S
shubh_89
STREAK
00/1477
days
Longest streak/Global longest streak
Language Used
C++, C, Java, Python
Coding Score
1126
Problem Solved
504
Contest Rating
__
Campus Mantri
algo_artisan_sandip227 points
Contributor
227 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 (87)
EASY (209)
MEDIUM (189)
HARD (17)
- Sorting Elements of an Array by Frequency
- Shivani hates Consecutive numbers
- 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
- Insert in Sorted Circular Linked List
- Bottom View of Binary Tree
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Merge two sorted linked lists
- Sum Tree
- Flattening a Linked List
- Tree Boundary Traversal
- Reverse alternate levels of a perfect binary tree
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Absolute List Sorting
- Two Stacks in an Array
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological sort
- Max sum in the configuration
- Get Min from Stack
- Kth smallest element in a Matrix
- Is Binary Tree Heap
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Largest BST
- Interleaved Strings
- Minimum Swaps to Sort
- Implement Atoi
- Maximum Difference
- Palindrome Linked List
- Rat in a Maze Problem - I
- Bipartite Graph
- Count distinct elements in every window
- Find triplets with zero sum
- Sort a stack
- Top View of Binary Tree
- Find Common Nodes in two BSTs
- Level order traversal
- Peak element
- Delete nodes greater than k
- Merge Sort for Linked List
- Union of Two Linked Lists
- Ancestors in Binary Tree
- Root to Leaf Paths
- Linked List that is Sorted Alternatingly
- Construct Tree from Inorder & Preorder
- Arrange Consonants and Vowels
- Vertical sum
- Isomorphic Trees
- Predecessor and Successor
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Deletion and Reverse in Circular Linked List
- Normal BST to Balanced BST
- Check if two Nodes are Cousins
- ZigZag Tree Traversal
- Ceil in BST
- Count set bits
- Tower Of Hanoi
- Reverse array in groups
- Smallest Positive Missing
- Power Of Numbers
- Wave Array
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Index
- Stock buy and sell
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Binary Array Sorting
- Count Inversions
- Indexes of Subarray Sum
- Count the number of possible triangles
- Make Matrix Beautiful
- Spirally traversing a matrix
- Search in a sorted Matrix
- Rotate by 90 degree
- Sort Elements by Decreasing Frequency
- Longest Consecutive Subsequence
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- Infix to Postfix
- Kth smallest element
- Activity Selection
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- M-Coloring Problem
- Minimum Jumps
- Stickler Thief
- Egg Dropping Puzzle
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Sort according to an Array
- Allocate Minimum Pages
- Preorder to BST
- Zero Sum Subarrays
- Kth Smallest
- Shortest Common Supersequence
- Word Break
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Large Factorial
- Maximize Number of 1's
- Single Among Doubles in a Sorted
- Count Occurences of Anagrams
- Pythagorean Triplet
- Search in Rotated Sorted Array
- Count pairs Sum in matrices
- Form the Largest Number
- Water Collection
- Row with max 1s
- Max value after m range operation
- Sort in specific order
- Form a palindrome
- Nuts and Bolts Problem
- Rotate a Matrix
- Longest Subarray with Sum K
- Count the Reversals
- Factorials of large numbers
- Shuffle integers
- k largest elements
- Longest Common Substring
- Longest Substring with K Uniques
- Longest Palindrome in a String
- K-th element of two Arrays
- Arranging the array
- Triplets with Smaller Sum
- Rod Cutting
- Longest Palindromic Subsequence
- Longest substring with equal number of 0s and 1s
- First negative in every window of size k
- Minimize the Heights II
- Surpasser Count
- First and Last Occurrences
- Valid Substring
- Minimum number of deletions
- Permutations of a String
- Closest prime number
- Subarrays Product Less than K
- Unique Number II
- Game of XOR
- Minimum number of deletions and insertions
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Sieve of Eratosthenes
- Coin Change (Minimum Coins)
- Smallest number
- Power Set
- Knapsack with Duplicate Items
- Partition Equal Subset Sum
- Min Coin
- Subset Sums
- Number of paths
- Nth Natural Number
- Fraction to Repeating Decimal
- Rotate a Matrix by 180 Counterclockwise
- Next Permutation
- Longest Repeating Subsequence
- Finding Profession
- Rotate Each Row of Matrix K Times
- Is Sudoku Valid
- Stream First Non-repeating
- Segregate even and odd nodes in a Linked List
- Print leaf nodes from preorder traversal of BST
- Check Mirror in N-ary tree
- Floyd Warshall
- Number of minimum picks to get 'k' pairs of socks from a drawer
- Spiral Matrix
- Coins of Geekland
- Valid Pair Sum
- Jump Game
- Max Diff Elements and Indexes
- Subset Sum Problem
