- Sum of array elements
- Reverse an Array
- Factorial
- Palindrome String
- Armstrong Numbers
- Prime Number
- Series AP
- Binary number to decimal number
- Sum of Digit is Pallindrome or not
- nPr
- Binary Array Sorting
- Second Largest
- Reverse digits
- Binary representation
- Check if an array is sorted
- Lower case to upper case
- Find the median
- GCD of two numbers
- Count of smaller elements
- Number of Diagonals
- Upper case conversion
- Print alternate elements of an array

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Courses Attended

Overall Coding Score: 937

Monthly Coding Score: 565

Weekly Coding Score: 0

- LCM And GCD
- GCD of Array
- Searching a number
- Power of 2
- Series GP
- Pythagorean Triplet
- Print the Kth Digit
- Majority Element
- Sieve of Eratosthenes
- Shortest path from 1 to n
- Count possible triangles
- Rotate Array
- Permutations of a given string
- Missing number in array
- Count total set bits
- Number is sparse or not
- Immediate Smaller Element
- Number of occurrence
- k largest elements
- Pairs of prime number
- Find position of set bit
- Sum of all prime numbers between 1 and N.
- Find the Odd Occurence
- Angle between hour and minute hand
- Check if given four points form a square
- Rotating an Array
- Reverse array in groups
- Set Bits
- Count Squares
- Nth Even Fibonacci Number
- Squares in a Matrix
- Sort in specific order
- Check if two arrays are equal or not
- Find first set bit
- Check for subsequence
- Find first repeated character
- 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
- Remove Duplicates from unsorted array
- Uncommon characters
- Find minimum and maximum element in an array
- URLify a given string
- Pair cube count
- Max Sum Subarray of size K
- Check if a string is Isogram or not
- Sort the Half Sorted
- Rightmost different bit
- Toggle bits given range
- Print first n Fibonacci Numbers
- Print Matrix in snake Pattern
- Anagram Palindrome
- Closest Number
- Find k-th character in string
- Good or Bad string
- Merge two strings
- Find the fine
- Sort the string in descending order
- Find the closest number
- Check if strings are rotations of each other or not
- Height of Heap
- Tower of Hanoi
- Heapify elements
- Sum the Alternate Leaf Nodes
- The Hanoi Tower
- Transmutation
- Print Linked List elements
- Count nodes of linked list
- Node at a given index in linked list
- Delete node in Doubly Linked List
- Inorder Traversal
- Bubble Sort
- Count Leaves in Binary Tree
- Selection Sort
- Height of Binary Tree
- Finding middle element in a linked list
- Circular Linked List
- Postorder Traversal
- Implement Stack using Linked List
- Implement stack using array
- Implement Queue using Linked List
- Implement Queue using array
- Square root
- Insert a node in Doubly linked list
- Binary Search
- Remove duplicate elements from sorted Array
- Add two fractions
- Count zeros in a sorted matrix
- Preorder Traversal
- Implement strstr
- Search a node in BST
- Minimum distance between two numbers
- Operating an array
- Linked List Insertion
- Minimum element in BST
- Anagram of String
- Circular Linked List Traversal
- Linked List Length Even or Odd?
- Triplet Family

- Frequency of Array Elements
- Anagram
- Wave Array
- Print Pattern
- Search in a Rotated Array
- Trailing zeroes in factorial
- Non Repeating Character
- Reverse words in a given string
- Activity Selection
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Longest Distinct characters in string
- Count distinct pairs with difference k
- N meetings in one room
- Maximum sum increasing subsequence
- Array to BST
- Facing the sun
- Triangular Number
- Key Pair
- Inversion of array
- Add Binary Strings
- Product array puzzle
- Reverse Bits
- 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
- Count pairs with given sum
- Inorder Traversal and BST
- Triplet Sum in Array
- Overlapping rectangles
- Minimum element in a sorted and rotated array
- Search in a matrix
- Number Of Open Doors
- Day of the week
- Check If two Line segments Intersect
- Missing element of AP
- 0 - 1 Knapsack Problem
- Cutted Segments
- Power of Numbers
- Next larger element
- Perfect Numbers
- Largest number with given sum
- The Nth Fibonnaci
- Equilibrium point
- Floor in a Sorted Array
- Flip Bits
- 3 Divisors
- Circle and Lattice Points
- Help Nobita
- Chocolate Distribution Problem
- Knapsack with Duplicate Items
- Flood fill Algorithm
- Game of XOR
- Find Nth root of M
- Smallest window in a string containing all the characters of another string
- Largest Fibonacci Subsequence
- Longest Palindromic Subsequence
- Fractional Knapsack
- K-th element of two sorted Arrays
- Common elements
- Rod Cutting
- Sequence of Sequence
- Transitive closure of a Graph
- Array Subset of another array
- Karatsuba Algorithm
- Smallest Positive missing number
- Subarray with 0 sum
- Group Anagrams Together
- Find distinct elements
- Stickler Thief
- Maximum Product Cutting
- Power Set
- Count the triplets
- Non-Repeating Element
- Nearest multiple of 10
- Winner of an election where votes are represented as candidate names
- Count pairs Sum in matrices
- Save Ironman
- Sahil loves gfg
- Sahil love good scorer
- Print adjacency list
- Pair with given sum in a sorted array
- Alternating elements
- Weigh the strings
- Adjacent Equal
- Out the Kth
- K Frequent
- Prime Sum
- Column with Minimum Difference
- Game of Function
- Check the Brackets
- Power of Number
- Index of Left
- Safe breakpoints
- The XOR Game
- Design a Queue
- K Sum
- Count Islands
- Vertical Order Tree
- The_Sum_Array
- Greatest Digital Root
- Maximum Integer Value
- Shatter the Cycle
- Reverse a linked list
- Delete N nodes after M nodes of 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
- 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
- Insertion Sort
- Merge Sort
- Quick Sort
- Right View of Binary Tree
- Mirror Tree
- Diameter of Binary Tree
- Check for Balanced Tree
- Heap Sort
- N
^{th}node from end of linked list - Left View of Binary Tree
- Merge two sorted linked lists
- Intersection of two sorted Linked lists
- Find Transition Point
- Queue using two Stacks
- Remove duplicate element from sorted Linked List
- Stack using two queues
- Reverse Level Order Traversal
- DFS of Graph
- Insert a node in a BST
- BFS of graph
- Lowest Common Ancestor in a Binary Tree
- Lowest Common Ancestor in a BST
- Implement two stacks in an array
- Operations on Binary Min Heap
- Max sum path in two arrays
- Largest subarray of 0's and 1's
- Level order traversal Line by Line
- Unique rows in boolean matrix
- Remove every k'th node
- Multiply two linked lists
- Sorted subsequence of size 3
- Josephus problem
- Check if Linked List is Palindrome
- Longest Consecutive Subsequence
- Delete a Node in Single Linked List
- Find duplicates in an array
- Count distinct elements in every window
- Check if two strings are k-anagrams or not
- Special Stack
- Three way partitioning
- Peak element
- Merge Sort for Linked List
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Maximum path sum
- XOR Linked List
- Reverse a string using Stack
- Triplet with 0 sum in BST
- Huffman Decoding-1
- Insert in Sorted way in a Sorted DLL
- Predecessor and Successor
- Children Sum Parent
- Find length of Loop
- Deletion and Reverse in Linked List
- Median of BST
- Normal BST to Balanced BST
- Linked List Matrix
- Reverse First K elements of Queue
- Closest Neighbor in BST
- ZigZag Tree Traversal
- Rotate doubly Linked List by P nodes
- Convert To Doubly

- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Maximum Sub Array
- Maximum Index
- 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
- nCr
- Longest Span with same Sum in two Binary arrays
- Consecutive 1's not allowed
- Trapping Rain Water
- Minimum Platforms
- Stock buy and sell
- 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
- Boolean Matrix Problem
- Sorting Elements of an Array by Frequency
- Nuts and Bolts Problem
- Special Keyboard
- Preorder to Postorder
- Stock span problem
- M-Coloring Problem
- Handshakes
- Is Binary Number Multiple of 3
- Largest number in K swaps
- Minimize the heights
- Total Decoding Messages
- Unique BST's
- Subsets
- Combination Sum
- Combination Sum - Part 2
- Word Break
- Snake and Ladder Problem
- Recursively remove all adjacent duplicates
- Shortest Source to Destination Path
- Trie | (Insert and Search)
- Knight Walk
- Find all four sum numbers
- Word Boggle
- Print leaf nodes from preorder traversal of BST
- Is Sudoku Valid
- Find whether path exist
- Largest prime factor
- First non-repeating character in a stream
- Convex Hull
- K
^{th}largest element in a stream - Water Overflow
- Magnet Array Problem
- Nearly Sorted Algorithm
- Longest Bitonic subsequence
- Job Sequencing Problem
- Rotten Oranges
- Median In a Row-Wise sorted Matrix
- In First But Second
- Row with minimum number of 1's
- Coins and Game
- Brackets in Matrix Chain Multiplication
- Maximum Tip Calculator
- Last two digits of Fibonacci
- Longest subarray with sum divisible by K
- Longest Sub-Array with Sum K
- The Painter's Partition Problem
- Rat Maze With Multiple Jumps
- The Game of Digits
- Pattern Matcher
- Ups and Downs
- Pick the one
- Unknown Sort
- Count Students
- One in the Matrix
- Reach top of stair
- Last K element
- Students in limelight
- Flip and Add
- Binary Divisibilty
- Unit Digit
- Lost in a Maze
- Jumping the Subtree
- K
^{th}Maximum element of Max-Heap - Reverse a Linked List in groups of given size.
- Count BST nodes that lie in a given range
- Check for BST
- Tree from Postorder and Inorder
- 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
- Boundary Traversal of binary tree
- Delete a node from BST
- Detect cycle in a directed graph
- Detect cycle in an undirected graph
- The Celebrity Problem
- Topological sort
- Serialize and Deserialize a Binary Tree
- Circular tour
- Wildcard Pattern Matching
- Remove loop in Linked List
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Max length chain
- Minimum Spanning Tree
- Largest BST
- Interleaved Strings
- Box Stacking
- Multiply two strings
- Strongly Connected Components (Kosaraju's Algo)
- Bipartite Graph
- Merge two BST 's
- Trie | (Delete)
- Merge k Sorted Arrays
- Polynomial Addition
- Merge Sort on Doubly Linked List
- Binary Tree to CDLL
- Find a pair with given target in BST
- Leaves to DLL
- Convert Level Order Traversal to BST

- Minimum sum partition
- A Simple Fraction
- Longest valid Parentheses
- Minimum Cost Path
- Solve the Sudoku
- Find median in a stream
- SPP - Jumping the Subtree
- The great one
- Longest Substring
- Add the Triangles
- Smaller on Left
- Maximum Simultaneous Difference
- QuickSort on Doubly Linked List
- Reorder List
- Longest Palindromic Substring in Linear Time
- Fixing Two nodes of a BST