S
saurabh1975
STREAK
47/1482
days
Longest streak/Global longest streak
Language Used
C++, C, Python, Java
Coding Score
1997
Problem Solved
873
Contest Rating
__
29 points
Contributor
29 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 (188)
EASY (371)
MEDIUM (289)
HARD (23)
- 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
- Delete in a Doubly Linked List
- Inorder Traversal
- Reverse a Doubly Linked List
- Bubble Sort
- Selection Sort
- 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
- Left View of Binary Tree
- Delete Middle of Linked List
- Decimal Equivalent of Binary Linked List
- 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
- 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
- Lowest Common Ancestor in a BST
- Binary Search
- Run Length Encoding
- 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
- Equilibrium index of an array
- Unique rows in boolean matrix
- Remove every k'th node
- Leaves at Same Level or Not
- Third largest element
- Multiply two linked lists
- Josephus problem
- 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
- Array Duplicates
- Special Stack
- Three way partitioning
- Inorder Successor in BST
- Index of an Extra Element
- Operating an array
- Increment a variable
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Split Linked List Alternatingly
- Play with an array
- More than n/k Occurrences
- Max and min element in Binary Tree
- Reverse Using Stack
- 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
- Median of BST
- Find n/k th node in Linked list
- Maximum Pairwise Computed Value
- Queue Reversal
- Reverse first K of a Queue
- Magical Number
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- C++ STL Priority Queue
- Move all zeros to the front of the linked list
- Delete Mid of a Stack
- Product of an Array
- C++ Multi-level inheritance
- C++ Function overloading
- The New Line
- Data Types
- Taking input
- Learn to Comment
- GetLine and Ignore
- Learning to be precise
- For Loop- primeCheck
- While loop- printTable
- Learning Macros
- Step by Step Condition
- Start Coding - Java
- Taking input - Java
- nextLine and next
- Swap the array elements
- Count the Specials
- Consonants and Vowels check
- Almost Equal
- Count Odd Even - Java
- Swap values using References
- Two Dimensional World
- Delete Array
- Find the Frequency
- Back to Front
- Pair Sum in Vector
- Java ArrayList Operation
- Stack Operations
- Frequency in Queue
- Get min at pop
- Deque Implementations
- Multiset Operations
- Decimal to binary
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Longest Consecutive 1's
- Modular Inverse
- Power of 2
- Swap odd and even bits
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Minimum Number in a sorted rotated array
- Roof Top
- Print adjacency list
- Sum of upper and lower triangles
- Transpose of Matrix
- Matrix Boundary Traversal
- Check if a string is Isogram or not
- Anagram
- Winner of an election
- String Rotated by 2 Places
- Isomorphic Strings
- Most Frequent Character
- Reverse Words
- Sum of numbers in string
- Minimum indexed character
- Panagram Checking
- Non Repeating Character
- Parenthesis Checker
- Minimum indexed character
- Generate Binary Numbers
- K largest elements
- Minimum Cost of ropes
- Largest number with given sum
- Count ways to N'th Stair
- Pattern searching
- First Repeating Element
- Union of Arrays with Duplicates
- Common Elements
- Check Equal Arrays
- Numbers containing 1, 2 and 3
- Positive Negative Pair
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Search an element in sorted and rotated array
- Intersection of Arrays with Distinct
- Adding One
- Max Value Permutation
- Missing And Repeating
- Find Index
- Non-Repeating Element
- Pairs of equals Sum
- Max value
- Count the elements
- Find Kth Rotation
- Find the closest number
- Finding-Pairs
