- Sum of array elements
- Reverse an Array
- Maximum and Minimum Of Array Elements
- Sum Of Digits
- Sum of Array
- Palindrome String
- Armstrong Numbers
- Sum of Series
- Binary number to decimal number
- Swap kth elements
- Second Largest
- Reverse digits
- At least two greater elements
- Distance between 2 points
- Sum of elements in a matrix
- Reversing the vowels
- Sum Palindrome
- Reverse a String
- GCD of two numbers
- Count of smaller elements
- Print the pattern | Set-1
- Multiply Matrices
- C++ Functions (Sum of numbers) | Set 1
- Print alternate elements of an array
- Print 1 To N Without Loop

Name

Rank in Institute

#1

Courses Attended

Overall Coding Score: 2044

Monthly Coding Score: 101

Weekly Coding Score: 0

- Search an Element in an array
- Maximum Occuring Character
- Binary String
- Consecutive elements
- Factorial
- Prime Number
- LCM And GCD
- GCD of Array
- Repetitive Addition Of Digits
- Searching a number
- Power of 2
- Series GP
- Sort The Array
- Pythagorean Triplet
- Sort a String
- Print the Kth Digit
- Majority Element
- Sieve of Eratosthenes
- Shortest path from 1 to n
- Rotate Array
- Permutations of a given string
- Missing number in array
- Array of alternate +ve and -ve no.s
- Swap two nibbles in a byte
- Number of paths
- Segregate Even and Odd numbers
- Bit Difference
- Count numbers containing 4
- Greater on right side
- Immediate Smaller Element
- Count zero
- Binary Array Sorting
- Intersection of two arrays
- Union of two arrays
- Convert array into Zig-Zag fashion
- Number of occurrence
- k largest elements
- Pairs of prime number
- Check if a number is power of another number
- Sum of all prime numbers between 1 and N.
- Pattern Jumping
- Sum of Digits Divisibility
- Ways To Tile A Floor
- Generate Binary Numbers
- Smallest number
- Keypad typing
- Rotating an Array
- Searching an element in a sorted array
- Total count
- Sum of primes
- Rearranging array
- Reverse array in groups
- Good String
- Mega Sale
- Set Bits
- Count Squares
- Nth Even Fibonacci Number
- Padovan Sequence
- Minimize the sum of product
- Missing number
- Reverse each word in a given string
- Help a Thief!!!
- Squares in a Matrix
- Find duplicates under given constraints
- Find first and last occurrence of x
- Type of array
- Sum of dependencies in a graph
- Sort in specific order
- Check if two arrays are equal or not
- Form largest number from digits
- Check if string is rotated by two places
- Find first set bit
- Find first repeated character
- Does array represent Heap
- Find the element that appears once in sorted array
- Thief trying to escape
- Last index of One
- Print an array in Pendulum Arrangement
- Transpose of Matrix
- First element to occur k times
- Check whether K-th bit is set or not
- Extract Maximum
- Remove Duplicates from unsorted array
- Uncommon characters
- Find minimum and maximum element in an array
- Pair cube count
- Rightmost different bit
- Check set bits
- Set kth bit
