gautamgoel962
STREAK
179/1470
days
Longest streak/Global longest streak
Language Used
C++, C, Java, Python
Coding Score
2001
Problem Solved
588
Contest Rating
__
Campus Mantri
piyushmittal_pm_1015 points
Contributor
1015 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 (0)
BASIC (21)
EASY (186)
MEDIUM (322)
HARD (59)
- Rearrange characters
- Minimum sum of subarray
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Add 1 to a Linked List Number
- Detect Loop in linked list
- QuickSort on Doubly Linked List
- Count BST nodes that lie in a given range
- 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
- Sum Tree
- Connect Nodes of Levels
- Flattening a Linked List
- Diagonal Tree Traversal
- Tree Boundary Traversal
- LCA in Binary Tree
- Two Stacks in an Array
- Binary Heap Operations
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological sort
- Vertical Tree Traversal
- Merge K sorted linked lists
- Find the number of islands
- Find kth element of spiral matrix
- Get Min from Stack
- Gas Station
- Generate IP Addresses
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Largest BST
- Count Palindromic Subsequences
- Multiply two strings
- Minimum Swaps to Sort
- Implement Atoi
- Palindrome Linked List
- Strongly Connected
- Rat in a Maze Problem - I
- Closest in BST
- BST with Dead End
- Pots of Gold Game
- Count distinct elements in every window
- Merge k Sorted Arrays
- Find triplets with zero sum
- Duplicate Subtree
- Top View of Binary Tree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Peak element
- Delete nodes greater than k
- Merge Sort for Linked List
- Union of Two Linked Lists
- Binary Tree to CDLL
- Pair Sum in BST
- Complete Binary Tree
- Counting elements in two arrays
- Linked List that is Sorted Alternatingly
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Construct Tree from Inorder & Preorder
- Isomorphic Trees
- Maximum path sum from any node
- Predecessor and Successor
- Largest Independent Set Problem
- Normal BST to Balanced BST
- Kth Ancestor in a Tree
- ZigZag Tree Traversal
- Mother Vertex
- Ceil in BST
- Smallest Positive Missing
- Power Of Numbers
- Rearrange an array with O(1) extra space
- Stock buy and sell
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Indexes of Subarray Sum
- Triplet Sum in Array
- Merge Without Extra Space
- Level of Nodes
- Make Matrix Beautiful
- Boolean Matrix
- Spirally traversing a matrix
- Unit Area of largest region of 1's
- Subarray with 0 sum
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Case-specific Sorting of Strings
- K Sized Subarray Maximum
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- 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
- Lucky Numbers
- Allocate Minimum Pages
- Preorder to BST
- X Total Shapes
- Zero Sum Subarrays
- Shortest Common Supersequence
- Nth Catalan Number
- Rotten Oranges
- Maximize The Cut Segments
- Top K Frequent in Array
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- Word Search
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Maximum Index
- Flip Bits
- Single Among Doubles in a Sorted
- Single Among Doubles
- Painting the Fence
- Search in Rotated Sorted Array
- Maximum Product Subarray
- Remove minimum elements
- Row with max 1s
- Column name from a given column number
- Palindrome SubStrings
- Longest Subarray with Sum K
- Cutting Binary String
- Sum of two large numbers
- Factorials of large numbers
- Length of the longest substring
- k largest elements
- Sum of XOR of all pairs
- 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
- 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
- Maximum difference of zeros and ones in binary string
- First and Last Occurrences
- Nine Divisors
- Minimum Swaps for Bracket Balancing
- Permutations of a String
- Friends Pairing Problem
- CamelCase Pattern Matching
- Lexicographically smallest string
- Subarrays Product Less than K
- Unique Number II
- Bleak Numbers
- Largest prime factor
- Max Sum Increasing Subsequence
- Minimum cost to fill given weight in a bag
- Coin Change (Count Ways)
- Santa Banta
- Mobile numeric keypad
- Gold Mine Problem
- Perfect Sum Problem
- Smallest number
- Power Of 2 and Subsequences
- Firing employees
- Shreyansh and his bits
- Longest subsequence-1
- Knapsack with Duplicate Items
- nCr
- Maximum path sum in matrix
- Partition Equal Subset Sum
- Longest Bitonic subsequence
- Magic Triplets
- Fill up buckets
- Matchsticks game
- Subset Sums
- Unique partitions
- Knight Walk
- Stepping Numbers
- Choose and Swap
- Find nth root of m
- Fact Digit Sum
- Jumping Numbers
- Grouping Of Numbers
- Find the Safe Position
- Smaller on Left
- Filling Bucket
- Longest Repeating Subsequence
- Longest alternating subsequence
- Decode the string
- Stream First Non-repeating
- Segregate even and odd nodes in a Linked List
- 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
- Transitive closure of a Graph
- Replace O's with X's
- Two odd Occuring
- 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
- Reverse Spiral Form of Matrix
- Geek and Number String
- Save Your Life
- Hamiltonian Path
- Subset Sum Problem
- Longest Palindromic Substring
- Bellman-Ford
- Substrings of length k with k-1 distinct elements
- Prefix match with other strings
- BST to max heap
- Flatten binary tree to linked list
- IPL 2021 - Match Day 2
- Clone an Undirected Graph
- Remove and Reverse
- Find Kth permutation
- 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
- Replace every element with the least greater element on its right