- 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
- String Duplicates Removal
- Min sum formed by digits
- Missing number
- Move all negative elements to end
- String Manipulation
- Chocolate Distribution Problem
- Count the triplets
- Find Pair Given Difference
- Bitonic Point
- Find Duplicate Element
- Left most and right most index
- Smallest subarray with sum greater than x
- Sort Array II
- Closest Strings
- Single Number
- Alternate Positive Negative
- Remaining String
- Closing bracket index
- Remove Consecutive Characters
- Convert a sentence into its equivalent mobile numeric keypad sequence
- Remove b and ac from a given string
- Check if the number is balanced
- Rearrange a string
- Remove Duplicates
- Compete the skills
- Convert the string
- Sorting Employees
- Nearest multiple of 10
- Add two numbers represented by two arrays
- Reorganize The Array
- Sum of two numbers represented as arrays
- Facing the sun
- Greater on right side
- Count Substrings
- Twice Counter
- Second Largest
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Rotate Bits
- Second most repeated string in a sequence
- Check if array contains contiguous integers
- Sort Unsorted Subarray
- Find all pairs with a given sum
- Number of occurrence
- Maximum repeating number
- K-Pangrams
- Find the left over element
- Reversing the equation
- Divisibility by 999
- Does array represent Heap
- Longest common prefix
- Modify the Array
- Convert an array to reduced form
- Check if array is sorted
- Sum Pair closest to target
- Find missing in second array
- Longest Common Prefix of Strings
- First Repeated Character
- Special array reversal
- Even and odd elements at even and odd positions
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Maximum number of zeroes
- Play With OR
- Hungry Pizza Lovers
- Three Great Candidates
- At Least K Occurrences
- Element with left side smaller and right side greater
- Find the closest pair from two arrays
- Merging two unsorted arrays in sorted order
- Count the Zeros
- Merge two binary Max heaps
- Four Elements
- First and Second Smallests
- Palindrome String
- Total count
- Search array with adjacent diff at most k
- Fitting The Array
- K-th missing element
- Pair with given sum in a sorted array
- Pattern Searching
- Count number of words
- Print Bracket Number
- Easy string
- Divisible by 7
- Shop in Candy Store
- Partition a number into two divisible parts
- Common Subsequence OldP
- Is Binary Number Multiple of 3
- Extract the Number from the String
- Minimum Operations
- Adding Array Elements
- Number of 1 Bits
- Armstrong Numbers
- Pairs with Positive Negative values
- Nth Fibonacci Number
- Ceil The Floor
- Count digits in a factorial
- Copy Set Bits in Range
- Count Digits
- Sum Of Digits
- Palindrome
- Toggle bits in the given range
- Prime Number
- Count Odd Factors
- Sum 1 to n Divisors
- Number Of Open Doors
- Perfect Numbers
- Nth item through sum
- Incomplete Array
- Smallest number with sum of digits as N and divisible by 10^N
- C++ Exception Handling
- Largest number possible
- Cutting Rectangles
- Trailing zeroes in factorial
- Form a number divisible by 3 using array digits
- Sum of First N Natural Numbers
- Boundary Elements of Matrix
- Trace Path
- Inorder Traversal and BST
- Print Pattern
- Primes sum
- K-Ary Tree
- Array to BST
- Ball coloring
- Fraction Trouble
- Plus One
- Sum of two numbers without using arithmetic operators
- Even and Odd
- Search insert position of K in a sorted array
- Queue using stack
- Maximum number of 2X2 squares
- First and last occurrences of x
- 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
- Insert an Element at the Bottom of a Stack
- Triangle and Square
- Pattern 2
- Pattern 3
- Pattern 4
- Maximum Depth Of Binary Tree
- Minimize the sum
- Last modified ball
- Find the first node of loop in linked list
- Type it!
