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amarsingh07
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Language Used
C++, Java
Coding Score
2223
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646
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142 points
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142 points
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SCHOOL (2)
BASIC (39)
EASY (197)
MEDIUM (342)
HARD (66)
- Sorting Elements of an Array by Frequency
- Finding the Coolest
- Sort a linked list of 0s, 1s and 2s
- Quick Sort
- Bottom View of Binary Tree
- Heap Sort
- Diagonal Tree Traversal
- Delete a node from BST
- Directed Graph Cycle
- Undirected Graph Cycle
- Absolute List Sorting
- Two Stacks in an Array
- Largest subarray with 0 sum
- Topological sort
- Find the number of islands
- Find kth element of spiral matrix
- Generate IP Addresses
- Kth element in Matrix
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Interleaved Strings
- Count Palindromic Subsequences
- Multiply two strings
- Implement Atoi
- Palindrome Linked List
- Rat in a Maze Problem - I
- Bipartite Graph
- Closest in BST
- Find triplets with zero sum
- Sort a stack
- Top View of Binary Tree
- k-th Smallest in BST
- Union of Two Linked Lists
- Populate Inorder Successor for all nodes
- Counting elements in two arrays
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Isomorphic Trees
- Predecessor and Successor
- Largest Independent Set Problem
- Kth Ancestor in a Tree
- Count Number of SubTrees having given Sum
- Mother Vertex
- Count total set bits
- Smallest Positive Missing
- Power Of Numbers
- Possible Words From Phone Digits
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Stock buy and sell
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Merge Without Extra Space
- Make Matrix Beautiful
- Distance of nearest cell having 1
- Longest Consecutive Subsequence
- Case-specific Sorting of Strings
- K Sized Subarray Maximum
- Activity Selection
- Job Sequencing Problem
- Largest number in K swaps
- Black and White
- Combination Sum
- M-Coloring Problem
- Minimum Jumps
- Stickler Thief
- Egg Dropping Puzzle
- Optimal Strategy For A Game
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Allocate Minimum Pages
- Zero Sum Subarrays
- Kth Smallest
- Implement Trie
- Nth Catalan Number
- Rotten Oranges
- Steps by Knight
- Maximize The Cut Segments
- Container With Most Water
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- Generate Parentheses
- Word Search
- Prerequisite Tasks
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Complement
- Maximum Sub Array
- Pascal Triangle
- Maximum Index
- Flip Bits
- Maximize Number of 1's
- Single Among Doubles in a Sorted
- Consecutive 1's not allowed
- Count of Subarrays
- Single Among Doubles
- Painting the Fence
- Count Full Binary Trees
- Max Score from Subarray Mins
- Form the Largest Number
- Alternate Vowel and Consonant String
- Add Binary Strings
- Maximum Product Subarray
- Row with max 1s
- Nuts and Bolts Problem
- Longest Subarray with Sum K
- Count the Reversals
- Cutting Binary String
- 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
- Rod Cutting
- Minimum swaps and K together
- Maximize the sum of selected numbers from a sorted array to make it empty
- LCS of three strings
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- Maximum difference of zeros and ones in binary string
- Minimum sum
- Build the smallest
- First and Last Occurrences
- A difference of values and indexes
- Find patterns
- Permutations of a String
- Friends Pairing Problem
- CamelCase Pattern Matching
- Lexicographically smallest string
- Subarrays Product Less than K
- Unique Number II
- Largest prime factor
- 3 Divisors
- Max Sum Increasing Subsequence
- Minimum cost to fill given weight in a bag
- Coin Change (Count Ways)
- Santa Banta
- Sieve of Eratosthenes
- Gold Mine Problem
- Perfect Sum Problem
- Power Of 2 and Subsequences
- Shreyansh and his bits
- Longest subsequence-1
- Power Set
- Knapsack with Duplicate Items
- nCr
- Subsets with XOR value
- Geek and its Game of Coins
- Maximum path sum in matrix
- Minimum steps to destination
- Partition Equal Subset Sum
- Longest Bitonic subsequence
- Array Pair Sum Divisibility Problem
- Magic Triplets