- Bellman-Ford
- Division without using multiplication, division and mod operator
- Target Sum
- Replace by X
- Sahil loves gfg
- Sahil love good scorer
- Gadgets of Doraland
- Reverse a linked list
- Delete N nodes after M nodes of a linked list
- Pairwise swap elements of a linked list
- Node at a given index in linked list
- Remove duplicates from an unsorted linked list
- Split a Linked List into two halves
- Delete in a Doubly Linked List
- Inorder Traversal
- Reverse a Doubly Linked List
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of 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
- 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
- Implement stack using array
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Root to leaf path sum
- Square Root
- Nodes without a Sibling
- Postorder from Inorder and Preorder
- Lowest Common Ancestor in a BST
- Binary Search
- 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
- Equilibrium index of an array
- Leaves at Same Level or Not
- Third largest element
- Josephus problem
- Expression Tree
- Max distance between same elements
- Count Occurrence of digit k
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Max Level Sum in Binary Tree
- Special Stack
- Three way partitioning
- Inorder Successor in BST
- Index of an Extra Element
- Convert Ternary Expression to Binary Tree
- Intersection of Two Linked Lists
- Disjoint set (Union-Find)
- Insert in a Sorted List
- Level of a Node in Binary Tree
- Perfect Binary Tree
- Symmetric Tree
- Delete Alternate Nodes
- Construct BST from Postorder
- Merge Lists Alternatingly
- Find the Sum of Last N nodes of the Linked List
- Count Pairs whose sum is equal to X
- Maximum Node Level
- Find length of Loop
- Median of BST
- Leaf under budget
- Find n/k th node in Linked list
- Linked List Matrix
- Maximum Pairwise Computed Value
- Queue Reversal
- Reverse first K of a Queue
- Remove Half Nodes
- Height of Spiral Tree
- Sum of Left Leaf Nodes
- Nodes at Odd Levels
- Sum of Leaf Nodes at Min Level
- Swap the array elements
- Count the Specials
- Matrix Interchange
- Longest Consecutive 1's
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Print adjacency list
- Transpose of Matrix
- Winner of an election
- Reverse Words
- Sum of numbers in string
- Minimum indexed character
- Parenthesis Checker
- Generate Binary Numbers
- N meetings in one room
- Union of Arrays with Duplicates
- Check Equal Arrays
- Numbers containing 1, 2 and 3
- Missing in Array
- Product array puzzle
- Intersection of Arrays with Distinct
- Max Value Permutation
- Missing And Repeating
- Buildings receiving sunlight
- Non-Repeating Element
- Find Kth Rotation
- Sort by Set Bit Count
- Minimum Energy
- Professor and Parties
- Common in 3 Sorted Arrays
- Sorted and Rotated Minimum
- Maximum no of 1's row
- Next greater number set digits
- Move All Zeroes to End
- String Duplicates Removal
- Missing number
- Move all negative elements to end
- Chocolate Distribution Problem
- Minimum Distinct Ids
- Count the triplets
- Find Pair Given Difference
- Finding Number
- Minimize Difference in Task Priorities
- Bitonic Point
- Find Duplicate Element
- Left most and right most index
- Smallest subarray with sum greater than x
- Alternate Positive Negative
- Maximum Possible Sum of Products
- Addition of submatrix
- Form largest number from digits
- Remove Duplicates
- Sorting Employees
- Facing the sun
- Greater on right side
- Bitonic Generator Sort
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Find all pairs with a given sum
- Number of occurrence
- Maximum repeating number
- Does array represent Heap
- Find missing in second array
- Largest Fibonacci Subsequence
- First Repeated Character
- Substrings with same first and last characters
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Print an array in Pendulum Arrangement
- Play With OR
- Digits in a set
- Element with left side smaller and right side greater
- Ishaan and Sticks
- Count the Zeros
- Sum of Lengths of Non-Overlapping SubArrays
- Java Arrays | Set 1
- First and Second Smallests
- Palindrome String
- Total count
- Search array with adjacent diff at most k
- Smallest greater elements in whole array
- Print Bracket Number
- Number of 1 Bits
- The Nth Fibonnaci
- Nth Fibonacci Number
- Element that appears once where every element occurs twice
- Prime Number
- Generate all palindromic numbers less than n
- Twisted Prime Number
- Count numbers containing 4
- Amicable Pair
- Number Of Open Doors
- Number of Groups
- Pair cube count
- Maximum height of the staircase
- Rectangles in N*N Board
- Squares in N*N Chessboard
- Trailing zeroes in factorial
- Total number of Strings
- Number of 1's in smallest repunits
- Recursive sequence
- Tom and Jerry
- Prime number of set bits
- Next sparse binary number
- Help the Old Man!!!
