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MEDIUM (491)
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- Linked List Group Reverse
- Reorder List
- Binary Tree to DLL
- Clone List with Next and Random
- Serialize and deserialize a binary tree
- LRU Cache
- Box Stacking
- Partition array to k subsets
- Alien Dictionary
- Smallest range in K lists
- AVL Tree Deletion
- Fixing Two nodes of a BST
- Number of Turns in Binary Tree
- Trapping Rain Water
- Max Circular Subarray Sum
- Pattern Search
- Histogram Max Rectangular Area
- Max of min for every window size
- Minimum Cost Path
- Median of Two sorted arrays
- Word Ladder I
- Median of 2 Sorted Arrays of Different Sizes
- Burning Tree
- Merge Without Extra Space
- Distinct palindromic substrings
- Search Pattern
- Count Smaller elements
- Number of distinct subsequences
- Maximum XOR subset
- Edit Distance
- Next Happy Number
- Check Tree Traversal
- Matrix Chain Multiplication
- Kill Captain America
- Generalised Fibonacci numbers
- Longest valid Parentheses
- Bike Racing
- Word Break - 2
- N-Queen Problem
- Brackets in Matrix Chain Multiplication
- nCr mod M | Part 1
- Closest Palindrome
- Optimal binary search tree
- Assignment Problem
- Longest Path in a matrix
- Maximum sum Rectangle
- Water Connection Problem
- Find the Maximum Flow
- Smallest Positive Integer that can not be represented as Sum
- Secret Cipher
- 132 Geeky Buildings
- Corona Vaccine
- Shortest Range In BST
- Elixir of Life
- Number of subsets with product less than k
- Minimum X (xor) A
- Word Break (Trie)
- Minimum operations to convert array A to B
- Sorted Linked List to BST
- Palindrome Pairs
- Array Partition
- Count occurrences of a given word in a 2-d array
- Reverse a sublist of a linked list
- Word Ladder II
- Shortest Unique prefix for every word
- Split Array Largest Sum
- Scrambled String
- Count the number of subarrays
- Kth Smallest Number in Multiplication Table
- Min Chars to Add for Palindrome
- Minimum time to fulfil all orders
- Geek in a Maze
- Count Reverse Pairs
- Select Nodes
- Largest Sum Cycle
- Fixing Two swapped nodes of a BST
- Shortest Path Using Atmost One Curved Edge
- Avoid Explosion
- Walls Coloring II
- Redundant Parenthesis
- Divide in Incremental Groups
- Max min Height
- Maximum Number of coins
- Median of the Subarrays
- Secret Cipher
- Rank of Matrix
- The Conversion To One
- Get the Shadow
- Finding the Coolest
- 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
- Detect Loop in linked list
- QuickSort on Doubly Linked List
- Count BST nodes that lie in a given range
- Check for BST
- Merge Sort
- Quick Sort
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Merge two sorted linked lists
- Add all greater values to every node in a BST
- Sum Tree
- Flattening a Linked List
- Diagonal Tree Traversal
- Stack using Queue
- Tree Boundary Traversal
- Implement stack using array
- Delete a node from BST
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Absolute List Sorting
- Two Stacks in an Array
- 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
- Get Min from Stack
- Gas Station
- Generate IP Addresses
- Check if subtree
- Kth smallest element in a Matrix
- Is Binary Tree Heap
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Largest BST
- Interleaved Strings
- Count Palindromic Subsequences
- Multiply two strings
- Minimum Swaps to Sort
- Implement Atoi
- Palindrome Linked List
- Rat in a Maze
- Bipartite Graph
- Pots of Gold Game
- Count distinct elements in every window
- Merge k Sorted Arrays
- Longest Palindrome in Linked List
- Find triplets with zero sum
- Sort a stack
- Top View of Binary Tree
- Level order traversal
- Peak element
- Polynomial Addition
- Delete nodes greater than k
- Merge Sort for Linked List
- Root to Leaf Paths
- Complete Binary Tree
- Counting elements in two arrays
- Linked List that is Sorted Alternatingly
- Foldable Binary Tree
- Construct Tree from Inorder & Preorder
- Vertical sum
- Leaves to DLL
- Children Sum in a Binary Tree
- Find length of Loop
- Count Number of SubTrees
- Cat and Hat
- Pairwise swap of nodes in Linked List
- Swap Kth nodes from ends
- Maximum Non-Adjacent Nodes Sum
- Floor in BST
- Ceil in BST
- Count set bits
- Gray to Binary Conversion
- Maximum AND Value
- Tower Of Hanoi
- Reverse array in groups
- Smallest Positive Missing
- Power Of Numbers
- Maximum occured integer
- 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
- Check if array is sorted and rotated
- Kadane's Algorithm
- Majority Element
- Binary Array Sorting
- Count Inversions
- Two Repeated Elements
- Smallest Positive missing number
- Unique BST's
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Count the number of possible triangles