- Sorting Employees
- Toggle bits given range
- Twice counter
- Print first n Fibonacci Numbers
- Print Matrix in snake Pattern
- Closest Number
- Boolean String Value
- Rearrange the array
- Absolute Difference of 1
- Remove common characters and concatenate
- Good or Bad string
- Repeated Character
- Merge two strings
- Find the fine
- Three distinct factors
- Find the closest number
- Sum of f(a[i], a[j]) over all pairs in an array of n integers
- Chocolate lengths
- Factor OR Multiple
- Jay's Apples
- How Many X's?
- Count nodes of linked list
- Node at a given index in linked list
- Delete node in Doubly Linked List
- Size of Binary Tree
- Inorder Traversal
- Bubble Sort
- Count Leaves in Binary Tree
- Selection Sort
- Height of Binary Tree
- Finding middle element in a linked list
- Circular Linked List
- Postorder Traversal
- Implement Stack using Linked List
- Implement stack using array
- Implement Queue using Linked List
- Implement Queue using array
- Square root
- Doubly linked list Insertion
- Binary Search
- Add two fractions
- Convert to Roman No
- Preorder Traversal
- Implement strstr
- Middle Pattern
- Search a node in BST
- Remainder with 7
- Implement Atoi
- Minimum distance between two numbers
- Find triplets with zero sum
- Operating an array
- Linked List Insertion
- Minimum element in BST
- Anagram of String
- Circular Linked List Traversal
- Delete Alternate Nodes
- Identical Linked Lists
- Find the Sum of Last N nodes of the Linked List
- Modular Node
- Find n/k th node in Linked list
- Maximum in Struct Array
- Queue Reversal
- Triplet Family
- Sum of Binary Tree
- Magical Number
- Insert in Middle of Linked List
- Product of array elements
- Start Coding
- Queue Designer
- Who has the majority?
- Strongest Neighbour
- Array insert at index
- Array insert at end
- Reversing an Array
- Operations on Stack
- Operations on Queue
- Absolute Value
- Convert Celsius To Fahrenheit
- Check whether K-th bit is set or not
- Count total set bits
- Bit Difference
- Number is sparse or not
- Gray Code
- Gray to Binary equivalent
- Power of 2
- Tower Of Hanoi
- Reverse array in groups
- Rotate Array
- Search an Element in an array
- Searching an element in a sorted array
- Majority Element
- Left Index
- Binary Array Sorting
- Count possible triangles
- Adding two matrices
- Sum of upper and lower triangles
- Multiply the matrices
- Print Matrix in snake Pattern
- Transpose of Matrix
- Rotate by 90 degree
- Determinant of a Matrix
- Check if a string is Isogram or not
- Binary String
- Check if string is rotated by two places
- Check if strings are rotations of each other or not
- Maximum Occuring Character
- Remove common characters and concatenate
- Sum of numbers in string
- Repeating Character - First Appearance Leftmost
- Generate Binary Numbers
- k largest elements
- Sum of Digits of a Number
- Power Using Recursion
- Fibonacci Using Recursion
- Addition Under Modulo
- Multiplication Under Modulo

