- Print the pattern | Set-1
- C++ Pointers ( Incrementing a variable) | Set 1
- Print alternate elements of an array
- Print 1 To N Without Loop
- Sum of array elements
- Reverse an Array
- Sum Of Digits
- Swap two numbers
- Series AP
- Area of Rectange, Right Angled Triangle and Circle
- Binary number to decimal number
- Simple Interest
- Surface Area and Volume of Cuboid
- Print 1 to n without using loops
- Value equal to index value
- Second Largest
- Smaller and Larger
- Average
- Remainder Evaluation
- Multiply Array
- Diagonal sum
- Find difference between sum of diagonals
- Distance between 2 points
- Floyd's triangle
- Addition of two square matrices
- Count of smaller elements
- Change the string
- Sum of odd and even elements
- Convert a list of characters into a String
- Find n-th term of series 1, 3, 6, 10, 15, 21
- C++ Input / Output
- Java Input/Output
- Java Reverse a String
- Java Delete alternate characters
- Java Substring
- Java Convert String to LowerCase
- C++ 2-D Arrays | Set-1
- Java Basic Data Types
- Java Operators(Relational) | Set - 2

Name

Akash Kr. Singh

Rank in Institute

#1

Courses Attended

Campus Ambassador

Overall Coding Score: 1127

Monthly Coding Score: 1

Weekly Coding Score: 0

- Node at a given index in linked list
- Size of Binary Tree
- Inorder Traversal
- Count Leaves in Binary Tree
- Height of Binary Tree
- Postorder Traversal
- Implement Stack using Linked List
- Implement stack using array
- Implement Queue using Linked List
- Doubly linked list Insertion at given position
- Preorder Traversal
- Find triplets with zero sum
- Linked List Insertion
- Play with an array
- Minimum element in BST
- Triplet Family
- Sum of Binary Tree
- Insert in Middle of Linked List
- Sort and Reverse Vector
- Front to Back
- Stack designer
- Parties and seats
- Sum Array Puzzle
- Who has the majority?
- Strongest Neighbour
- Array insert at index
- Array insert at end
- Area and Volume of Cone
- C Switch case statement
- Converges to OneZero
- Bubble Sort
- Sum of second max and second min
- Sum of Border elements
- Colinear or Non-colinear
- Print the string - C
- MIN_MAX_Sum in array - C
- Input/Output - C
- Comments in C
- Operators in C
- Logical operator in C
- string input and iteration
- Return sum array
- getchar and putchar - C
- Binary to decimal
- Decimal to binary
- Ceaser cipher
- Reversing an Array
- Absolute Value
- Convert Celsius To Fahrenheit
- Quadratic Equation Roots
- Count total set bits
- Power of 2
- Tower Of Hanoi
- Rotate Array
- Searching an element in a sorted array
- Majority Element
- Left Index
- Binary Array Sorting
- Count possible triangles
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Binary String
- Repeating Character - First Appearance Leftmost
- Sum of Digits of a Number
- Fibonacci Using Recursion
- Search an Element in an array
- Maximum Occuring Character
- Binary String
- Factorial
- Prime Number
- LCM And GCD
- GCD of Array
- Searching a number
- Power of 2
- Series GP
- Celsius to Fahrenheit Conversion
- Pythagorean Triplet
- Print the Kth Digit
- Majority Element
- Sieve of Eratosthenes
- Count possible triangles
- Rotate Array
- Permutations of a given string
- Missing number in array
- Array of alternate +ve and -ve no.s
- Maximum product of two numbers
- Number of paths
- Segregate Even and Odd numbers
- Count total set bits
- Number is sparse or not
- Bit Difference
- Reverse sub array
- Greater on right side
- Immediate Smaller Element
- Sum of distinct elements
- Binary Array Sorting
- Intersection of two arrays
- Union of two arrays
- k largest elements
- Pairs of prime number
- Roots of Quadratic Equation
- Ways To Tile A Floor
- Generate Binary Numbers
- Find the Odd Occurence
- Keypad typing
- Even occurring elements
- Missing ranges of numbers
- Searching an element in a sorted array
- Total count
- Rotate by 90 degree
- Rearranging array
- Longest Consecutive 1's
- Form a Triangle
- Check if two arrays are equal or not
- Check if string is rotated by two places
- Substrings with similar first and last characters
- Find first set bit
- Find the element that appears once in sorted array
- Last index of One
- Arranging the array
- Print an array in Pendulum Arrangement
- Check whether K-th bit is set or not
- Length of Last word
- Sum of numbers in string
- Find the smallest and second smallest element in an array
- Find minimum and maximum element in an array
- Determinant of a Matrix
- Max Odd Sum
- Check if a string is Isogram or not
- Rightmost different bit
- Print first n Fibonacci Numbers
- Maximum Integer Value
- Print Matrix in snake Pattern
- Change all even bits in a number to 0
- Anagram Palindrome
- Closest Number
- Positive and negative elements
- Repated Sum and then Multiply
- Remove common characters and concatenate
- Sum of upper and lower triangles
- Minimum product pair
- Product of factors of number
- Maximize âˆ‘arr[i]*i of an Array
- Product of maximum in first array and minimum in second
- Check if strings are rotations of each other or not
- Midori and chocolates
- Ishaan's Weight
- Jay's Apples
- The Penalty Shootout
- Gray Code
- Gray to Binary equivalent
- Doctors Clinic
- Find The Sequence
- Average Count Array
- Java 1-d and 2-d Array
- Tower of Hanoi
- Adding two matrices
- Left Index
- Multiply the matrices
- Queue Operations

