ashishkumargupta054
STREAK
264/1472
days
Longest streak/Global longest streak
Institution
NIT patna
Language Used
C++, C, Java, Python
Coding Score
3847
Problem Solved
1214
Contest Rating
__
78 points
Contributor
78 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
0 submissions in current year
SCHOOL (3)
BASIC (127)
EASY (476)
MEDIUM (519)
HARD (89)
- Implement input/output
- Geek and his Marks
- Valid String
- Contest Score
- Geek and Books
- Geek and Contest ||
- K Subarray Sum
- Good Numbers
- The Hiring Contest
- 3 Data structures
- Ticket Counter
- Geek and New Job
- Reverse a linked list
- Frequency in a Linked List
- Delete N nodes after M nodes of a linked list
- Pairwise swap elements of a linked list
- Node at a given index in linked list
- Linked list of strings forms a palindrome
- Compare two linked lists
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Split a Linked List into two halves
- Delete in a Doubly Linked List
- Inorder Traversal
- Reverse a Doubly Linked List
- Bubble Sort
- Selection Sort
- Insertion Sort
- Check for BST
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of Tree
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Check If Circular Linked List
- Left View of Binary Tree
- Delete Middle of Linked List
- Decimal Equivalent of Binary Linked List
- Transform to Sum Tree
- Intersection Sorted Linked Lists
- Find Transition Point
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Stack using Linked List
- Implement stack using array
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Root to leaf path sum
- Square Root
- Nodes without a Sibling
- Insertion at doubly linked list
- Lowest Common Ancestor in a BST
- Binary Search
- Run Length Encoding
- Remove Duplicates Sorted Array
- Level Order Line by Line
- BST Keys in a Range
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- Equilibrium index of an array
- Unique rows in boolean matrix
- Remove every k'th node
- Leaves at Same Level or Not
- Third largest element
- Convert to Roman No
- Match specific pattern
- Multiply two linked lists
- C++ STL | Set 2 (pair)
- Josephus problem
- Expression Tree
- Max distance between same elements
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Max Level Sum in Binary Tree
- Special Stack
- Three way partitioning
- Inorder Successor in BST
- Index of an Extra Element
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Split Linked List Alternatingly
- Level of a Node in Binary Tree
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Counting Sort
- Max and min element in Binary Tree
- Perfect Binary Tree
- Reverse Using Stack
- XOR of a given range
- Symmetric Tree
- Delete Alternate Nodes
- Construct BST from Postorder
- Merge Lists Alternatingly
- Find the Sum of Last N nodes of the Linked List
- Next Right Node
- Count Pairs whose sum is equal to X
- Depth of node
- Maximum Node Level
- Find length of Loop
- Change of Key in BST
- Median of BST
- Leaf under budget
- Find n/k th node in Linked list
- Linked List Matrix
- Maximum Pairwise Computed Value
- Queue Reversal
- Reverse first K of a Queue
- Remove Half Nodes
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Nodes at Odd Levels
- Closest Neighbour in BST
- Brothers From Different Roots
- Exchange the Leaf Nodes
- Sum of Leaf Nodes at Min Level
- C++ STL Priority Queue
- Tilt of Binary Tree
- Move all zeros to the front of the linked list
- Delete Mid of a Stack
- C++ Function overloading
- C++ complex number addition (operator overloading)
- The New Line
- Data Types
- 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
- Learn to Comment - Java
- Swap the array elements
- Count the Specials
- Matrix Interchange
- Predict the Column
- Xoring and Clearing
- Consonants and Vowels check
- Even Subsets
- Almost Equal
- The Pattern Matcher
- Count Odd Even - Java
- Matrix Interchange - Java
- Swap values using References
- Swap the objects
- Structs and Objects
- Two Dimensional World
- Learning Structs
- Delete Array
- Find the Frequency
- Back to Front
- Pair Sum in Vector
- Student of the Year
- Stack Operations
- Frequency in Queue
- Operations on PriorityQueue
- Get min at pop
- Deque Implementations
- Min Heap implementation
- Frequency Game
- Multiset Operations
- Multimap Operations
- Inorder traversal of a BST
- Levelorder traversal of a BST
- Decimal to binary
- Queue using circular array
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Factorial Of Number
- Digits In Factorial
- GP Term
- Primality Test
- Longest Consecutive 1's
- Exactly 3 Divisors
- Modular Inverse
- Power of 2
- Swap odd and even bits