- Sort by Absolute Difference
- Triplet Sum in Array
- Number of pairs
- Merge Without Extra Space
- Merge three sorted arrays
- Closer to sort
- 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
- Subarray range with given 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
- Minimum Cost of ropes
- Nearly sorted
- Find median in a stream
- Rearrange characters
- Activity Selection
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Largest number in K swaps
- Black and White
- Unique Subsets
- M-Coloring Problem
- Minimum Jumps
- Stickler Thief
- Ways to Reach the n'th Stair
- Egg Dropping Puzzle
- Optimal Strategy For A Game
- 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
- Nth number made of prime digits
- Nth Catalan Number
- Rotten Oranges
- Steps by Knight
- Count only Repeated
- Longest Subarray Of Evens And Odds
- Count subsequences of type a^i, b^j, c^k
- Maximize The Cut Segments
- Container With Most Water
- Print Anagrams Together
- Rotate by 90 degree
- Stock Buy and Sell – Multiple Transaction Allowed
- Generate Parentheses
- Prerequisite Tasks
- 4 Sum - All Quadruples
- Excel Sheet | Part - 1
- Maximum Water Between Two Buildings
- Sort 0s, 1s and 2s
- Pascal Triangle
- Equal Sum
- Maximize Number of 1's
- Equivalent Sub-Arrays
- Count Occurences of Anagrams
- Single Among Doubles
- Pair Sum Closest to 0
- Search in Rotated Sorted Array
- Smallest number with at least n trailing zeroes in factorial
- Count pairs Sum in matrices
- Maximum Intervals Overlap
- Maximize The Array
- Max Score from Subarray Mins
- Alternate Vowel and Consonant String
- Add Binary Strings
- Super Primes
- Maximum Product Subarray
- Longest subarray with sum divisible by K
- Check if a string is repetition of its substring of k-length
- Row with max 1s
- Check if frequencies can be equal
- 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
- Longest Subarray with Sum K
- Next Smaller Element
- Transform String
- Count the Reversals
- Number of positive integral solutions
- Sum of two large numbers
- Factorials of large numbers
- Reverse each word in a given string
- The Tiny Miny
- Sum of XOR of all pairs
- Magnet Array Problem
- Longest Common Substring
- Smallest distinct window
- Longest substring with distinct characters
- Longest Substring with K Uniques
- Look and Say Pattern
- Integer to Words
- K-th element of two Arrays
- String formation from substring
- Triplets with Smaller Sum
- Missing element of AP
- Minimum swaps and K together
- Smallest Absolute Difference
- Largest Sum Subarray of Size at least K
- Maximum difference of zeros and ones in binary string
- Number of palindromic strings
- Minimum sum
- Build the smallest
- Minimize the Heights II
- First and Last Occurrences
- Reaching the heights
- A difference of values and indexes
- Maximum Product of Increasing Subsequence of Size 3
- Permutations of a String
- Previous number in one swap
- Friends Pairing Problem
- Largest prime factor
- 3 Divisors
- Coin Change (Count Ways)
- Sieve of Eratosthenes
- Perfect Sum Problem
- Power Of 2 and Subsequences
- Kth Smallest Factor
- Firing employees
- nCr
- Number of ways
- Count of sum of consecutives
- Subsets with XOR value
- Maximum path sum in matrix
- Partition Equal Subset Sum
- Min Coin
- Lucky alive person in a circle
- Handshakes
- Count possible ways to construct buildings
- Count digit groupings of a number
- Probability of Knight
- Array Pair Sum Divisibility Problem
- Magic Triplets
- Brain Game
- Money Distributions
- Fill up buckets
- Find Last Digit Of a^b for Large Numbers
- Killing Spree
- Subset Sums
- N Digit numbers with digits in increasing order
- Yes XOR No
- Fill the Tank
- Akku and Binary Numbers
- Number of paths
- Nth Natural Number
- Knight Walk
- Permutation with Spaces
- LCM Triplet
- Return two prime numbers
- Find nth root of m
- Sum of Query II
- Fact Digit Sum
- Jumping Numbers
- Party in Town
- Game with String
- Count even length
- Fraction to Repeating Decimal
- Grouping Of Numbers
- Dudeney's Cow Problem
- Next Permutation
- Missing number in matrix
- Geek and knots
- Matrix Exponentiation
- Composite and Prime
- Finding Profession
- Total Decoding Messages
- Stream First Non-repeating
- 2D Hopscotch
- Villain Con
- Possible paths
- Segregate even and odd nodes in a Linked List
- Tricky Subset Problem
- Rat Maze With Multiple Jumps
- Kth Largest in a Stream
- Snake and Ladder Problem
- Product of Primes
- Eulerian Path in an Undirected Graph
- Replace O's with X's
- nCr mod M | Part 2
- Two odd Occuring
- Find all distinct subset (or subsequence) sums
- Broken blocks
- Shortest Uncommon Subsequence
- Nodes at even distance
- Help a Thief!!!