- Balloon Everywhere
- Reverse both parts
- 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
- Ticket Counter
- Unique Number of Occurrences
- Reverse alternate nodes in Link List
- 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
- Rearrange linked list in-place
- 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
- Merge two sorted linked lists
- Sum Tree
- Connect Nodes of Levels
- Flattening a Linked List
- Delete a node from BST
- Absolute List Sorting
- Two Stacks in an Array
- Binary Heap Operations
- Largest subarray with 0 sum
- Merge K sorted linked lists
- Find kth element of spiral matrix
- Get Min from Stack
- Linked List to Binary Tree
- Kth smallest element in a Matrix
- Is Binary Tree Heap
- Validate an IP Address
- Remove loop in Linked List
- Count Palindromic Subsequences
- Multiply two strings
- Implement Atoi
- Maximum Difference
- Palindrome Linked List
- Closest in BST
- Count distinct elements in every window
- k-Anagram
- Merge k Sorted Arrays
- Find triplets with zero sum
- Sort a stack
- Duplicate Subtree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Level order traversal
- Peak element
- Merge Sort for Linked List
- Union of Two Linked Lists
- Binary Tree to CDLL
- Counting elements in two arrays
- Construct Tree from Inorder & Preorder
- Insert in Sorted way in a Sorted DLL
- Children Sum in a Binary Tree
- Deletion and Reverse in Circular Linked List
- Construct Tree from Preorder Traversal
- ZigZag Tree Traversal
- C++ Generic sort
- Swap Kth nodes from ends
- Ceil in BST
- Tower Of Hanoi
- Reverse array in groups
- Smallest Positive Missing
- Power Of Numbers
- Maximum occured integer
- 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
- Two Repeated Elements
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Count the number of possible triangles
- Sort by Absolute Difference
- Triplet Sum in Array
- Merge Without Extra Space
- Boolean Matrix
- Search in a sorted Matrix
- Rotate by 90 degree
- Subarray with 0 sum
- Subarray range with given sum
- Subarrays with equal 1s and 0s
- Sort Elements by Decreasing Frequency
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Case-specific Sorting of Strings
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- Infix to Postfix
- K Sized Subarray Maximum
- Nearly sorted
- Unique Subsets
- Lucky Numbers
- Sort according to an Array
- Preorder to BST
- Zero Sum Subarrays
- Find whether path exist
- Kth Smallest
- Most frequent word in an array of strings
- Container With Most Water
- Print Anagrams Together
- Rotate by 90 degree
- Top K Frequent in Array
- Closest Three Sum
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Pascal Triangle
- Maximum Index
- Sum of Subarrays
- Equal Sum
- Longest Span in two Binary Arrays
- Maximize Number of 1's
- Sum of Middle elements of two sorted arrays
- Single Among Doubles in a Sorted
- Count Occurences of Anagrams
- Single Among Doubles
- Pythagorean Triplet
- Pair Sum Closest to 0
- Search in Rotated Sorted Array
- Print Binary Tree levels in sorted order
- Maximize The Array
- Max Score from Subarray Mins
- Water Collection
- Super Primes
- Subarray Sum Divisible By K
- Maximum Product Subarray
- Longest subarray with sum divisible by K
- Sort the given array after applying the given equation
- Row with max 1s
- Swapping pairs make sum equal
- Column name from a given column number
- Concatenation of Zig-Zag String in n Rows
- Design a tiny URL or URL shortener
- Substrings with K Distinct
- Sort in specific order
- Nuts and Bolts Problem
- Longest Subarray with Sum K
- Transform String
- Count the Reversals
- Sum of two large numbers
- Factorials of large numbers
- Reverse each word in a given string
- Length of the longest substring
- Remove leading zeros from an IP address
- k largest elements
- Sum of XOR of all pairs
- Longest substring with distinct characters
- Longest Substring with K Uniques
- Longest Palindrome in a String
- Product Pair
- Valid Expression
- K-th element of two Arrays
- Arranging the array
- String formation from substring
- Triplets with Smaller Sum
- Missing element of AP
- First negative in every window of size k
- Find k-th character in string
- First and Last Occurrences
- Palindrome in Alphanumeric String
- Smaller on Left
- Valid Substring
- Find patterns
- Permutations of a String
- Previous number in one swap
- Find largest word in dictionary
- Subarrays Product Less than K
- Unique Number II
- Modular Exponentiation
- Largest prime factor
- Power Of 2 and Subsequences
- Find distinct elements
- nCr
- Subsets with XOR value
- Min Coin
- Probability of Knight
- Matchsticks game
- Killing Spree
- Nth Natural Number
- Permutation with Spaces
- Find Prime numbers in a range
- Party in Town
- Game with String
- Find the Safe Position
- Multiply 2 matrices
- Smaller on Left
- Filling Bucket
- How Many X's?
