- LCM And GCD
- GCD of Array
- Repetitive Addition Of Digits
- Power of 2
- Series GP
- Pythagorean Triplet
- Strong Number
- Doubling the value
- Majority Element
- Sieve of Eratosthenes
- Shortest path from 1 to n
- Amend The Sentence
- Count possible triangles
- Permutations of a given string
- Missing number in array
- Swap two nibbles in a byte
- Segregate Even and Odd numbers
- Count total set bits
- Bit Difference
- Greater on right side
- Binary Array Sorting
- Intersection of two arrays
- Union of two arrays
- Convert array into Zig-Zag fashion
- Minimum difference pair
- Check if a number is power of another number
- Sum of all prime numbers between 1 and N.
- Ways To Tile A Floor
- Smallest number
- Angle between hour and minute hand
- Check if given four points form a square
- Minimize string value
- Reverse array in groups
- Set Bits
- Nth Even Fibonacci Number
- Reverse each word in a given string
- Squares in a Matrix
- Sum of dependencies in a graph
- Sort in specific order
- Check if two arrays are equal or not
- 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
- Uncommon characters
- Sum of numbers in string
- Find the smallest and second smallest element in an array
- Find minimum and maximum element in an array
- Find second largest element
- Max Sum Subarray of size K
- Rightmost different bit
- Toggle bits given range
- Shuffle integers
- Elements in the Range
- Print first n Fibonacci Numbers
- Maximum Integer Value
- Print Matrix in snake Pattern
- Closest Number
- Boolean String Value
- Remove common characters and concatenate
- Sum of Digit Modified
- Repeated Character
- Merge two strings
- Find the fine
- Find the closest number
- Distinct Elements in a Stream
- Check if strings are rotations of each other or not
- Jay's Apples
- Find the Number which contain the digit d
- How Many X's?
- Size of Binary Tree
- Inorder Traversal
- Count Leaves in Binary Tree
- Height of Binary Tree
- Finding middle element in a linked list
- Circular Linked List
- Postorder Traversal
- Binary Search
- Add two fractions
- Replace all 0's with 5
- Convert to Roman No
- Preorder Traversal
- Implement strstr
- Remainder with 7
- Implement Atoi
- Minimum distance between two numbers
- Find triplets with zero sum
- Operating an array
- Minimum element in BST
- Circular Linked List Traversal
- Linked List Length Even or Odd?
- Find the Sum of Last N nodes of the Linked List
- Modular Node
- Find n/k th node in Linked list
- Insert in Middle of Linked List
- Count Non-Leaf Nodes in Tree
- Start Coding
- logical Operators
- Start coding - C
- The new line - C
- Input/Output - C
- Comments in C
- Operators in C
- Logical operator in C
- Increment and decrement - C
- getchar and putchar - C
- Format specifier - C

