S
sonalipatel
STREAK
02/1477
days
Longest streak/Global longest streak
Language Used
C++, Python, Java, C
Coding Score
1148
Problem Solved
449
Contest Rating
__
260 points
Contributor
260 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 (1)
BASIC (51)
EASY (191)
MEDIUM (188)
HARD (18)
- Sorting Elements of an Array by Frequency
- Nearly Sorted Algorithm
- 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
- Detect Loop in linked list
- Insert in Sorted Circular Linked List
- Count BST nodes that lie in a given range
- Merge Sort
- Quick Sort
- Delete without head pointer
- 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
- Flattening a Linked List
- Tree Boundary Traversal
- Delete a node from BST
- LCA in Binary Tree
- Absolute List Sorting
- Two Stacks in an Array
- The Celebrity Problem
- Largest subarray with 0 sum
- Merge K sorted linked lists
- Max sum in the configuration
- Get Min from Stack
- Gas Station
- Check if subtree
- Is Binary Tree Heap
- Clone a Binary Tree
- Remove loop in Linked List
- Sum of permutations
- Multiply two strings
- Minimum Swaps to Sort
- Implement Atoi
- Maximum Difference
- Palindrome Linked List
- Max sum subarray by removing at most one element
- Closest in BST
- Delete keys in a Linked list
- Count distinct elements in every window
- Merge k Sorted Arrays
- Find triplets with zero sum
- Sort a stack
- Find the missing no in string
- k-th Smallest in BST
- Level order traversal
- Peak element
- Ancestors in Binary Tree
- Binary Tree to CDLL
- Root to Leaf Paths
- pth common ancestor in BST
- Sum of nodes on the longest path
- Check if two Nodes are Cousins
- Convert Level Order Traversal to BST
- ZigZag Tree Traversal
- C++ Friend function
- C++ Generic sort
- Count set bits
- Reverse array in groups
- Smallest Positive Missing
- 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
- Count Inversions
- Smallest Positive missing number
- Indexes of Subarray Sum
- Count the number of possible triangles
- Triplet Sum in Array
- Boolean Matrix
- Subarray with 0 sum
- Subarrays with equal 1s and 0s
- Sort Elements by Decreasing Frequency
- Longest Consecutive Subsequence
- Case-specific Sorting of Strings
- Stock span problem
- Next Greater Element
- Kth smallest element
- Minimum Platforms
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Lucky Numbers
- Sort according to an Array
- Allocate Minimum Pages
- Zero Sum Subarrays
- Kth Smallest
- Shortest Common Supersequence
- Lazy Kid
- Container With Most Water
- Top K Frequent in Array
- 4 Sum - All Quadruples
- Mandatory Flip Bit
- Police and Thieves
- Sort 0s, 1s and 2s
- Paths to reach origin
- Maximum Index
- Equal Sum
- Consecutive 1's not allowed
- Count of Subarrays
- Pythagorean Triplet
- Mr Modulo and Pairs
- Pair Sum Closest to 0
- Sum of bit differences
- Maximum Intervals Overlap
- Form the Largest Number
- Marks of PCM
- Water Collection
- Swapping pairs make sum equal
- Check if frequencies can be equal
- Design a tiny URL or URL shortener
- Form a palindrome
- Nuts and Bolts Problem
- Rotate a Matrix
- Longest Subarray with Sum K
- Sum of two large numbers
- The Fibonacci-prime number
- The Tiny Miny
- Magnet Array Problem
- Longest Common Substring
- Smallest distinct window
- Longest substring with distinct characters
- Longest Substring with K Uniques
- Pass the semester
- String formation from substring
- Rod Cutting
- Greater tower sum
- Number of pairs
- Longest Palindromic Subsequence
- Palindrome in Alphanumeric String
- Smaller on Left
- Minimum Deletions
- Number following a pattern
- Subsequence matching
- Find largest word in dictionary
- Subarrays Product Less than K
- Bleak Numbers
- Modular Exponentiation
- Largest prime factor
- Maximum Tip Calculator
- Minimum number of deletions and insertions
- Coin Change (Count Ways)
- Sieve of Eratosthenes
- Coin Change (Minimum Coins)
- Firing employees
- Knapsack with Duplicate Items
- Special Keyboard
- Handshakes
- Array Pair Sum Divisibility Problem
- Matchsticks game
- Prime Pair with Target Sum
- Count Numbers in Range
- Number of paths
- Sisters and coins
- Nth Natural Number
- Pasha and Primes
- Return two prime numbers
- Find nth root of m
- Find Prime numbers in a range
- Count Divisors of Factorial
- Fraction to Repeating Decimal
- Find the Safe Position
- Smith Number
- Next Permutation
- Prime factorization and geek number
- How Many X's?
