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H
himanshuparihar1600
STREAK
99/1426
days
Longest streak/Global longest streak
Institution
MBM UNIVERSITY
Institute Rank
Language Used
C++, C
Coding Score
1920
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542
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299 points
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299 points
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3 submissions in current year
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BASIC (11)
EASY (143)
MEDIUM (334)
HARD (54)
- Binary Tree to DLL
- Max rectangle
- Partition array to k subsets
- Alien Dictionary
- Fixing Two nodes of a BST
- Number of Turns in Binary Tree
- Smallest window containing all characters of another string
- Burning Tree
- Ugly Numbers
- Count Smaller elements
- Minimum sum partition
- Palindromic Partitioning
- Stock Buy and Sell – Max K Transactions Allowed
- Matrix Chain Multiplication
- Median in a row-wise sorted Matrix
- Kill Captain America
- Bike Racing
- Word Break - 2
- Brackets in Matrix Chain Multiplication
- nCr mod M | Part 1
- Phone directory
- Adventure in a Maze
- Closest Palindrome
- Optimal binary search tree
- Longest Path in a matrix
- Word Wrap
- Find the Maximum Flow
- Corona Vaccine
- Longest substring to form a Palindrome
- Minimum X (xor) A
- Sorted Linked List to BST
- Palindrome Pairs
- Array Partition
- Count occurrences of a given word in a 2-d array
- Number of distinct words with K maximum contiguous vowels
- Reverse a sublist of a linked list
- Shortest Unique prefix for every word
- Split Array Largest Sum
- Shortest Path by Removing K walls
- Min Chars to Add for Palindrome
- Minimum time to fulfil all orders
- Geek in a Maze
- Stable Array
- Minimum BST Sum Subtree
- Minimum BST Sum Subtree
- Target Grid Sum
- Optimal Value
- MaxSkill
- Minimum Sum
- Forest Escape
- Largest Sum Cycle
- Avoid Fire
- Maximum Number of coins
- Stable Array
- Rotate a Linked List
- Detect Loop in linked list
- QuickSort on Doubly Linked List
- Count BST nodes that lie in a given range
- Bottom View of Binary Tree
- Diameter of a Binary Tree
- Sum Tree
- Connect Nodes of Levels
- Flattening a Linked List
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Largest subarray with 0 sum
- Topological sort
- Merge K sorted linked lists
- Find the number of islands
- Generate IP Addresses
- Dijkstra Algorithm
- Minimum Spanning Tree
- Largest BST
- Count Palindromic Subsequences
- Minimum Swaps to Sort
- Implement Atoi
- Palindrome Linked List
- Strongly Connected
- Rat in a Maze Problem - I
- Bipartite Graph
- Pots of Gold Game
- Longest Palindrome in Linked List
- Bridge edge in a graph
- Top View of Binary Tree
- k-th Smallest in BST
- Polynomial Addition
- Delete nodes greater than k
- Complete Binary Tree
- Populate Inorder Successor for all nodes
- Counting elements in two arrays
- Foldable Binary Tree
- Construct Tree from Inorder & Preorder
- Predecessor and Successor
- ZigZag Tree Traversal
- Count Number of SubTrees having given Sum
- Swap Kth nodes from ends
- Maximum sum of Non-adjacent nodes
- Ceil in BST
- Possible Words From Phone Digits
- Kadane's Algorithm
- Count Inversions
- Indexes of Subarray Sum
- Distance of nearest cell having 1
- Unit Area of largest region of 1's
- Longest Consecutive Subsequence
- Case-specific Sorting of Strings
- Stock span problem
- K Sized Subarray Maximum
- Nearly sorted
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Black and White
- Unique Subsets
- M-Coloring Problem
- Stickler Thief
- Egg Dropping Puzzle
- Optimal Strategy For A Game
- Number of Unique Paths
- Preorder to BST
- X Total Shapes
- Find whether path exist
- Steps by Knight
- Count subsequences of type a^i, b^j, c^k
- Container With Most Water
- Print Anagrams Together
- Rotate by 90 degree
- Generate Parentheses
- Prerequisite Tasks
- 4 Sum - All Quadruples
- Excel Sheet | Part - 1
- Sort 0s, 1s and 2s
- Equivalent Sub-Arrays
- Count of Subarrays
- Smallest factorial number
- Maximize The Array
- Alternate Vowel and Consonant String
- Super Primes
- Longest subarray with sum divisible by K
- Column name from a given column number
- Form a palindrome
- Nuts and Bolts Problem
- Longest Subarray with Sum K
- Transform String
- Number of positive integral solutions
- Sum of two large numbers
- Remove leading zeros from an IP address
- Magnet Array Problem
- Smallest distinct window
- K-th element of two Arrays
- String formation from substring
- Longest Arithmetic Subsequence
- Maximize the sum of selected numbers from a sorted array to make it empty
- Smallest Absolute Difference
- Build the smallest
- First and Last Occurrences
- Reaching the heights
- Next higher palindromic number using the same set of digits
- Smaller on Left
- A difference of values and indexes
- Maximum Product of Increasing Subsequence of Size 3
- Find patterns
- Number following a pattern
- Previous number in one swap
- Friends Pairing Problem
