Name

Arighna Chakrabarty

Rank in Institute

#36

Campus Ambassador

Other Profile Link

Overall Coding Score: 862

Monthly Coding Score: 0

Weekly Coding Score: 0

- Number of Unique Paths
- Count Occurences of Anagrams
- Finding Position
- Maximum sum increasing subsequence
- Swap bits
- Adjacents are not allowed
- Swap all odd and even bits
- Count number of hops
- Triplet Sum in Array
- Reach a given score
- Possible paths
- 0 - 1 Knapsack Problem
- Skip the work
- Cutted Segments
- Power of Numbers
- Count number of substrings
- Letter Writer
- Finding the numbers
- Collecting Trees
- Lucas Number
- Largest Even Number
- Maximum Sum Bitonic Subsequence
- Knapsack with Duplicate Items
- Friends Pairing Problem
- Minimum Operations
- Largest zigzag sequence
- Palindromic patitioning
- Meta Strings
- Temple Offerings
- Increasing Sub Sequence
- Longest Palindromic Subsequence
- Rod Cutting
- Two numbers with odd occurrences
- Paths to reach origin
- Get Minimum Squares
- Nth catalan number
- Count all possible paths from top left to bottom right
- Minimum Deletions
- Shortest Common Supersequence
- Minimum insertions to sort an array
- Minimum number of deletions to make a sorted sequence
- Longest alternating subsequence
- Count of strings that can be formed using a, b and c under given constraints
- Count binary strings
- Maximum sum Problem
- Printing Maximum Sum Increasing Subsequence
- High-effort vs. Low-effort
- Longest Repeating Subsequence
- Stickler Thief
- Maximum difference of zeros and ones in binary string
- Arya and The Great War
- Mystic Falls School
- Count ways to express N as the sum of 1,3 and 4
- Counts Zeros Xor Pairs
- Minimal moves to form a string
- Diameter of Binary Tree
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- BFS of graph
- Root to leaf path sum
- Distinct occurrences
- Longest Consecutive Subsequence
- Minimum four sum subsequence
- Level order traversal
- Maximum path sum
- Sum of Left Leaf Nodes
- Xoring and Clearing - Java

- Coin Change
- Kadane's Algorithm
- Overlapping Intervals
- Longest Increasing Subsequence
- 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
- nCr
- Maximum Rectangular Area in a Histogram
- Consecutive 1's not allowed
- Count of Subarrays
- Path in Matrix
- Trapping Rain Water
- Sum of bit differences
- Subset Sum Problem
- Number of Coins
- Minimum Platforms
- Stock buy and sell
- Largest Number formed from an Array
- Number of paths in a matrix with k coins
- Longest Palindrome in a String
- Maximum of all subarrays of size k
- Largest square formed in a matrix
- Sorting Elements of an Array by Frequency
- Nuts and Bolts Problem
- Special Keyboard
- Number of ways
- Power of Largest Prime
- Form a palindrome
- Longest consecutive subsequence
- Largest subsquare surrounded by ‘X’
- Handshakes
- Is Binary Number Multiple of 3
- Distributing Balls
- Maximum Sum Subsequence of length k
- Longest Arithmetic Progression
- Subsets with XOR value
- Jumbled Strings
- Palindromic Strings
- Max possible amount
- Bleak Numbers
- Product of Primes
- Maximum XOR subset
- Minimum sum
- Queries on Strings
- Special Matrix
- Total Decoding Messages
- Unique BST's
- Distinct Transformations
- Combination Sum
- Combination Sum - Part 2
- Word Break
- Kth smallest element
- Maximum calorie
- 7 Segment Display
- Longest Common Substring
- Negative weight cycle
- Sonam Bewafa asks questions
- Recursively remove all adjacent duplicates
- Tricky Subset Problem
- Number of Palindromic paths in a Matrix
- Replace O's with X's
- Knight Walk
- Substring - Subsequence problem
- Print leaf nodes from preorder traversal of BST
- Express as sum of power of natural numbers
- Count subsequences of type a^i b^j c^k
- Matrix Exponentiation
- Count in array
- Zero Sum Subarrays
- Smallest window in a string containing all the characters of another string
- Smallest distinct window
- Minimum number of steps to reach a given number.
- Floyd Warshall
- Nearly Sorted Algorithm
- Geek collects the balls
- Smallest Positive missing number
- Longest Bitonic subsequence
- Mobile numeric keypad
- Little Murph and knots
- Pyramid form
- Maximum sum Rectangle
- Minimum Time
- Word Wrap
- Perfect Sum Problem
- Longest Path in a matrix
- Number of palindromic strings
- Count possible ways to construct buildings
- Min cut Square
- N Digit numbers with digits in increasing order
- Modify array to maximize sum of adjacent differences
- Sisters and coins
- Probability of Knight
- LCS of three strings
- Minimum cost to fill given weight in a bag
- Count even length
- Steps by Knight
- Brackets in Matrix Chain Multiplication
- Matrix Chain Multiplication
- Sum-string
- Maximum bitonic subarray sum
- Maximum Tip Calculator
- Recurrence Matrix
- Print N-bit binary numbers having more 1’s than 0’s
- Pizza Mania
- Lazy Pasha
- Sick Pasha
- Beautiful SubSequence
- Big Numbers Series
- Sum of XOR of all pairs
- Pass the semester
- String Conversion
- Nitika and her queries
- Save Gotham!
- Buying Vegetables
- Shreyansh and his bits
- Lucky alive person in a circle
- Smaller on Left
- A difference of values and indexes
- Optimal Strategy For A Game
- Detect cycle in a directed graph
- Detect cycle in an undirected graph
- Wildcard Pattern Matching
- Max rectangle
- Max length chain
- Additive sequence
- Interleaved Strings
- Sum of permutations
- Box Stacking
- Count Palindromic Subsequences
- Strongly Connected Components (Kosaraju's Algo)
- Rat in a Maze Problem
- Max sum subarray by removing at most one element
- Pots of Gold Game
- K-Sum Paths
- Largest Independent Set Problem
- Count Number of SubTrees having given Sum
- Unique BST's
- Sorting Elements of an Array by Frequency
- Count ways to N'th Stair(Order does not matter)

- Minimum Points To Reach Destination
- Minimum sum partition
- Find sum of different corresponding bits for all pairs
- Ugly Numbers
- Number Formation
- Boolean Parenthesization
- Word Break - Part 2
- Print all LCS sequences
- Minimum Cost Path
- N-Queen Problem
- Find median in a stream
- Max Circular Subarray Sum
- Minimum number of elements
- Longest Zig-Zag Sub Sequence
- Convert to Strictly increasing array
- Count the subarrays having product less than k
- Queries on a Matrix
- Adventure in a Maze
- Doctor Strange
- Kill Captain America
- Maximum subset XOR