- Fill up buckets
- Matchsticks game
- Subset Sums
- Unique partitions
- Akku and Binary Numbers
- Number of paths
- Stepping Numbers
- LCM Triplet
- Jumping Numbers
- A Game of LCM
- Count even length
- Grouping Of Numbers
- Find the Safe Position
- Next Permutation
- Missing number in matrix
- Smaller on Left
- Filling Bucket
- Longest Repeating Subsequence
- Longest alternating subsequence
- Composite and Prime
- Decode the string
- Is Sudoku Valid
- Total Decoding Messages
- Stream First Non-repeating
- Maximum Sub-String after at most K changes
- 2D Hopscotch
- Possible paths
- Print leaf nodes from preorder traversal of BST
- Largest square formed in a matrix
- Longest Perfect Piece
- Geek and Strings
- The Smurfs
- Satisfy the equation
- Replace O's with X's
- Two numbers with odd occurrences
- Find all distinct subset (or subsequence) sums
- Queries on a Matrix
- Express as sum of power of natural numbers
- Find the string in grid
- Floyd Warshall
- Shortest Source to Destination Path
- Base Equivalence
- Maximum sum Rectangle
- Reverse Spiral Form of Matrix
- Geek and Number String
- Save Your Life
- Hamiltonian Path
- Spiral Matrix
- Valentine Sum
- Lucy's Neighbours
- All Palindromic Partitions
- 3 Sum Closest
- Capacity To Ship Packages Within D Days
- Substrings of length k with k-1 distinct elements
- Number of Provinces
- Prefix match with other strings
- Single valued subtree
- BST to max heap
- Division without using multiplication, division and mod operator
- Flatten binary tree to linked list
- IPL 2021 - Match Day 2
- Course Schedule
- Overlapping Intervals
- Remove and Reverse
- Longest Possible Route in a Matrix with Hurdles
- Find k-th smallest element in given n ranges
- Even Swap
- Reverse a Stack
- Enemy
- Max Equal sum of 3 Stacks
- Smallest sum contiguous subarray
- Array Removals
- Minimum Cost to cut a board into squares
- Stack Permutations
- Largest subtree sum in a tree
- Assembly Line Scheduling
- Wine Buying and Selling
- Replace every element with the least greater element on its right
- Minimum Swaps
- Construct Binary Tree from String with bracket representation
- Check if all levels of two trees are anagrams or not
- Number of Distinct Islands
- Shortest Distance in a Binary Maze
- Minimum Multiplications to reach End
- Alex Travelling
- Number Of Islands
- Merging Details
- Geekland Colosseum
- Number of Ways to Arrive at Destination
- Pattern
- Shortest path in Directed Acyclic Graph
- Majority Element II
- Sum of Beauty of All Substrings
- Koko Eating Bananas
- Search in Rotated Array 2
- Asteroid Collision
- Combination Sum III
- Aggressive Cows
- Smallest Divisor
- Subset II
- Combination Sum II
- Minimum days to make M bouquets
- Task Scheduler
- Hands of Straights
- Lemonade Change
- GCD Array
- Minimize number of Students to be removed
- Maximum Value
- Shortest Prime Path
- Flattening a Linked List
- Absolute difference divisible by K
- Make array elements unique
- Next Greater Element in Circular Array
- Carpet into Box
- Minimum X (xor) A
- Find minimum number of Laptops required
- Geeks And The String
- Find the longest string
- Maximum Profit By Choosing A Subset Of Intervals
- Minimum repeat to make substring
- Paint N House
- Max Sum without Adjacents
- Intersection Point in Y Shaped Linked Lists
- BST Downward Traversal
- Length of the longest subarray with positive product
- Count number of free cell
- Maximum Bipartite Matching
- Minimum Days
- Prime List
- Walls Coloring
- Geeks Island
- Apple Sequences
- Connect Nodes at Same Level
- Unique Paths in a Grid
- Valid Compressed String
- Fill the Matrix
- Number of Good Components
- Optimal Array
- Best Node
- Update Queries
- Good Stones
- Maximum Intersecting Lines
- String rp or pr
- Knight in Geekland
- Shy Geek
- Count Special Numbers
- Minimum Steps Required
- Count Cyclic Paths
- Maximum Triplet product
- Second smallest number
- Special Palindrome Substrings
- Maximum Possible Value
- Distinct Difference
- Anagrams in Linked List
- Yet another query problem
- Geek hates too many 1s
- Maximum Length
- Remove the balls
- Unequal Arrays
- Job Sequencing Problem
- Bheem Wants Ladoos
- Prefix Suffix String
- Smaller Sum
- Shortest XY distance in Grid
- BST Maximum Difference
- Nearest smaller tower