- Stream First Non-repeating
- Segregate even and odd nodes in a Linked List
- Kth Largest in a Stream
- Pairs of Non Coinciding Points
- The Smurfs
- Product of Primes
- Eulerian Path in an Undirected Graph
- Queries on Strings
- Broken blocks
- Negative weight cycle
- Base Equivalence
- Shortest Path between Cities
- Moving on grid
- Geek and Number String
- Recursively Remove Adjacent Duplicates
- Theft at World Bank
- Repeated String Match
- Triplets in Sorted Linked List
- Restrictive Candy Crush
- Help Classmates
- Iterative Inorder
- Preorder traversal (Iterative)
- Iterative Postorder
- Longest Palindromic Substring
- Subarrays with sum K
- Partition a Linked List around a given value
- Substrings of length k with k-1 distinct elements
- Clone a stack without using extra space
- Count pairs in array divisible by K
- Prefix match with other strings
- Maximum GCD of siblings of a binary tree
- Remove all occurences of duplicates in a linked list
- Flatten binary tree to linked list
- Unique Number III
- Find and Replace in String
- Overlapping Intervals
- Remove and Reverse
- Even Swap
- Reverse a Stack
- Farthest number
- K-th Largest Sum Contiguous Subarray
- Maximum Meetings in One Room
- Interleave the First Half of the Queue with Second Half
- Smallest sum contiguous subarray
- Stack Permutations
- 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
- Pattern
- Asteroid Collision
- Sum of subarray ranges
- Task Scheduler
- Lemonade Change
- Replace elements by its rank in the array
- Floor in BST
- Flattening a Linked List
- Absolute difference divisible by K
- Make array elements unique
- Next Greater Element in Circular Array
- Carpet into Box
- Geeks And The String
- Find the longest string
- Minimum repeat to make substring
- Intersection Point in Y Shaped Linked Lists
- Minimum Days
- Prime List
- Apple Sequences
- Maximum Intersecting Lines
- Shy Geek
- Count Special Numbers
- Minimum Steps Required
- Maximum Triplet product
- Maximum Possible Value
- Distinct Difference
- Anagrams in Linked List
- Yet another query problem
- Maximum Length
- Remove the balls
- Unequal Arrays
- Prefix Suffix String
- Smaller Sum
- BST Maximum Difference
- Nearest smaller tower
- Powerful Integer
- Easy Task
- Add Minimum Characters
- 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
- Replace all 0's with 5
- Count zeros in a sorted matrix
- Preorder Traversal
- First Occurence
- C++ STL | Set 1 (vector)
- C++ STL | Set 3 (map)
- C++ STL | Set 5 (queue)
- Search a node in BST
- Remainder with 7
- HashMap Operations
- Palindromic Array
- Linked List Insertion At End
- C++ Functions (Sum of numbers) | Set 1
- Minimum element in BST
- Anagram of String
- Is Linked List Length Even?