- Count the paths
- Floyd Warshall
- Negative weight cycle
- Flood fill Algorithm
- Array to BST
- Form coils in a matrix
- Base Equivalence
- Shortest Path between Cities
- Height Using Parent Array
- Police and Thieves
- Missing Point of a Parallelogram
- 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
- Bit Difference
- Ruling Pair
- Triplets in Sorted Linked List
- Restrictive Candy Crush
- Help Classmates
- Restricted Pacman
- Valentine Sum
- Lucy's Neighbours
- Spidey Sense
- Project Manager
- Closest Similar Elements
- Escape the Forbidden Forest
- Jump Game
- Triplets with sum with given range
- All Palindromic Partitions
- 3 Sum Closest
- Bellman-Ford
- Subarrays with sum K
- Remove BST keys outside given range
- Searching an element in a sorted array (Ternary Search)
- Capacity To Ship Packages Within D Days
- Distribute N candies among K people
- Remove K Digits
- Clone a stack without using extra space
- Maximum XOR of two numbers in an array
- 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
- Shortest Prime Path
- Cousins of a given node
- Division without using multiplication, division and mod operator
- Sort for Singly Linked List
- Minimize the Heights I
- Subsets
- IPL 2021 - Match Day 2
- All Unique Permutations of an array
- Course Schedule II
- Find and Replace in String
- Min Cost Climbing Stairs
- Overlapping Intervals
- Bitwise AND of the Array
- Remove and Reverse
- Longest Possible Route in a Matrix with Hurdles
- Farthest number
- Robots
- Hit most Balloons
- Concatenate Equal to Target
- Exactly one swap
- Maximum Winning score
- Compute Before Matrix
- Levels Of Game
- Smallest sum contiguous subarray
- Minimum Cost to cut a board into squares
- Validate Stack Operations
- Wine Buying and Selling
- 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
- Minimum Swaps
- Check if all levels of two trees are anagrams or not
- Number of Distinct Islands
- Shortest Distance in a Binary Maze
- K-periodic Circular String
- Minimum Multiplications to reach End
- Number Of Enclaves
- Safe States
- City With the Smallest Number of Neighbors at a Threshold Distance
- Merging Details
- Number of Ways to Arrive at Destination
- Path With Minimum Effort
- Cheapest Flights Within K Stops
- Connecting the graph
- Shortest Path in Undirected Graph
- Shortest path in Directed Acyclic Graph
- Majority Element - More Than n/3
- Sum of Beauty of All Substrings
- Grid Path 2
- Aggressive Cows
- Shortest Path in Weighted undirected graph
- Non-overlapping Intervals
- Insert Interval
- Floor in BST
- Triangle Path Sum
- Maximum Value
- Absolute difference divisible by K
- Make array elements unique
- Next Greater Element in Circular Array
- Find the first node of loop in linked list
- Carpet into Box
- Find minimum number of Laptops required
- Geeks And The String
- Maximum Points Covered
- Minimum repeat to make substring
- Paint N Houses
- Max Sum without Adjacents
- Intersection Point in Y Shaped Linked Lists
- BST Downward Traversal
- Length of the longest subarray with positive product
- Count number of free cell
- Maximum Bipartite Matching
- Minimum Days
- Prime List
- Walls Coloring
- Geeks Island
- Apple Sequences
- Connect Nodes at Same Level
- Unique Paths in a Grid
- Valid Compressed String
- Fill the Matrix
- Number of Good Components
- Optimal Array
- Best Node
- Update Queries
- Good Stones
- String rp or pr
- Count Cyclic Paths
- Maximum Triplet product
- Second smallest number
- Special Palindrome Substrings
- Maximum Possible Value
- Distinct Difference
- Anagrams in Linked List
- Yet another query problem
- Geek hates too many 1s
- Maximum Length
- Shortest XY distance in Grid
- BST Maximum Difference
- Remove the balls
- Possible Path
- Minimize the Difference
- Kth Missing Positive Number in a Sorted Array
- Count Subarrays with given XOR
- Set Matrix Zeros
- Count pairs with given sum
- Find All Triplets with Zero Sum
- Search in an almost Sorted Array
- Find H-Index
