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Profile
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Articles
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Campus Ambassadors
Uncover Diverse Options in Colleges and Companies
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241
Rank
Current POTD Streak
STREAK
00
/970
days
Institution
Jadavpur University Faculty of Engineering and Technology Kolkata
Language Used
C++, C
Overall Coding Score
654
Total Problem Solved
335
Monthly Coding Score
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Contributor
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
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Course Attended
Contest Attended
SCHOOL (12)
BASIC (75)
EASY (125)
MEDIUM (114)
HARD (9)
Reverse an Array
Reversing the vowels
Reverse digits
Print 1 to n without using loops
Remove Spaces
Triangle shrinking downwards
Count of camel case characters
Remove characters from alphanumeric string
Lower case to upper case
Multiply Array
Print Elements of Array
Sum of Array Elements
Node at a given index in linked list
Count nodes of linked list
Linked List Insertion
Print an array in Pendulum Arrangement
Reverse array in groups
Rotate Array
Rotating an Array
Immediate Smaller Element
Delete node in Doubly Linked List
Doubly linked list Insertion at given position
Insert in Middle of Linked List
Modular Node
Linked List Length Even or Odd?
Circular Linked List Traversal
Check If Circular Linked List
Find the Sum of Last N nodes of the Linked List
Delete Alternate Nodes
Identical Linked Lists
Find n/k th node in Linked list
Greater on right side
Longest increasing subarray
Size of Binary Tree
Inorder Traversal
Shortest direction
Check if a number is power of another number
GCD of Array
LCM And GCD
Pronic Number
Count Sorted Rows
Power of 2
Swap two nibbles in a byte
Bit Difference
Count Leaves in Binary Tree
Sort The Array
Segregate Even and Odd numbers
Union of two arrays
Binary Array Sorting
Find the smallest and second smallest element in an array
Postorder Traversal
Preorder Traversal
Implement Queue using Linked List
Implement Stack using Linked List
Squares in a Matrix
Unique Numbers
Check if two arrays are equal or not
Array Subset of another array
Search a node in BST
Minimum element in BST
Triangle growing downwards
Anagram of String
Implement strstr
Uncommon characters
Replace the Bit
Check for subsequence
String with numbers at its end
Keypad typing
URLify a given string
Remove character
Minimize string value
Perfect Reversible String
Max-Min conversion
Find Substring from last of the Given String
Reverse a String
Find Number of Numbers
Play with an array
Operating a sorted array- copy
Implement stack using array
Implement Queue using array
Largest product
Replace all 0's with 5
Exceptionally odd
Operating an array
Print Linked List elements
Search an Element in an array
Angle between hour and minute hand
Check for Balanced Tree
Mirror Tree
Transform to Sum Tree
Reverse a linked list
Intersection of two sorted Linked lists
Pairwise swap elements of a linked list
Remove duplicate element from sorted Linked List
Detect Loop in linked list
Nth node from end of linked list
Delete a Node in Single Linked List
Delete N nodes after M nodes of a linked list
1[0]1 Pattern Count
SP - Stack Design
SP - Beautiful Pairs
SP - Palindrome Family
Leaders in an array
XOR of a given range
Height of Spiral Tree
Right View of Binary Tree
Reach the Nth point
Modular Multiplicative Inverse
linked list of strings forms a palindrome
Find length of Loop
Decimal Equivalent of Binary Linked List
Delete Middle of Linked List
Insert in a Sorted List
Linked List Matrix
XOR Linked List
Split a Circular Linked List into two halves
Reverse a Doubly Linked List
Compare two linked lists
Merge Lists Alternatingly
Intersection of Two Linked Lists
Delete nodes having greater value on right
Split Singly Linked List Alternatingly
Remove duplicates from an unsorted linked list
Occurence of an integer in a Linked List
Largest subarray of 0's and 1's
Reverse words in a given string
Does array represent Heap
Nth Fibonacci Number
Second Largest
Smallest number by rearranging digits of a given number
Count BST nodes that lie in a given range
Ancestors in Binary Tree
Day of the week
Exit Point in a Matrix
Binary Tree K level sum
Level of a Node in Binary Tree
Three Great Candidates
Print Matrix in snake Pattern
Generate Grey Code Sequences
N meetings in one room
Does robot moves circular
Sum of all prime numbers between 1 and N.
Excel Sheet | Part - 2
Next greater number set digits
Party of Couples
Buildings receiving sunlight
Delete without head pointer
Root to leaf path sum
Symmetric Tree
Determine if Two Trees are Identical
Lowest Common Ancestor in a BST
Given a linked list of 0s, 1s and 2s, sort it.