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Count 1's in binary array
- Floor in a Sorted Array
- Minimum Number in a sorted rotated array
- Roof Top
- Intersection of two sorted arrays
- Sort by Absolute Difference
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Matrix Boundary Traversal
- Naive Pattern Search
- Check if a string is Isogram or not
- Print Non-Repeated Elements
- Anagram
- Winner of an election
- String Rotated by 2 Places
- Isomorphic Strings
- Most Frequent Character
- The Modified String
- Reverse Words
- Sum of numbers in string
- Minimum indexed character
- Panagram Checking
- Repeating Character
- Non Repeating Character
- Parenthesis Checker
- Generate Binary Numbers
- K largest elements
- Minimum Cost of ropes
- N meetings in one room
- Largest number with given sum
- Count Digits in a Number
- Digital Root
- Reach a given score
- Union-Find
- Count number of hops
- Pattern searching
- First Repeating Element
- Union of Arrays with Duplicates
- Check Equal Arrays
- Positive Negative Pair
- Find Immediate Smaller Than X
- Two Sum
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Search an element in sorted and rotated array
- Circular Linked List Delete at Position
- Intersection of Arrays with Distinct
- Mean of range in array
- Max Value Permutation
- Missing And Repeating
- Non-Repeating Element
- Pairs of equals Sum
- Find Kth Rotation
- Find the closest number
- Sort by Set Bit Count
- Professor and Parties
- k sorted array
- Maximize sum after K negations
- Adding Ones
- Pairs with certain difference
- Common in 3 Sorted Arrays
- Sorted and Rotated Minimum
- Maximum no of 1's row
- Sum of elements between k1'th and k2'th smallest elements
- Next greater number set digits
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- String Duplicates Removal
- Min sum formed by digits
- Minimize the sum of product
- Missing number
- Move all negative elements to end
- Unusual String Sort
- String Manipulation
- Chocolate Distribution Problem
- Count the triplets
- Sort the way !
- Find Pair Given Difference
- Swap and Maximize
- Bitonic Point
- Left most and right most index
- Smallest subarray with sum greater than x
- Closest Strings
- Alternate Positive Negative
- Closing bracket index
- Remove Consecutive Characters
- Convert a sentence into its equivalent mobile numeric keypad sequence
- Remove b and ac from a given string
- Check if the number is balanced
- Sort in specific order
- Rearrange a string
- Remove Duplicates
- Nearest multiple of 10
- Toppers Of Class
- Facing the sun
- Greater on right side
- Twice Counter
- Bitonic Generator Sort
- Second Largest
- Two Sum - Pair with Given Sum
- Rotate Bits
- Second most repeated string in a sequence
- Check if array contains contiguous integers
- Find all pairs with a given sum
- Number of occurrence
- Reversing the equation
- Does array represent Heap
- Longest common prefix
- C++ Visible Numbers
- Convert an array to reduced form
- Check if array is sorted
- Consecutive Array Elements
- Find missing in second array
- String's Count
- Longest Common Prefix of Strings
- First Repeated Character
- Prime String
- String comparison
- Min Number of Flips
- Counts Zeros Xor Pairs
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Play With OR
- Hungry Pizza Lovers
- Find the closest pair from two arrays
- Maximum sum of increasing order elements from n arrays
- Merging two unsorted arrays in sorted order
- Count the Zeros
- Length of longest subarray
- Merge two binary Max heaps
- Four Elements
- First and Second Smallests
- Palindrome String
- Maximum average subarray
- Maximum number of partitions that can be sorted individually to make sorted
- Search array with adjacent diff at most k
- Sorting all array elements except one
- Delete Array Elements
- Smallest greater elements in whole array
- Fitting The Array
- Pair with given sum in a sorted array
- Pattern Searching
- Print Bracket Number
- Easy string
- Shop in Candy Store
- Partition a number into two divisible parts
- Encrypt the string - 2
- Is Binary Number Multiple of 3
- Minimum Operations
- Adding Array Elements
- Number of 1 Bits
- Find the Highest number
- The Nth Fibonnaci
- Midori and chocolates
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Change Bits
- Swap two nibbles in a byte
- Count digits in a factorial
- Copy Set Bits in Range
- Toggle bits in the given range
- Prime Number
- Shortest path from 1 to n
- Sum 1 to n Divisors
- Find maximum number
- Swap bits
- Number Of Open Doors
- Right most non zero digit
- Perfect Numbers
- Nth item through sum
- Palindrome numbers
- Maximize Toys
- Largest number possible
- Print this pattern!
