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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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shewshaw
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320
Rank
Current POTD Streak
STREAK
00
/970
days
Institution
Jadavpur University, Kolkata
Language Used
C++, C
Overall Coding Score
646
Total Problem Solved
273
Monthly Coding Score
_ _
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 (10)
BASIC (50)
EASY (97)
MEDIUM (107)
HARD (9)
Binary representation
Reverse an Array
Remainder Evaluation
Maximum and Minimum Of Array Elements
Reverse digits
Odd or Even
Number Pattern
Pattern Printing
Sum of Array Elements
Print 1 to n without using loops
Count nodes of linked list
Uncommon characters
Find number of days between two given dates
Binary Search
Find position of set bit
Pattern Jumping
Check If Circular Linked List
Count Squares
Anagram of String
Rotate Array
Exceptionally odd
Postorder Traversal
Preorder Traversal
Inorder Traversal
Size of Binary Tree
Total distance travelled in an array
Fake Profile
Unique Numbers
Binary Array Sorting
Third largest element
Replace the Bit
Keypad typing
Remove character
Sort a String
Check if divisible by 4
Binary String
Maximum Occuring Character
Count Leaves in Binary Tree
Ladoo problem
Check if two arrays are equal or not
Find duplicates under given constraints
Sort in specific order
Search an Element in an array
Power of 2
C++ STL | Set 8 (unordered set)
C++ STL | Set 7 (unordered map)
C++ STL | Set 6 (set)
C++ STL | Set 5 (queue)
C++ STL | Set 4 (stack)
C++ STL | Set 3 (map)
C++ STL | Set 1 (vector)
Rearranging array
Doubly linked list Insertion at given position
Largest product
Replace all 0's with 5
Node at a given index in linked list
Print Linked List elements
Sort The Array
Maximum product of two numbers
Total count
Remove duplicates in small prime array
Finding Number
Missing number in array
Count all possible paths from top left to bottom right
BFS of graph
Nth Fibonacci Number
Largest subarray of 0's and 1's
Four Elements
Smallest number by rearranging digits of a given number
Is Binary Number Multiple of 3
Nth item through sum
Print BST elements in given range
String comparison
Pairwise swap elements of a linked list
Maximum Width of Tree
Rotate by 90 degree
K distance from root
Transform to Sum Tree
Longest Consecutive Subsequence
Level order traversal in spiral form
Reverse words in a given string
Equilibrium Point
Longest Distinct characters in string
Element that appears once where every element occurs twice
Move all zeroes to end of array
Delete nodes having greater value on right
Wave Array
Index Of an Extra Element
Intersection of Two Linked Lists
Inorder Successor in BST
Count More than n/k Occurences
Mirror Tree
Height of Binary Tree
Match specific pattern
Check for BST
Count BST nodes that lie in a given range
Sort by Set Bit Count
Punish the Students
Minimum number of swaps needed
Shop in Candy Store
Check if array is sorted
Good Pairs
Level order traversal Line by Line
Sum of k smallest elements in BST
Intersection of two sorted Linked lists
Decimal Equivalent of Binary Linked List
Remove duplicate element from sorted Linked List
Lucky Number
Count distinct elements in every window
Find first repeated character
Remove duplicates from an unsorted linked list
Delete Middle of Linked List
Reverse a linked list
Nth node from end of linked list
Delete without head pointer
Detect Loop in linked list
Compare two linked lists
linked list of strings forms a palindrome
Given a linked list of 0s, 1s and 2s, sort it.
