S
shreyansh2511
STREAK
01/1460
days
Longest streak/Global longest streak
Institution
SRMIST
Language Used
Java
Coding Score
1878
Problem Solved
665
Contest Rating
__
7 points
Contributor
7 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
25 submissions in current year
SCHOOL (1)
BASIC (8)
EASY (281)
MEDIUM (352)
HARD (23)
- Longest Even Length Substring
- Sorting Elements of an Array by Frequency
- Nearly Sorted Algorithm
- Last two digits of Fibonacci
- COVID19
- Reverse alternate nodes in Link List
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Rearrange a linked list
- Add 1 to a Linked List Number
- Merge 2 sorted linked list in reverse order
- Linked List in Zig-Zag fashion
- Detect Loop in linked list
- Quick Sort on Linked List
- Insert in Sorted Circular Linked List
- Count BST nodes that lie in a given range
- Merge Sort
- Quick Sort
- Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Add all greater values to every node in a BST
- Sum Tree
- Connect Nodes of Levels
- Flattening a Linked List
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Reverse alternate levels of a perfect binary tree
- Delete a node from BST
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Maximum difference between node and its ancestor
- Absolute List Sorting
- Two Stacks in an Array
- Max sum path in two arrays
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological sort
- Vertical Tree Traversal
- Merge K sorted linked lists
- Find the number of islands
- Max sum in the configuration
- Get Min from Stack
- Serialize and deserialize a binary tree
- Gas Station
- Wildcard Pattern Matching
- Linked List to Binary Tree
- Check if subtree
- Extreme nodes in alternate order
- Kth element in Matrix
- Is Binary Tree Heap
- Clone a Binary Tree
- Validate an IP Address
- Remove loop in Linked List
- Largest BST
- Interleaved Strings
- Sorted subsequence of size 3
- Multiply two strings
- Minimum Swaps to Sort
- Implement Atoi
- Count of distinct substrings
- Palindrome Linked List
- Print matrix in diagonal pattern
- Rat in a Maze Problem - I
- Max sum subarray by removing at most one element
- Closest in BST
- BST with Dead End
- Merge two BST 's
- Count distinct elements in every window
- k-Anagram
- Merge k Sorted Arrays
- Root to leaf paths sum
- Longest Palindrome in Linked List
- Bridge edge in a graph
- Find triplets with zero sum
- Sort a stack
- Duplicate Subtree
- Top View of Binary Tree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Delete nodes greater than k
- Merge Sort for Linked List
- Union of Two Linked Lists
- Ancestors in Binary Tree
- Pair Sum in BST
- Root to Leaf Paths
- Populate Inorder Successor for all nodes
- Counting elements in two arrays
- Construct expression tree
- Linked List that is Sorted Alternatingly
- K Sum Paths
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Vertical sum
- Insert in Sorted way in a Sorted DLL
- Isomorphic Trees
- Maximum path sum from any node
- Predecessor and Successor
- Leaves to DLL
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Deletion and Reverse in Circular Linked List
- Normal BST to Balanced BST
- Duplicate Subtrees
- Construct Tree from Preorder Traversal
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- Check if two Nodes are Cousins
- ZigZag Tree Traversal
- Count Number of SubTrees having given Sum
- Vertical Width of a Binary Tree
- Mother Vertex
- Ceil in BST
- Smallest Positive Missing
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Index
- Stock buy and sell
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Unique BST's
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Count the number of possible triangles
- Triplet Sum in Array
- Merge Without Extra Space
- Possible paths between 2 vertices
- Level of Nodes
- Boolean Matrix
- Spirally traversing a matrix
- Search in a sorted Matrix
- Distance of nearest cell having 1
- Unit Area of largest region of 1's
- Subarray with 0 sum
- Subarray range with given sum
- Subarrays with equal 1s and 0s
- Sort Elements by Decreasing Frequency
- Longest Consecutive Subsequence
- Case-specific Sorting of Strings
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- Infix to Postfix
- K Sized Subarray Maximum
- Nearly sorted
- Activity Selection
- Minimum Platforms
- Minimum Jumps
- Stickler Thief
- Ways to Reach the n'th Stair