Name

Rank in Institute

#1

Courses Attended

Overall Coding Score: 2457

Monthly Coding Score: 1236

Weekly Coding Score: 10

- Frequencies of Limited Range Array Elements
- Adding One
- Number of Unique Paths
- Wave Array
- Maximum Gap
- Pattern Searching
- Print Pattern
- Rotation
- Search in a Rotated Array
- Squares in N*N Chessboard
- Subarray with least average
- Maximize Toys
- Trailing zeroes in factorial
- Non Repeating Character
- a^b(Set 2)
- Minimum number of Coins
- Sum of Middle Elements of two sorted arrays
- Good Pairs
- First Repeating Element
- Reverse words in a given string
- Count Substrings
- Move all zeroes to end of array
- Activity Selection
- Remove “b” and “ac” from a given string
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Pairs with difference k
- Two numbers with sum closest to zero
- Maximum value in a bitonic array
- Next greater number set digits
- Finding Position
- Amount of Water
- Single Number
- Segregate even and odd nodes in a Linked List
- Element that appears once where every element occurs twice
- Longest Distinct characters in string
- Replace by X
- Is Square
- N meetings in one room
- Maximum sum increasing subsequence
- Array to BST
- Facing the sun
- Triangular Number
- Make Number Odd
- Key Pair
- Add Binary Strings
- Product array puzzle
- Length Unsorted Subarray
- Reverse Bits
- Reach the Nth point
- Subarray with given sum
- Count numbers
- Leaders in an array
- Swap all odd and even bits
- Max rope cutting
- Count number of hops
- Count pairs with given sum
- Inorder Traversal and BST
- Segregate 0s and 1s
- Copy Set Bits in Range
- Triplet Sum in Array
- Three Great Candidates
- Reach a given score
- Next in Series
- Overlapping rectangles
- Inverted triangle of stars
- Possible paths
- Y shaped pattern
- Minimum element in a sorted and rotated array
- Search in a matrix
- Value of polynomial
- Number Of Open Doors
- Faithful Numbers
- Day of the week
- Number of 1's in smallest repunits
- Chinky and diamonds
- Number of subsets and mean
- Shop in Candy Store
- Check If two Line segments Intersect
- Largest number possible
- Arrange the Balls
- Missing element of AP
- Count the Zeros
- 0 - 1 Knapsack Problem
- Number of ways to find two numbers
- Cutted Segments
- Smallest number subset
- Game of Death in a circle
- Power of Numbers
- Perfect Numbers
- Count number of substrings
- Product of two digit numbers
- Permutation with Spaces
- Element appearing once
- Equilibrium point
- Floor in a Sorted Array
- Buildings receiving sunlight
- Maximize Dot Product
- Max value
- Flip Bits
- Finding the numbers
- Happy Number
- LCS with permutations
- Pairs with specific difference
- Count Pairs in an Array
- Sphenic Number
- Min sum formed by digits
- Move all negative elements to end
- Help Nobita
- Chocolate Distribution Problem
- Binary Tree K level sum
- Exit Point in a Matrix
- 1[0]1 Pattern Count
- Knapsack with Duplicate Items
- Flood fill Algorithm
- Decode the pattern
- Largest Product Pallindrome
- Maximum no of 1's row
- Friends Pairing Problem
- Gold Mine Problem
- Smallest subarray with sum greater than x
- Find Nth root of M
- Find largest word in dictionary
- Love For The Twins
- Minimum Operations
- Find all pairs with a given sum
- Check if frequencies can be equal
- Largest zigzag sequence
- Palindromic patitioning
- Excel Sheet | Part - 2
- Largest Fibonacci Subsequence
- Longest Palindromic Subsequence
- K-th element of two sorted Arrays
- Evaluation of Postfix Expression
- Rod Cutting
- Element with left side smaller and right side greater
- Sequence of Sequence
- Transitive closure of a Graph
- Array Subset of another array
- Count the paths
- First negative integer in every window of size k
- Game with String
- Four Elements
- Paths to reach origin
- Subarray with 0 sum
- Get Minimum Squares
- Nth catalan number
- Group Anagrams Together
- Sum equals to Sum
- Carry counter
- Count all possible paths from top left to bottom right
- Shortest Common Supersequence
- Rearrange a string
- Minimum Number in a sorted rotated array
- Sort by Absolute Difference
- Bird and maximum fruit gathering
- Swapping pairs make sum equal
- String Ignorance
- Minimum number of deletions and insertions.
- Minimum steps to minimize n as per given condition
- Subset with sum divisible by m
- Count of strings that can be formed using a, b and c under given constraints
- Nth item through sum
- Longest subsequence-1
- Maximum sum Problem
- Minimum indexed character
- Minimum Cost To Make Two Strings Identical
- Remaining String
- Power Set
- Even Fibonacci Numbers Sum
- K-Ary Tree
- Count the triplets
- Special Numbers
- Sum of two large numbers
- Prime number of set bits
- Pairs with Positive Negative values
- Numbers containing 1, 2 and 3
- Rearrange array such that even positioned are greater than odd
- 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
- Count pairs Sum in matrices
- C++ Matrix Rotation by 180 degree
- Arya's Long String
- Find the closest pair from two arrays
- Print Bracket Number
- Lucky Ishaan
- Eulerian Path in an Undirected Graph
- Save Ironman
- Reverse a linked list
- Occurence of an integer in a Linked List
- Pairwise swap elements of a linked list
- Given a linked list of 0s, 1s and 2s, sort it.
- 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
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Maximum Width of Tree
- Diameter of Binary Tree
- Check for Balanced Tree
- Nth node from end of linked list
- Left View of Binary Tree
- Sum Tree
- Transform to Sum Tree
- Find Transition Point
- 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
- BFS of graph
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Print all nodes that don't have sibling
- Lowest Common Ancestor in a BST
- Largest subarray of 0's and 1's
- Level order traversal Line by Line
- Print BST elements in given range
- Largest subarray with 0 sum
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- K-Palindrome
- Unique rows in boolean matrix
- Distinct occurrences
- Sorted subsequence of size 3
- Josephus problem
- Expression Tree
- Check if Linked List is Palindrome
- Longest Consecutive Subsequence
- Kth largest element in BST
- Find duplicates in an array
- Count distinct elements in every window
- Max Level Sum in Binary Tree
- Special Stack
- Root to leaf paths sum
- Three way partitioning
- Sort a stack
- Level order traversal
- Inorder Successor in BST
- Index Of an Extra Element
- Convert Ternary Expression to Binary Tree
- Ancestors in Binary Tree
- Sum of leaf nodes in BST
- Root to Leaf Paths
- Maximum path sum
- Max and min element in Binary Tree
- Perfect Binary Tree
- Counting elements in two arrays
- Linked List that is Sorted Alternatingly
- Full binary tree
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Vertical sum
- Check if Tree is Isomorphic
- Predecessor and Successor
- Diagonal Sum In Binary Tree
- Remove Half Nodes
- Height of Spiral Tree
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Nodes at Odd Levels
- Closest Neighbor in BST
- Kth Ancestor in a Tree
- Sum of Leaf Nodes at Min Level
- Tilt of Binary Tree
- Move all zeros to the front of the linked list
- Vertical Width of a Binary Tree
- Rotate doubly Linked List
- The New Line
- Data Types
- The Size of
- Taking input
- Learn to Comment
- GetLine and Ignore
- Learning to be precise
- Bitwise Operators
- Even Odd
- For Loop- primeCheck
- While loop- printTable
- Learning Macros
- Step by Step Condition
- Start Coding - Java
- The New Line - Java
- Data Types - Java
- Taking input - Java
- Learn to Comment - Java
- nextLine and next
- Precise Fomat - Java
- logical Operators - Java
- Bitwise Operators - Java
- Even Odd - Java
- Step by Step Condition - Java
- Count Odd Even
- Need Some Change
- Winner of an election

- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Complement
- Sum Of Prime
- Rank The Permutations
- Excel Sheet | Part - 1
- Maximum Sub Array
- Print Diagonally
- Overlapping Intervals
- Maximum Index
- Equal Sum
- Next Permutation
- 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)
- Egg Dropping Puzzle
- Count of n digit numbers whose sum of digits equals to given sum
- Edit Distance
- Magic Triplets
- 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
- String formation from substring
- Case-specific Sorting of Strings
- Rank of Matrix
- Sum of bit differences
- Subset Sum Problem
- Maximize The Array
- Factorials of large numbers
- Number of Coins
- Minimum Platforms
- Number following a pattern
- Find Prime numbers in a range
- Stock buy and sell
- Largest Number formed from an Array
- Number of paths in a matrix with k coins
- 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
- Concatenation of Zig-Zag String in ‘n’ Rows
- Relative Sorting
- Black and White
- Maximum of all subarrays of size k
- Largest square formed in a matrix
- Row with max 1s
- Boolean Matrix Problem
- Count Integral Points
- Sorting Elements of an Array by Frequency
- Design a tiny URL or URL shortener
- Nuts and Bolts Problem
- Rotate a 2D array without using extra space
- Special Keyboard
- Number of ways
- Dyck Path
- Minimum Cost of ropes
- Sum of Query II
- Form a palindrome
- Inversion of array
- Preorder to Postorder
- Length of the longest substring
- Smallest number on left
- Longest consecutive subsequence
- Largest subsquare surrounded by ‘X’
- Maximum Sum Path in Two Arrays
- Stock span problem
- Convert an array to reduced form
- M-Coloring Problem
- Minimum steps to get desired array
- Subsequence matching
- Dimensions of Rectangle
- Handshakes
- Tic-Tac-Toe
- Palindromic Array
- Betting game
- Is Binary Number Multiple of 3
- Maximum Sum Subsequence of length k
- Preorder Traversal and BST
- Card Rotation
- Jumbled Strings
- Palindromic Strings
- Max possible amount
- Cost of Sweets
- Bleak Numbers
- Super Primes
- Crazy Equations
- Number of pairs
- Smallest Sub-Array
- Coin Piles
- Maximum XOR subset
- Maximum Profit
- Digit multiplier
- Circle of strings
- Nodes at even distance
- Build the smallest
- Your Social Network
- Largest number in K swaps
- Special Matrix
- Minimize the heights
- Lots of Work
- Next larger element
- Composite and Prime
- Taking 1 out of 3 consecutives
- X Total Shapes
- Total Decoding Messages
- Unique BST's
- Distinct Transformations
- Subsets
- Combination Sum
- Combination Sum - Part 2
- Word Break
- Longest Prefix Suffix
- Kth smallest element
- Divisible by 8
- Sum of Subarrays
- Count Divisors of Factorial
- Maximum calorie
- Prime Factors and their Powers
- Find the pattern
- 7 Segment Display
- Longest Common Substring
- Easy Query
- Count Palindrome Sub-Strings of a String
- Rotate and delete
- Negative weight cycle
- Hamiltonian Path
- Count the Number of Full Binary Trees
- Minimums in Array
- Mathematical manipulation
- Snake and Ladder Problem
- Recursively remove all adjacent duplicates
- Shortest Source to Destination Path
- Divisibility tree
- Number of Palindromic paths in a Matrix
- Trie | (Insert and Search)
- Replace O's with X's
- Partition a number into two divisible parts
- Knight Walk
- Find all four sum numbers
- Count of AP Subsequences
- Word Boggle
- Form coils in a matrix
- Max absolute difference
- Print leaf nodes from preorder traversal of BST
- Reverse Delete Algorithm for Minimum Spanning Tree
- Distance of nearest cell having 1
- Is Sudoku Valid
- Find whether path exist
- Largest prime factor
- Check Mirror in N-ary tree
- Unit Area of largest region of 1's
- Rearrange characters
- Express as sum of power of natural numbers
- First non-repeating character in a stream
- Count subsequences of type a^i b^j c^k
- Convex Hull
- Matrix Exponentiation
- Count in array
- 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
- James Bond and Divisors
- Minimum number of steps to reach a given number.
- Floyd Warshall
- Huffman Encoding
- Nearly Sorted Algorithm
- Infix to Postfix
- Optimal binary search tree
- Smallest Absolute Difference
- Geek collects the balls
- Largest Sum Subarray of Size at least K
- Smallest Positive missing number
- Mobile numeric keypad
- Pyramid form
