- Binary String
- LCM And GCD
- GCD of Array
- Power of 2
- Series GP
- Sort The Array
- Pythagorean Triplet
- Nth Fibonacci Number
- Weird Number
- Print the Kth Digit
- Doubling the value
- Majority Element
- Count possible triangles
- Rotate Array
- Missing number in array
- Segregate Even and Odd numbers
- Count total set bits
- Bit Difference
- Union of two arrays
- Number of occurrence
- k largest elements
- Check if a number is power of another number
- Find position of set bit
- Maximum money
- Ways To Tile A Floor
- Generate Binary Numbers
- Find the Odd Occurence
- The AND Gate
- The OR Gate
- Set Bits
- Missing number
- Replace the Bit
- Invert the Bits
- Find first set bit
- Check for subsequence
- Check set bits
- Closest Number
- Series X1
- Difference series
- Power of Four
- Delete node in Doubly Linked List
- Size of Binary Tree
- Inorder Traversal
- Count Leaves in Binary Tree
- Height of Binary Tree
- Finding middle element in a linked list
- Implement stack using array
- Implement Queue using Linked List
- Implement Queue using array
- Insert a node in Doubly linked list
- Remove duplicate elements from sorted Array
- Add two fractions
- Replace all 0's with 5
- C++ STL | Set 8 (unordered set)
- Implement Atoi
- Minimum distance between two numbers
- Minimum element in BST
- Anagram of String
- Circular Linked List Traversal
- Delete Alternate Nodes
- Identical Linked Lists
- longest substring containing '1'
- Start Coding
- logical Operators
- Map Operations
- Sum Array Puzzle