- Egg Dropping Puzzle
- Sum of all substrings of a number
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Number of Unique Paths
- Sort according to an Array
- Allocate Minimum Pages
- Preorder to BST
- Zero Sum Subarrays
- Find whether path exist
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Nth Catalan Number
- Rotten Oranges
- Steps by Knight
- Most frequent word in an array of strings
- Maximize The Cut Segments
- Container With Most Water
- Print Anagrams Together
- Rotate by 90 degree
- Top K Frequent in Array
- Closest Three Sum
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- Word Boggle
- Prerequisite Tasks
- 4 Sum - All Quadruples
- Excel Sheet | Part - 1
- Sort 0s, 1s and 2s
- Paths to reach origin
- Maximum Sub Array
- Pascal Triangle
- Maximum Index
- Equal Sum
- Maximize Number of 1's
- Sum of Middle elements of two sorted arrays
- Single Among Doubles in a Sorted
- Consecutive 1's not allowed
- Count Occurences of Anagrams
- Pythagorean Triplet
- Happiest Triplet
- Painting the Fence
- Pair Sum Closest to 0
- Search in Rotated Sorted Array
- Form the Largest Number
- Water Collection
- Maximum Product Subarray
- Longest subarray with sum divisible by K
- Check if a string is repetition of its substring of k-length
- Row with max 1s
- Swapping pairs make sum equal
- Column name from a given column number
- Comment Removal
- Substrings with K Distinct
- Form a palindrome
- Smallest subarray with all occurrences of a most frequent element
- Nuts and Bolts Problem
- Rotate a Matrix
- Longest Subarray with Sum K
- Transform String
- Count the Reversals
- Sum of two large numbers
- Max Sum without Adjacents
- Factorials of large numbers
- Reverse each word in a given string
- Length of the longest substring
- Remove leading zeros from an IP address
- The Tiny Miny
- Maximum Sum Path in Two Arrays
- k largest elements
- Longest Common Substring
- Smallest distinct window
- Longest substring with distinct characters
- Count of substrings containing K ones
- Longest Substring with K Uniques
- Longest Palindrome in a String
- Look and Say Pattern
- Valid Expression
- K-th element of two Arrays
- Arranging the array
- Triplets with Smaller Sum
- Rod Cutting
- Greater tower sum
- K closest elements
- Minimum swaps and K together
- LCS of three strings
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- Longest Common Increasing Subsequence
- First negative in every window of size k
- Find the number of subarrays having even sum
- Maximum difference of zeros and ones in binary string
- Minimum sum
- Not a subset sum
- Maximum possible sum
- Minimize the Heights II
- Large Factorials
- First and Last Occurrences
- Minimum Deletions
- Print N-bit binary numbers having more 1s than 0s
- Valid Substring
- Permutations of a String
- Find largest word in dictionary
- Friends Pairing Problem
- Subarrays Product Less than K
- Unique Number II
- Largest prime factor
- Minimum number of deletions and insertions
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- String Subsequence
- Coin Change (Minimum Coins)
- Palindromic Strings
- Perfect Sum Problem
- Kth Smallest Factor
- K-Palindrome
- Longest subsequence-1
- Count ways to N'th Stair(Order does not matter)
- Minimum Cost To Make Two Strings Identical
- Find distinct elements
- Knapsack with Duplicate Items
- nCr
- Count of sum of consecutives
- Minimum steps to destination
- Partition Equal Subset Sum
- Longest Bitonic subsequence
- Array Pair Sum Divisibility Problem
- Magic Triplets
- Knight Walk
- Bell Numbers
- Sum of Query II
- Jumping Numbers
- Game with String
- Next Permutation
- Longest Repeating Subsequence
- Longest alternating subsequence
- Preorder Traversal and BST
- Stream First Non-repeating
- Maximum Sub-String after at most K changes
- Segregate even and odd nodes in a Linked List
- Largest square formed in a matrix
- Kth Largest in a Stream
- Snake and Ladder Problem
- Check Mirror in N-ary tree
- Count the paths
- Floyd Warshall
- Flood fill Algorithm
- Shortest Source to Destination Path
- Dam of Candies
- Restrictive Candy Crush
- Jump Game
- Max Diff Elements and Indexes
- Iterative Inorder
- Triplets with sum with given range
- Preorder traversal (Iterative)
- Iterative Postorder
- Subset Sum Problem
- Longest Palindromic Substring
- Form a palindrome
- Search Pattern (Rabin-Karp Algorithm)