- Trailing zeroes in factorial
- Form a number divisible by 3 using array digits
- Permutations and Sum
- Circular Prime Number
- Summed Matrix
- Maximum Diamonds
- Arithmetic Number
- Row with Minimum 1s
- Make Zeroes
- Surround the 1's
- Count Primes In Range
- Boundary Elements of Matrix
- Coverage of all Zeros in a Binary Matrix
- Lexicographically Previous Permutation
- Inorder Traversal and BST
- Sequence Fun
- Letters Collection
- Game of digits
- Minimise the maximum difference
- Rearrange Geek and his Classmates
- Bit Difference
- Repeated String Match
- Rotate Clockwise
- Count Triplets
- Array Arrangement
- Kronecker Product
- Help the Old Man!!!
- Inverted triangle of stars
- Print Pattern
- Y shaped pattern
- Primes sum
- Print the pattern
- Maximum Sum LCM
- K-Ary Tree
- Binary Tree K level sum
- Array to BST
- Ball coloring
- Rearrange Geek and his Classmates
- Fraction Trouble
- Shortest distance in infinite tree
- Sum of k smallest elements in BST
- CPH - Count Set Bit
- Print Diagonally
- CPH - Count Digits
- CPH - Count Distinct Elements
- CPH - Sort the List
- CPH - Find GCD
- CPH - Maximize Number of Items
- Gadgets of Doraland
- Plus One
- Sum of two numbers without using arithmetic operators
- Even and Odd
- Search insert position of K in a sorted array
- Queue using stack
- Largest value in each level
- Design HashMap
- First and last occurrences of x
- Geek and Snow Fighting
- Count the Substrings
- Fast Lookups
- Most frequent
- Minimum-Maximum Sorting
- Can Nobita meet Sizuka?
- Will Dekisugi prove his intelligence?
- Will Sizuka be impressed?
- Count the Subarrays
- Find all possible paths from top to bottom
- Split the binary string into substrings with equal number of 0s and 1s
- Smallest Subset with Greater Sum
- Minimum Sum of Absolute Differences of Pairs
- Smallest window containing 0, 1 and 2
- Move Last Element to Front of a Linked List
- Insert an Element at the Bottom of a Stack
- Can Make Triangle
- Matrix Operations
- Triangle and Square
- String Matching
- Geek and Buildings
- Problem Setting at GFG
- Beautiful Number
- Maximum Number
- Complete the Staircase
- Count the Substrings
- Maximum Depth Of Binary Tree
- Minimize the sum
- CBA Subsequence
- Transform to Sum Tree
- Parent of Max GCD Siblings in a Binary Tree
- Find the first node of loop in linked list
- Type it!