- Lexicographically smallest string
- Subarrays Product Less than K
- Max Sum Increasing Subsequence
- Power Of 2 and Subsequences
- Firing employees
- Power Set
- Subsets with XOR value
- Minimum steps to destination
- Partition Equal Subset Sum
- XOR Game
- Longest Bitonic subsequence
- Min Coin
- Handshakes
- Count possible ways to construct buildings
- Count digit groupings of a number
- Probability of Knight
- Array Pair Sum Divisibility Problem
- Magic Triplets
- Brain Game
- Fill up buckets
- Killing Spree
- Subset Sums
- Unique partitions
- Fill the Tank
- Akku and Binary Numbers
- Knight Walk
- Stepping Numbers
- Permutation with Spaces
- Choose and Swap
- LCM Triplet
- Return two prime numbers
- Fact Digit Sum
- Find Prime numbers in a range
- Jumping Numbers
- Party in Town
- Grouping Of Numbers
- Find the Safe Position
- Next Permutation
- Smaller on Left
- Geek and knots
- Filling Bucket
- Matrix Exponentiation
- Composite and Prime
- Finding Profession
- Total Decoding Messages
- Maximum Sub-String after at most K changes
- Villain Con
- Print leaf nodes from preorder traversal of BST
- Tricky Subset Problem
- Longest Perfect Piece
- Rat Maze With Multiple Jumps
- Geek and Strings
- Pairs of Non Coinciding Points
- The Smurfs
- Satisfy the equation
- 7 Segment Display
- Product of Primes
- Eulerian Path in an Undirected Graph
- nCr mod M | Part 2
- Two numbers with odd occurrences
- Find all distinct subset (or subsequence) sums
- Check Mirror in N-ary tree
- Queries on Strings
- Special Matrix
- Queries on a Matrix
- Broken blocks
- Express as sum of power of natural numbers
- Shortest Uncommon Subsequence
- Nodes at even distance
- Biconnected Graph
- Help a Thief!!!
- Count the paths
- Floyd Warshall
- Negative weight cycle
- Form coils in a matrix
- Base Equivalence
- Maximum sum Rectangle
- Shortest Path between Cities
- Moving on grid
- Height Using Parent Array
- Reverse Spiral Form of Matrix
- Geek and Number String
- Save Your Life
- Hamiltonian Path
- Recursively Remove Adjacent Duplicates
- Theft at World Bank
- Airline Problem
- Coins of Geekland
- Transfiguration
- Spidey Sense
- Escape the Forbidden Forest
- Jump Game
- Iterative Postorder
- Subset Sum Problem
- Form a palindrome
- Bellman-Ford
- Partition a Linked List around a given value
- Capacity To Ship Packages Within D Days
- Coin Piles
- Substrings of length k with k-1 distinct elements
- Count pairs in array divisible by K
- Number of Provinces
- Binary Matrix with at most K 1s
- Maximum sum leaf to root path
- Maximum GCD of siblings of a binary tree
- Single valued subtree
- BST to max heap
- BST to greater sum tree
- Find rectangle with corners as 1
- Cousins of a given node
- Insertion Sort for Singly Linked List
- Subsets
- Flatten binary tree to linked list
- Rank The Permutations
- IPL 2021 - Match Day 2
- Course Schedule
- Find and Replace in String
- Minimum times A has to be repeated such that B is a substring of it
- Bitwise AND of the Array
- Maximum number of events that can be attended
- Longest Possible Route in a Matrix with Hurdles
- Farthest number
- Maximum product subset of an array
- Robots
- Hit most Balloons
- Concatenate Equal to Target
- Exactly one swap
- Maximum Winning score
- Compute Before Matrix
- Levels Of Game
- Smallest sum contiguous subarray
- Array Removals
- Minimum Cost to cut a board into squares
- Stack Permutations
- Largest subtree sum in a tree
- Wine Buying and Selling
- Replace every element with the least greater element on its right
- Special Keyboard 2
- Maximum selections
- LCP
- Next element with greater frequency
- Sum of nodes within k distance from target
- Minimum increment/decrement to make array non-Increasing
- Minimum Swaps
- Check if all levels of two trees are anagrams or not
- Largest Subtree With all 1's
- LCA of 3 nodes
- Remove and Reverse
- Number of Distinct Islands
- Shortest Distance in a Binary Maze
- Minimum time to empty the array
- Rectangles and Squares
- Yet Another Minimization Problem
- Process Dependencies
- Non-Negative Tree
- Alex Travelling
- Number Of Islands
- Merging Details
- Palindrome with minimum sum
- minimum days
- Maximum Multiple
- Number of good components
- Number of Ways to Arrive at Destination
- Volcano
- Common String
- Remove the balls
- Sum of Beauty of All Substrings
- Prefix Suffix String
- Sum up the beauty
- Good Stones
- Collect Maximum Oranges
- Asteroid Collision
- Water Problem
- Aggressive Cows
- Good Subtrees
- BST Maximum Difference
- Array Size
- Possible Path
- Minimum Time
- Minimum Moves
- Minimize number of Students to be removed
- Maximum Value
- Shortest Prime Path
- Good Subarrays
- Optimal Moves
- Find minimum number of Laptops required
- Minimum Operations
- Trees and Arrays
- Colorful Numbers
- Most and Least Tasty
- Find the longest string
- Paint N House
- Max Sum without Adjacents
- Intersection Point in Y Shaped Linked Lists
- Minimum Days
- Walls Coloring
- Magical Subarrays
- Equal Grouping
- Will Students Pass?
