidates
- Reach a given score
- Next in Series
- Overlapping rectangles
- Minimum element in a sorted and rotated array
- Search in a matrix
- Value of polynomial
- Faithful Numbers
- Missing element of AP
- Count the Zeros
- 0 - 1 Knapsack Problem
- Integral Points In Triangle
- Find the number of sub-arrays having even sum
- Valid Substring
- Count the Reversals
- Tom and Jerry
- Cutted Segments
- Smallest number subset
- Maximum average subarray
- Game of Death in a circle
- Power of Numbers
- Final Destination
- Count number of substrings
- The Nth Fibonnaci
- Equilibrium point
- Floor in a Sorted Array
- Flip Bits
- Finding the numbers
- Minimum Energy
- Adding Ones
- Count Pairs in an Array
- Sum of elements between k1'th and k2'th smallest elements
- Help Nobita
- Maximum Sum Bitonic Subsequence
- 1[0]1 Pattern Count
- Knapsack with Duplicate Items
- Pair with greatest product in array
- Friends Pairing Problem
- Next Greater Even Number
- Gold Mine Problem
- Smallest subarray with sum greater than x
- Game of XOR
- Sum of all substrings of a number
- Minimum Operations
- Excel Sheet | Part - 2
- Largest Fibonacci Subsequence
- Longest Palindromic Subsequence
- K-th element of two sorted Arrays
- Common elements
- Rod Cutting
- Array Subset of another array
- Karatsuba Algorithm
- Length of longest subarray
- Subarray with 0 sum
- Nth catalan number
- Group Anagrams Together
- Sum equals to Sum
- Find Pair Given Difference
- Second most repeated string in a sequence
- Count all possible paths from top left to bottom right
- Shortest Common Supersequence
- Painting the Fence
- Find distinct elements
- Swapping pairs make sum equal
- Subset with sum divisible by m
- Count of strings that can be formed using a, b and c under given constraints
- Consecutive Array Elements
- Stickler Thief
- Maximum Product Cutting
- Chocolate Station
- Count the triplets
- Sum of two large numbers
- Woodall Number
- Find unit digit in a Product
- Three Number Even Sum
- Geek and his Tricky Series
- Non-Repeating Element
- Pairs which are Divisible by 4
- Maximum AND Value
- Find winner of the Game of Nim
- Arya and The Great War
- Mystic Falls School
- Nearest multiple of 10
- Winner of an election
- Amicable Pair
- Count pairs Sum in matrices
- Arya's Long String
- Print all bitwise subsets of a number N
- Save Ironman
- Print adjacency list
- Pair with given sum in a sorted array
- Weigh the strings
- Out the Kth
- K Frequent
- Prime Sum
- Column with Minimum Difference
- Game of Function
- K Sum
- Vertical Order Tree
- Camel Case
- Greatest Digital Root
- Maximum Integer Value
- Shatter the Cycle
- Sum The Alternate Leaf Nodes
- Reverse a linked list
- Occurence of an integer in a Linked List
- Delete N nodes after M nodes of a linked list
- Rotate a Linked List
- Pairwise swap elements of a linked list
- Given a linked list of 0s, 1s and 2s, sort it.