Generate Binary Numbers
Equilibrium Point
Minimum element in a sorted and rotated array
Rotation
Rotate by 90 degree
Check for BST
Square root of a number
Left most and right most index
Product Pair
Product array puzzle
Sum of dependencies in a graph
Shortest path from 1 to n
Count the paths
Find all pairs with a given sum
DFS of Graph
BFS of graph
Implement two stacks in an array
Left View of Binary Tree
Next Right Node
Stack using two queues
Queue using two Stacks
Reverse a string using Stack
Largest Fibonacci Subsequence
Count distinct elements in every window
Triplet with 0 sum in BST
Inorder Successor in BST
Kth largest element in BST
Sum of k smallest elements in BST
Inorder Traversal and BST
Print BST elements in given range
Insert a node in a BST
Print all possible strings
Find first repeated character
Generate binary string
Remove all duplicates from a given string
Remove Duplicates
Non Repeating Character
Run Length Encoding
Unusual String Sort
Check if string is rotated by two places
Sum of given range
Three way partitioning
Max distance between same elements
Index Of an Extra Element
You and your books
Find Transition Point
Equilibrium index of an array
Key Pair
Minimum distance between two numbers
Remove duplicate elements from sorted Array
Missing number in array
Reverse Level Order Traversal
K distance from root
Maximum Width of Tree
Level order traversal in spiral form
Remove every kth node
Check if array is sorted
Finding middle element in a linked list
Parenthesis Checker
Overlapping rectangles
Diameter of a Binary Tree
Construct Tree from Inorder & Preorder
Foldable Binary Tree
Populate Inorder Successor for all nodes
Binary Tree to CDLL
Flattening a Linked List
Check if Linked List is Palindrome
SP - Playing with Stacks
String formation from substring
Range Minimum Query
Check if Tree is Isomorphic
Construct Binary Tree from Parent Array
Diagonal Traversal of Binary Tree
Clone a Binary Tree
Construct Tree from Preorder Traversal
Predecessor and Successor
Add all greater values to every node in a BST
Max sum in the configuration
Sum Tree
Connect Nodes at Same Level
Equal Sum Partition
Lowest Common Ancestor in a Binary Tree
Leaves to DLL
Merge K sorted linked lists
Rearrange a linked list
Reverse alternate nodes in Link List
Modify Linked List-1
Absolute List Sorting
First non-repeating character in a stream
Mail System Design
Sorted insert for circular linked list
QuickSort on Doubly Linked List
Merge Sort on Doubly Linked List
Polynomial Addition
Length of longest palindrome in linked list
Merge 2 sorted linked list in reverse order
Add 1 to a number represented as linked list
Linked List that is Sorted Alternatingly
Union of Two Linked Lists
Rotate a Linked List
Add two numbers represented by linked lists
Remove loop in Linked List
Segregate even and odd nodes in a Linked List
Reverse a Linked List in groups of given size
Merge Sort for Linked List
Merge two sorted linked lists
Stickler Thief
Next Greater Element
Boundary Traversal of binary tree
Number of pairs
Longest Increasing Subsequence
Max Sum without Adjacents
Maximum Product Subarray
Longest Repeating Subsequence
Longest Common Subsequence
nCr
Find Prime numbers in a range
Sort an array of 0s, 1s and 2s
Bleak Numbers
Delete keys in a Linked list
k-th smallest element in BST
Bottom View of Binary Tree
Unique BST's
Largest BST
Smallest Positive missing number
Detect cycle in a directed graph
Design a tiny URL or URL shortener
Maximum Index
Jumping Numbers
Number of paths in a matrix with k coins
Stock buy and sell
Possible groups
Column name from a given column number
Heap Sort
Triplet Sum in Array
Complete Binary Tree
Construct Binary Tree from Inorder and Postorder
Merge Sort
Intersection Point in Y Shaped Linked Lists
Rotten Oranges
Spirally traversing a matrix
Rotate a 2D array without using extra space
Maximum Difference
k largest elements
Root to Leaf Paths
Sum of two elements with sum nearest to zero
Flood fill Algorithm
Unit Area of largest region of 1's
Bipartite Graph
Shortest Source to Destination Path
Find the number of islands
Infix to Postfix
Decode the string
Sort a stack
Make Binary Tree From Linked List
Top View of Binary Tree
Get minimum element from stack
Find triplets with zero sum
Vertical Traversal of Binary Tree
Find a pair with given target in BST
Delete nodes greater than k
Find Common Nodes in two BSTs
Find the Closest Element in BST
Is Binary Tree Heap
Array to BST
Delete a node from BST
Permutation with Spaces
Implement Atoi
Permutations of a given string
Peak element
Largest subarray with 0 sum
Kadane's Algorithm
Majority Element
Rearrange an array with O(1) extra space
Binary Tree to DLL
Maximum Path Sum between 2 Special Nodes
Reorder List
Clone a linked list with next and random pointer
Find median in a stream
Find Last Digit Of a^b for Large Numbers
Solve the Sudoku
Merge two BST 's
Ugly Numbers