- Maximum sum Rectangle
- Maximum Intervals Overlap
- Word Wrap
- Perfect Sum Problem
- Longest Path in a matrix
- Array Pair Sum Divisibility Problem
- Job Sequencing Problem
- Top k numbers in a stream
- Page Faults in LRU
- Count possible ways to construct buildings
- Firing employees
- Image Multiplication
- N Digit numbers with digits in increasing order
- Rotten Oranges
- Prime factorization and geek number
- Modify array to maximize sum of adjacent differences
- Sisters and coins
- Probability of Knight
- Longest repeating and non-overlapping substring
- Count digit groupings of a number
- CamelCase Pattern Matching
- Longest Common Prefix in an Array
- Minimum cost to fill given weight in a bag
- Steps by Knight
- Median In a Row-Wise sorted Matrix
- Smith Number
- Row with minimum number of 1's
- Numbers with alternative 1's
- Longest common substring value of two numbers
- Coins and Game
- Brackets in Matrix Chain Multiplication
- Matrix Chain Multiplication
- Sum-string
- Pairs of Non Coinciding Points
- Nine Divisors
- A Game of LCM
- Maximum bitonic subarray sum
- Maximum Tip Calculator
- Maximum GCD Pair
- Next higher number in one swap
- Count divisors of product of array elements
- Print N-bit binary numbers having more 1’s than 0’s
- Next higher palindromic number using the same set of digits
- Find the last digit when factorial of A divides factorial of B
- Last two digits of Fibonacci
- Pizza Mania
- Count of Palindromic substrings in an Index range
- Mike and Photographic Memory
- Party in Town
- Lazy Pasha
- Longest subarray with sum divisible by K
- Subarrays with equal 1s and 0s
- Longest Sub-Array with Sum K
- The Tiny Miny
- Marks of PCM
- Pass the semester
- String Conversion
- Nitika and her queries
- Geek and Strings
- Container with most water
- Save Gotham!
- Buying Vegetables
- The Painter's Partition Problem
- Shreyansh and his bits
- Minimum swaps and K together
- Maximize the sum of selected numbers from an array to make it empty
- Find the N-th character
- Large Factorials
- Lucky alive person in a circle
- count special palindromic
- Rat Maze With Multiple Jumps
- Construct binary palindrome by repeated appending and trimming
- Optimal Strategy For A Game
- Reverse a Linked List in groups of given size.
- Delete nodes having greater value on right
- Quick Sort on Linked List
- Count BST nodes that lie in a given range
- Check for BST
- 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
- 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
- Merge K sorted linked lists
- Find the number of islands
- Get minimum element from stack
- Serialize and Deserialize a Binary Tree
- Circular tour
- Wildcard Pattern Matching
- Max rectangle
- Make Binary Tree From Linked List
- Generate IP Addresses
- Check if subtree
- Extreme nodes in alternate order
- Kth element in Matrix
- Clone a Binary Tree
- Remove loop in Linked List
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Max length chain
- Minimum Spanning Tree
- Additive sequence
- Largest BST
- Interleaved Strings
- Sum of permutations
- LRU Cache
- Box Stacking
- Count Palindromic Subsequences
- 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
- Pots of Gold Game
- Delete keys in a Linked list
- Merge two BST 's
- Merge k Sorted Arrays
- Length of longest palindrome in linked list
- Print Nodes having K leaves
- Duplicate subtree in Binary Tree
- Find the missing no in string
- Smallest range in K lists
- k-th smallest element in BST
- Polynomial Addition
- Euler Circuit in a Directed Graph
- Euler circuit and Path
- Binary Tree to CDLL
- Find a pair with given target in BST
- Occurences of 2 as a digit
- Populate Inorder Successor for all nodes
- Construct expression tree
- K-Sum Paths
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Construct tree from Inorder and LevelOrder
- Node at distance
- Mirror of a given node
- Pairs violating BST property
- Maximum path sum from any node
- Leaves to DLL
- Largest Independent Set Problem
- Construct Tree from Preorder Traversal
- Count Number of SubTrees having given Sum
- Path Count in Directed Graph
- Maximum sum of Non-adjacent nodes
- Unique BST's
- Unit Area of largest region of 1's
- Longest consecutive subsequence
- Case-specific Sorting of Strings
- Count ways to N'th Stair(Order does not matter)