- Add two numbers represented by linked lists
- Add 1 to a number represented as linked list
- Linked List in Zig-Zag fashion
- Detect Loop in linked list
- Remove duplicates from an unsorted linked list
- Sorted insert for circular linked list
- Split a Circular Linked List into two halves
- Reverse a Doubly Linked List
- Insertion Sort
- Merge Sort
- Quick Sort
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of Tree
- Diameter of Binary Tree
- Check for Balanced Tree
- Heap Sort
- Nth node from end of linked list
- Left View of Binary Tree
- Delete Middle of Linked List
- Sum Tree
- Transform to Sum Tree
- Intersection of two sorted Linked lists
- Find Transition Point
- Queue using two Stacks
- Remove duplicate element from sorted Linked List
- Stack using two queues
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Reverse alternate levels of a perfect binary tree
- Insert a node in a BST
- BFS of graph
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Root to leaf path sum
- Print all nodes that don't have sibling
- Lowest Common Ancestor in a BST
- Implement two stacks in an array
- Max sum path in two arrays
- Largest subarray of 0's and 1's
- Level order traversal Line by Line
- Print BST elements in given range
- Largest subarray with 0 sum
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- K-Palindrome
- Unique rows in boolean matrix
- Leaf at same level
- Is Binary Tree Heap
- Multiply two linked lists
- Expression Tree
- Check if Linked List is Palindrome
- Max distance between same elements
- Print matrix in diagonal pattern
- Longest Consecutive Subsequence
- Delete a Node in Single Linked List
- Kth largest element in BST
- Find duplicates in an array
- Count distinct elements in every window
- Check if two strings are k-anagrams or not
- Max Level Sum in Binary Tree
- Root to leaf paths sum
- Three way partitioning
- Sort a stack
- Level order traversal
- Peak element
- Inorder Successor in BST
- Merge Sort for Linked List
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Split Singly Linked List Alternatingly
- Ancestors in Binary Tree
- Level of a Node in Binary Tree
- Sum of leaf nodes in BST
- Root to Leaf Paths
- Maximum path sum
- Max and min element in Binary Tree
- XOR Linked List
- Reverse a string using Stack
- Full binary tree
- Triplet with 0 sum in BST
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Vertical sum
- Next Right Node
- Count Pairs whose sum is equal to X
- Check if Tree is Isomorphic
- Maximum Node Level
- Children Sum Parent
- Diagonal Sum In Binary Tree
- Find length of Loop
- Median of BST
- Linked List Matrix
- Remove Half Nodes
- Height of Spiral Tree
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Nodes at Odd Levels
- Sum of the Longest Bloodline of a Tree
- Exchange the Leaf Nodes
- Check if two Nodes are Cousins
- ZigZag Tree Traversal
- Move all zeros to the front of the linked list
- Rotate doubly Linked List
- Xoring and Clearing - Java
- Get min at pop
- Convert To Doubly

- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Sum Of Prime
- Excel Sheet | Part - 1
- Maximum Sub Array
- Print Diagonally
- Overlapping Intervals
- Maximum Index
- Equal Sum
- Next Permutation
- Longest Increasing Subsequence
- Parenthesis Checker
- Longest Common Subsequence
- Minimum number of jumps
- Count ways to reach the n'th stair
- Count ways to N'th Stair(Order does not matter)
- Egg Dropping Puzzle
- Edit Distance
- Magic Triplets
- Maximum Rectangular Area in a Histogram
- Longest Span with same Sum in two Binary arrays
- Consecutive 1's not allowed
- Count of Subarrays
- Path in Matrix
- Trapping Rain Water
- String formation from substring
- Rank of Matrix
- Sum of bit differences
- Subset Sum Problem
- Number of Coins
- Minimum Platforms
- Number following a pattern
- Find Prime numbers in a range
- Stock buy and sell
- Largest Number formed from an Array
- Jumping Numbers
- Longest Palindrome in a String
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Relative Sorting
- Maximum of all subarrays of size k
- Row with max 1s
- Boolean Matrix Problem
- Count Integral Points
- Sorting Elements of an Array by Frequency
- Nuts and Bolts Problem
- Inversion of array
- Preorder to Postorder
- Length of the longest substring
- Longest consecutive subsequence
- Convert an array to reduced form
- M-Coloring Problem
- Subsequence matching
- Handshakes
- Palindromic Array
- Is Binary Number Multiple of 3
- Longest Arithmetic Progression
- Bleak Numbers
- Special Matrix
- Next larger element
- Unique BST's
- Subsets
- Combination Sum - Part 2
- Word Break
- Longest Prefix Suffix
- Kth smallest element
- 3 Divisors
- Sum of Subarrays
- Longest Common Substring
- Hamiltonian Path
- Snake and Ladder Problem
- Recursively remove all adjacent duplicates
- Shortest Source to Destination Path
- Find all four sum numbers
- Word Boggle
- Find whether path exist
- First non-repeating character in a stream
- Count subsequences of type a^i b^j c^k
- K
^{th}largest element in a stream - Zero Sum Subarrays
- Smallest window in a string containing all the characters of another string
- Minimum number of steps to reach a given number.