- Occurence of an integer in 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
- linked list of strings forms a palindrome
- Detect Loop in linked list
- Rearrange linked list in-place
- Remove duplicates from an unsorted linked list
- Merge Sort
- Quick Sort
- K distance from root
- Mirror Tree
- Diameter of Binary Tree
- Check for Balanced Tree
- Heap Sort
- Nth node from end of linked list
- Left View of Binary Tree
- Queue using two Stacks
- DFS of Graph
- BFS of graph
- Lowest Common Ancestor in a BST
- Implement two stacks in an array
- Binary Heap Operations
- Level order traversal Line by Line
- Odd even level difference
- Unique rows in boolean matrix
- Match specific pattern
- Josephus problem
- Repetition of k length substring
- Delete a Node in Single Linked List
- Count distinct elements in every window
- Max Level Sum in Binary Tree
- Three way partitioning
- String Modification
- Print Common Nodes in BST
- Inorder Successor in BST
- Index Of an Extra Element
- Merge Sort for Linked List
- Convert Ternary Expression to Binary Tree
- Intersection of Two Linked Lists
- Level of a Node in Binary Tree
- Sum of leaf nodes in BST
- Maximum path sum
- Counting Sort
- Counting elements in two arrays
- Full binary tree
- Triplet with 0 sum in BST
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Huffman Decoding
- Huffman Decoding-1
- Next Right Node
- Maximum Node Level
- Children Sum Parent
- Diagonal Sum In Binary Tree
- Find length of Loop
- Height of Spiral Tree
- Sum of Leaf Nodes
- Vertical Width of a Binary Tree
- GetLine and Ignore
- Even Odd
- Step by Step Condition
- Start Coding - Java
- The New Line - Java
- Precise Fomat - Java
- Count Odd Even
- Count the Specials
- Even Subsets
- Count Odd Even - Java
- Need Some Change - Java
- Predict the Column - Java
- Magic in CPP
- Swap the objects
- Two Dimensional World
- Delete Array
- Pair in Java
- Maximum Area Rectangle
- Sum of Big Integers
- BigInteger Multiply
- BigInteger mod
- Find the Frequency
- Back to Front
- Pair Sum in Vector
- Student of the Year
- ArrayList Operation
- Operations on ArrayList
- Queue Operations
- Get min at pop
- Deque Implementations
- Min Heap implementation
- Frequency Game
- Greater and Smaller Ones
- Duplicate Elements
- Pair Sum Existence- Revisited
- Comment in Python
- Max and Second Max
- Mother Vertex
- Queue using circular array
- Find first set bit
- Factorial Of Number
- Digits In Factorial
- GP Term
- Primality Test
- Exactly 3 Divisors
- Mean And Median of Array
- Modular Multiplicative Inverse
- 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
- Union of Two Sorted Arrays
- Subarray with given sum
- Intersection of two sorted arrays
- Sort by Absolute Difference
- Triplet Sum in Array
- Print adjacency list
- Spirally traversing a matrix
- Search in a row-column sorted Matrix
- Interchanging the rows of a Matrix
- Linear Probing in Hashing
- Print Non-Repeated Elements
- Anagram
- Winner of an election
- Subarray range with given sum
- Removing consecutive duplicates - 2
- Activity Selection
- Fractional Knapsack
- Count Total Digits in a Number
- Digital Root
- Power Set Using Recursion
- Number of Connected Components
- Ways to write n as sum
- Count number of hops
- 0 - 1 Knapsack Problem
- Frequencies of Limited Range Array Elements
- Anagram
- Adding One
- Number of Unique Paths
- Wave Array
- Maximum Gap
- Squares in N*N Chessboard
- Non Repeating Character
- First Repeating Element
- Reverse words in a given string
- Isomorphic Strings
- Move all zeroes to end of array
- Remove all duplicates from a given string
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Two numbers with sum closest to zero
- Maximum value in a bitonic array
- Count increasing Subarrays
- Maximum Product Subarray
- Maximum sum increasing subsequence
- Sum of two numbers represented as arrays
- Product array puzzle
- Subarray with given sum
- Leaders in an array
- Swap all odd and even bits
- Count number of hops
- Equal to product
- Inorder Traversal and BST
- Segregate 0s and 1s
- Two Repeated Elements
- Reach a given score
- Overlapping rectangles
- Minimum element in a sorted and rotated array
- Search in a matrix
- Generate binary string
- 0 - 1 Knapsack Problem
- Pangram Checking
- Count the Reversals
- Game of Death in a circle
- Power of Numbers
- Count digits in a factorial
- Equilibrium point
- Floor in a Sorted Array
- Flip Bits
- Count Increasing Subsequences
- Prime Factors
- Maximize sum after K negations
- Equal Point in Sorted Array
- Largest Even Number
- Roman Number to Integer
- Drive the car
- Sum of all substrings of a number
- Common elements
- Fill array with 1's
- Element with left side smaller and right side greater
- Modular multiplicative inverse
- Array Subset of another array
- Four Elements
- Subarray with 0 sum
- Nth catalan number
- Subarrays with given sum
- Count the elements
- Shortest Common Supersequence
- Assign Mice Holes
- Nth number made of prime digits
- Find distinct elements
- Sort by Absolute Difference
- Sub-Array sum divisible by K
- Swapping pairs make sum equal
- Decode It
- Jumping Caterpillars
- Subset with sum divisible by m
- Ways to write n as sum
- Minimum indexed character
- Stickler Thief
- Find the most frequent digit
- Numbers containing 1, 2 and 3
- Non-Repeating Element
- Closing bracket index
- Maximum AND Value
- Winner of an election
- Ease the Array
- Pair the minimum
- Print this pattern!
- Print Binary Tree levels in sorted order
- The Modified String
- Fitting The Array
- K-th missing element
- Print adjacency list
- Pair with given sum in a sorted array
- Positive Negative Pair
- Exchange matrix columns
- Reversing the columns of a Matrix
- Interchanging the rows of a Matrix
- Boundary traversal of matrix
- Linear Probing in Hashing
- Customized Sort
- Quadratic Probing in Hashing
- Print Distinct Elements
- Count Distinct Elements
- Mean and Median
- Area Manipulation
- Count 1's in binary array
- Minimum adjacent difference in a circular array
- Union of Two Sorted Arrays
- Intersection of two sorted arrays
- Naive Pattern Search
- Distinct Pattern Search
- Search Query for Strings

