lokesh karthikeyan
STREAK
01/1477
days
Longest streak/Global longest streak
Language Used
Java, C++, C
Coding Score
550
Problem Solved
136
Contest Rating
__
279 points
Contributor
279 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
40 submissions in current year
SCHOOL (0)
BASIC (11)
EASY (39)
MEDIUM (56)
HARD (30)
- SP - Second Smallest in Range
- SP - Wolfish
- Reverse a linked list
- Node at a given index in linked list
- 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
- Reverse a Doubly Linked List
- Check for BST
- K distance from root
- Kth from End of Linked List
- Middle of a Linked List
- Check If Circular Linked List
- Transform to Sum Tree
- Intersection Sorted Linked Lists
- Remove Duplicates from a Sorted Linked List
- Stack using Linked List
- Nodes without a Sibling
- Odd even level difference
- Remove every k'th node
- Array Duplicates
- Intersection of Two Linked Lists
- More than n/k Occurrences
- Delete Alternate Nodes
- Count Pairs whose sum is equal to X
- Sum of Leaf Nodes
- Exchange the Leaf Nodes
- Rotate doubly Linked List
- Array Leaders
- Parenthesis Checker
- Count ways to N'th Stair
- Missing in Array
- Join Two Linked Lists
- Missing And Repeating
- Second Largest
- Nth Fibonacci Number
- Reverse both parts
- Linked List Insertion At Beginning
- Sorting Elements of an Array by Frequency
- Reverse alternate nodes in Link List
- Rotate a Linked List
- QuickSort on Doubly Linked List
- Count BST nodes that lie in a given range
- Delete without head pointer
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Merge two sorted linked lists
- Connect Nodes of Levels
- Flattening a Linked List
- Delete a node from BST
- Directed Graph Cycle
- Find the number of islands
- Clone a Binary Tree
- Remove loop in Linked List
- Palindrome Linked List
- Number of root to leaf paths
- Closest in BST
- Delete keys in a Linked list
- Top View of Binary Tree
- k-th Smallest in BST
- Isomorphic Trees
- ZigZag Tree Traversal
- Kadane's Algorithm
- Indexes of Subarray Sum
- Merge Without Extra Space
- Sort Elements by Decreasing Frequency
- Longest Consecutive Subsequence
- Stock span problem
- Next Greater Element
- Kth smallest element
- Largest number in K swaps
- Minimum Jumps
- Longest Increasing Subsequence
- Longest Common Subsequence
- Sort according to an Array
- Zero Sum Subarrays
- Nth Catalan Number
- Rotten Oranges
- Word Boggle
- 4 Sum - All Quadruples
- Maximum Sub Array
- Nuts and Bolts Problem
- Rotate a Matrix
- Subarrays Product Less than K
- Coin Change (Count Ways)
- nCr
- Array Pair Sum Divisibility Problem
- Bell Numbers
- Return two prime numbers
- Jumping Numbers
- Fraction to Repeating Decimal
- Stream First Non-repeating
- All Palindromic Partitions
- Remove all occurences of duplicates in a linked list
- 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
- Box Stacking
- AVL Tree Insertion
- Smallest range in K lists
- AVL Tree Deletion
- Merge Sort on Doubly Linked List
- Nodes at given distance in binary tree
- Fixing Two nodes of a BST
- Max Path Sum 2 Special Nodes
- Number of Turns in Binary Tree
- Trapping Rain Water
- Max of min for every window size
- Find median in a stream
- Solve the Sudoku
- Minimum Cost Path
- Merge Without Extra Space
- Next Smallest Palindrome
- Palindrome SubStrings
- Distinct palindromic substrings
- Ugly Numbers
- Minimum sum partition
- Longest valid Parentheses
- N-Queen Problem
- Closest Palindrome
- Reverse a sublist of a linked list
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