Name

Kaustav Bhattacherjee

Institution

Rank in Institute

#64

Courses Attended

Campus Ambassador

Overall Coding Score: 847

Monthly Coding Score: 0

Weekly Coding Score: 0

- Print Linked List elements
- Count nodes of linked list
- Node at a given index in 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
- Postorder Traversal
- Square root
- Binary Search
- Count zeros in a sorted matrix
- Preorder Traversal
- Search a node in BST
- Minimum element in BST
- Linked List Length Even or Odd?
- Delete Alternate Nodes
- Identical Linked Lists
- Find the Sum of Last N nodes of the Linked List
- Maximum in Struct Array
- Queue Reversal
- Sum of Binary Tree
- Count Non-Leaf Nodes in Tree
- Start Coding
- Stack designer
- Queue Designer
- Searching a number
- Sort The Array
- Pythagorean Triplet
- Sort a String
- Majority Element
- Shortest path from 1 to n
- Rotate Array
- Missing number in array
- Maximum product of two numbers
- Number of paths
- Immediate Smaller Element
- Binary Array Sorting
- Number of occurrence
- k largest elements
- Merge and Sort
- Reverse array in groups
- Minimize the sum of product
- Check if string is rotated by two places
- Does array represent Heap
- Find the element that appears once in sorted array
- Find the smallest and second smallest element in an array
- Sorted matrix
- Count pair sum
- Max Sum Subarray of size K
- Quick Left Rotation
- Remove repeated digits in a given number
- Total number of Strings
- Anagram Palindrome
- Anshuman's Favourite Number
- Merge two strings
- Sort String
- Most frequent word in an array of strings
- Height of Heap

- Reverse a linked list
- Occurence of an integer in a Linked List
- Rotate a Linked List
- Given a linked list of 0s, 1s and 2s, sort it.
- Add two numbers represented by linked lists
- Detect Loop in linked list
- 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
- Merge two sorted linked lists
- Sum Tree
- Transform to Sum Tree
- Intersection of two sorted Linked lists
- Queue using two Stacks
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- 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
- 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
- Leaf at same level
- Is Binary Tree Heap
- Distinct occurrences
- Josephus problem
- Expression Tree
- Check if Linked List is Palindrome
- Kth largest element in BST
- Find duplicates in an array
- Max Level Sum in Binary Tree
- Root to leaf paths sum
- Print Common Nodes in BST
- Level order traversal
- Merge Sort for Linked List
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Level of a Node in Binary Tree
- Sum of leaf nodes in BST
- Maximum path sum
- Counting Sort
- Max and min element in Binary Tree
- Perfect Binary Tree
- Reverse a string using Stack
- Full binary tree
- Symmetric Tree
- Vertical sum
- Count Pairs whose sum is equal to X
- Check if Tree is Isomorphic
- Depth of node
- Maximum Node Level
- Children Sum Parent
- Diagonal Sum In Binary Tree
- Find length of Loop
- Reverse First K elements of Queue
- Remove Half Nodes
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Nodes at Odd Levels
- ZigZag Tree Traversal
- Sum of Leaf Nodes at Min Level
- Tilt of Binary Tree
- Vertical Width of a Binary Tree
- The New Line
- Taking input
- Learn to Comment
- Get min at pop
- Pairwise swap of nodes in LinkeList
- Mother Vertex
- Print adjacency list
- Anagram
- Number of Unique Paths
- Wave Array
- Print Pattern
- Search in a Rotated Array
- Rectangles in N*N Board
- Squares in N*N Chessboard
- Maximize Toys
- Non Repeating Character
- Minimum number of Coins
- Sum of Middle Elements of two sorted arrays
- Good Pairs
- Reverse words in a given string
- Activity Selection
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Finding Number
- Segregate even and odd nodes in a Linked List
- Longest Distinct characters in string
- N meetings in one room
- Maximum sum increasing subsequence
- Array to BST
- Product array puzzle
- Reach the Nth point
- Subarray with given sum
- Leaders in an array
- Count number of hops
- Count pairs with given sum
- Segregate 0s and 1s
- Reach a given score
- Overlapping rectangles
- Minimum element in a sorted and rotated array
- Search in a matrix
- Fibonacci Sum
- Shop in Candy Store
- Largest number possible
- Distinct absolute array elements
- 0 - 1 Knapsack Problem
- Count the Reversals
- Cutted Segments
- Game of Death in a circle
- Equilibrium point
- Min sum formed by digits
- Chocolate Distribution Problem
- Binary Tree K level sum
- Knapsack with Duplicate Items
- Sum of k smallest elements in BST
- Flood fill Algorithm
- Smallest subarray with sum greater than x
- Sum of all substrings of a number
- Minimum Operations
- Increasing Sub Sequence
- Longest Palindromic Subsequence
- K-th element of two sorted Arrays
- Evaluation of Postfix Expression
- Rod Cutting
- Efficiently sorting numbers in range from 0 to n^2 - 1
- Element with left side smaller and right side greater
- Count the paths
- Paths to reach origin
- Second most repeated string in a sequence
- Count all possible paths from top left to bottom right
- Shortest Common Supersequence
- Happiest Triplet
- Toppers Of Class
- Bitonic Generator Sort
- Maximum sum Problem
- Merging two unsorted arrays in sorted order
- Numbers containing 1, 2 and 3
- Non-Repeating Element
- Check if array contains contiguous integers with duplicates allowed
- Maximum height of the staircase
- Winner of an election
- Rope Cutting
- Easy string
- Print Binary Tree levels in sorted order
- Print Bracket Number
- Sorting all array elements except one
- Smallest number with sum of digits as N and divisible by 10^N
- Print adjacency list