- Covid Spread
- Bellman-Ford
- Subarrays with sum K
- Remove BST keys outside given range
- Partition a Linked List around a given value
- Number of Provinces
- Prefix match with other strings
- Maximum sum leaf to root path
- Maximum GCD of siblings of a binary tree
- BST to max heap
- Paths from root with a specified sum
- Remove all occurences of duplicates in a linked list
- Minimize the Heights I
- IPL 2021 - Match Day 2
- Unique Number III
- Clone an Undirected Graph
- Box Stacking
- Longest Palindrome Substring
- Strange Matrix
- Min Cost Climbing Stairs
- Minimum times A has to be repeated such that B is a substring of it
- Overlapping Intervals
- Special Keyboard 2
- Minimize connections
- Majority Element II
- Koko Eating Bananas
- Prefix to Postfix Conversion
- Count Number of Nodes in a Binary Tree
- Introduction to DP
- Flattening a Linked List
- Minimum repeat to make substring
- Intersection Point in Y Shaped Linked Lists
- Fraction pairs with sum 1
- GeeksforGeeks New System
- Geek and his Marks
- Reverse a linked list
- Frequency in a Linked List
- Delete N nodes after M nodes of a linked list
- Pairwise swap elements of a 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
- Bubble Sort
- Check for BST
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of Tree
- Delete without head pointer
- 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
- Delete Middle of Linked List
- Transform to Sum Tree
- Intersection Sorted Linked Lists
- Find Transition Point
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Stack using Linked List
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Root to leaf path sum
- Square Root
- Nodes without a Sibling
- Lowest Common Ancestor in a BST
- Binary Search
- Run Length Encoding
- Largest subarray of 0's and 1's
- Remove Duplicates Sorted Array
- Level Order Line by Line
- BST Keys in a Range
- Minimum Depth of a Binary Tree
- Remove Duplicates from an array
- Odd even level difference
- Binary Tree to BST
- K-Palindrome
- Equilibrium index of an array
- Unique rows in boolean matrix
- Leaves at Same Level or Not
- Third largest element
- Convert to Roman No
- Match specific pattern
- Expression Tree
- Max distance between same elements
- Repetition of k length substring
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Max Level Sum in Binary Tree
- Special Stack
- Three way partitioning
- Level order traversal
- Inorder Successor in BST
- Index of an Extra Element
- Convert Ternary Expression to Binary Tree
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Level of a Node in Binary Tree
- More than n/k Occurrences
- Counting Sort
- Max and min element in Binary Tree
- Perfect Binary Tree
- Reverse Using Stack
- Symmetric Tree
- Construct BST from Postorder
- Huffman Decoding-1
- Count Pairs whose sum is equal to X
- Maximum Node Level
- Find length of Loop
- Median of BST
- Leaf under budget
- Linked List Matrix
- Queue Reversal
- Reverse first K of a Queue
- Remove Half Nodes
- Height of Spiral Tree
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Nodes at Odd Levels
- Sum of Leaf Nodes at Min Level
- Delete Mid of a Stack
- Rotate doubly Linked List
- Matrix Interchange
- Predict the Column
- Matrix Interchange - Java
- Find the Frequency
- Java ArrayList Operation
- Reverse an Array
- Stack Operations
- Frequency in Queue
- Operations on PriorityQueue
- Wave Array
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Minimum Number in a sorted rotated array
- Print adjacency list
- Transpose of Matrix
- Rotate by 90 degree
- Anagram
- Winner of an election
- String Rotated by 2 Places
- Strings Rotations of Each Other
- Reverse Words
- Minimum indexed character
- Panagram Checking
- Non Repeating Character
- Parenthesis Checker
- Minimum indexed character
- Minimum Cost of ropes
- N meetings in one room
- Largest number with given sum
- Reach a given score
- Count ways to N'th Stair
- Count number of hops
- First Repeating Element
- Union of Arrays with Duplicates
- Check Equal Arrays
- Numbers containing 1, 2 and 3
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Search an element in sorted and rotated array
- Intersection of Arrays with Distinct
- Max Value Permutation
- Missing And Repeating
- Subarrays with given sum
- Cumulative frequency of count of each element in an unsorted array