- Count all triplets with given sum in sorted array
- Nearest Perfect Square
- Geek and his Marks
- Geek-onacci Number
- Geek and Function |V
- Class Test
- Nearest Zero
- Reverse a linked list
- Frequency in a Linked List
- Pairwise swap elements of a linked list
- Remove duplicates from an unsorted linked list
- Delete in a Doubly Linked List
- Inorder Traversal
- Reverse a Doubly Linked List
- Bubble Sort
- Selection Sort
- Insertion Sort
- Right View of Binary Tree
- Mirror Tree
- Maximum Width of Tree
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Left View of Binary Tree
- Intersection Sorted Linked Lists
- Find Transition Point
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Postorder Traversal
- Level Order in spiral form
- DFS of Graph
- Stack using Linked List
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Square Root
- Insertion at doubly linked list
- Binary Search
- Remove Duplicates Sorted Array
- Level Order Line by Line
- BST Keys in a Range
- Third largest element
- C++ STL | Set 2 (pair)
- Search a node in BST
- Josephus problem
- Max distance between same elements
- Delete in a Singly Linked List
- Minimum distance in an Array
- Array Duplicates
- Special Stack
- Three way partitioning
- Inorder Successor in BST
- Index of an Extra Element
- Insert in a Sorted List
- Minimum element in BST
- More than n/k Occurrences
- Counting Sort
- Reverse Using Stack
- Next Right Node
- Find n/k th node in Linked list
- Queue Reversal
- Reverse first K of a Queue
- Move all zeros to the front of the linked list
- Delete Mid of a Stack
- Product of an Array
- 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
- Start Coding - Java
- The New Line - Java
- Data Types - Java
- Taking input - Java
- Learn to Comment - Java
- nextLine and next
- Precise Format - Java
- logical Operators - Java
- Bitwise Operators - Java
- Even Odd - Java
- For Loop- primeCheck - Java
- While loop- printTable - Java
- Step by Step Condition - Java
- Swap the array elements
- Count the Specials
- Matrix Interchange
- Predict the Column
- Consonants and Vowels check
- Count Odd Even - Java
- Need Some Change - Java
- Almost Equal -Java
- Count the Specials - Java
- Even Subsets - Java
- Matrix Interchange - Java
- Consonants and Vowels check - Java
- Predict the Column - Java
- Swap values using References
- Sum of Big Integers
- Pair Sum in Vector
- Student of the Year
- Reverse an Array
- Get min at pop
- Deque Implementations
- Repetitive Printing - Python
- Operators in Python
- Split the input - Python
- Comment in Python
- Logical Operators - Python
- Increment and Decrement - Python
- Bitwise Operators - Python
- If conditional statement- Python
- Check the status - Python
- Mark Even and Odd - Python
- For loop - Python
- For Loop 2- Python
- While loop in Python
- Jumping through While - Python
- Slicing in String - Python
- Repeat the Strings - Python
- String Functions - II - Python
- String Functions I - Python
- Intro to Lists - Python
- Count Even Odd - Python
- Classes and Objects - Python
- Intro to Dictionary - Python
- Dictionary in Python - II
- Dictionary in Python - III
- Is and In Operator
- sep and end in Print()
- Max and Second Max
- Hashing for pair - 1
- Hashing for pair - 2
- Inorder traversal of a BST
- Decimal to binary
- 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
- Mean And Median of Array
- Modular Inverse
- Power of 2
- Swap odd and even bits
- Minimum adjacent difference in a circular array
- 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
- Closet 0s 1s and 2s
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Interchanging the rows of a Matrix
- Reversing the columns of a Matrix
- Matrix Boundary Traversal
- Exchange matrix columns
- Separate chaining in Hashing
- Naive Pattern Search
- Linear Probing in Hashing
- Quadratic Probing in Hashing
- Check if a string is Isogram or not
- Count Non-Repeated Elements
- 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
- Removing consecutive duplicates