- Min operations
- Last cell in a Matrix
- Reverse both parts
- Cutting Rectangles
- Make the array beautiful
- Max Level Sum in Binary Tree
- Binary matrix having maximum number of 1s
- Wifi Range
- Dominant Pairs
- Ticket Counter
- Unique Number of Occurrences
- Beautiful Number
- Strong Students in School
- Nearly Sorted Algorithm
- Smaller on Right
- Reverse alternate nodes in Link List
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Rearrange a linked list
- Add 1 to a Linked List Number
- Merge 2 sorted linked list in reverse order
- Linked List in Zig-Zag fashion
- Detect Loop in linked list
- Rearrange linked list in-place
- Quick Sort on Linked List
- Insert in Sorted Circular Linked List
- QuickSort on Doubly Linked List
- Count BST nodes that lie in a given range
- Merge Sort
- Quick Sort
- Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Add all greater values to every node in a BST
- Sum Tree
- Connect Nodes of Levels
- Flattening a Linked List
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Reverse alternate levels of a perfect binary tree
- Delete a node from BST
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Maximum difference between node and its ancestor
- Absolute List Sorting
- Two Stacks in an Array
- Binary Heap Operations
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological sort
- Vertical Tree Traversal
- Merge K sorted linked lists
- Find the number of islands
- Find kth element of spiral matrix
- Max sum in the configuration
- Get Min from Stack
- Linked List to Binary Tree
- Check if subtree
- Extreme nodes in alternate order
- Kth smallest element in a Matrix
- Is Binary Tree Heap
- Validate an IP Address
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Largest BST
- Interleaved Strings
- Multiply two strings
- Minimum Swaps to Sort
- Implement Atoi
- Maximum Difference
- Palindrome Linked List
- Print matrix in diagonal pattern
- Rat in a Maze Problem - I
- Bipartite Graph
- Number of root to leaf paths
- Closest in BST
- BST with Dead End
- Pots of Gold Game
- Merge two BST 's
- Count distinct elements in every window
- k-Anagram
- Trie | (Delete)
- Merge k Sorted Arrays
- Root to leaf paths sum
- Longest Palindrome in Linked List
- Bridge edge in a graph
- Find triplets with zero sum
- Sort a stack
- Duplicate Subtree
- Top View of Binary Tree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Level order traversal
- Peak element
- Polynomial Addition
- Delete nodes greater than k
- Merge Sort for Linked List
- Union of Two Linked Lists
- Ancestors in Binary Tree
- Binary Tree to CDLL
- Pair Sum in BST
- Root to Leaf Paths
- Complete Binary Tree
- Populate Inorder Successor for all nodes
- XOR Linked List
- Counting elements in two arrays
- Construct expression tree
- Linked List that is Sorted Alternatingly
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Construct Tree from Inorder & Preorder
- Arrange Consonants and Vowels
- Vertical sum
- Mirror of a given node
- Pairs violating BST property
- Insert in Sorted way in a Sorted DLL
- Isomorphic Trees
- Maximum path sum from any node
- Predecessor and Successor
- Leaves to DLL
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Deletion and Reverse in Circular Linked List
- Normal BST to Balanced BST
- Duplicate Subtrees
- Construct Tree from Preorder Traversal
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- Check if two Nodes are Cousins
- Convert Level Order Traversal to BST
- ZigZag Tree Traversal
- Count Number of SubTrees having given Sum
- Vertical Width of a Binary Tree
- C++ Friend function
- C++ Generic sort
- Swap Kth nodes from ends
- Add two numbers represented by Linked List
- Maximum sum of Non-adjacent nodes
- Mother Vertex
- Floor in BST
- Ceil in BST
- Pair Sum in BST
- Count set bits
- Gray to Binary Conversion
- Reverse array in groups
- Smallest Positive Missing
- Power Of Numbers
