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BASIC (34)
EASY (90)
MEDIUM (73)
HARD (11)
- Geek and New Job
- Reverse a linked list
- Reverse a Doubly Linked List
- Check for BST
- Delete without head pointer
- Kth from End of Linked List
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- Square Root
- Binary Search
- Find Maximum value
- Max distance between same elements
- Minimum distance in an Array
- Array Duplicates
- Level order traversal
- Index of an Extra Element
- Deque Implementations
- Min Heap implementation
- Hashing for pair - 1
- Hashing for pair - 2
- Mean And Median of Array
- Equilibrium Point
- Count 1's in binary array
- Count Non-Repeated Elements
- Print Non-Repeated Elements
- Anagram
- Winner of an election
- Reverse Words
- Non Repeating Character
- Parenthesis Checker
- Minimum Cost of ropes
- N meetings in one room
- Count Digits in a Number
- Reach a given score
- Count ways to N'th Stair
- Count number of hops
- Recursively Sum N Numbers
- Factorial Using Recursion
- Check Palindrome
- Uppercase to Lowercase
- Union of Arrays with Duplicates
- Nth number made of prime digits
- Count Elements Greater Than X
- Count Smaller Than X
- Find Immediate Smaller Than X
- Array Update At Index
- Array Delete And Shift
- Is Array Sorted
- Find Immediate Greater Than X
- Missing in Array
- Reverse The Array
- String Validation
- Insert In Sorted Linked List
- Delete Tail of Linked List
- Delete Head of Linked List
- Linked List Delete at Position
- Is Linked List Sorted
- Join Two Linked Lists
- Average of String
- Sum of Product of Digits
- Sum of Maximum And Minimum
- Break The Tie
- Pairwise swap of nodes in LinkeList
- Doubly Linked List Conversion
- Max Value Permutation
- Minimum Energy
- Maximize sum after K negations
- Adding Ones
- Sum of elements between k1'th and k2'th smallest elements
- Chocolate Distribution Problem
- Swap and Maximize
- Reorganize The Array
- Two Sum - Pair with Given Sum
- Two sum -Pairs with 0 Sum
- Smallest greater elements in whole array
- Shop in Candy Store
- Minimal moves to form a string
- Is Binary Number Multiple of 3
- Padovan Sequence
- Minimum Operations
- Number of 1 Bits
- Find nth root of m
- Rearrange the Digits
- Game of digits
- Rearrange Geek and his Classmates
- Print Diagonally
- Longest Palindrome in a given range
- Negative Prefix
- Geek and Snow Fighting
- Triangle and Square
- Rearrange characters
- Nearly Sorted Algorithm
- Count BST nodes that lie in a given range
- Intersection in Y Shaped Lists
- Connect Nodes of Levels
- Flattening a Linked List
- Max sum path in two arrays
- Largest subarray with 0 sum
- Generate IP Addresses
- Remove loop in Linked List
- Rat in a Maze Problem - I
- Number of root to leaf paths
- Delete keys in a Linked list
- Find triplets with zero sum
- Sort a stack
- Polynomial Addition
- Occurences of 2 as a digit
- Leaves to DLL
- Smallest Positive Missing
- Rearrange an array with O(1) extra space
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Case-specific Sorting of Strings
- Next Greater Element
- Kth smallest element
- Activity Selection
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Black and White
- Combination Sum
- Unique Subsets
- Longest Increasing Subsequence
- Number of Unique Paths
- Kth Smallest
- Container With Most Water
- Word Break
- Longest Subarray Length
- Sum of Differences
- Update The Nodes
- Sort 0s, 1s and 2s
- Single Among Doubles in a Sorted
- Sum of bit differences
- Nuts and Bolts Problem
- Factorials of large numbers
- Longest Common Substring
- Longest Palindrome in a String
- K-th element of two Arrays
- Rod Cutting
- Minimum number of deletions
- Permutations of a String
- Skip the work
- Minimum number of deletions and insertions
- Coin Change (Count Ways)
- Coin Change (Minimum Coins)
- Power Set
- Count ways to N'th Stair(Order does not matter)
- Partition Equal Subset Sum
- Array Pair Sum Divisibility Problem
- Permutation with Spaces
- Path of greater than equal to k length
- Choose and Swap
- Return two prime numbers
- Mics & Jury
- Is Sudoku Valid
- Check Mirror in N-ary tree
- Minimum times A has to be repeated such that B is a substring of it
- Connect Nodes at Same Level
- Watching movie
- Rotate Array
- Count Linked List Nodes
- Equal Sum and XOR
- Smallest divisible number
- Peak element
- Count Odd and Even
- Who has the majority?
- Array insert at index
- Array insert at end
- Absolute Value
- Convert Celsius To Fahrenheit
- Quadratic Equation Roots
- Print 1 To N Without Loop
- Array Search
- Sorted Array Search
- Sum of Digits of a Number
- Power Using Recursion
- Fibonacci Using Recursion
- Addition Under Modulo
- Print Array Elements Using Recursion
- Length of String
- Vowels in String
- Count Distinct Vowels in String
- Count Words in String
- Reverse a String
- Get Element At Index
- Maximum and Minimum In Array
- Balanced Array
- Fighting the darkness
- Rotate Array by One
- Rotating an Array
- Minimum number to form the sum even
- Smallest power of 2 greater than or equal to n
- Ways To Tile A Floor
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