- Minimum Swaps
- Number of Distinct Islands
- Shortest Distance in a Binary Maze
- Minimum Multiplications to reach End
- Eventual Safe States
- Rectangles and Squares
- Number Of Islands
- Merging Details
- Maximum Multiple
- Number of Ways to Arrive at Destination
- Prime List
- Shortest path in Directed Acyclic Graph
- Sum of Beauty of All Substrings
- Aggressive Cows
- Subset II
- Smaller Sum
- Combination Sum II
- Good Subtrees
- Task Scheduler
- Hands of Straights
- Lemonade Change
- Maximum Sum Combination
- Floor in BST
- Count number of free cell
- 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
- Powerful Integer
- 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
- Reverse 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
- Reverse a Doubly Linked List
- Check for BST
- Right View of Binary Tree
- Mirror Tree
- 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
- Remove Duplicates from a Sorted Linked List
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Implement stack using array
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Square Root
- Lowest Common Ancestor in a BST
- Binary Search
- Remove Duplicates Sorted Array
- Binary Tree to BST
- Unique rows in boolean matrix
- Leaves at Same Level or Not
- Multiply two linked lists
- Josephus problem
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Level order traversal
- Inorder Successor in BST
- Insert in a Sorted List
- Symmetric Tree
- Next Right Node
- Count Pairs whose sum is equal to X
- Find length of Loop
- Median of BST
- Leaf under budget
- Queue Reversal
- Delete Mid of a Stack
- Rotate doubly Linked List
- Predict the Column
- Frequency in Queue
- Frequency Game
- Pair Sum Existence
- First Set Bit
- Check K-th Bit
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Matrix Boundary Traversal
- Isomorphic Strings
- Non Repeating Character
- K largest elements
- Minimum Cost of ropes
- N meetings in one room
- Reach a given score
- Product array puzzle
- Roman Number to Integer
- Search an element in sorted and rotated array
- Max Value Permutation
- Missing And Repeating
- Sort by Set Bit Count
- Maximize sum after K negations
- Adding Ones
- Pairs with certain difference
- Common in 3 Sorted Arrays
- Sorted and Rotated Minimum
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- Chocolate Distribution Problem
- Find Pair Given Difference
- Swap and Maximize
- Minimize Difference in Task Priorities
- Bitonic Point
- Smallest subarray with sum greater than x
- Alternate Positive Negative
- Rotate Bits
- Number of occurrence
- Reversing the equation
- String's Count
- Min Number of Flips
- Two sum -Pairs with 0 Sum
- Palindrome String
- Search array with adjacent diff at most k
- Fitting The Array
- Shop in Candy Store
- Is Binary Number Multiple of 3
- Number of 1 Bits
- Nth Fibonacci Number
- Ceil The Floor
- Copy Set Bits in Range
- Sum 1 to n Divisors
- The Bit Game
- Reach the Nth point
- Minimum number of Coins
- Perfect Numbers
- Smallest number with sum of digits as N and divisible by 10^N
- Largest number possible
- Check if it is possible to survive on Island
- Form a number divisible by 3 using array digits
- Least Prime Factor
- Sum of First N Natural Numbers
- BBT counter
- Tom and Jerry
- Maximum Diamonds
- Arithmetic Number
- Surround the 1's
- Help Ishaan
- Trace Path
- Sequence Fun
- Letters Collection
- Primes sum
- Print the pattern
- Chicks in a Zoo
- Maximum Sum LCM
- 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
- 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
- Even subarray sum
- Kth Mex
- Taxi Booking
- Make sum even
- Maximum Depth Of Binary Tree
- Make Palindrome
- Geek left with No Food
- Minimize the sum
- 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
- Make Palindrome
- Binary Modulo
- Total Cuts
- Bit Magic
- Array Operations
- Dominant Pairs
- Total Traversal Time
- Valuable String
- Ticket Counter
- Unique Number of Occurrences
- Linked List Group Reverse
- Binary Tree to DLL
- Clone List with Next and Random
- Alien Dictionary
- Nodes at given distance in binary tree
- Number of Turns in Binary Tree
- String Permutations
- Trapping Rain Water
- Histogram Max Rectangular Area
- Max of min for every window size
- Solve the Sudoku
- Strongly connected component (Tarjans's Algo)
- Median of 2 Sorted Arrays of Different Sizes
- Merge Without Extra Space
- Next Smallest Palindrome
- The Painter's Partition Problem-II
- Number of distinct subsequences
- 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
- Optimal binary search tree
- Maximum sum Rectangle
- Huffman Encoding
- Water Connection Problem
- Number of subsets with product less than k
- Count occurrences of a given word in a 2-d array
- Find number of closed islands
- Articulation Point - I
- Min Chars to Add for Palindrome
- Minimum time to fulfil all orders
- Expression Add Operators
- Count Reverse Pairs
- Better String
- 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
- Making A Large Island
- Queue Using Array
- Sum Except First and Last
- Search a node in BST
- Circular Linked List Traversal
- Array Search
- Sorted Array Search
- Reverse a String
- Value equal to index value
- Immediate Smaller Element
- Repeated Character
- Elements in the Range
- Rotate Array by One
- Game with nos
- One odd Occuring
- Array Subset
- Check set bits
- Set kth bit
- Count Squares
- Middle of Three
- Minimum difference pair
- Max Min
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