- Frequencies of Limited Range Array Elements
- Anagram
- Number of Unique Paths
- Wave Array
- Print Pattern
- Search in a Rotated Array
- Rectangles in N*N Board
- Squares in N*N Chessboard
- Subarray with least average
- Maximize Toys
- Minimum number of Coins
- Sum of Middle Elements of two sorted arrays
- First Repeating Element
- Count Occurences of Anagrams
- Reverse words in a given string
- Count Substrings
- Move all zeroes to end of array
- Remove all duplicates from a given string
- Activity Selection
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Next greater number set digits
- Finding Position
- Amount of Water
- Segregate even and odd nodes in a Linked List
- Longest Distinct characters in string
- Column name from a given column number
- N meetings in one room
- Remove Duplicates
- Maximum sum increasing subsequence
- Array to BST
- Max Sum without Adjacents
- Product array puzzle
- Reverse Bits
- Reach the Nth point
- Subarray with given sum
- Adjacents are not allowed
- Leaders in an array
- Count number of hops
- Inorder Traversal and BST
- Triplet Sum in Array
- Three Great Candidates
- Reach a given score
- Possible paths
- Minimum element in a sorted and rotated array
- Search in a matrix
- Number Of Open Doors
- Cross character
- Chinky and diamonds
- Shop in Candy Store
- Largest number possible
- 0 - 1 Knapsack Problem
- Longest Common Increasing Subsequence
- Valid Substring
- Count the Reversals
- Cutted Segments
- Smallest number subset
- Maximum average subarray
- Left out candies
- Perfect Numbers
- Equilibrium point
- Floor in a Sorted Array
- Buildings receiving sunlight
- Finding the numbers
- Pairs with specific difference
- Min sum formed by digits
- Move all negative elements to end
- String Manipulation
- Chocolate Distribution Problem
- 1[0]1 Pattern Count
- Knapsack with Duplicate Items
- Sum of k smallest elements in BST
- Flood fill Algorithm
- Decode the pattern
- Roman Number to Integer
- Decode the string
- Gold Mine Problem
- Smallest subarray with sum greater than x
- Find Nth root of M
- Sum of all substrings of a number
- Minimum Operations
- Find all pairs with a given sum
- Check if frequencies can be equal
- Excel Sheet | Part - 2
- Largest Fibonacci Subsequence
- Longest Palindromic Subsequence
- K-th element of two sorted Arrays
- Evaluation of Postfix Expression
- Common elements
- Rod Cutting
- Element with left side smaller and right side greater
- Transitive closure of a Graph
- Array Subset of another array
- Count the paths
- Four Elements
- Paths to reach origin
- Subarray with 0 sum
- Get Minimum Squares
- Nth catalan number
- Carry counter
- Count the elements
- Second most repeated string in a sequence
- Count all possible paths from top left to bottom right
- Minimum Deletions
- Shortest Common Supersequence
- Sort the given array after applying the given equation
- Nth number made of prime digits
- Painting the Fence
- Find distinct elements
- Sort by Absolute Difference
- Swapping pairs make sum equal
- Toppers Of Class
- String Ignorance
- Minimum insertions to sort an array
- Minimum number of deletions and insertions.
- Minimum number of deletions to make a sorted sequence
- Nth item through sum
- Longest subsequence-1
- Maximum sum Problem
- String comparison
- Minimum indexed character
- Stickler Thief
- Remaining String
- Transform the array
- Even Fibonacci Numbers Sum
- Count the triplets
- Chicks in a Zoo
- Smallest number in one swap
- Sum of two large numbers
- Largest number in one swap
- Geek and its Game of Coins
- Pairs with Positive Negative values
- Numbers containing 1, 2 and 3
- Close to Perfection
- Find if string is K-Palindrome or not
- Longest common prefix
- Rearrange array such that even positioned are greater than odd
- Arya and The Great War
- Find out the Team
- Nearest multiple of 10
- Remove leading zeros from an IP address
- Reorganize The Array
- Check if array contains contiguous integers with duplicates allowed
- Maximum height of the staircase
- Ease the Array
- Villain Con
- Damon Prime
- Count pairs Sum in matrices
- C++ Matrix Rotation by 180 degree
- Convert a sentence into its equivalent mobile numeric keypad sequence
- Check if a number is divisible by 8
- Arya's Long String
- Print Bracket Number
- Eulerian Path in an Undirected Graph
- Save Ironman
- Print adjacency list
- Positive Negative Pair
- Reverse a linked list
- Occurence of an integer in a Linked List
- Delete N nodes after M nodes of a linked list
- Rotate a Linked List
- Pairwise swap elements of a linked list
- Given a linked list of 0s, 1s and 2s, sort it.
- Add two numbers represented by linked lists
- Rearrange a linked list
- Add 1 to a number represented as linked list
- linked list of strings forms a palindrome
- Compare two linked lists
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Remove duplicates from an unsorted linked list
- Sorted insert for circular linked list
- Split a Circular Linked List into two halves
