- Replace all 0's with 5
- Print 1 To N Without Loop
- Reverse an Array
- Alone in couple
- Palindrome String
- Armstrong Numbers
- Series AP
- Binary number to decimal number
- Sum of Digit is Pallindrome or not
- nPr
- Value equal to index value
- Second Largest
- Reverse digits
- Binary representation
- Palindrome
- Find the median
- At least two greater elements
- Reverse a String
- C++ Hello World
- GCD of two numbers
- Count type of Characters
- C++ Input / Output

**Currently practice data is being synced. Please try after sometime.

Name

Institute

Motilal Nehru National Institute of Technology, Allahabad (MNNITA)

Courses Attended

Overall Coding Score: 781

Monthly Coding Score: 0

Weekly Coding Score: 0

- Count nodes of linked list
- Node at a given index in linked list
- Inorder Traversal
- Bubble Sort
- Count Leaves in Binary Tree
- Height of Binary Tree
- Finding middle element in a linked list
- Postorder Traversal
- Implement Stack using Linked List
- Implement stack using array
- Implement Queue using Linked List
- Implement Queue using array
- Square root
- Doubly linked list Insertion
- Binary Search
- Remove duplicate elements from sorted Array
- Add two fractions
- Preorder Traversal
- Implement strstr
- C++ STL | Set 1 (vector)
- Implement Atoi
- Find triplets with zero sum
- Linked List Insertion
- Minimum element in BST
- Delete Alternate Nodes
- Identical Linked Lists
- Queue Reversal
- Insert in Middle of Linked List
- Who has the majority?
- Strongest Neighbour
- Array insert at index
- Array insert at end
- Reversing an Array
- Operations on Stack
- Operations on Queue
- Absolute Value
- Convert Celsius To Fahrenheit
- Check whether K-th bit is set or not
- Quadratic Equation Roots
- Count total set bits
- Bit Difference
- Number is sparse or not
- Gray Code
- Gray to Binary equivalent
- Power of 2
- Tower Of Hanoi
- Reverse array in groups
- Rotate Array
- Search an Element in an array
- Searching an element in a sorted array
- Majority Element
- Left Index
- Binary Array Sorting
- Count possible triangles
- Adding two matrices
- Sum of upper and lower triangles
- Multiply the matrices
- Print Matrix in snake Pattern
- Transpose of Matrix
- Rotate by 90 degree
- Determinant of a Matrix
- Check if a string is Isogram or not
- Binary String
- Check if string is rotated by two places
- Check if strings are rotations of each other or not
- Maximum Occuring Character
- Remove common characters and concatenate
- Sum of numbers in string
- Repeating Character - First Appearance Leftmost
- Generate Binary Numbers
- Sum of Digits of a Number
- Power Using Recursion
- Fibonacci Using Recursion
- Addition Under Modulo
- Multiplication Under Modulo
- Search an Element in an array
- Consecutive elements
- Factorial
- Prime Number
- LCM And GCD
- GCD of Array
- Repetitive Addition Of Digits
- 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
- Rotate Array
- Permutations of a given string
- Check if the number is Fibonacci
- Missing number in array
- Number of paths
- Count total set bits
- Number is sparse or not
- Immediate Smaller Element
- Intersection of two arrays
- Union of two arrays
- Remove character
- Number of occurrence
- Minimum difference pair
- Check if a number is power of another number
- Sum of all prime numbers between 1 and N.
- Maximum money
- Generate Binary Numbers
- Count the numbers
- Angle between hour and minute hand
- Keypad typing
- Rotating an Array
- Searching an element in a sorted array
- Rotate by 90 degree
- Reverse array in groups
- Set Bits
- Squares in a Matrix
- Find first and last occurrence of x
- Sort in specific order
- Check if two arrays are equal or not
- Find first set bit
- Find the element that appears once in sorted array
- Print an array in Pendulum Arrangement
- Check whether K-th bit is set or not
- Remove Duplicates from unsorted array
- Pair cube count
- Rightmost different bit
- Quick Left Rotation
- Toggle bits given range
- Twice counter
- Odd to Even
- Minimum Distinct Ids
- Closest Number
- Absolute Difference of 1
- Find the fine
- Find the closest number
- Remove consonants from a string
- Gray Code
- Gray to Binary equivalent