- Smallest Absolute Difference
- Smallest Positive missing number
- Longest Bitonic subsequence
- Perfect Sum Problem
- Longest Path in a matrix
- Rotten Oranges
- LCS of three strings
- CamelCase Pattern Matching
- Longest Common Prefix in an Array
- Minimum cost to fill given weight in a bag
- Median In a Row-Wise sorted Matrix
- In First But Second
- Row with minimum number of 1's
- Maximum bitonic subarray sum
- Number of subarrays with maximum values in given range
- Lazy Pasha
- Longest subarray with sum divisible by K
- Subarrays with equal 1s and 0s
- Longest Sub-Array with Sum K
- Rat Maze With Multiple Jumps
- Pattern Matcher
- Unknown Sort
- Count Students
- Reach top of stair
- Stable Pairs
- Binary Divisibilty
- Unit Digit
- Maximum number evaluation
- K
^{th}Maximum element of Max-Heap - A difference of values and indexes
- Optimal Strategy For A Game
- Reverse a Linked List in groups of given size.
- Delete nodes having greater value on right
- Count BST nodes that lie in a given range
- Check for BST
- Tree from Postorder and Inorder
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection Point in Y Shapped Linked Lists
- Add all greater values to every node in a BST
- Connect Nodes at Same Level
- Clone a linked list with next and random pointer
- Flattening a Linked List
- Diagonal Traversal of Binary Tree
- Boundary Traversal of binary tree
- Delete a node from BST
- Detect cycle in a directed graph
- Detect cycle in an undirected graph
- Min distance between two given nodes of a Binary Tree
- Maximum difference between node and its ancestor
- The Celebrity Problem
- Topological sort
- Print a Binary Tree in Vertical Order
- Merge K sorted linked lists
- Find the number of islands
- Get minimum element from stack
- Circular tour
- Max rectangle
- Make Binary Tree From Linked List
- Check if subtree
- Extreme nodes in alternate order
- Kth element in Matrix
- Remove loop in Linked List
- Max length chain
- Minimum Spanning Tree
- Largest BST
- LRU Cache
- Multiply two strings
- Minimum Swaps to Sort
- Count of distinct substrings
- Rat in a Maze Problem
- Bipartite Graph
- Number of root to leaf paths
- Find the Closest Element in BST
- Merge two BST 's
- Merge k Sorted Arrays
- Top View of Binary Tree
- k-th smallest element in BST
- Merge Sort on Doubly Linked List
- Binary Tree to CDLL
- Find a pair with given target in BST
- Occurences of 2 as a digit
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Construct tree from Inorder and LevelOrder
- Node at distance
- Leaves to DLL
- Convert Level Order Traversal to BST
- Count Number of SubTrees having given Sum
- C++ Friend function
- C++ Generic sort
- Swap Kth nodes from ends
- Smallest Positive missing number
- Unique BST's
- Sorting Elements of an Array by Frequency

- Minimum sum partition
- Maximum of minimum for every window size
- Merge Without Extra Space
- Find sum of different corresponding bits for all pairs
- Return two prime numbers
- Allocate minimum number of pages
- A Simple Fraction
- Ugly Numbers
- Longest valid Parentheses
- Word Break - Part 2
- Minimum Cost Path
- N-Queen Problem
- Find median in a stream
- Travelling Salesman Problem
- Max Circular Subarray Sum
- Distinct palindromic substrings
- Convert to Strictly increasing array
- Count the subarrays having product less than k
- Loop in Array
- Longest Substring
- Add the Triangles
- Smaller on Left
- Increment and Move
- Maximum Simultaneous Difference
- Reorder List
- Binary Tree to DLL
- AVL Tree Insertion
- Partition array to K subsets
- Maximum subset XOR
- Longest Palindromic Substring in Linear Time
- AVL Tree Deletion
- Fixing Two nodes of a BST