- Print Linked List elements
- Count nodes of linked list
- Node at a given index in linked list
- Delete node in Doubly Linked List
- Size of Binary Tree
- Inorder Traversal
- Count Leaves in Binary Tree
- Height of Binary Tree
- Finding middle element in a linked list
- Check If Circular Linked List
- Postorder Traversal
- Implement Stack using Linked List
- Implement Queue using Linked List
- Square root
- Doubly linked list Insertion at given position
- Replace all 0's with 5
- Preorder Traversal
- Implement strstr
- Search a node in BST
- Implement Atoi
- Find triplets with zero sum
- Linked List Insertion
- Minimum element in BST
- Anagram of String
- Circular Linked List Traversal
- Linked List Length Even or Odd?
- Delete Alternate Nodes
- Identical Linked Lists
- Find the Sum of Last N nodes of the Linked List
- Modular Node
- Find n/k th node in Linked list
- Sum of Binary Tree
- Insert in Middle of Linked List
- Count Non-Leaf Nodes in Tree
- Search an Element in an array
- Binary String
- Sort The Array
- Pythagorean Triplet
- Nth Fibonacci Number
- Majority Element
- Permutations of a given string
- Missing number in array
- Array of alternate +ve and -ve no.s
- Maximum product of two numbers
- Greater on right side
- Immediate Smaller Element
- Intersection of two arrays
- Convert array into Zig-Zag fashion
- Number of occurrence
- Maximum repeating number
- Sum of all prime numbers between 1 and N.
- Maximum money
- Find the Odd Occurence
- Rotating an Array
- Rotate by 90 degree
- Reverse array in groups
- Minimize the sum of product
- Reverse each word in a given string
- Find first and last occurrence of x
- Sum of dependencies in a graph
- Sort in specific order
- Check if string is rotated by two places
- Unique Numbers
- Find first set bit
- Find first repeated character
- Geek and Coffee Shop
- Index of first 1 in a sorted array of 0’s and 1’s
- Find the element that appears once in sorted array
- First element to occur k times
- Extract Maximum
- Uncommon characters
- Pair cube count
- Check if a string is Isogram or not
- Check set bits
- Twice counter
- Find the Highest number
- First and last occurrences of X
- Earthquake and the Paint Shop
- Ishaan Loves Chocolates

Name

Paras Jain

Rank in Institute

#9

Courses Attended

Campus Ambassador

Other Profile Link

Overall Coding Score: 922

Monthly Coding Score: 0

Weekly Coding Score: 0

- 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
- Rearrange a linked list
- Add 1 to a number represented as linked list
- linked list of strings forms a palindrome
- Compare two linked lists
- Merge 2 sorted linked list in reverse order
- Linked List in Zig-Zag fashion
- Detect Loop in linked list
- Rearrange linked list in-place
- 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
- Merge 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
- Nth node from end of linked list
- Left View of Binary Tree
- Delete Middle of Linked List
- Merge two sorted linked lists
- Sum Tree
- Decimal Equivalent of Binary Linked List
- 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
- Absolute List Sorting
- Lowest Common Ancestor in a BST
- 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
- Max sum in the configuration
- Equilibrium index of an array
- Remove every k'th node
- Leaf at same level
- Is Binary Tree Heap
- Subtraction in Linked List
- Validate an IP Address
- Multiply two linked lists
- Expression Tree
- Check if Linked List is Palindrome
- Delete a Node in Single Linked List
- Kth largest element in BST
- Find duplicates in an array
- Max Level Sum in Binary Tree
- Special Stack
- Root to leaf paths sum
- Longest consecutive sequence in Binary tree
- Print Common Nodes in BST
- Level order traversal
- Peak element
- Inorder Successor in BST
- Index Of an Extra Element
- Merge Sort for Linked List
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Split Singly Linked List Alternatingly
- Ancestors in Binary Tree
- Level of a Node in Binary Tree
- Root to Leaf Paths
- Maximum path sum
- Max and min element in Binary Tree
- XOR Linked List
- Counting elements in two arrays
- Linked List that is Sorted Alternatingly
- Full binary tree
- Modify Linked List-1
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Merge Lists Alternatingly
- Arrange Consonants and Vowels
- Vertical sum
- Count Pairs whose sum is equal to X
- Insert in Sorted way in a Sorted DLL
- Find length of Loop
- Deletion and Reverse in Linked List
- Median of BST
- Linked List Matrix
- Sum of Leaf Nodes
- Sum of Left Leaf Nodes
- Nodes at Odd Levels
- Check if two Nodes are Cousins
- ZigZag Tree Traversal
- Sum of Leaf Nodes at Min Level
- Move all zeros to the front of the linked list
- Rotate doubly Linked List
- Anagram
- Wave Array
- Rotation
- Search in a Rotated Array
- Maximize Toys
- Maximize Number of 1's
- Non Repeating Character
- Reverse words in a given string
- Count Substrings
- Move all zeroes to end of array
- Remove all duplicates from a given string
- Activity Selection
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Two numbers with sum closest to zero
- Finding Number
- Maximum value in a bitonic array
- Next greater number set digits
- Amount of Water
- Single Number
- Segregate even and odd nodes in a Linked List
- Count increasing Subarrays
- Element that appears once where every element occurs twice
- Longest Distinct characters in string
- Count distinct pairs with difference k
- Replace by X
- Column name from a given column number
- Maximum Product Subarray
- N meetings in one room
- Kth distance
- Addition of submatrix
- Maximum sum increasing subsequence
- Array to BST
- Sum of two numbers represented as arrays
- Facing the sun
- Max Sum without Adjacents
- Key Pair
- Maximum Difference
- Lucky Number
- Subarray with given sum
- Leaders in an array
- Count number of hops
- Equal to product
- Inorder Traversal and BST
- Triplet Sum in Array
- Two Repeated Elements
- Three Great Candidates
- Reach a given score
- Minimum element in a sorted and rotated array
- Search in a matrix
- 0 - 1 Knapsack Problem
- Number that are not divisible
- Perfect Numbers
- Maximum value
- Equilibrium point
- Floor in a Sorted Array
- Max value
- Flip Bits
- Finding the numbers
- Flood fill Algorithm
- Roman Number to Integer
- Game of XOR
- Find all pairs with a given sum
- Check if frequencies can be equal
- Longest Palindromic Subsequence
- Common elements
- Fill array with 1's
- Element with left side smaller and right side greater
- Two numbers with odd occurrences
- Transitive closure of a Graph
- Game with String
- Four Elements
- Subarray with 0 sum
- Nth catalan number
- Subarrays with given sum
- Group Anagrams Together
- Sum equals to Sum
- Find Pair Given Difference
- Count the elements
- Second most repeated string in a sequence
- Shortest Common Supersequence
- Number of Groups
- Subset with sum divisible by m
- Stickler Thief
- Even and odd elements at even and odd positions
- Sum of Lengths of Non-Overlapping SubArrays
- Chocolate Station
- Common Subsequence
- Star elements
- Prime number of set bits
- Pairs with Positive Negative values
- Non-Repeating Element
- Geek and his Binary Strings
- Check if array contains contiguous integers with duplicates allowed
- Winner of an election
- Smallest greater elements in whole array
- Save Ironman