- Another Coin Change Problem
- Geek's Village and Wells
- Find Number
- Max Coins
- Good Subtrees
- Subtree In N-ary Tree
- Easy Task
- Add Minimum Characters
- Maximum subset sum
- Palindrome with minimum sum
- Count Total Setbits
- Tree Transformation
- Construct a Full Binary Tree
- Modify Linked List-1
- Find Kth permutation
- Fraction pairs with sum 1
- Geek-onacci Number
- Class Test
- Nearest Zero
- Reverse a linked list
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Reverse a Doubly Linked List
- Check for BST
- Right View of Binary Tree
- Mirror Tree
- Height of Binary Tree
- Kth from End of Linked List
- Left View of Binary Tree
- Intersection Sorted Linked Lists
- Remove Duplicates from a Sorted Linked List
- Level Order in spiral form
- DFS of Graph
- BFS of graph
- Square Root
- Lowest Common Ancestor in a BST
- Binary Search
- Remove Duplicates Sorted Array
- Binary Tree to BST
- Unique rows in boolean matrix
- Delete in a Singly Linked List
- Kth largest element in BST
- Inorder Successor in BST
- Next Right Node
- Median of BST
- Leaf under budget
- Queue Reversal
- Delete Mid of a Stack
- Frequency in Queue
- Frequency Game
- Longest Consecutive 1's
- Power of 2
- Swap all odd and even bits
- Wave Array
- Frequencies in a Limited Array
- Array Leaders
- Floor in a Sorted Array
- Print adjacency list
- Transpose of Matrix
- Rotate by 90 degree
- Anagram
- Strings Rotations of Each Other
- Isomorphic Strings
- Reverse Words
- Non Repeating Character
- Parenthesis Checker
- Minimum Cost of ropes
- Reach a given score
- Check Equal Arrays
- Product array puzzle
- Roman Number to Integer
- Max Value Permutation
- Missing And Repeating
- Find Kth Rotation
- Adding Ones
- Pairs with certain difference
- Sorted and Rotated Minimum
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- Missing number
- Chocolate Distribution Problem
- Find Pair Given Difference
- Alternate Positive Negative
- Second Largest
- Find all pairs with a given sum
- Number of occurrence
- Reversing the equation
- Does array represent Heap
- Longest common prefix
- Convert an array to reduced form
- Check if array is sorted
- Longest Common Prefix of Strings
- First Repeated Character
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- At Least K Occurrences
- Count the Zeros
- Four Elements
- Palindrome String
- Fitting The Array
- K-th missing element
- Balanced string
- Is Binary Number Multiple of 3
- Number of 1 Bits
- Armstrong Numbers
- Reverse Bits
- Nth Fibonacci Number
- Ceil The Floor
- Copy Set Bits in Range
- Count Digits
- Sum 1 to n Divisors
- The Bit Game
- Minimum number of Coins
- Number Of Open Doors
- Break a number
- Smallest number with sum of digits as N and divisible by 10^N
- Factorials Less than or Equal to n
- Good Numbers
- Form a number divisible by 3 using array digits
- Least Prime Factor
- Sum of First N Natural Numbers
- BBT counter
- Find nth root of m
- Prime Factors
- Circular Prime Number
- Tom and Jerry
- Maximum Diamonds
- Arithmetic Number
- Row with Minimum 1s
- Surround the 1's
- Help Ishaan
- Trace Path
- Sequence Fun
- Primes sum
- Print the pattern
- Chicks in a Zoo
- Maximum Sum LCM
- Check if it is possible to convert one string into another with given constraints
- Minimum Exchange
- Earthquake and the Paint Shop
- Array to BST
- Count all possible paths from top left to bottom right
- Ball coloring
- Modified Numbers and Queries
- Sum of k smallest elements in BST
- Print Diagonally
- Search insert position of K in a sorted array
- Maximum number of 2X2 squares
- License Key Formatting
- Count the Substrings
- Smallest Subset with Greater Sum
- Minimum Sum of Absolute Differences of Pairs
- Move Last Element to Front of a Linked List
- Find pairs with given sum in doubly linked list
- Subsequence Mex
- Again Permutation
- Police Station
- Pattern 2
- Pattern 3
- Pattern 4
- Pattern 14
- Pattern 15
- Pattern 16
- Pattern 17
- Pattern 18
- Pattern 20
- Pattern 21
- Print N to 1 without loop
- Print GFG n times
- Pattern 12
- Pattern 22
- Outermost Parentheses
- Maximum Depth Of Binary Tree
- Graph and Vertices
- Minimize the sum
- Last modified ball
- Transform to Sum Tree
- Parent of Max GCD Siblings in a Binary Tree
- Find the first node of loop in linked list
- Maximum Weight Node
- Type it!