- Removing consecutive duplicates - 2
- Parenthesis Checker
- Generate Binary Numbers
- K largest elements
- N meetings in one room
- Largest number with given sum
- Count Digits in a Number
- Digital Root
- Power Set Using Recursion
- Union-Find
- Count number of hops
- Deque deletion
- Rotate Deque By K
- First Repeating Element
- Union of Arrays with Duplicates
- Check Equal Arrays
- Numbers containing 1, 2 and 3
- Positive Negative Pair
- Find Immediate Smaller Than X
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Intersection of Arrays with Distinct
- Max Value Permutation
- Missing And Repeating
- Find the closest number
- k sorted array
- Pairs with certain difference
- Common in 3 Sorted Arrays
- Sorted and Rotated Minimum
- Sum of elements between k1'th and k2'th smallest elements
- 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
- Chocolate Distribution Problem
- Find Pair Given Difference
- Bitonic Point
- Left most and right most index
- Smallest subarray with sum greater than x
- Sort Array II
- Alternate Positive Negative
- Rearrange a string
- Facing the sun
- Second Largest
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Rotate Bits
- Rearrange to Make arr[i] = i
- Find all pairs with a given sum
- Number of occurrence
- Reversing the equation
- Longest common prefix
- Convert an array to reduced form
- Check if array is sorted
- Sum Pair closest to target
- Longest Common Prefix of Strings
- Counts Zeros Xor Pairs
- Substrings with same first and last characters
- Two sum -Pairs with 0 Sum
- Hungry Pizza Lovers
- At Least K Occurrences
- Find the closest pair from two arrays
- Maximum sum of increasing order elements from n arrays
- Merge two binary Max heaps
- Four Elements
- Palindrome String
- Maximum average subarray
- Pair with given sum in a sorted array
- Balanced string
- Shop in Candy Store
- Partition a number into two divisible parts
- Adding Array Elements
- Number of 1 Bits
- Armstrong Numbers
- Midori and chocolates
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Change Bits
- Ceil The Floor
- Party of Couples
- Find sum of divisors
- Assign Mice Holes
- The Bit Game
- Swap bits
- Reach the Nth point
- Number Of Open Doors
- Break a number
- Perfect Numbers
- Nth item through sum
- Palindrome numbers
- Smallest number with sum of digits as N and divisible by 10^N
- Maximize Toys
- Largest number possible
- Trailing zeroes in factorial
- Circular Prime Number
- Tom and Jerry
- Arithmetic Number
- Make Zeroes
- Multiply two polynomials
- Inorder Traversal and BST
- Help the Old Man!!!
- Primes sum
- Print the pattern
- K-Ary Tree
- Check if it is possible to convert one string into another with given constraints
- Minimum Exchange
- Ball coloring
- Rearrange Geek and his Classmates
- Fraction Trouble
- Sum of k smallest elements in BST
- Gadgets of Doraland
- Plus One
- Sum of two numbers without using arithmetic operators
- Minimum steps to make product equal to one
- Even and Odd
- Search insert position of K in a sorted array
- Queue using stack
- Binary Search in forest
- Minimum Difference in an Array
- Check if a String is Subsequence of Other
- Maximum number of 2X2 squares
- Array Sum
- Minimum Swaps
- Checkmate
- Find all possible paths from top to bottom
- Smallest Subset with Greater Sum
- Minimum Sum of Absolute Differences of Pairs
- Smallest window containing 0, 1 and 2
- Can Make Triangle
- Matrix Operations
- Find pairs with given sum in doubly linked list
- Triangle and Square
- Palindromic array
- Seating Arrangement
- Minimum Integer
- Balloon Everywhere
- Min operations
- Maximum Frequency
- Police Station
- Pattern 2
- Pattern 3
- Pattern 4
- Fibonacci series up to Nth term
- Stock Buy and Sell – Max one Transaction Allowed
- Search in Linked List
- Array to Linked List
- Introduction to Doubly Linked List
- Minimize the sum
- Last modified ball
- Transform to Sum Tree
- Parent of Max GCD Siblings in a Binary Tree
- Maximum Weight Node
- Type it!