- Given a linked list, reverse alternate nodes and append at the end
- Reverse a Linked List in groups of given size.
- Delete nodes having greater value on right
- Quick Sort on Linked List
- 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
- Construct Binary Tree from Parent Array
- 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
- Min distance between two given nodes of a Binary Tree
- Maximum difference between node and its ancestor
- Topological sort
- Vertical Traversal of Binary Tree
- Merge K sorted linked lists
- Find the number of islands
- Get minimum element from stack
- Serialize and Deserialize a Binary Tree
- Make Binary Tree From Linked List
- Check if subtree
- Extreme nodes in alternate order
- Clone a Binary Tree
- Remove loop in Linked List
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Minimum Spanning Tree
- Largest BST
- Delete keys in a Linked list
- Merge two BST 's
- Length of longest palindrome in linked list
- Print Nodes having K leaves
- Top View of Binary Tree
- Smallest range in K lists
- k-th smallest element in BST
- Polynomial Addition
- Merge Sort on Doubly Linked List
- Binary Tree to CDLL
- K-Sum Paths
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Construct tree from Inorder and LevelOrder
- Node at distance
- Leaves to DLL
- Construct Tree from Preorder Traversal
- Count Number of SubTrees having given Sum
- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Sum Of Prime
- Excel Sheet | Part - 1
- Overlapping Intervals
- Maximum Index
- Next Permutation
- Longest Increasing Subsequence
- Parenthesis Checker
- Longest Common Subsequence
- Minimum number of jumps
- Count ways to reach the n'th stair
- Egg Dropping Puzzle
- Edit Distance
- Path in Matrix
- Trapping Rain Water
- String formation from substring
- Subset Sum Problem
- Number of Coins
- Stock buy and sell
- Longest Palindrome in a String
- Maximum of all subarrays of size k
- Largest square formed in a matrix
- Inversion of array
- Betting game
- Is Binary Number Multiple of 3
- Preorder Traversal and BST
- Largest number in K swaps
- Minimize the heights
- Next larger element
- Longest Prefix Suffix
- Longest Common Substring
- Shortest Source to Destination Path
- Find whether path exist
- Unit Area of largest region of 1's
- First non-repeating character in a stream
- Zero Sum Subarrays
- Smallest window in a string containing all the characters of another string
- Smallest distinct window
- Geek collects the balls
- Word Wrap
- Rotten Oranges
- Row with minimum number of 1's
- Matrix Chain Multiplication
- Maximum Tip Calculator
- Last two digits of Fibonacci