Delete a Node in Single Linked List
Remove every kth node
Level order traversal
Min sum formed by digits
Convert an array to reduced form
DFS of Graph
Distinct Substrings
Remove all duplicates from a given string
Pattern Searching
Count Substrings
Generate binary string
Two Mirror Trees
Palindrome String
Non Repeating Character
Anagram
Padovan Sequence
Left most and right most index
Smallest subarray with sum greater than x
Rahul a Geek
Adding One
Frequencies of Limited Range Array Elements
Party of Couples
Queue using two Stacks
C++ STL | Set 2 (pair)
The Prime Twins
Sieve of Eratosthenes
Print Pattern
Parenthesis Checker
Delete N nodes after M nodes of a linked list
Occurence of an integer in a Linked List
Insertion Sort
Maximize sum after K negations
Left or Right Positioned Array
Happy Number
Buildings receiving sunlight
Max value
Finding middle element in a linked list
Leaders in an array
Find the Closest Element in BST
Next Permutation
0 - 1 Knapsack Problem
Equal Sum Partition
Maximum path sum in matrix
Rat in a Maze Problem - I
Find the N-th character
Largest square formed in a matrix
Longest Repeating Subsequence
Minimum number of jumps
Lowest Common Ancestor in a Binary Tree
Max Sum without Adjacents
Minimum Swaps to Sort
Boundary Traversal of binary tree
Combination Sum - Part 2
Combination Sum
Construct Binary Tree from Inorder and Postorder
Construct Tree from Inorder & Preorder
Excel Sheet | Part - 1
Diameter of a Binary Tree
Reverse a Linked List in groups of given size
Find Indexes of a subarray with given sum
Maximum of all subarrays of size k
Column name from a given column number
Largest Number formed from an Array
Maximum Product Subarray
Extreme nodes in alternate order
Check if subtree
Maximum difference between node and its ancestor
k-th smallest element in BST
Find All Four Sum Numbers
Smallest distinct window
Longest Common Subsequence
Longest Increasing Subsequence
Overlapping Intervals
Diagonal Traversal of Binary Tree
Delete a node from BST
Connect Nodes at Same Level
Add all greater values to every node in a BST
Peak element
Union of Two Linked Lists
Root to Leaf Paths
Vertical sum
Counting elements in two arrays
K Sum Paths
Modify Linked List-1
Check if Tree is Isomorphic
Leaves to DLL
Top k numbers in a stream
Find a pair with given target in BST
Top View of Binary Tree
Complete Binary Tree
Leftmost and rightmost nodes of binary tree
Maximum path sum from any node
A Simple Fraction
Bottom View of Binary Tree
Merge K sorted linked lists
Next Greater Element
Pythagorean Triplet
Longest Common Substring
Search in a Rotated Array
Kadane's Algorithm
Majority Element
Vertical Traversal of Binary Tree
Validate an IP Address
Triplet Sum in Array
Find Common Nodes in two BSTs
Longest consecutive subsequence
Remove loop in Linked List
Segregate even and odd nodes in a Linked List
Delete keys in a Linked list
Intersection Point in Y Shaped Linked Lists
Absolute List Sorting
Find triplets with zero sum
Merge two sorted linked lists
Rotate a Linked List
Merge 2 sorted linked list in reverse order
Add 1 to a number represented as linked list
Rearrange a linked list
Check if Linked List is Palindrome
First non-repeating character in a stream
Find whether path exist
Stepping Numbers
Sort an array of 0s, 1s and 2s
Case-specific Sorting of Strings
Sorting Elements of an Array by Frequency
Rearrange an array with O(1) extra space
String formation from substring
Rearrange characters
Maximize Number of 1's
Find Prime numbers in a range
Magic Triplets
Maximum Index
Sort an array according to the other
Find Missing And Repeating
Count Divisors of Factorial
Count Numbers in Range
Length of the longest substring
Minimums in Array
Count of Subarrays
Add two numbers represented by linked lists
Reverse alternate nodes in Link List
Smallest number on left
Rearrange Array Alternately
k largest elements
Sum of Middle Elements of two sorted arrays
Max and Min Products
Binary Tree to DLL
Longest Prefix Suffix
Merge two BST 's
Fixing Two nodes of a BST
Longest valid Parentheses
Reorder List
Smallest window in a string containing all the characters of another string
Subtraction in Linked List
Merge Without Extra Space