- Given a linked list, reverse alternate nodes and append at the end
- Reverse a Linked List in groups of given size.
- Quick Sort on Linked List
- Count BST nodes that lie in a given range
- Check for BST
- Tree from Postorder and Inorder
- Bottom View of Binary Tree
- Intersection Point in Y Shapped Linked Lists
- Construct Binary Tree from Parent Array
- Connect Nodes at Same Level
- Clone a linked list with next and random pointer
- Delete a node from BST
- Detect cycle in a directed graph
- Detect cycle in an undirected graph
- Maximum difference between node and its ancestor
- Topological sort
- Vertical Traversal of Binary Tree
- Merge K sorted linked lists
- Make Binary Tree From Linked List
- Check if subtree
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Max length chain
- Minimum Spanning Tree
- Box Stacking
- Strongly Connected Components (Kosaraju's Algo)
- Merge two BST 's
- Merge k Sorted Arrays
- Duplicate subtree in Binary Tree
- Top View of Binary Tree
- k-th smallest element in BST
- Merge Sort on Doubly Linked List
- Binary Tree to CDLL
- Count More than n/k Occurences
- Occurences of 2 as a digit
- Construct expression tree
- Node at distance
- Duplicate Subtrees
- Count Number of SubTrees having given Sum
- Operations on PriorityQueue
- Swap Kth nodes from ends
- Maximum sum of Non-adjacent nodes
- Rabin Karp - Pattern Searching
- Implementing Floor in BST
- Pair Sum in BST
- Smallest Positive missing number
- Possible Words From Phone Digits
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Product of Increasing Subsequence of Size 3
- 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
- Possible paths between 2 vertices
- Make Matrix Beautiful
- Boolean Matrix Problem
- Subarrays with equal 1s and 0s
- Parenthesis Checker
- Maximum Rectangular Area in a Histogram
- Stock span problem
- Next larger element
- Infix to Postfix
- Maximum of all subarrays of size k
- Kth largest element
- Minimum Platforms
- Rat Maze With Multiple Jumps
- Combination Sum
- Subsets
- Count ways to reach the n'th stair
- Egg Dropping Puzzle
- Kadane's Algorithm
- Find Missing And Repeating
- Maximum Index
- 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)
- nCr
- Consecutive 1's not allowed
- Count of Subarrays
- Trapping Rain Water
- Case-specific Sorting of Strings
- Subset Sum Problem
- Minimum Platforms
- Possible words from Phone digits
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Relative Sorting
- Black and White
- Maximum of all subarrays of size k
- Row with max 1s
- Boolean Matrix Problem
- Sorting Elements of an Array by Frequency
- Minimum Cost of ropes
- Inversion of array
- Stock span problem
- M-Coloring Problem
- Is Binary Number Multiple of 3
- Possible groups
- Distributing Balls
- Number of pairs
- Coin Piles
- Largest number in K swaps
- Next larger element
- X Total Shapes
- Unique BST's
- Subsets
- Combination Sum
- Combination Sum - Part 2
- Kth smallest element
- 3 Divisors
- Rotate and delete
- Knight Walk
- Distance of nearest cell having 1
- Find whether path exist
- Unit Area of largest region of 1's
- Rearrange characters
- First non-repeating character in a stream
- K
^{th}largest element in a stream - Zero Sum Subarrays
- Smallest window in a string containing all the characters of another string
- Floyd Warshall
- Smallest Positive missing number
- Rotten Oranges
- Steps by Knight
- In First But Second
- Coins and Game
- Maximum Tip Calculator
- Fill the Tank
- Subarrays with equal 1s and 0s
- Make Matrix Beautiful
- Rat Maze With Multiple Jumps
- Game of Powers
- Number of possible squares
- Smaller on Left
- Count only Repeated
- Merge three sorted arrays
- Level of Nodes
- Nearly sorted
- Maximum Product of Increasing Subsequence of Size 3
- Kth largest element
- Kth smallest element
- Optimal Strategy For A Game
- Range Sum Queries
- Range Min Max Queries
- Camel Case
- Range GCD Queries

