Name

Lokesh Karthikeyan

Institution

Rank in Institute

#2

Courses Attended

Campus Ambassador

Other Profile Link

Overall Coding Score: 409

Monthly Coding Score: 0

Weekly Coding Score: 0

- Delete keys in a Linked list
- Merge Sort on Doubly Linked List
- Find the Closest Element in BST
- Number of root to leaf paths
- Box Stacking
- Top View of Binary Tree
- Smallest range in K lists
- k-th smallest element in BST
- Find the number of islands
- Count More than n/k Occurences
- Sorting Elements of an Array by Frequency
- Longest consecutive subsequence
- Count ways to N'th Stair(Order does not matter)
- Delete without head pointer
- 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
- Count BST nodes that lie in a given range
- Remove loop in Linked List
- Intersection Point in Y Shapped Linked Lists
- Connect Nodes at Same Level
- Clone a linked list with next and random pointer
- Flattening a Linked List
- Delete a node from BST
- Min distance between two given nodes of a Binary Tree
- Clone a Binary Tree
- Rotate a 2D array without using extra space
- Find Missing And Repeating
- Longest consecutive subsequence
- Stock span problem
- Largest number in K swaps
- Next larger element
- Kth smallest element
- Count Palindrome Sub-Strings of a String
- Find all four sum numbers
- Word Boggle
- First non-repeating character in a stream
- Zero Sum Subarrays
- Array Pair Sum Divisibility Problem
- Rotten Oranges
- Coin Change
- Sorting Elements of an Array by Frequency
- Relative Sorting
- Jumping Numbers
- Trapping Rain Water
- Maximum Sub Array
- Longest Increasing Subsequence
- Parenthesis Checker
- Longest Common Subsequence
- Nuts and Bolts Problem
- nCr

- AVL Tree Deletion
- Fixing Two nodes of a BST
- Binary Tree to DLL
- Number of Turns in Binary Tree
- Reorder List
- QuickSort on Doubly Linked List
- Solve the Sudoku
- AVL Tree Insertion
- Solve the Sudoku
- Count the subarrays having product less than k
- Distinct palindromic substrings
- Minimum sum partition
- Find median in a stream
- Maximum of minimum for every window size
- N-Queen Problem
- Minimum Cost Path
- Merge Without Extra Space
- Next Smallest Palindrome
- Longest valid Parentheses
- Ugly Numbers
- A Simple Fraction