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9926 points
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SCHOOL (1)
BASIC (52)
EASY (167)
MEDIUM (59)
HARD (9)
- Sorting Elements of an Array by Frequency
- Nearly Sorted Algorithm
- Sort a linked list of 0s, 1s and 2s
- Detect Loop in linked list
- Merge Sort
- Quick Sort
- Heap Sort
- Absolute List Sorting
- Multiply two strings
- Minimum Swaps to Sort
- Implement Atoi
- Delete keys in a Linked list
- Sort a stack
- Occurences of 2 as a digit
- Cat and Hat
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Kadane's Algorithm
- Majority Element
- Boolean Matrix
- Subarray with 0 sum
- Sort Elements by Decreasing Frequency
- Kth smallest element
- Sort according to an Array
- Nth Catalan Number
- Sort 0s, 1s and 2s
- Equal Sum
- Sum of Middle elements of two sorted arrays
- Consecutive 1's not allowed
- Count of Subarrays
- Single Among Doubles
- Search in Rotated Sorted Array
- Form the Largest Number
- Water Collection
- Row with max 1s
- Nuts and Bolts Problem
- Rotate a Matrix
- K-th element of two Arrays
- Missing element of AP
- First and Last Occurrences
- Palindrome in Alphanumeric String
- Valid Substring
- Subsequence matching
- Rotate String
- Unique Number II
- Modular Exponentiation
- Largest prime factor
- Fibonacci Sum
- Kth Smallest Factor
- Count ways to N'th Stair(Order does not matter)
- First Digit
- nCr
- Lucky alive person in a circle
- Return two prime numbers
- Sum of Query II
- Find Prime numbers in a range
- Find the Safe Position
- How Many X's?
- Sum of Query I
- Rotate Array
- Print Linked List
- Count Linked List Nodes
- Postorder Traversal
- Replace all 0's with 5
- Count zeros in a sorted matrix
- Preorder Traversal
- First Occurence
- Remainder with 7
- Is Linked List Length Even?
- Logical Operators
- Count Odd and Even
- 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
- Variable Arguments - Python
- Anonymous Functions - Python
- Sorted Array Search
- Binary Array Sorting
- First n Fibonacci
- Searching in an Array
- Sort The Array
- Confused pappu
- Quick Left Rotation
- Swap kth elements
- The Penalty Shootout
- Elements in the Range
- Last index of One
- Rotate Array by One
- Array Subset
- Rotating an Array
- Multiply left and right array sum
- Factors Sum
- Check for Power
- Smallest power of 2 greater than or equal to n
- Binary Shift to Divide
- Check perfect square
- Difference series
- Prime Number
- Anshuman's Favourite Number
- Series X1
- Repetitive Addition Of Digits
- Binary Addition of 1
- Sorted matrix
- Sahil loves gfg
- Sahil love good scorer
- Triangle and Square
- M and N
- Reverse a linked list
- Frequency in a Linked List
- Node at a given index in linked list
- Inorder Traversal
- Bubble Sort
- Selection Sort
- Insertion Sort
- Delete without head pointer
- Height of Binary Tree
- Kth from End of Linked List
- Middle of a Linked List
- Find Transition Point
- Binary Search
- Equilibrium index of an array
- Unique rows in boolean matrix
- Third largest element
- Find Maximum value
- Josephus problem
- Array Duplicates
- Special Stack
- Three way partitioning
- Level order traversal
- Counting Sort
- Reverse Using Stack
- The New Line
- Data Types
- Bitwise Operators
- Even Odd
- For Loop- primeCheck
- While loop- printTable
- Step by Step Condition
- Start Coding - Java
- The New Line - Java
- Data Types - Java
- Taking input - Java
- Learn to Comment - Java
- nextLine and next
- 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
- Xoring and Clearing
- Count Odd Even - Java
- Structs and Objects
- Learning Structs
- Maximum Area Rectangle
- Sum of Big Integers
- BigInteger Multiply
- BigInteger mod
- 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
- Regular Expressions 2 - Python
- String Functions - II - Python
- String Functions I - Python
- Intro to Lists - Python
- Count Even Odd - Python
- Functions in Lists - Python
- Classes and Objects - Python
- Average_Min_Max - Python
- Sorting in Lists - Python
- Intro to Dictionary - Python
- Dictionary in Python - II
- Dictionary in Python - III
- Set in Python - I
- Set in Python - II
- Is and In Operator
- sep and end in Print()
- Modules
- Power of 2
- Swap odd and even bits
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Print Matrix in snake Pattern
- Transpose of Matrix
- Anagram
- Reverse Words
- Minimum indexed character
- Non Repeating Character
- Parenthesis Checker
- First Repeating Element
- Union of Arrays with Duplicates
- Check Equal Arrays
- Missing in Array
- Intersection of Arrays with Distinct
- StayHomeTask
- Missing And Repeating
- Buildings receiving sunlight
- Non-Repeating Element
- Maximum Gap
- Common in 3 Sorted Arrays
- Sorted and Rotated Minimum
- Maximum no of 1's row
- Next greater number set digits
- Move All Zeroes to End
- Finding Number
- Bitonic Point
- Left most and right most index
- Convert a sentence into its equivalent mobile numeric keypad sequence
- Remove b and ac from a given string
- Sort in specific order
- Facing the sun
- Number of occurrence
- Find the most frequent digit
- Divisible by 8
- Convert an array to reduced form
- Segregate 0s and 1s
- Three Great Candidates
- Count the Zeros
- Distinct absolute array elements
- Pattern Searching
- Is Binary Number Multiple of 3
- Karatsuba Algorithm
- Divisibility by 8
- Number of 1 Bits
- Find the Highest number
- Set Bits
- Reverse Bits
- Nth Fibonacci Number
- Negation sum
- Game of Nim
- nCr
- Compute (a*b)%c
- Find sum of divisors
- Exponentiation (Set 2)
- Find maximum number
- N-divisors
- Number Of Open Doors
- Perfect Numbers
- Fibonacci Expression
- Game of cells
- Maximize Toys
- Page Faults in LRU
- Number of divisors in a given range
- Deficient Number
- Trailing zeroes in factorial
- Triangular Number
- Sum of First N Natural Numbers
- Right angled triangles
- Sum of product of all pairs
- Tom and Jerry
- Row with Minimum 1s
- Playing with mobile numbers
- Multiply two polynomials
- Overlapping rectangles
- Inverted triangle of stars
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