- Reverse a linked list
- Occurence of an integer in 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
- Detect Loop in linked list
- Remove duplicates from an unsorted linked list
- Reverse a Doubly Linked List
- Insertion Sort
- Quick Sort
- Right View of Binary Tree
- 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
- Transform to Sum Tree
- Queue using two Stacks
- Remove duplicate element from sorted Linked List
- Stack using two queues
- Level order traversal in spiral form
- DFS of Graph
- BFS of graph
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Implement two stacks in an array
- Run Length Encoding
- Largest subarray of 0's and 1's
- Level order traversal Line by Line
- Josephus problem
- Check if Linked List is Palindrome
- Delete a Node in Single Linked List
- Find duplicates in an array
- Count distinct elements in every window
- Special Stack
- Three way partitioning
- Sort a stack
- Level order traversal
- Peak element
- Inorder Successor in BST
- Index Of an Extra Element
- Merge Sort for Linked List
- Counting Sort
- Children Sum Parent
- Find length of Loop
- Reverse First K elements of Queue
- Exchange the Leaf Nodes
- Check if two Nodes are Cousins
- Delete middle element of a stack
- Vertical Width of a Binary Tree
- Get min at pop
- Max and Second Max
- Hashing for pair - 1
- Hashing for pair - 2
- Pairwise swap of nodes in LinkeList
- Find first set bit
- Rightmost different bit
- Factorial Of Number
- Digits In Factorial
- GP Term
- Primality Test
- Longest Consecutive 1's
- Exactly 3 Divisors
- Mean And Median
- Modular Multiplicative Inverse
- Swap all odd and even bits
- Maximum AND Value
- Minimum adjacent difference in a circular array
- Power Of Numbers
- Maximum occured integer
- String Permutations
- Wave Array
- Frequencies of Limited Range Array Elements
- Equilibrium point
- Leaders in an array
- Count 1's in binary array
- Floor in a Sorted Array
- Minimum Number in a sorted rotated array
- Inversion of array
- Two Repeated Elements
- Roof Top
- Union of Two Sorted Arrays
- Subarray with given sum
- Intersection of two sorted arrays
- Closet 0s 1s and 2s
- Sort by Absolute Difference
- Triplet Sum in Array
- Spirally traversing a matrix
- Search in a matrix
- Interchanging the rows of a Matrix
- Reversing the columns of a Matrix
- Boundary traversal of matrix
- Exchange matrix columns
- Separate chaining in Hashing
- Naive Pattern Search
- Distinct Pattern Search
- Linear Probing in Hashing
- Quadratic Probing in Hashing
- Count Non-Repeated Elements
- Print Non-Repeated Elements
- Anagram
- Subarray with 0 sum
- Winner of an election
- Subarray range with given sum
- Isomorphic Strings
- The Modified String
- Reverse words in a given string
- Smallest window in a string containing all the characters of another string
- Minimum indexed character
- Pangram Checking
- Non Repeating Character
- Removing consecutive duplicates
- Removing consecutive duplicates - 2
- Evaluation of Postfix Expression
- Count Total Digits in a Number
- Digital Root
- Power Set Using Recursion
- Search in a Rotated Array
- Trailing zeroes in factorial
- Non Repeating Character
- First Repeating Element
- Remove all duplicates from a given string
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Element that appears once where every element occurs twice
- Product array puzzle
- Reverse Bits
- Count Smaller elements
- Subarray with given sum
- Leaders in an array
- Swap all odd and even bits
- Equal to product
- Next in Series
- Possible paths
- Y shaped pattern
- Search in a matrix
- Number Of Open Doors
- Chinky and diamonds
- 0 - 1 Knapsack Problem
- Valid Substring
- Perfect Numbers
- Equilibrium point
- Floor in a Sorted Array
- Min sum formed by digits
- Chocolate Distribution Problem
- Maximum no of 1's row
- Decode the string
- Evaluation of Postfix Expression
- Sequence of Sequence
- First negative integer in every window of size k
- Group Anagrams Together
- Count all possible paths from top left to bottom right
- Nth number made of prime digits
- Jumping Caterpillars
- Check if a Integer is power of 8 or not
- Numbers containing 1, 2 and 3
- Find the closest pair from two arrays
- Print Bracket Number
- Positive Negative Pair

- 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
- Connect Nodes at Same Level
- Clone a linked list with next and random pointer
- Flattening a Linked List
- Detect cycle in an undirected graph
- The Celebrity Problem
- Print a Binary Tree in Vertical Order
- Merge K sorted linked lists
- Find the number of islands
- Get minimum element from stack
- Circular tour
- Max rectangle
- Make Binary Tree From Linked List
- Check if subtree
- Remove loop in Linked List
- LRU Cache
- Merge k Sorted Arrays
- Top View of Binary Tree
- Merge Sort on Doubly Linked List
- Count More than n/k Occurences
- Swap Kth nodes from ends
- Rabin Karp - Pattern Searching
- Smallest Positive missing number
- Possible Words From Phone Digits
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Index
- Trapping Rain Water
- Stock buy and sell
- Check if array is sorted and rotated
- Kadane's Algorithm
- Number of pairs
- Merge three sorted arrays
- Closer to sort
- Make Matrix Beautiful
- Boolean Matrix Problem
- Subarrays with equal 1s and 0s
- Sorting Elements of an Array by Frequency
- Longest consecutive subsequence
- Case-specific Sorting of Strings
- Lexicographic Rank Of A String
- Parenthesis Checker
- Maximum Rectangular Area in a Histogram
- Stock span problem
- Next larger element
- Infix to Postfix
- Maximum of all subarrays of size k
- Kadane's Algorithm
- Find Missing And Repeating
- Maximum Sub Array
- Parenthesis Checker
- Longest Common Subsequence
- Egg Dropping Puzzle
- Maximum Rectangular Area in a Histogram
- Subset Sum Problem
- Possible words from Phone digits
- Modular Exponentiation for large numbers
- Rearrange Array Alternately
- Relative Sorting
- Maximum of all subarrays of size k
- Boolean Matrix Problem
- Minimum Cost of ropes
- Stock span problem
- Palindromic Array
- Is Binary Number Multiple of 3
- Card Rotation
- Bleak Numbers
- Super Primes
- Next larger element
- Kth smallest element
- Divisible by 8
- Longest Common Substring
- First non-repeating character in a stream
- Convex Hull
- Zero Sum Subarrays
- Magnet Array Problem
- Maximum Intervals Overlap
- Firing employees
- Rotten Oranges
- Longest Common Prefix in an Array
- Steps by Knight
- The Painter's Partition Problem
- Count only Repeated

- Binary Tree to DLL
- Pattern Search KMP
- Max Circular Subarray Sum
- Merge Without Extra Space
- Maximum of minimum for every window size
- Maximum of minimum for every window size
- Merge Without Extra Space
- Find sum of different corresponding bits for all pairs
- Return two prime numbers
- Allocate minimum number of pages
- A Simple Fraction
- Longest valid Parentheses
- Median of Two sorted arrays