A
apoorva balyan
STREAK
00/1477
days
Longest streak/Global longest streak
Language Used
C++, Python
Coding Score
555
Problem Solved
272
Contest Rating
__
56 points
Contributor
56 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
0 submissions in current year
SCHOOL (2)
BASIC (45)
EASY (112)
MEDIUM (97)
HARD (16)
- SP - Palindrome Family
- SP - Beautiful Pairs
- Reverse a linked list
- Frequency in a Linked List
- Pairwise swap elements of 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
- Delete in a Doubly Linked List
- Inorder Traversal
- Reverse a Doubly Linked List
- Check for BST
- Right View of Binary Tree
- Mirror Tree
- 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
- Transform to Sum Tree
- Intersection Sorted Linked Lists
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Level Order in spiral form
- DFS of Graph
- Stack using Linked List
- Implement stack using array
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Insertion at doubly linked list
- Postorder from Inorder and Preorder
- Lowest Common Ancestor in a BST
- Binary Search
- BST Keys in a Range
- Binary Tree to BST
- Unique rows in boolean matrix
- Remove every k'th node
- Delete in a Singly Linked List
- Kth largest element in BST
- Special Stack
- Index of an Extra Element
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Split Linked List Alternatingly
- Max and min element in Binary Tree
- Symmetric Tree
- Delete Alternate Nodes
- Construct BST from Postorder
- Huffman Decoding-1
- Find length of Loop
- Change of Key in BST
- Linked List Matrix
- Queue Reversal
- Reverse first K of a Queue
- Move all zeros to the front of the linked list
- Delete Mid of a Stack
- Repetitive Printing - Python
- Operators in Python
- Split the input - Python
- Comment in Python
- Logical Operators - Python
- Increment and Decrement - Python
- Bitwise Operators - Python
- Is and In Operator
- sep and end in Print()
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Power of 2
- Swap odd and even bits
- Equilibrium Point
- Array Leaders
- Anagram
- String Rotated by 2 Places
- Isomorphic Strings
- Reverse Words
- Minimum indexed character
- Parenthesis Checker
- N meetings in one room
- Count number of hops
- Check Equal Arrays
- Missing in Array
- Roman Number to Integer
- Min sum formed by digits
- Minimize the sum of product
- Missing number
- Left most and right most index
- Remove Duplicates
- Second Largest
- Number of occurrence
- First Repeated Character
- At Least K Occurrences
- Merge two binary Max heaps
- Palindrome String
- Print Bracket Number
- Shop in Candy Store
- Minimum Operations
- Sum Of Digits
- Toggle bits in the given range
- Maximum Product Cutting
- Party of Couples
- Minimum number of Coins
- Number Of Open Doors
- Maximize Toys
- Largest number possible
- Inorder Traversal and BST
- Print Pattern
- Array to BST
- Sum of k smallest elements in BST
- Print Linked List
- Find Length of Linked List
- Count Leaves in Binary Tree
- Postorder Traversal
- Queue using Linked List
- Queue Using Array
- Preorder Traversal
- First Occurence
- Sum Except First and Last
- C++ STL | Set 5 (queue)
- Search a node in BST
- Linked List Insertion At End
- Minimum element in BST
- Is Linked List Length Even?
- Identical Linked Lists
- Modular Node
- longest substring containing '1'
- Count Non-Leaf Nodes in Tree
- Start Coding - Python
- Space Seperated - Python
- Concatenating Strings - Python
- Taking input and typecasting - Python
- Taking input - Python
- Comparison Operators - Python
- Bit Difference
- Array Search
- Binary String
- Reverse a String
- First n Fibonacci
- Searching in an Array
- Remove consonants from a string
- Uncommon characters
- Swap kth elements
- Reversing the vowels
- Remove repeated digits in a given number
- Last index of One
- One odd Occuring
- Ishaan Loves Chocolates
- Array Subset
- Check for Power
- Set kth bit
- Message Spreading
- Reverse digits
- G.F Series
- Height of Heap
- Rearrange characters
- Nearly Sorted Algorithm
- SP - Special Subsequences
- Reverse alternate nodes in Link List
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Merge 2 sorted linked list in reverse order
- Linked List in Zig-Zag fashion
- Detect Loop in linked list
- Insert in Sorted Circular Linked List
- Count BST nodes that lie in a given range
- Merge Sort
- Quick Sort
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Connect Nodes of Levels
- Flattening a Linked List
- Delete a node from BST
- Two Stacks in an Array
- Binary Heap Operations
- Largest subarray with 0 sum
- Merge K sorted linked lists
- Find the number of islands
- Get Min from Stack
- Gas Station
- Is Binary Tree Heap
- Validate an IP Address
- Remove loop in Linked List
- Minimum Swaps to Sort
- Implement Atoi
- Palindrome Linked List
- BST with Dead End
- Count distinct elements in every window
- Sort a stack
- Top View of Binary Tree
- Level order traversal
- Polynomial Addition
- Merge Sort for Linked List
- XOR Linked List
- Predecessor and Successor
- Deletion and Reverse in Circular Linked List
- ZigZag Tree Traversal
- Count set bits
- Reverse array in groups
- Power Of Numbers
- Possible Words From Phone Digits
- Kadane's Algorithm
- Binary Array Sorting
- Unique BST's
- Indexes of Subarray Sum
- Longest Consecutive Subsequence
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- Infix to Postfix
- K Sized Subarray Maximum
- Kth smallest element
- Activity Selection
- Longest Common Subsequence
- Equal Sum Partition
- Find whether path exist
- Implement Trie
- Shortest Common Supersequence
- Rotten Oranges
- Sort 0s, 1s and 2s
- Flip Bits
- Single Among Doubles in a Sorted
- Pythagorean Triplet
- Swapping pairs make sum equal
- Check if frequencies can be equal
- Maximum distinct elements after removing K elements
- Shuffle integers
- K-th element of two Arrays
- Rod Cutting
- Longest Palindromic Subsequence
- First negative in every window of size k
- Minimize the Heights II
- Permutations of a String
- Max Sum Increasing Subsequence
- Smallest number
- Maximum path sum in matrix
- Array Pair Sum Divisibility Problem
- Number of paths
- Choose and Swap
- Preorder Traversal and BST
- Total Decoding Messages
- Stream First Non-repeating
- Segregate even and odd nodes in a Linked List
- Print leaf nodes from preorder traversal of BST
- Kth Largest in a Stream
- Mail System Design
- Recursively Remove Adjacent Duplicates
- Linked List Group Reverse
- Binary Tree to DLL
- Clone List with Next and Random
- Serialize and deserialize a binary tree
- Max rectangle
- Trapping Rain Water
- Smallest window containing all characters
- Histogram Max Rectangular Area
- Max of min for every window size
- Find median in a stream
- Edit Distance
- Minimum sum partition
- Longest valid Parentheses
- Geek collects the balls
- Phone directory
- Huffman Encoding
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