- Wave Array
- Possible Words From Phone Digits
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Index
- Stock buy and sell
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Binary Array Sorting
- Two Repeated Elements
- Smallest Positive missing number
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Count the number of possible triangles
- Triplet Sum in Array
- Merge Without Extra Space
- Possible paths between 2 vertices
- Level of Nodes
- Make Matrix Beautiful
- Boolean Matrix
- Spirally traversing a matrix
- Search in a sorted Matrix
- Rotate by 90 degree
- Determinant of a Matrix
- Distance of nearest cell having 1
- Unit Area of largest region of 1's
- Subarray with 0 sum
- Subarrays with equal 1s and 0s
- Sort Elements by Decreasing Frequency
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Case-specific Sorting of Strings
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- Infix to Postfix
- K Sized Subarray Maximum
- Kth largest element
- Kth smallest element
- Kth largest element in a stream
- K Most occurring elements
- Nearly sorted
- Rearrange characters
- Activity Selection
- Minimum Platforms
- Largest number in K swaps
- Combination Sum
- Unique Subsets
- M-Coloring Problem
- Minimum Jumps
- Stickler Thief
- Egg Dropping Puzzle
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Lucky Numbers
- Number of Unique Paths
- Sort according to an Array
- Allocate Minimum Pages
- Preorder to BST
- X Total Shapes
- Zero Sum Subarrays
- Find whether path exist
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Nth Catalan Number
- Rotten Oranges
- Steps by Knight
- Most frequent word in an array of strings
- Count subsequences of type a^i, b^j, c^k
- Print Anagrams Together
- Rotate by 90 degree
- Top K Frequent in Array
- Radix Sort
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- Prerequisite Tasks
- 4 Sum - All Quadruples
- Excel Sheet | Part - 1
- Sort 0s, 1s and 2s
- Paths to reach origin
- Maximum Index
- Number of subarrays with maximum values in given range
- Flip Bits
- Sum of Subarrays
- Equal Sum
- Top k numbers in a stream
- Maximize Number of 1's
- Sum of Middle elements of two sorted arrays
- Equivalent Sub-Arrays
- Single Among Doubles in a Sorted
- Count Occurences of Anagrams
- Single Among Doubles
- Pythagorean Triplet
- Pair Sum Closest to 0
- Search in Rotated Sorted Array
- Smallest number with at least n trailing zeroes in factorial
- Print Binary Tree levels in sorted order
- Maximize The Array
- Max Score from Subarray Mins
- Form the Largest Number
- Add Binary Strings
- Super Primes
- Maximum Product Subarray
- Longest subarray with sum divisible by K
- Row with max 1s
- Column name from a given column number
- Concatenation of Zig-Zag String in n Rows
- Substrings with K Distinct
- Form a palindrome
- Nuts and Bolts Problem
- Rotate a Matrix
- Longest Subarray with Sum K
- Transform String
- Count the Reversals
- Number of positive integral solutions
- Sum of two large numbers
- Max Sum without Adjacents
- Factorials of large numbers
- Reverse each word in a given string
- Length of the longest substring
- Remove leading zeros from an IP address
- k largest elements
- Sum of XOR of all pairs
- Magnet Array Problem
- Smallest distinct window
- Longest substring with distinct characters
- Longest Substring with K Uniques
- Longest Palindrome in a String
- Look and Say Pattern
- Find the position
- Valid Expression
- Integer to Words
- K-th element of two Arrays
- String formation from substring
- Triplets with Smaller Sum
- Greater tower sum
- Number of pairs
- Missing element of AP
- Min Swaps to Group 1s
- Minimum swaps and K together
- Smallest Absolute Difference
- LCS of three strings
- Longest Palindromic Subsequence
- First negative in every window of size k
- Maximum difference of zeros and ones in binary string
- Number of palindromic strings
- Minimum sum