- Reverse a Doubly Linked List
- Insertion Sort
- Merge Sort
- Quick Sort
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of Tree
- Diameter of Binary Tree
- Check for Balanced Tree
- Heap Sort
- Nth node from end of linked list
- Left View of Binary Tree
- Delete Middle of Linked List
- Merge two sorted linked lists
- Sum Tree
- Decimal Equivalent of Binary Linked List
- Transform to Sum Tree
- Queue using two Stacks
- Remove duplicate element from sorted Linked List
- Stack using two queues
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Reverse alternate levels of a perfect binary tree
- Insert a node in a BST
- BFS of graph
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Root to leaf path sum
- Print all nodes that don't have sibling
- Absolute List Sorting
- Lowest Common Ancestor in a BST
- Implement two stacks in an array
- Binary Heap Operations
- Largest subarray of 0's and 1's
- Level order traversal Line by Line
- Print BST elements in given range
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- K-Palindrome
- Remove every k'th node
- Is Binary Tree Heap
- Validate an IP Address
- Sorted subsequence of size 3
- Josephus problem
- Expression Tree
- Check if Linked List is Palindrome
- Longest Consecutive Subsequence
- Delete a Node in Single Linked List
- Kth largest element in BST
- Find duplicates in an array
- Count distinct elements in every window
- Special Stack
- Root to leaf paths sum
- Three way partitioning
- Sort a stack
- Print Common Nodes in BST
- Level order traversal
- Peak element
- Inorder Successor in BST
- Index Of an Extra Element
- Merge Sort for Linked List
- Convert Ternary Expression to Binary Tree
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Split Singly Linked List Alternatingly
- Ancestors in Binary Tree
- Level of a Node in Binary Tree
- Sum of leaf nodes in BST
- Root to Leaf Paths
- Maximum path sum
- Counting Sort
- Max and min element in Binary Tree
- Counting elements in two arrays
- Reverse a string using Stack
- Linked List that is Sorted Alternatingly
- Modify Linked List-1
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Construct BST from Postorder
- Merge Lists Alternatingly
- Arrange Consonants and Vowels
- Vertical sum
- Count Pairs whose sum is equal to X
- Insert in Sorted way in a Sorted DLL
- Check if Tree is Isomorphic
- Predecessor and Successor
- Maximum Node Level
- Children Sum Parent
- Diagonal Sum In Binary Tree
- Find length of Loop
- Deletion and Reverse in Linked List
- Median of BST
- Normal BST to Balanced BST
- Linked List Matrix
- Reverse First K elements of Queue
- Remove Half Nodes
- Height of Spiral Tree
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Deletion in a Binary Tree
- Nodes at Odd Levels
- Closest Neighbor in BST
- Brothers From Different Roots
- Sum of the Longest Bloodline of a Tree
- Exchange the Leaf Nodes
- Kth Ancestor in a Tree
- ZigZag Tree Traversal
- Tilt of Binary Tree
- Delete middle element of a stack
- Vertical Width of a Binary Tree
- The New Line
- Data Types
- Taking input
- Learn to Comment
- GetLine and Ignore
- Get min at pop
- Deque Implementations
- Max and Second Max
- Hashing for pair - 1
- Hashing for pair - 2
- Pairwise swap of nodes in LinkeList
- Mother Vertex
- Find first set bit
- Rightmost different bit
- Factorial Of Number
- Digits In Factorial
- GP Term
- Primality Test
- Longest Consecutive 1's
- Exactly 3 Divisors
- Mean And Median
- Modular Multiplicative Inverse
- Swap all odd and even bits
- Maximum AND Value
- Minimum adjacent difference in a circular array
- Power Of Numbers
- Maximum occured integer
- Wave Array
- Frequencies of Limited Range Array Elements
- Equilibrium point
- Leaders in an array
- Count 1's in binary array
- Floor in a Sorted Array
- Minimum Number in a sorted rotated array
- Two Repeated Elements
- Roof Top
- Union of Two Sorted Arrays
- Subarray with given sum
- Intersection of two sorted arrays
- Closet 0s 1s and 2s
- Sort by Absolute Difference
- Triplet Sum in Array
- Print adjacency list
- Spirally traversing a matrix
- Search in a matrix
- Interchanging the rows of a Matrix
- Boundary traversal of matrix
- Exchange matrix columns
- Separate chaining in Hashing
- Naive Pattern Search
- Distinct Pattern Search
- Linear Probing in Hashing
- Quadratic Probing in Hashing
- Count Non-Repeated Elements
- Print Non-Repeated Elements
- Anagram
- Subarray with 0 sum
- Winner of an election
- Subarray range with given sum
- Isomorphic Strings
- The Modified String
- Reverse words in a given string
- Smallest window in a string containing all the characters of another string
- Minimum indexed character
- Pangram Checking
- Non Repeating Character
- Removing consecutive duplicates
- Removing consecutive duplicates - 2
- Evaluation of Postfix Expression
- N meetings in one room
- Fractional Knapsack
- Largest number with given sum
- Count Total Digits in a Number
- Digital Root
- Power Set Using Recursion

- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Sum Of Prime
- Excel Sheet | Part - 1
- Maximum Sub Array
- Print Diagonally
- Maximum Index
- Longest Increasing Subsequence
- Parenthesis Checker
- Longest Common Subsequence
- Minimum number of jumps
- Count ways to reach the n'th stair
- Count ways to N'th Stair(Order does not matter)
- Edit Distance
- nCr
- Maximum Rectangular Area in a Histogram
- Longest Span with same Sum in two Binary arrays
- Min Coin
- Consecutive 1's not allowed
- Count of Subarrays
- Longest Even Length Substring
- Path in Matrix
- Trapping Rain Water
- Subset Sum Problem
- Number of Coins
- Minimum Platforms
- Find Prime numbers in a range
- Stock buy and sell
- Largest Number formed from an Array
- Possible words from Phone digits
- Jumping Numbers
- Longest Palindrome in a String
- Modular Exponentiation for large numbers
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Relative Sorting
- Maximum of all subarrays of size k
- Row with max 1s
- Boolean Matrix Problem
- Sorting Elements of an Array by Frequency
- Nuts and Bolts Problem
- Rotate a 2D array without using extra space
- Special Keyboard
- Minimum Cost of ropes
- Form a palindrome
- Inversion of array
- Preorder to Postorder
- Length of the longest substring
- Longest consecutive subsequence
- Stock span problem
- Convert an array to reduced form
- M-Coloring Problem
- Minimum steps to get desired array
- Handshakes
- Tic-Tac-Toe
- Palindromic Array
- Is Binary Number Multiple of 3
- Super Primes
- Number of pairs
- Coin Piles
- Circle of strings
- Nodes at even distance
- Largest number in K swaps
- Special Matrix
- Minimize the heights
- Next larger element
- X Total Shapes
- Total Decoding Messages
- Unique BST's
- Combination Sum - Part 2
- Word Break
- Kth smallest element
- 3 Divisors
- Longest Common Substring
- Count Palindrome Sub-Strings of a String
- Hamiltonian Path
- Snake and Ladder Problem
- Recursively remove all adjacent duplicates
- Shortest Source to Destination Path
- Knight Walk
- Find all four sum numbers
- Word Boggle
- Print leaf nodes from preorder traversal of BST
- Find whether path exist
- Largest prime factor
- Unit Area of largest region of 1's
- Rearrange characters
- First non-repeating character in a stream
- Count subsequences of type a^i b^j c^k
- Stepping Numbers
- K
^{th}largest element in a stream - Water Overflow
- Zero Sum Subarrays
- Magnet Array Problem
- Smallest window in a string containing all the characters of another string
- Smallest distinct window
- Floyd Warshall
- Nearly Sorted Algorithm
- Geek collects the balls
- Smallest Positive missing number
- Job Sequencing Problem
- Page Faults in LRU
- Rotten Oranges
- Longest Common Prefix in an Array
- Steps by Knight
- Median In a Row-Wise sorted Matrix
- Brackets in Matrix Chain Multiplication
- Matrix Chain Multiplication
- Maximum Tip Calculator
- Last two digits of Fibonacci
- Count of Palindromic substrings in an Index range
- Fill the Tank
- Lazy Pasha
- Longest subarray with sum divisible by K
- Subarrays with equal 1s and 0s
- Longest Sub-Array with Sum K
- Save Winterfell
- Minimum swaps and K together
- Count only Repeated
- Smaller on Right
- Reverse a Linked List in groups of given size.
- Delete nodes having greater value on right
- Count BST nodes that lie in a given range
- Check for BST
- Tree from Postorder and Inorder
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection Point in Y Shapped Linked Lists
- Add all greater values to every node in a BST
- Construct Binary Tree from Parent Array
- Connect Nodes at Same Level
- Clone a linked list with next and random pointer
- Flattening a Linked List