- Composite and Prime
- Finding Profession
- Stream First Non-repeating
- Count Divisors
- Snake and Ladder Problem
- Pairs of Non Coinciding Points
- Replace O's with X's
- Mail System Design
- Cost of Sweets
- Express as sum of power of natural numbers
- Flood fill Algorithm
- Recursively Remove Adjacent Duplicates
- Jump Game
- M and N
- Geek and his Marks
- Geek and New Job
- 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
- Node at a given index in linked list
- Linked list of strings forms a palindrome
- Compare two linked lists
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Split a Linked List into two halves
- Inorder Traversal
- Reverse a Doubly Linked List
- Insertion Sort
- Check for BST
- 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
- Delete Middle of Linked List
- Decimal Equivalent of Binary 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
- Stack using Linked List
- Implement stack using array
- Identical Trees
- Square Root
- Insertion at doubly linked list
- Lowest Common Ancestor in a BST
- Binary Search
- Largest subarray of 0's and 1's
- Remove Duplicates Sorted Array
- Minimum Depth of a Binary Tree
- Equilibrium index of an array
- Remove every k'th node
- Leaves at Same Level or Not
- Convert to Roman No
- Match specific pattern
- Multiply two linked lists
- Josephus problem
- Expression Tree
- Max distance between same elements
- Count Occurrence of digit k
- Generate Grey Code Sequences
- Delete in a Singly Linked List
- Kth largest element in BST
- Array Duplicates
- Max Level Sum in Binary Tree
- Special Stack
- Three way partitioning
- Index of an Extra Element
- Convert Ternary Expression to Binary Tree
- Intersection of Two Linked Lists
- Split Linked List Alternatingly
- Play with an array
- Counting Sort
- Perfect Binary Tree
- Reverse Using Stack
- XOR of a given range
- Symmetric Tree
- Delete Alternate Nodes
- Merge Lists Alternatingly
- Find the Sum of Last N nodes of the Linked List
- Count Pairs whose sum is equal to X
- Find length of Loop
- Maximum Pairwise Computed Value
- 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
- Sum of Leaf Nodes at Min Level
- Tilt of Binary Tree
- Delete Mid of a Stack
- Swap the array elements
- Matrix Interchange - Java
- Java ArrayList Operation
- Reverse an Array
- Frequency in Queue
- Frequency Game
- Digits In Factorial
- GP Term
- Primality Test
- Exactly 3 Divisors
- Modular Inverse
- Swap odd and even bits
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Roof Top
- Check if a string is Isogram or not
- Anagram
- Winner of an election
- String Rotated by 2 Places
- Most Frequent Character
- The Modified String
- Reverse Words
- Minimum indexed character
- Panagram Checking
- Non Repeating Character
- Parenthesis Checker
- Minimum indexed character
- Minimum Cost of ropes
- First Repeating Element
- Check Equal Arrays
- Numbers containing 1, 2 and 3
- Find Immediate Smaller Than X
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Intersection of Arrays with Distinct
- Perfect Pair Sum
- Missing And Repeating
- Number of pairs with maximum sum
- Professor and Parties
- Pairs which are Divisible by 4
- Adding Ones
- Common in 3 Sorted Arrays
- Good Pairs
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- Minimize the sum of product
- Chocolate Distribution Problem
- Count the triplets
- Finding Number
- Drive the car
- Bitonic Point
- Count increasing Subarrays
- Largest Even Number
- Remaining String
- Remove Duplicates
- Sorting Employees
- Two Sum - Pair with Given Sum
- Second most repeated string in a sequence
- Check if array contains contiguous integers
- Find all pairs with a given sum
- Convert an array to reduced form
- Find missing in second array
- Longest Common Prefix of Strings
- Counts Zeros Xor Pairs
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Three Great Candidates
- At Least K Occurrences
- Element with left side smaller and right side greater
- Ishaan and Sticks
- Find the closest pair from two arrays
- Count the Zeros
- Four Elements
- Print Bracket Number
- Odd Even Problem
- Love For The Twins
- Pairs with Positive Negative values
- Reverse Bits
- Number Of Open Doors
- Maximum height of the staircase
- Kth Prime Factor
- Maximize Toys
- Recamans sequence
- Find (a^b)%m
- Squares in N*N Chessboard
- Trailing zeroes in factorial
- Form a number divisible by 3 using array digits
- Least Prime Factor
- Sphenic Number
- Arithmetic Number
- Make Zeroes
- Next Prime Palindrome
- Collection of pens
- Prime number of set bits
- Inorder Traversal and BST
- Print Pattern
- Binary Tree K level sum
- Shortest distance in infinite tree
- Print Diagonally
- Plus One
- Geek and Snow Fighting
- Rotate Array
- Print Linked List
- Find Length of Linked List
- Check for Binary String
- Size of Binary Tree
- Count Leaves in Binary Tree
- Postorder Traversal
- Queue using Linked List
- Queue Using Array
- Replace all 0's with 5
- Preorder Traversal
- First Occurence
- Smallest divisible number
- Linked List Insertion At End
- Minimum element in BST
- Circular Linked List Traversal
- Is Linked List Length Even?
- Identical Linked Lists
- Sum of Binary Tree
- Insert in Middle of Linked List
- Count Non-Leaf Nodes in Tree
- Count Odd and Even
- Sum Array Puzzle
- Who has the majority?
- Absolute Value
- Convert Celsius To Fahrenheit
- Sorted Array Search
- Remove common characters and concatenate
- Fibonacci Using Recursion
- Addition Under Modulo
- Ishaan's Internship
- Remove consonants from a string
- Maximum product of two numbers
- Encrypt the string - 1
- Count Pairs Odd Xor
- Uncommon characters
- Remove repeated digits in a given number
- Repeated Character
- Making elements distinct
- Merge two strings
- Last duplicate element in a sorted array
- Ishaan Loves Chocolates
- Jay's Apples
- Array Subset
- Multiply left and right array sum
- Boolean String Value
- Perfect Square String
- Check for Power
- Find the fine
- Height of Heap
- Finding Position
- Linked List Group Reverse
- Reorder List
- Min distance between two given nodes of a Binary Tree
- AVL Tree Insertion
- Alien Dictionary
- Trapping Rain Water
- Smallest window containing all characters
- Histogram Max Rectangular Area
- Find median in a stream
- Median of Two sorted arrays
- Count Pairs in an Array
- The Painter's Partition Problem-II
- Ugly Numbers
- Count Smaller elements
- Longest Prefix Suffix
- Next Happy Number
- Bit Difference
- Smallest Positive Integer that can not be represented as Sum
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