- First and Last Occurrences
- Reaching the heights
- Palindrome in Alphanumeric String
- Smaller on Left
- Minimum Deletions
- Maximum Product of Increasing Subsequence of Size 3
- Nine Divisors
- Valid Substring
- Minimum Swaps for Bracket Balancing
- Permutations of a String
- Missing Intervals
- Number following a pattern
- Previous number in one swap
- Unique Number II
- Bleak Numbers
- Largest prime factor
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Sieve of Eratosthenes
- Coin Change (Minimum Coins)
- Perfect Sum Problem
- Fibonacci Sum
- Kth Smallest Factor
- Firing employees
- Find distinct elements
- Knapsack with Duplicate Items
- nCr
- Number of ways
- Count of sum of consecutives
- Subsets with XOR value
- Geek and its Game of Coins
- Maximum path sum in matrix
- Partition Equal Subset Sum
- XOR Game
- Min Coin
- Lucky alive person in a circle
- Handshakes
- Count possible ways to construct buildings
- Count digit groupings of a number
- Probability of Knight
- Brain Game
- Money Distributions
- Find Last Digit Of a^b for Large Numbers
- Killing Spree
- N Digit numbers with digits in increasing order
- Yes XOR No
- Fill the Tank
- Number of paths
- Nth Natural Number
- Permutation with Spaces
- Choose and Swap
- Return two prime numbers
- Find nth root of m
- Sum of Query II
- Find Prime numbers in a range
- Party in Town
- Game with String
- Dudeney's Cow Problem
- Rotate a Matrix by 180 Counterclockwise
- Next Permutation
- Smaller on Left
- Rotate matrix elements clockwise
- Geek and knots
- Matrix Exponentiation
- Longest Repeating Subsequence
- Finding Profession
- Decode the string
- Preorder Traversal and BST
- Stream First Non-repeating
- Villain Con
- Possible paths
- Segregate even and odd nodes in a Linked List
- Valid Pair Sum
- Ruling Pair
- String Reduction Game
- Help Classmates
- Print leaf nodes from preorder traversal of BST
- Tricky Subset Problem
- Rat Maze With Multiple Jumps
- Pairs of Non Coinciding Points
- 7 Segment Display
- Product of Primes
- Make it Colorful
- Eulerian Path in an Undirected Graph
- Transitive closure of a Graph
- Replace O's with X's
- nCr mod M | Part 2
- Mail System Design
- Check Mirror in N-ary tree
- Queries on Strings
- Special Matrix
- Broken blocks
- Find the string in grid
- Shortest Uncommon Subsequence
- Number of Palindromic paths in a Matrix
- Nodes at even distance
- Biconnected Graph
- Help a Thief!!!
- Count the paths
- Floyd Warshall
- Negative weight cycle
- Form coils in a matrix
- Shortest Source to Destination Path
- Shortest Path between Cities
- Moving on grid
- Height Using Parent Array
- Reverse Spiral Form of Matrix
- Geek and Number String
- Image Multiplication
- Recursively Remove Adjacent Duplicates
- Theft at World Bank
- Number of minimum picks to get 'k' pairs of socks from a drawer
- Spiral Matrix
- Coins of Geekland
- Valid Pair Sum
- Dam of Candies
- Transfiguration
- Repeated String Match
- Ruling Pair
- Triplets in Sorted Linked List
- Restrictive Candy Crush
- Help Classmates
- Restricted Pacman
- Lucy's Neighbours
- Spidey Sense
- Project Manager
- Escape the Forbidden Forest
- Jump Game
- Iterative Inorder
- Triplets with sum with given range
- Preorder traversal (Iterative)
- Iterative Postorder
- Longest Palindromic Substring
- Form a palindrome
- All Palindromic Partitions
- Bellman-Ford
- Subarrays with sum K
- Remove BST keys outside given range
- Partition a Linked List around a given value
- Searching an element in a sorted array (Ternary Search)
- Capacity To Ship Packages Within D Days
- Sort a 2D vector diagonally
- Coin Piles
- Distribute N candies among K people
- Clone a stack without using extra space
- Count pairs in array divisible by K
- Number of Provinces
- Binary Matrix with at most K 1s
- Maximum sum leaf to root path
- Find duplicate rows in a binary matrix
- Maximum GCD of siblings of a binary tree