- Min operations
- Geek & Geekina Purchasing Ice Cream
- Toggle
- Last cell in a Matrix
- Balloon Everywhere
- Reverse both parts
- Cutting Rectangles
- Make Array Elements Equal
- Make the array beautiful
- Remainder on dividing by 11
- Is it Fibonacci
- Taxi Booking
- Max Level Sum in Binary Tree
- Binary matrix having maximum number of 1s
- Number of Subarrays of 0's
- Wifi Range
- Minimum Integer
- Total Traversal Time
- Magic and toy shop
- Unique Number of Occurrences
- Separate Stone
- Balloon Everywhere
- GCD 1
- Unique Largest element
- Increment or Decrement
- Return To Root
- Find fun(x)
- Minimum Number of Elements
- Count Pairs whose sum is less than target
- Intersection of Two arrays with Duplicate Elements
- Search in a row-wise sorted matrix
- Rotate Array
- Print Linked List
- Find Length of Linked List
- Power of Four
- 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)
- Sum Except First and Last
- Smallest divisible number
- Remainder with 7
- Palindromic Array
- Linked List Insertion At End
- Anagram of String
- Is Linked List Length Even?
- Identical Linked Lists
- Insert in Middle of Linked List
- Start Coding
- The Size of
- Logical Operators
- Count Odd and Even
- Sort and Reverse Vector
- Front to Back
- Start Coding - Python
- Space Seperated - Python
- Concatenating Strings - Python
- Taking input and typecasting - Python
- Taking input - Python
- Comparison Operators - Python
- Zero Converter - Python
- Welcome aboard - Python
- Regex - Python
- Iterating through Lists - Python
- Functions - Python
- Who has the majority?
- Strongest Neighbour
- Array insert at index
- Array insert at end
- Area and Volume of Cone
- C Switch case statement
- Storage classes in C
- Performance in Class
- Find number with given means
- 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
- Swapping in - C
- Square and square root
- Start coding - C
- The new line - C
- Input/Output - C
- Comments in C
- getchar and putchar - C
- Format specifier - C
- Reverse the number
- Binary to decimal
- Operations on Stack
- Operations on Queue
- 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
- Left Index
- Adding two matrices
- Multiply the matrices
- Binary String
- Remove common characters and concatenate
- Sum of Digits of a Number
- Power Using Recursion
- Fibonacci Using Recursion
- Addition Under Modulo
- Multiplication Under Modulo
- Reverse a String
- Insertion in deque
- Deque Traversal
- Keypad typing
- First n Fibonacci
- C++ Hello World
- Find second largest element
- Searching in an Array
- Balanced Array
- At least two greater elements
- Value equal to index value
- Fighting the darkness
- Uncommon characters
- Quick Left Rotation
- Swap kth elements
- Repeated Character
- Elements in the Range
- Largest Element in Array
- Rotate Array by One
- Game with nos
- One odd Occuring
- Ishaan Loves Chocolates
- Array Subset
- Rotating an Array
- Product is even or odd?
- Minimum number to form the sum even
- Min and Max in Array
- No of Carry Operations
- C++ Basic Data types
- GCD of two numbers
- Addition of Two Numbers
- C++ Input / Output
- 1s Complement
- Find position of set bit
- Decision Making in Java
- Java Hello World
- Check perfect square
- LCM And GCD
- House Robber
- Message Spreading
- Leap Year
- Strong Numbers
- Median of an Array
- Find N-th term in the series
- Celsius to Fahrenheit Conversion
- Factorial
- Greatest of three numbers
- Simple Interest
- Binary number to decimal number
- Common Divisors
- Count numbers divisible by M
- Matching Pair
- Middle of Three
- Swap two numbers
- Pairs of prime number
- Minimum difference pair
- Surface Area and Volume of Cuboid
- Pattern-1
- Pattern 1
- Pattern 5
- Naughty Geek
- Bit Maximization