- Min operations
- Last cell in a Matrix
- Balloon Everywhere
- Reverse both parts
- Cutting Rectangles
- Frogs and Jumps
- Make Array Elements Equal
- Equal Left and Right Subarray Sum
- Make the array beautiful
- Remainder on dividing by 11
- Is it Fibonacci
- Taxi Booking
- Max Level Sum in Binary Tree
- Binary matrix having maximum number of 1s
- Number of Subarrays of 0's
- Maximum Identical Bowls
- Bus Conductor
- Wifi Range
- Minimum Number
- Minimum Integer
- Seating Arrangement
- String Mirror
- Powerfull Integer
- Make Palindrome
- Binary Modulo
- Total Cuts
- Bit Magic
- Array Operations
- Dominant Pairs
- Total Traversal Time
- Ticket Counter
- Unique Number of Occurrences
- Linked List Group Reverse
- Reorder List
- Binary Tree to DLL
- Partition array to k subsets
- Alien Dictionary
- AVL Tree Deletion
- String Permutations
- Trapping Rain Water
- Max of min for every window size
- Solve the Sudoku
- Median of 2 Sorted Arrays of Different Sizes
- Next Smallest Palindrome
- Edit Distance
- Minimum sum partition
- Number Formation
- Palindromic Partitioning
- Next Happy Number
- Stock Buy and Sell – Max K Transactions Allowed
- Matrix Chain Multiplication
- Median in a row-wise sorted Matrix
- Boolean Parenthesization
- Word Break - 2
- N-Queen Problem
- Phone directory
- Word Wrap
- Shortest Range In BST
- Maximum XOR subarray
- Count occurrences of a given word in a 2-d array
- Word Ladder II
- Shortest Unique prefix for every word
- Split Array Largest Sum
- Find number of closed islands
- Scrambled String
- Shortest Path by Removing K walls
- Count the number of subarrays
- Maximum Number of Toys
- Articulation Point - I
- Stock Buy and Sell – Max 2 Transactions Allowed
- Min Chars to Add for Palindrome
- Largest rectangular sub-matrix whose sum is 0
- Minimum time to fulfil all orders
- Expression Add Operators
- MaxSkill
- Minimize Max Distance to Gas Station
- Count Reverse Pairs
- Better String
- Count Lucky Permutations
- Count the Substring
- Select Nodes
- Largest Sum Cycle
- Fixing Two swapped nodes of a BST
- Shortest Path Using Atmost One Curved Edge
- Avoid Explosion
- Walls Coloring II
- Redundant Parenthesis
- Partition the Array
- Count Binary Strings With No Consecutive 1s
- Divide in Incremental Groups
- Max min Height
- Maximum Number of coins
- Median of the Subarrays
- Minimum BST Sum Subtree
- Special Digits
- Cake Distribution Problem
- Min Time
- Game Of Subsets
- Sort String
- Count Linked List Nodes
- C++ STL | Set 1 (vector)
- Sum Except First and Last
- Peak element
- Linked List Insertion At End
- Sort and Reverse Vector
- Bit Difference
- Print 1 To N Without Loop
- Reverse array in groups
- Sorted Array Search
- Reverse a String
- First n Fibonacci
- Check if divisible by 11
- Remove all characters other than alphabets
- Value equal to index value
- Immediate Smaller Element
- Quick Left Rotation
- Largest Element in Array
- Game with nos
- Array Subset
- Rotating an Array
- Min and Max in Array
- Find position of set bit
- LCM And GCD
- House Robber
- Prime Number
- Sum of first n terms
- Matching Pair
- Repetitive Addition Of Digits
- Sum of product of x and y with floor(n/x) = y
- Max Min
- Pattern 1
- Pattern 5
- Pattern 6
- Pattern 8
- Pattern 10
- Pattern 11
- Pattern 13
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