Name

Amit Kushwaha

Institution

Rank in Institute

#2

Courses Attended

Campus Ambassador

Overall Coding Score: 1743

Monthly Coding Score: 0

Weekly Coding Score: 0

- Anagram
- Number of Unique Paths
- Wave Array
- Print Pattern
- Rotation
- Search in a Rotated Array
- Rectangles in N*N Board
- Squares in N*N Chessboard
- Trailing zeroes in factorial
- Non Repeating Character
- Sum of Middle Elements of two sorted arrays
- Reverse words in a given string
- Check if a given string is a rotation of a palindrome
- Move all zeroes to end of array
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Two numbers with sum closest to zero
- Finding Number
- Maximum value in a bitonic array
- Next greater number set digits
- Amount of Water
- Single Number
- Segregate even and odd nodes in a Linked List
- Count increasing Subarrays
- Element that appears once where every element occurs twice
- Longest Distinct characters in string
- Replace by X
- Kth distance
- Maximum sum increasing subsequence
- Array to BST
- Sum of two numbers represented as arrays
- Max Sum without Adjacents
- Key Pair
- Product array puzzle
- Length Unsorted Subarray
- Count Smaller elements
- Reach the Nth point
- Subarray with given sum
- Adjacents are not allowed
- Leaders in an array
- Swap all odd and even bits
- Count number of hops
- Equal to product
- Count pairs with given sum
- Inorder Traversal and BST
- Number of Days
- Triplet Sum in Array
- Two Repeated Elements
- Reach a given score
- Search in a matrix
- Number Of Open Doors
- Faithful Numbers
- Chinky and diamonds
- Shop in Candy Store
- Missing element of AP
- Count the Zeros
- 0 - 1 Knapsack Problem
- Find the number of sub-arrays having even sum
- Valid Substring
- Count the Reversals
- Tom and Jerry
- Cutted Segments
- Smallest number subset
- Number that are not divisible
- Game of Death in a circle
- Class Average
- Count digits in a factorial
- Change Bits
- Product of two digit numbers
- Element appearing once
- Equilibrium point
- Floor in a Sorted Array
- Max value
- Flip Bits
- Collecting Trees
- Happy Number
- Adding Ones
- Circle and Lattice Points
- Count Pairs in an Array
- Sum of elements between k1'th and k2'th smallest elements
- Min sum formed by digits
- Move all negative elements to end
- Binary Tree K level sum
- Exit Point in a Matrix
- 1[0]1 Pattern Count
- Sum of k smallest elements in BST
- A Game of 2
- Flood fill Algorithm
- Friends Pairing Problem
- Decode the string
- Gold Mine Problem
- Recaman’s sequence
- Minimum Operations
- Find all pairs with a given sum
- Shortest distance in infinite tree
- Longest Palindromic Subsequence
- K-th element of two sorted Arrays
- Evaluation of Postfix Expression
- Common elements
- Recursive sequence
- Fill array with 1's
- Element with left side smaller and right side greater
- Two numbers with odd occurrences
- Array Subset of another array
- First negative integer in every window of size k
- Game with String
- Paths to reach origin
- Get Minimum Squares
- Nth catalan number
- Group Anagrams Together
- Sum equals to Sum
- Count all possible paths from top left to bottom right
- Mr Modulo and Pairs
- Sort by Absolute Difference
- Number of Groups
- Swapping pairs make sum equal
- Minimum insertions to sort an array
- Minimum number of deletions to make a sorted sequence
- Minimum steps to minimize n as per given condition
- Count of strings that can be formed using a, b and c under given constraints
- Minimum indexed character
- Query and Array
- Special Numbers
- Find the minimum time
- Maximize XOR
- Prime number of set bits
- Pairs with Positive Negative values
- Summed Matrix
- Fact Digit Sum
- Find the maximum number of handshakes
- Closing bracket index
- Number of pairs with maximum sum
- Roof Top
- Pairs which are Divisible by 4
- Find winner of the Game of Nim
- Sum of all divisors from 1 to n
- Maximum distinct elements after removing K elements
- Maximum difference of zeros and ones in binary string
- Arya and The Great War
- Mystic Falls School
- Find out the Team
- Swap the closest and farthest digits
- Nearest multiple of 10
- Remove leading zeros from an IP address
- Check if array contains contiguous integers with duplicates allowed
- Ease the Array
- Pair the minimum
- Counts Zeros Xor Pairs
- Ishaan and Sticks
- Akaash's Assignment
- Common Divisor
- Print all bitwise subsets of a number N
- Longest substring with equal number of 0s and 1s
- Holi Balloons
- The Fastest Method
- Ishaan's Curiosity
- LCS of '0' K Repeated String
- Print Bracket Number
- Anand's Maths question
- The Bit Game
- Save Ironman
- XOR Cipher
- Reverse 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
- Linked List in Zig-Zag fashion
- 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
- Nth node from end of linked list
- Left View of Binary Tree
- Merge two sorted linked lists
- Sum Tree
- Decimal Equivalent of Binary Linked List
- Transform to Sum Tree
- Intersection of two sorted Linked lists
- Find Transition Point
- Queue using two Stacks
- Remove duplicate element from sorted Linked List
- 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
- Postorder traversal from given Inorder and Preorder traversals
- Absolute List Sorting
- 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
- Josephus problem
- Expression Tree
- Check if Linked List is Palindrome
- Max distance between same elements
- Longest Consecutive Subsequence
- Generate Grey Code Sequences
- Check whether BST contains Dead End
- 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
- Sort a stack
- Print Common Nodes in BST
- Level order traversal
- Peak element
- Inorder Successor in BST
- Delete nodes greater than k
- Index Of an Extra Element
- Merge Sort for Linked List
- Sum of given range
- Convert Ternary Expression to Binary Tree
- Intersection of Two Linked Lists
- Insert in a Sorted List
- 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
- Max and min element in Binary Tree
- Perfect Binary Tree
- Counting elements in two arrays
- Linked List that is Sorted Alternatingly
- Full binary tree
- Modify Linked List-1
- Triplet with 0 sum in BST
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Vertical sum
- Count Pairs whose sum is equal to X
- Check if Tree is Isomorphic
- Maximum Node Level
- Children Sum Parent
- Diagonal Sum In Binary Tree
- Find length of Loop
- Change of Key in BST
- Median of BST
- Normal BST to Balanced BST
- Leaf under budget
- 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
- Sum of the Longest Bloodline of a Tree
- Kth Ancestor in a Tree
- Check if two Nodes are Cousins
- ZigZag Tree Traversal
- Sum of Leaf Nodes at Min Level
- Delete middle element of a stack
- 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
- Count Odd Even
- Need Some Change
- Count the Specials
- Matrix Interchange
- Predict the Column
- Xoring and Clearing
- Multimap Operations

- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Complement
- 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
- nCr
- Maximum Rectangular Area in a Histogram
- Consecutive 1's not allowed
- Count of Subarrays
- Path in Matrix
- Trapping Rain Water
- String formation from substring
- Case-specific Sorting of Strings
- 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
- 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
- Design a tiny URL or URL shortener
- Nuts and Bolts Problem
- Rotate a 2D array without using extra space
- Number of ways
- Minimum Cost of ropes
- Sum of Query II
- Form a palindrome
- Inversion of array
- Preorder to Postorder
- Smallest number on left
- Longest consecutive subsequence
- Stock span problem
- Convert an array to reduced form
- Minimum steps to get desired array
- Dimensions of Rectangle
- Handshakes
- Tic-Tac-Toe
- Number to words
- Palindromic Array
- Is Binary Number Multiple of 3
- Possible groups
- Preorder Traversal and BST
- Card Rotation
- Bleak Numbers
- Product of Primes
- Maximum Profit
- Minimize the heights
- Next larger element
- Composite and Prime
- Taking 1 out of 3 consecutives
- X Total Shapes
- Total Decoding Messages
- Unique BST's
- Word Break
- Longest Prefix Suffix
- Kth smallest element
- Divisible by 8
- Count Divisors of Factorial
- Prime Factors and their Powers
- Longest Common Substring
- Rotate and delete
- Minimums in Array
- Snake and Ladder Problem
- Recursively remove all adjacent duplicates
- Shortest Source to Destination Path
- Trie | (Insert and Search)
- Replace O's with X's
- Knight Walk
- Find all four sum numbers
- Word Boggle
- Max absolute difference
- Print leaf nodes from preorder traversal of BST
- 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
- First non-repeating character in a stream
- Kth Smallest Factor
- 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 distinct window
- Nearly Sorted Algorithm
- Infix to Postfix
- Smallest Absolute Difference
- Geek collects the balls
- Smallest Positive missing number
- Longest Bitonic subsequence
- Maximum sum Rectangle
- Maximum Intervals Overlap
- Perfect Sum Problem
- Longest Path in a matrix
- Array Pair Sum Divisibility Problem
- Top k numbers in a stream
- Rotten Oranges
- Minimum cost to fill given weight in a bag
- Count even length
- Steps by Knight
- Median In a Row-Wise sorted Matrix
- In First But Second
- Pairs of Non Coinciding Points
- Nine Divisors
- A Game of LCM
- Carmichael Numbers
- Maximum bitonic subarray sum
- Maximum Tip Calculator
- Print N-bit binary numbers having more 1’s than 0’s
- Challenge by Nikitasha
- Santa Banta
- The Tiny Miny
- Big Numbers Series
- Sum of XOR of all pairs
- String Conversion
- Nitika and her queries
- Save Gotham!
- Buying Vegetables
- The Painter's Partition Problem
- Shreyansh and his bits
- 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
- Construct binary palindrome by repeated appending and trimming
- 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
- 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
- Range Minimum Query
- Topological sort
- Print a Binary Tree in Vertical Order
- Merge K sorted linked lists
- Find the number of islands
- 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
- Clone a Binary Tree
- Remove loop in Linked List
- Max length chain
- Largest BST
- Interleaved Strings
- Sum of permutations
- LRU Cache
- Minimum Swaps to Sort
- Rat in a Maze Problem
- Bipartite Graph
- 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
- Smallest range in K lists
- k-th smallest element in BST
- Polynomial Addition
- Merge Sort on Doubly Linked List
- Binary Tree to CDLL
- Find a pair with given target in BST
- Count Element Occurences
- Complete Binary Tree
- 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
- Pairs violating BST property
- Right Sibling in Binary Tree
- Construct Tree from Preorder Traversal
- Construct a Full Binary Tree
- Convert Level Order Traversal to BST
- Count Number of SubTrees having given Sum
- Largest Sum Contiguous Subarray in Range
- C++ Friend function
- C++ Generic sort

- Minimum Points To Reach Destination
- Minimum sum partition
- Maximum of minimum for every window size
- Merge Two Sorted Arrays
- 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
- Number Formation
- Longest valid Parentheses
- Word Break - Part 2
- Minimum Cost Path
- N-Queen Problem
- Solve the Sudoku
- Find median in a stream
- Travelling Salesman Problem
- Convert to Strictly increasing array
- Closest Palindrome
- QuickSort on Doubly Linked List
- Reorder List
- Binary Tree to DLL
- Alien Dictionary
- Nodes at given distance in binary tree
- Fixing Two nodes of a BST