- Minimum Points To Reach Destination
- Minimum sum partition
- Head to Tail ordering
- Merge Without Extra Space
- Next Smallest Palindrome
- Find sum of different corresponding bits for all pairs
- Return two prime numbers
- Allocate minimum number of pages
- A Simple Fraction
- Ugly Numbers
- Largest rectangle of 1’s with swapping of columns allowed
- Create your own Calculator
- Number Formation
- Boolean Parenthesization
- Longest valid Parentheses
- Word Break - Part 2
- Minimum Cost Path
- N-Queen Problem
- Strongly connected component (Tarjans's Algo)
- Generalised Fibonacci numbers
- Find median in a stream
- Travelling Salesman Problem
- Max Circular Subarray Sum
- Distinct palindromic substrings
- Longest Zig-Zag Sub Sequence
- Similar expressions
- Convert to Strictly increasing array
- Phone directory
- Numbers with one absolute difference
- Count the subarrays having product less than k
- Bike Racing
- Adventure in a Maze
- Kill Captain America
- Minimum number to make median X
- QuickSort on Doubly Linked List
- Reorder List
- AVL Tree Insertion
- Maximum subset XOR
- AVL Tree Deletion
- Nodes at given distance in binary tree
- Fixing Two nodes of a BST
- Solve the Sudoku