- Identical Linked Lists
- Modular Node
- Triplet Family
- Sum of Binary Tree
- Insert in Middle of Linked List
- Pairwise Consecutive Elements
- Alternates in an Array
- C++ Inheritance introduction
- Start Coding
- The Size of
- Logical Operators
- Count Odd and Even
- Sort and Reverse Vector
- Front to Back
- Stack designer
- Queue Push & Pop
- Set Operations
- Map Operations
- Bit Difference
- Number is sparse or not
- Print 1 To N Without Loop
- Array Search
- Sorted Array Search
- Binary String
- Remove common characters and concatenate
- Reverse a String
- Keypad typing
- First n Fibonacci
- C++ Hello World
- Find second largest element
- Merge and Sort
- Palindrome Array
- Sum of Array
- Sum of Natural Numbers
- Searching in an Array
- Doubling the value
- Count pair sum
- Print Elements of Array
- Remove consonants from a string
- Balanced Array
- Sort the Half Sorted
- At least two greater elements
- Type of array
- Sort a String
- Anagram Palindrome
- Alternative Sorting
- Check if divisible by 4
- Change the string
- Maximum product of two numbers
- Value equal to index value
- Check for subsequence
- Check String
- Convert a list of characters into a String
- Segregate Even and Odd numbers
- Odd to Even
- Count of camel case characters
- Remove vowels from string
- Fighting the darkness
- Reverse sub array
- Immediate Smaller Element
- Sum of distinct elements
- Count the characters in each word in a given sentence
- Count the characters
- Count type of Characters
- Uncommon characters
- Quick Left Rotation
- Swap kth elements
- Reversing the vowels
- Rock Paper Scissors!
- Lower case to upper case
- Smaller and Larger
- Remove repeated digits in a given number
- Remove Spaces
- Repeated Character
- First 1 in a Sorted Binary Array
- Max and Min Product from 2 Arrays
- The Penalty Shootout
- Elements in the Range
- Display longest name
- Find element at a given Index
- Last index of One
- Upper Case Conversion
- Floating point number even or odd
- Sort the string in descending order
- Merge two strings
- Message decoding
- Crazy String
- String with numbers at its end
- Largest Element in Array
- Rotate Array by One
- Game with nos
- One odd Occuring
- Ishaan Loves Chocolates
- Split Strings
- Array Subset
- Rotating an Array
- Product is even or odd?
- Remove Duplicates from unsorted array
- C++ Strings
- Count of smaller elements
- Min and Max in Array
- Multiply left and right array sum
- Positive and negative elements
- Extract Maximum
- Smallest number repeating K times
- Print first letter of every word in the string
- Extraction of secret message
- Last index of a character in the string
- Minimize string value
- Remove character
- Red OR Green
- Convert String to LowerCase
- Snake Case
- The Muskteers
- Delete alternate characters
- Reverse a String
- Sort the fest
- C++ Basic Data types
- Java Substring
- Difference between highest and lowest occurrence
- GCD of two numbers
- Find unique element
- C++ if-else (Decision Making)
- Addition of Two Numbers
- C++ Input / Output
- Odd or Even
- C++ Switch Case Statement
- C++ Operators | Set 1 (Arithmetic)
- Find position of set bit
- Set kth bit
- Java Hello World
- Find the fine
- LCM And GCD
- Leap Year
- Median of an Array
- Celsius to Fahrenheit Conversion
- Factorial
- Automorphic Number
- Sum of Digit is Palindrome or not
- Greatest of three numbers
- Reverse digits
- Binary number to decimal number
- Series AP
- Sum of elements in a matrix
- Multiplication Table
- Remainder Evaluation
- Print 1 to n without using loops
- Middle of Three
- Print the Kth Digit
- Swap two numbers
- Unique Numbers
- String of Commons
- Minimum difference pair
- Reading books
- Finding Position
- Addition of two square matrices
- Java Iterator
- Sorted matrix
- Pattern 1
- Pattern 5
- Pattern 6
- Pattern 7
- Pattern 8
- Linked List Group Reverse
- Reorder List
- Binary Tree to DLL
- AVL Tree Deletion
- Trapping Rain Water
- Max Circular Subarray Sum
- Median of 2 Sorted Arrays of Different Sizes
- Count Smaller elements
- Longest Prefix Suffix
- Next Happy Number
- Median in a row-wise sorted Matrix
- Kill Captain America
- Longest valid Parentheses
- Closest Palindrome
- Word Wrap
- Maximum sum Rectangle
- Smallest Positive Integer that can not be represented as Sum
- Search Pattern (Rabin-Karp Algorithm)
- Sorted Linked List to BST
- Array Partition
- Minimum time to fulfil all orders
- Geek in a Maze
- Shortest Path Using Atmost One Curved Edge
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