- Print Pattern
- Primes sum
- Array to BST
- Rearrange Geek and his Classmates
- Sum of k smallest elements in BST
- Plus One
- Kth Mex
- Rotate Array
- Print Linked List
- Find Length of Linked List
- Size of Binary Tree
- Count Leaves in Binary Tree
- Postorder Traversal
- Queue Using Array
- Replace all 0's with 5
- Preorder Traversal
- Search a node in BST
- Linked List Insertion At End
- Minimum element in BST
- Is Linked List Length Even?
- Identical Linked Lists
- Triplet Family
- Sum of Binary Tree
- Insert in Middle of Linked List
- Count Non-Leaf Nodes in Tree
- Bit Difference
- Reverse a String
- Binary Array Sorting
- Find second largest element
- Doubling the value
- Ishaan's Internship
- Type of array
- Anagram Palindrome
- Alternative Sorting
- Change the string
- Maximum product of two numbers
- Value equal to index value
- Segregate Even and Odd numbers
- Fighting the darkness
- Immediate Smaller Element
- Sum of distinct elements
- Count the characters
- Uncommon characters
- Quick Left Rotation
- Remove Spaces
- Repeated Character
- First 1 in a Sorted Binary Array
- Max and Min Product from 2 Arrays
- Elements in the Range
- Last index of One
- Largest Element in Array
- Rotate Array by One
- Game with nos
- One odd Occuring
- Ishaan Loves Chocolates
- Array Subset
- Rotating an Array
- Min and Max in Array
- Positive and negative elements
- Print first letter of every word in the string
- Remove character
- Red OR Green
- Convert String to LowerCase
- Java Strings | Set 1
- GCD of Array
- Check for Power
- Find position of set bit
- Change all even bits in a number to 0
- Find the fine
- LCM And GCD
- House Robber
- Longest Increasing Subarray
- Shortest un-ordered subarray
- Absolute Difference of 1
- Count numbers divisible by M
- Check if the door is open or closed
- Java 1-d and 2-d Array
- Count Squares
- Check if the number is Fibonacci
- Sum of Digits Divisibility
- Print the Kth Digit
- Unique Numbers
- Height of Heap
- Three distinct factors
- Repetitive Addition Of Digits
- Half N by M
- Pattern Jumping
- Perfect Squares in a Range
- The Lazy Caterer's Problem
- Finding Position
- Squares in a Matrix
- Sum of primes
- Count Sorted Rows
- Sorted matrix
- Linked List Group Reverse
- Max rectangle
- Trapping Rain Water
- Max Circular Subarray Sum
- Histogram Max Rectangular Area
- Max of min for every window size
- Median of 2 Sorted Arrays of Different Sizes
- Merge Without Extra Space
- Ugly Numbers
- Edit Distance
- Minimum sum partition
- Palindromic Partitioning
- Matrix Chain Multiplication
- Median in a row-wise sorted Matrix
- Boolean Parenthesization
- Smallest Positive Integer that can not be represented as Sum
- Min Chars to Add for Palindrome
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