- Finding middle element in a linked list
- Consecutive elements
- GCD of Array
- Majority Element
- Array of alternate +ve and -ve no.s
- Greater on right side
- Number of occurrence
- Maximum repeating number
- Index of first 1 in a sorted array of 0’s and 1’s
- Find the element that appears once in sorted array
- Check whether K-th bit is set or not
- Extract Maximum
- Find the Highest number
- Gray Code

Name

Alind Gupta

Institution

Rank in Institute

#167

Courses Attended

Campus Ambassador

Other Profile Link

Overall Coding Score: 674

Monthly Coding Score: 0

Weekly Coding Score: 0

- Binary Tree to BST
- Is Binary Tree Heap
- Unique rows in boolean matrix
- Reverse a linked list
- Check if Linked List is Palindrome
- Check whether BST contains Dead End
- Kth largest element in BST
- Count distinct elements in every window
- Sort a stack
- Union of Two Linked Lists
- Sum of leaf nodes in BST
- Children Sum Parent
- Find length of Loop
- Median of BST
- Reverse First K elements of Queue
- ZigZag Tree Traversal
- Sum of Leaf Nodes at Min Level
- Tilt of Binary Tree
- Check for Balanced Tree
- Left View of Binary Tree
- Nth node from end of linked list
- Largest subarray with 0 sum
- DFS of Graph
- BFS of graph
- Determine if Two Trees are Identical
- Diameter of Binary Tree
- Root to leaf path sum
- Maximum Width of Tree
- K distance from root
- Print BST elements in given range
- Merge 2 sorted linked list in reverse order
- Number of Unique Paths
- Pattern Searching
- Rotation
- Search in a Rotated Array
- Maximize Toys
- Non Repeating Character
- Sum of Middle Elements of two sorted arrays
- First Repeating Element
- Move all zeroes to end of array
- Activity Selection
- Remove “b” and “ac” from a given string
- Sort an array of 0s, 1s and 2s
- Two numbers with sum closest to zero
- Next greater number set digits
- Finding Position
- Single Number
- Element that appears once where every element occurs twice
- Longest Distinct characters in string
- Column name from a given column number
- Maximum Product Subarray
- Maximum sum increasing subsequence
- Key Pair
- Maximum Difference
- 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
- Three Great Candidates
- Reach a given score
- Possible paths
- Minimum element in a sorted and rotated array
- 0 - 1 Knapsack Problem
- Longest Common Increasing Subsequence
- Perfect Numbers
- Permutation with Spaces
- Equilibrium point
- Floor in a Sorted Array
- Buildings receiving sunlight
- RegEx matching
- Max value
- Optimal walk
- Collecting Trees
- Chocolate Distribution Problem
- Knapsack with Duplicate Items
- Flood fill Algorithm
- Decode the string
- Gold Mine Problem
- Find largest word in dictionary
- Love For The Twins
- Largest zigzag sequence
- Numbers with same first and last digit
- Largest Fibonacci Subsequence
- Longest Palindromic Subsequence
- Evaluation of Postfix Expression
- Rod Cutting
- First negative integer in every window of size k
- Merge two binary Max heaps
- Subarray with 0 sum
- Group Anagrams Together
- Find Pair Given Difference
- Second most repeated string in a sequence
- Shortest Common Supersequence
- Sort the given array after applying the given equation
- Rearrange a string
- Minimum Number in a sorted rotated array
- Sub-Array sum divisible by K
- Subset with sum divisible by m
- Count of strings that can be formed using a, b and c under given constraints
- Minimum indexed character
- Stickler Thief
- Even and odd elements at even and odd positions
- Chocolate Station
- Star elements
- Check if a Integer is power of 8 or not
- Pairs with Positive Negative values
- Arya and The Great War
- Nearest multiple of 10
- Check if array contains contiguous integers with duplicates allowed
- Maximum height of the staircase
- Ease the Array
- Print Binary Tree levels in sorted order
- Print Bracket Number
- Smallest number with sum of digits as N and divisible by 10^N
- Smallest greater elements in whole array
- Eulerian Path in an Undirected Graph
- Print adjacency list

- Diagonal Traversal of Binary Tree
- Maximum path sum from any node
- Mirror of a given node
- Leftmost and rightmost nodes of binary tree
- Check for BST
- Count BST nodes that lie in a given range
- Find a pair with given target in BST
- Euler circuit and Path
- k-th smallest element in BST
- Delete keys in a Linked list
- Delete a node from BST
- Find the Closest Element in BST
- Number of root to leaf paths
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Check if subtree
- Wildcard Pattern Matching
- Maximum difference between node and its ancestor
- Find the number of islands
- Topological sort
- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Longest Common Subsequence
- Minimum number of jumps
- Egg Dropping Puzzle
- Edit Distance
- Maximum Rectangular Area in a Histogram
- Longest Even Length Substring
- Path in Matrix
- Trapping Rain Water
- Sum of bit differences
- Subset Sum Problem
- Factorials of large numbers
- Number of Coins
- Possible words from Phone digits
- Jumping Numbers
- Relative Sorting
- Black and White
- Maximum of all subarrays of size k
- Largest square formed in a matrix
- Row with max 1s
- Sorting Elements of an Array by Frequency
- Design a tiny URL or URL shortener
- Nuts and Bolts Problem
- Special Keyboard
- Number of ways
- Sum of Query II
- Form a palindrome
- Inversion of array
- Longest consecutive subsequence
- Stock span problem
- Convert an array to reduced form
- M-Coloring Problem
- Palindromic Array
- Betting game
- Is Binary Number Multiple of 3
- Preorder Traversal and BST
- Longest Arithmetic Progression
- Max possible amount
- Bleak Numbers
- Maximum XOR subset
- Maximum Profit
- Largest number in K swaps
- Next larger element
- X Total Shapes
- Total Decoding Messages
- Subsets
- Combination Sum
- Kth smallest element
- Divisible by 8
- Prime Factors and their Powers
- Count Palindrome Sub-Strings of a String
- Negative weight cycle
- Count the Number of Full Binary Trees
- Snake and Ladder Problem
- Shortest Source to Destination Path
- Trie | (Insert and Search)
- Replace O's with X's
- Find whether path exist
- Unit Area of largest region of 1's
- First non-repeating character in a stream
- K
^{th}largest element in a stream - Smallest distinct window
- Floyd Warshall
- Nearly Sorted Algorithm
- Largest Sum Subarray of Size at least K
- Longest Bitonic subsequence
- Mobile numeric keypad
- Perfect Sum Problem
- Array Pair Sum Divisibility Problem
- Rotten Oranges
- Modify array to maximize sum of adjacent differences
- Probability of Knight
- In First But Second
- Maximum Tip Calculator
- Last two digits of Fibonacci
- Grouping Of Numbers
- Container with most water