- BST to max heap
- BST to greater sum tree
- Find rectangle with corners as 1
- Paths from root with a specified sum
- Cousins of a given node
- Division without using multiplication, division and mod operator
- Sort for Singly Linked List
- Remove all occurences of duplicates in a linked list
- Minimize the Heights I
- Subsets
- Flatten binary tree to linked list
- Rank The Permutations
- Design Twitter
- IPL 2021 - Match Day 2
- All Unique Permutations of an array
- Course Schedule
- Find and Replace in String
- Min Cost Climbing Stairs
- Minimum times A has to be repeated such that B is a substring of it
- Bitwise AND of the Array
- Distinct Elements
- Overlapping Intervals
- Bitwise AND of the Array
- Maximum number of events that can be attended
- Longest Possible Route in a Matrix with Hurdles
- Find k-th smallest element in given n ranges
- Reverse a Stack
- Farthest number
- Robots
- Hit most Balloons
- Max Equal sum of 3 Stacks
- Concatenate Equal to Target
- Exactly one swap
- Maximum Winning score
- Compute Before Matrix
- Interleave the First Half of the Queue with Second Half
- Levels Of Game
- Smallest sum contiguous subarray
- Stack Permutations
- Largest subtree sum in a tree
- Replace every element with the least greater element on its right
- Special Keyboard 2
- Maximum selections
- LCP
- Next element with greater frequency
- Sum of nodes within k distance from target
- Minimum increment/decrement to make array non-Increasing
- Sort a k sorted doubly linked list
- Check if all levels of two trees are anagrams or not
- Minimum Multiplications to reach End
- Number Of Enclaves
- Eventual Safe States
- Pattern
- Shortest path in Directed Acyclic Graph
- Asteroid Collision
- Minimum Absolute Difference In BST
- Maximum Sum Combination
- Floor in BST
- Maximum Value
- Flattening a Linked List
- Make array elements unique
- Next Greater Element in Circular Array
- Geeks And The String
- Find the longest string
- Minimum repeat to make substring
- Intersection Point in Y Shaped Linked Lists
- BST Downward Traversal
- Count number of free cell
- Apple Sequences
- Connect Nodes at Same Level
- Fill the Matrix
- Maximum Intersecting Lines
- Remove the balls
- Nearest smaller tower
- Powerful Integer
- Modify Linked List-1
- Fraction pairs with sum 1
- Linked List Group Reverse
- Reorder List
- Binary Tree to DLL
- Clone List with Next and Random
- Min distance between two given nodes of a Binary Tree
- Max rectangle
- Subtraction in Linked List
- Partition array to k subsets
- Maximum subset XOR
- Alien Dictionary
- Smallest range in K lists
- AVL Tree Deletion
- Merge Sort on Doubly Linked List
- Nodes at given distance in binary tree
- Max Path Sum 2 Special Nodes
- Pattern Search KMP
- String Permutations
- Trapping Rain Water
- Pattern Search
- Histogram Max Rectangular Area
- Max of min for every window size
- Find median in a stream
- Solve the Sudoku
- Strongly connected component (Tarjans's Algo)
- Minimum Cost Path
- Median of Two sorted arrays
- Median of 2 Sorted Arrays of Different Sizes
- Merge Without Extra Space
- Next Smallest Palindrome
- The Painter's Partition Problem-II
- Distinct palindromic substrings
- Search Pattern
- Count Smaller elements
- Largest rectangle of 1s with swapping of columns allowed
- Number of distinct subsequences
- Minimum number to make median X
- RegEx matching
- All numbers with specific difference
- Maximum XOR subset
- Edit Distance
- Doctor Strange
- Palindromic Partitioning
- Stock Buy and Sell – Max K Transactions Allowed
- Check Tree Traversal
- Median in a row-wise sorted Matrix
- Kill Captain America
- Longest valid Parentheses
- Bike Racing
- Word Break - 2
- N-Queen Problem
- Brackets in Matrix Chain Multiplication
- nCr mod M | Part 1
- Adventure in a Maze
- Closest Palindrome
- Optimal binary search tree
- Assignment Problem
- Longest Path in a matrix
- Word Wrap