- QuickSort on Doubly Linked List
- AVL Tree Deletion
- Fixing Two nodes of a BST
- Pattern Search KMP
- Max Circular Subarray Sum
- Merge Without Extra Space
- Maximum of minimum for every window size
- Solve the Sudoku
- Maximum of minimum for every window size
- Allocate minimum number of pages
- Ugly Numbers
- Find median in a stream
- Minimum number to make median X
- Median of Two sorted arrays
- Largest Sum Contiguous Subarray in Range
- Articulation Point

Published Count(2)

Published Count(96)

- Sum Array Puzzle
- Area and Volume of Cone
- C Switch case statement
- Storage classes in C
- Bitwise operations in C
- Converges to OneZero
- Performance in Class
- Search and Insert in Array
- Bubble Sort
- Find number with given means
- Sum of second max and second min
- Sum of Border elements
- Find extra character
- Last occurrence of One
- Colinear or Non-colinear
- Complete Bubble Sort - C
- Print the string - C
- If conditional statement - C
- For loop - C
- While loop in C
- Jump through While - C
- Intro to Arrays - C
- Iterating through arrays - C
- MIN_MAX_Sum in array - C
- Matrix row interchange - C
- Pointer arithmetic - C
- Swapping in - C
- Square and square root
- Dynamic allocation in C
- Reallocate memory - C
- Self referential structures in C
- Struct area
- Function to segregate even and odd nodes
- Pairwise swap of nodes in LinkeList
- Split a sinlgy linked list into two doubly linked list from middle
- Insert node at last in circular linked list
- Search an element in circular linked list
- Start coding - C
- The new line - C
- Input/Output - C
- Comments in C
- Operators in C
- Logical operator in C
- Increment and decrement - C
- Bitwise operators - C
- Greater string
- string input and iteration
- Train timetable
- Return sum array
- Dynamic allocation of 2d array
- Simple interest and amount
- Compound interest and its amount
- Sum of even and odd upto N
- getchar and putchar - C
- Format specifier - C
- Find index using pointer
- N
^{th}fibonacci term - Call by reference
- Initializing pointers
- Sum of diagonals
- Double pointer - C
- Ceaser cipher
- Number of primes upto N
- Armstrong number
- Reverse the number
- Binary to decimal
- Decimal to binary
- Binary to decimal
- Ceaser cipher
- Minimum adjacent difference in a circular array
- Count 1's in binary array
- Pairing elements
- Make pair
- Corresponding pair
- Vector insertion
- Insertion in deque
- Elected candidate
- Tie Breaker
- Rotate vector by K places
- Search in Vector
- upper and lower bounds of an element
- Heapify the vector
- Permutations of string
- Remove from vector
- Sort and reverse
- Set bits in N
- Pangram check
- Pattern searching
- Vector Erase and Clear
- Forward list deletion in C++
- Dequeue Traversal
- Deque deletion
- Rotate Deque By K
- Count Elements Greater Than X
- Count Smaller Than X
- Find Immediate Smaller Than X