- Reverse a Linked List in groups of given size.
- 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
- Flattening a Linked List
- Diagonal Traversal of Binary Tree
- Maximum difference between node and its ancestor
- Print a Binary Tree in Vertical Order
- Find the number of islands
- Clone a Binary Tree
- Remove loop in Linked List
- Count Palindromic Subsequences
- Merge k Sorted Arrays
- Print Nodes having K leaves
- Top View of Binary Tree
- k-th smallest element in BST
- Leftmost and rightmost nodes of binary tree
- Maximum path sum from any node
- Convert Level Order Traversal to BST
- Count Number of SubTrees having given Sum
- C++ Generic sort
- Smallest Positive missing number
- Trapping Rain Water
- Unique BST's
- Unit Area of largest region of 1's
- Sorting Elements of an Array by Frequency
- Longest consecutive subsequence
- Case-specific Sorting of Strings
- Count ways to N'th Stair(Order does not matter)
- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- 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
- Edit Distance
- Magic Triplets
- Count of Subarrays
- Path in Matrix
- Case-specific Sorting of Strings
- Subset Sum Problem
- Minimum Platforms
- Stock buy and sell
- Largest Number formed from an Array
- Longest Palindrome in a String
- Rearrange Array Alternately
- Concatenation of Zig-Zag String in ānā Rows
- Relative Sorting
- Maximum of all subarrays of size k
- Largest square formed in a matrix
- Boolean Matrix Problem
- Sorting Elements of an Array by Frequency
- Special Keyboard
- Number of ways
- Minimum Cost of ropes
- Form a palindrome
- Inversion of array
- Length of the longest substring
- Smallest number on left
- Stock span problem
- Convert an array to reduced form
- Super Primes
- Number of pairs
- Next larger element
- Total Decoding Messages
- Unique BST's
- Word Break
- Kth smallest element
- Longest Common Substring
- Count Palindrome Sub-Strings of a String
- Snake and Ladder Problem
- Shortest Source to Destination Path
- Trie | (Insert and Search)
- Knight Walk
- Find all four sum numbers
- Is Sudoku Valid
- Find whether path exist
- Unit Area of largest region of 1's
- Count subsequences of type a^i b^j c^k
- Water Overflow
- Optimal binary search tree
- Longest Bitonic subsequence
- Maximum Intervals Overlap
- Perfect Sum Problem
- Rotten Oranges
- Longest Common Prefix in an Array
- Minimum cost to fill given weight in a bag
- Steps by Knight
- Count of Palindromic substrings in an Index range
- Marks of PCM
- Container with most water
- Save Gotham!
- Optimal Strategy For A Game