- Maximum sum Rectangle
- Huffman Encoding
- Water Connection Problem
- Find the Maximum Flow
- Smallest Positive Integer that can not be represented as Sum
- Secret Cipher
- Corona Vaccine
- Shortest Range In BST
- Elixir of Life
- Search Pattern (Z-algorithm)
- Number of subsets with product less than k
- Maximum XOR subarray
- Longest substring to form a Palindrome
- Minimum X (xor) A
- Minimum operations to convert array A to B
- Sorted Linked List to BST
- Palindrome Pairs
- Array Partition
- Number of distinct words with K maximum contiguous vowels
- Reverse a sublist of a linked list
- Word Ladder II
- Shortest Unique prefix for every word
- IPL 2021 - Final
- Count the number of subarrays
- Find the String
- Kth Smallest Number in Multiplication Table
- Geek in a Maze
- Candy
- Better String
- Median of the Subarrays
- Making A Large Island
- Rotate Array
- In new line
- Print Linked List
- Find Length of Linked List
- Check for Binary String
- Size of Binary Tree
- Count Leaves in Binary Tree
- Postorder Traversal
- Queue using Linked List
- Queue Using Array
- Replace all 0's with 5
- Count zeros in a sorted matrix
- Preorder Traversal
- First Occurence
- C++ STL | Set 1 (vector)
- C++ STL | Set 3 (map)
- C++ STL | Set 4 (stack)
- C++ STL | Set 5 (queue)
- C++ STL | Set 6 (set)
- Search a node in BST
- Equal Sum and XOR
- C++ STL | Set 7 (unordered map)
- C++ STL | Set 8 (unordered set)
- Smallest divisible number
- Remainder with 7
- Linked List Insertion At End
- Minimum element in BST
- Anagram of String
- Is Linked List Length Even?
- Identical Linked Lists
- Modular Node
- Sum of Binary Tree
- Insert in Middle of Linked List
- Pairwise Consecutive Elements
- Count Non-Leaf Nodes in Tree
- C++ STL List
- Start Coding
- The Size of
- Logical Operators
- Count Odd and Even
- Sort and Reverse Vector
- Front to Back
- Stack designer
- Queue Push & Pop
- Set Operations
- Map Operations
- Who has the majority?
- Array insert at end
- Storage classes in C
- Start coding - C
- Input/Output - C
- Sum of diagonals
- Absolute Value
- Convert Celsius To Fahrenheit
- Quadratic Equation Roots
- Bit Difference
- Number is sparse or not
- Binary To Gray Code Conversion
- Print 1 To N Without Loop
- Array Search
- Sorted Array Search
- Adding two matrices
- Multiply the matrices
- Binary String
- Sum of Digits of a Number
- Power Using Recursion
- Fibonacci Using Recursion
- Addition Under Modulo
- Multiplication Under Modulo
- Reverse a String
- Missing Characters in Panagram
- Keypad typing
- First n Fibonacci
- Binary Array Sorting
- C++ Hello World
- Find second largest element
- Searching in an Array
- Doubling the value
- Remove consonants from a string
- Balanced Array
- At least two greater elements
- Sort Array II
- Maximum product of two numbers
- Fighting the darkness
- The problem of identical arrays
- Immediate Smaller Element
- Uncommon characters
- String Reversal
- Repeated Character
- First 1 in a Sorted Binary Array
- Length of Last word
- Max and Min Product from 2 Arrays
- Elements in the Range
- Last index of One
- Upper Case Conversion
- String with numbers at its end
- Largest Element in Array
- Rotate Array by One
- Game with nos
- One odd Occuring
- Ishaan Loves Chocolates
- Array Subset
- Rotating an Array
- Minimum number to form the sum even
- Min and Max in Array
- Multiply left and right array sum
- Addition of Two Numbers
- 1s Complement
- Find position of set bit
- Set kth bit
- Factor OR Multiple
- set-bits and number
- Binary Shift to Divide
- Median of an Array
- Find N-th term in the series
- Factorial
- Binary number to decimal number
- Total digits
- Sum of elements in a matrix
- Count Squares
- Middle of Three
- Anshuman's Favourite Number
- Height of Heap
- Minimum difference pair
- Sorted matrix
- C++ | A Speed Breaker
- Variance of the array
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