- Buildings receiving sunlight
- Non-Repeating Element
- Last seen array element
- Pairs of equals Sum
- Max value
- Count the elements
- Find Kth Rotation
- k sorted array
- Common in 3 Sorted Arrays
- Sorted and Rotated Minimum
- Maximum no of 1's row
- Sum of elements between k1'th and k2'th smallest elements
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- String Duplicates Removal
- Equal Sum and Product
- Find pairs with given relation
- Missing number
- Move all negative elements to end
- Chocolate Distribution Problem
- Minimum Distinct Ids
- Count pairs Sum in matrices
- Count the triplets
- Find Pair Given Difference
- Bitonic Point
- Left most and right most index
- Smallest subarray with sum greater than x
- Closest Strings
- Single Number
- Alternate Positive Negative
- 1[0]1 Pattern Count
- Remaining String
- Remove Consecutive Characters
- Common Subsequence
- Convert a sentence into its equivalent mobile numeric keypad sequence
- Remove b and ac from a given string
- Palindrome Sentence
- Addition of submatrix
- Check if the number is balanced
- Sort in specific order
- Rearrange a string
- Remove Duplicates
- Convert the string
- Nearest multiple of 10
- Facing the sun
- Greater on right side
- Count Substrings
- Twice Counter
- Distinct Substrings
- Word with maximum frequency
- Second Largest
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Second most repeated string in a sequence
- Check if array contains contiguous integers
- Rearrange to Make arr[i] = i
- Equal point in a string of brackets
- Find all pairs with a given sum
- Number of occurrence
- K-Pangrams
- Modify the Array
- Convert an array to reduced form
- Check if array is sorted
- Sum Pair closest to target
- Find missing in second array
- Longest Common Prefix of Strings
- Largest Fibonacci Subsequence
- First Repeated Character
- Special array reversal
- Min Number of Flips
- Maximum number of characters between any two same character
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Three Great Candidates
- Element with left side smaller and right side greater
- Merging two unsorted arrays in sorted order
- Count the Zeros
- Merge two binary Max heaps
- Sum of Lengths of Non-Overlapping SubArrays
- Four Elements
- First and Second Smallests
- Palindrome String
- Maximum average subarray
- Total count
- Search array with adjacent diff at most k
- Smallest greater elements in whole array
- Pangram Strings
- Pair with given sum in a sorted array
- Count number of words
- Print Bracket Number
- Shop in Candy Store
- Odd Even Problem
- Lucas Number
- Generate binary string
- Is Binary Number Multiple of 3
- Extract the Number from the String
- Find the Highest number
- Lucky Number
- Nth Fibonacci Number
- Maximum Sum Problem
- Shortest path from 1 to n
- Reach the Nth point
- Minimum number of Coins
- Grouping values
- Sum Indexes
- Recamans sequence
- Count ways to express N as the sum of 1,3 and 4
- Form a number divisible by 3 using array digits
- Maximum Diamonds
- Row with Minimum 1s
- Find the highest occurring digit in prime numbers in a range
- Array to BST
- Sum of dependencies in a graph
- Count all possible paths from top left to bottom right
- Print Diagonally
- Plus One
- Queue using stack
- Binary Search in forest
- Largest value in each level
- First and last occurrences of x
- Silver and Gold
- Zero
- Awesome Pairs
- Wave Array
- Count the Substrings
- Count the Subarrays
- Find all possible paths from top to bottom
- Smallest window containing 0, 1 and 2
- Stock Buy and Sell – Max one Transaction Allowed
- Frogs and Jumps
- Unique Number of Occurrences
- Tribonacci Number
- Linked List Group Reverse
- Binary Tree to DLL
- Min distance between two given nodes of a Binary Tree
- Max rectangle
- Distinct occurrences
- Box Stacking
- String Permutations
- Trapping Rain Water
- Smallest window containing all characters of another string
- Histogram Max Rectangular Area
- Minimum Cost Path
- Median of 2 Sorted Arrays of Different Sizes
- Merge Without Extra Space
- The Painter's Partition Problem-II
- Distinct palindromic substrings
- Search Pattern (KMP-Algorithm)
- Longest Prefix Suffix
- Edit Distance
- Median in a row-wise sorted Matrix
- Longest valid Parentheses
- Phone directory
- Word Wrap
- Shortest Unique prefix for every word
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