- Optimal Array
- Good Stones
- Knight in Geekland
- Count Special Numbers
- Minimum Steps Required
- Save Flowers
- Make Array Beautiful
- Distribute Chocolates
- Maximum Triplet product
- Second smallest number
- Remove the balls
- Fest and Posters
- Geek and the XOR Play
- BST Maximum Difference
- Minimize Computers
- Add Minimum Characters
- Destroy the garden
- Total pairs
- LCA Pairs
- Plucking Flowers
- Shortest Subarray with Sum K
- Reverse a linked list
- Delete N nodes after M nodes of a linked list
- Right View of Binary Tree
- Mirror Tree
- Delete without head pointer
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Left View of Binary Tree
- Transform to Sum Tree
- Queue using two Stacks
- Reverse Level Order Traversal
- DFS of Graph
- BFS of graph
- Identical Trees
- Run Length Encoding
- Largest subarray of 0's and 1's
- BST Keys in a Range
- Leaves at Same Level or Not
- Josephus problem
- Array Duplicates
- Level order traversal
- Disjoint set (Union-Find)
- Reverse Using Stack
- Next Right Node
- Find length of Loop
- Move all zeros to the front of the linked list
- Get min at pop
- Array Leaders
- Minimum Number in a sorted rotated array
- Winner of an election
- Reverse Words
- Minimum Cost of ropes
- N meetings in one room
- Largest number with given sum
- Union-Find
- Count ways to N'th Stair
- Missing And Repeating
- Sort by Set Bit Count
- Sum of elements between k1'th and k2'th smallest elements
- Search in a Row-Column sorted matrix
- Min sum formed by digits
- Amend The Sentence
- Alternate Positive Negative
- Longest Common Prefix of Strings
- Counts Zeros Xor Pairs
- Hungry Pizza Lovers
- Maximum sum of increasing order elements from n arrays
- Merge two binary Max heaps
- Maximum average subarray
- Smallest greater elements in whole array
- Fitting The Array
- Balanced string
- Shop in Candy Store
- Partition a number into two divisible parts
- Adding Array Elements
- Change Bits
- The Bit Game
- Swap bits
- Minimum number of Coins
- Nth item through sum
- Smallest number with sum of digits as N and divisible by 10^N
- Squares in N*N Chessboard
- Tom and Jerry
- Help Ishaan
- Sequence Fun
- Overlapping rectangles
- Print the pattern
- Chicks in a Zoo
- Maximum Sum LCM
- K-Ary Tree
- Earthquake and the Paint Shop
- Array to BST
- Count all possible paths from top left to bottom right
- Ball coloring
- Rearrange Geek and his Classmates
- Fraction Trouble
- Sum of k smallest elements in BST
- Print Diagonally
- Gadgets of Doraland
- Sum of two numbers without using arithmetic operators
- Even and Odd
- Search insert position of K in a sorted array
- Largest value in each level
- Maximum number of 2X2 squares
- Minimum Swaps
- License Key Formatting
- Find all possible paths from top to bottom
- Smallest Subset with Greater Sum
- Minimum Sum of Absolute Differences of Pairs
- Smallest window containing 0, 1 and 2
- Move Last Element to Front of a Linked List
- Can Make Triangle
- Matrix Operations
- Find pairs with given sum in doubly linked list
- Triangle and Square
- Same characters
- Sorted array
- Subsequence Mex
- Again Permutation
- Balloon Everywhere
- String Matching
- Problem Setting at GFG
- Assign Tasks
- Maximum Number
- Complete the Staircase
- Maximum Frequency
- Maximum Identical Bowls
- Book Game
- Make array Palindrom
- Distinct Difference
- Even subarray sum
- Reverse both parts
- Police Station
- Count the Substrings
- Kth Mex
- Make the array beautiful
- Taxi Booking
- Bus Conductor
- Farthest number
- Minimum Number
- Make sum even
- Add and Subtract
- Find the number of Matchsticks
- Refueling
- Geek left with No Food
- Bots on social media
- Array Operations
- Is it Fibonacci
- All Numbers
- Geek & Geekina Purchasing Ice Cream
- High Frequency
- Good tree
- Toggle
- Min Jump
- Range OR
- Mex Array
- Occurrences of 101
- Max Level Sum in Binary Tree
- Number of Subarrays of 0's
- Maximize Sum
- Maximum Happiness
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