- Diagonal Traversal of Binary Tree
- Boundary Traversal of binary tree
- Delete a node from BST
- Detect cycle in a directed graph
- Detect cycle in an undirected graph
- Min distance between two given nodes of a Binary Tree
- Maximum difference between node and its ancestor
- The Celebrity Problem
- Topological sort
- Print a Binary Tree in Vertical Order
- Merge K sorted linked lists
- Find the number of islands
- Get minimum element from stack
- Serialize and Deserialize a Binary Tree
- Circular tour
- Max rectangle
- Make Binary Tree From Linked List
- Generate IP Addresses
- Check if subtree
- Kth element in Matrix
- Remove loop in Linked List
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Max length chain
- Minimum Spanning Tree
- Largest BST
- Interleaved Strings
- LRU Cache
- Multiply two strings
- Minimum Swaps to Sort
- Strongly Connected Components (Kosaraju's Algo)
- Rat in a Maze Problem
- Bipartite Graph
- Max sum subarray by removing at most one element
- Find the Closest Element in BST
- Delete keys in a Linked list
- Merge two BST 's
- Merge k Sorted Arrays
- Length of longest palindrome in linked list
- Top View of Binary Tree
- k-th smallest element in BST
- Polynomial Addition
- Euler circuit and Path
- Merge Sort on Doubly Linked List
- Binary Tree to CDLL
- Find a pair with given target in BST
- Count More than n/k Occurences
- Populate Inorder Successor for all nodes
- Construct expression tree
- Foldable Binary Tree
- Construct tree from Inorder and LevelOrder
- Node at distance
- Mirror of a given node
- Maximum path sum from any node
- Leaves to DLL
- Construct Tree from Preorder Traversal
- Construct a Full Binary Tree
- Convert Level Order Traversal to BST
- Count Number of SubTrees having given Sum
- Swap Kth nodes from ends
- Rabin Karp - Pattern Searching
- Implementing Floor in BST
- Implementing Ceil in BST
- Pair Sum in BST
- Smallest Positive missing number
- Possible Words From Phone Digits
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Index
- Trapping Rain Water
- Stock buy and sell
- Check if array is sorted and rotated
- Kadane's Algorithm
- Number of pairs
- Merge three sorted arrays
- Possible paths between 2 vertices
- Make Matrix Beautiful
- Boolean Matrix Problem
- Distance of nearest cell having 1
- Unit Area of largest region of 1's
- Subarrays with equal 1s and 0s
- Sorting Elements of an Array by Frequency
- Longest consecutive subsequence
- Case-specific Sorting of Strings
- Lexicographic Rank Of A String
- Parenthesis Checker
- Maximum Rectangular Area in a Histogram
- Stock span problem
- Next larger element
- Infix to Postfix
- Maximum of all subarrays of size k
- Kth largest element
- Kth smallest element
- Kth largest element in a stream
- K Most occurring elements
- Nearly sorted
- Rearrange characters
- Minimum Platforms
- Largest number in K swaps
- Black and White
- Combination Sum

- Minimum Points To Reach Destination
- Minimum sum partition
- Merge Without Extra Space
- Return two prime numbers
- Allocate minimum number of pages
- Longest valid Parentheses
- Word Break - Part 2
- Minimum Cost Path
- N-Queen Problem
- Solve the Sudoku
- Strongly connected component (Tarjans's Algo)
- Find median in a stream
- Distinct palindromic substrings
- Convert to Strictly increasing array
- Phone directory
- Count the subarrays having product less than k
- Median of Two sorted arrays
- Reorder List
- Binary Tree to DLL
- Alien Dictionary
- Nodes at given distance in binary tree
- Fixing Two nodes of a BST
- Pattern Search KMP
- Max Circular Subarray Sum
- Merge Without Extra Space
- Maximum of minimum for every window size
- Find median in a stream