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STREAK
01/1467
days
Longest streak/Global longest streak
584 points
Contributor
584 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
2 submissions in current year
SCHOOL (2)
BASIC (91)
EASY (166)
MEDIUM (143)
HARD (13)
- Reverse a linked list
- Inorder Traversal
- Bubble Sort
- Selection Sort
- Insertion Sort
- Check for BST
- Mirror 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
- Transform to Sum Tree
- Find Transition Point
- Queue using two Stacks
- Stack using two queues
- Reverse Level Order Traversal
- DFS of Graph
- Stack using Linked List
- Implement stack using array
- BFS of graph
- Identical Trees
- Square Root
- Insertion at doubly linked list
- Binary Search
- Run Length Encoding
- Level Order Line by Line
- Josephus problem
- Array Duplicates
- Three way partitioning
- Level order traversal
- Intersection of Two Linked Lists
- Reverse Using Stack
- Symmetric Tree
- Delete Alternate Nodes
- Find the Sum of Last N nodes of the Linked List
- Count Pairs whose sum is equal to X
- Find n/k th node in Linked list
- Linked List Matrix
- Queue Reversal
- Taking input
- Learn to Comment
- GetLine and Ignore
- Learning to be precise
- Bitwise Operators
- Even Odd
- While loop- printTable
- Learning Macros
- Step by Step Condition
- Matrix Interchange
- Swap the objects
- Structs and Objects
- Learning Structs
- Delete Array
- Find the Frequency
- Get min at pop
- Deque Implementations
- Operators in Python
- Comment in Python
- Logical Operators - Python
- Increment and Decrement - Python
- Bitwise Operators - Python
- If conditional statement- 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 I - Python
- sep and end in Print()
- Inorder traversal of a BST
- First Set 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
- Minimum adjacent difference in a circular array
- Frequencies in a Limited Array
- Array Leaders
- Count 1's in binary array
- Floor in a Sorted Array
- Intersection of two sorted arrays
- Closet 0s 1s and 2s
- Sort by Absolute Difference
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Separate chaining in Hashing
- Naive Pattern Search
- Linear Probing in Hashing
- Count Non-Repeated Elements
- Anagram
- Winner of an election
- String Rotated by 2 Places
- The Modified String
- Reverse Words
- Non Repeating Character
- Removing consecutive duplicates
- Removing consecutive duplicates - 2
- Parenthesis Checker
- K largest elements
- Minimum Cost of ropes
- N meetings in one room
- Largest number with given sum
- Count Digits in a Number
- Digital Root
- Power Set Using Recursion
- First Repeating Element
- Union of Arrays with Duplicates
- Common Elements
- Check Equal Arrays
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Search an element in sorted and rotated array
- Intersection of Arrays with Distinct
- Missing And Repeating
- Find Kth Rotation
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- String Duplicates Removal
- Min sum formed by digits
- Find Pair Given Difference
- Bitonic Point
- Left most and right most index
- Amend The Sentence
- Alternate Positive Negative
- Remove Consecutive Characters
- Remove Duplicates
- Second Largest
- Two Sum - Pair with Given Sum
- Find all pairs with a given sum
- Number of occurrence
- Find missing in second array
- Two sum -Pairs with 0 Sum
- Three Great Candidates
- Count the Zeros
- Palindrome String
- Minimum product pair
- Number of 1 Bits
- Find the Highest number
- Armstrong Numbers
- Count digits in a factorial
- Palindrome
- Prime Number
- Number of digits
- Party of Couples
- Shortest path from 1 to n
- Numbers having alternate bits in range 1 to n
- Squares in N*N Chessboard
- Trailing zeroes in factorial
- Maximum Height Tree
- Overlapping rectangles
- Plus One
- Reverse Bits
- Search insert position of K in a sorted array
- Nearly Sorted Algorithm
- Sort a linked list of 0s, 1s and 2s
- Detect Loop in linked list
- QuickSort on Doubly Linked List
- Merge Sort
- Quick Sort
- Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Delete without head pointer
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Connect Nodes of Levels
- Tree Boundary Traversal
- Delete a node from BST
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Two Stacks in an Array
- Binary Heap Operations
- The Celebrity Problem
- Find the number of islands
- Gas Station
- Multiply two strings
- Implement Atoi
- Palindrome Linked List
- Pots of Gold Game
- Find triplets with zero sum
- Top View of Binary Tree
- Peak element
- Merge Sort for Linked List
- Populate Inorder Successor for all nodes
- Leftmost and rightmost nodes of binary tree
- Construct Tree from Inorder & Preorder
- Predecessor and Successor
- ZigZag Tree Traversal
- C++ Friend function
- C++ Generic sort
- Swap Kth nodes from ends
- Rabin Karp - Pattern Searching
- Floor in BST
- Ceil in BST
- Count set bits
- Gray to Binary Conversion
- Tower Of Hanoi
- Reverse array in groups
- Power Of Numbers
- Wave Array
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Index
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Binary Array Sorting
- Count Inversions
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Count the number of possible triangles
- Merge Without Extra Space
- Merge three sorted arrays
- Closer to sort
- Spirally traversing a matrix
- Search in a sorted Matrix
- Rotate by 90 degree
- Subarray with 0 sum
- Sort Elements by Decreasing Frequency
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- Kth largest element
- Kth smallest element
- Nearly sorted
- Activity Selection
- Fractional Knapsack
- Job Sequencing Problem
- Minimum Platforms
- Egg Dropping Puzzle
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Largest number
- Number of Unique Paths
- Sort according to an Array
- Kth Smallest
- Nth Catalan Number
- Rotten Oranges
- Print Anagrams Together
- Closest Three Sum
- Generate Parentheses
- Word Search
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Maximum Sub Array
- Pascal Triangle
- Maximum Index
- Large Factorial
- Sum of Middle elements of two sorted arrays
- Single Among Doubles in a Sorted
- Single Among Doubles
- Mr Modulo and Pairs
- Search in Rotated Sorted Array
- Maximum Intervals Overlap
- Maximum Product Subarray
- k largest elements
- Longest Common Substring
- Longest Substring with K Uniques
- K-th element of two Arrays
- Longest Arithmetic Subsequence
- Rod Cutting
- First and Last Occurrences
- Next higher palindromic number using the same set of digits
- Permutations of a String
- Number following a pattern
- Subarrays Product Less than K
- Unique Number II
- Minimum number of deletions and insertions
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Sieve of Eratosthenes
- Perfect Sum Problem
- Power Set
- nCr
- Partition Equal Subset Sum
- Array Pair Sum Divisibility Problem
- Subset Sums
- Nth Natural Number
- Permutation with Spaces
- Return two prime numbers
- Find Prime numbers in a range
- Next Permutation
- How Many X's?
- Decode the string
- Total Decoding Messages
- Stream First Non-repeating
- Kth Largest in a Stream
- Express as sum of power of natural numbers
- Recursively Remove Adjacent Duplicates
- Subset Sum Problem
- Gray Code
- Target Sum
- Rotate Array
- Sort String
- Print Linked List
- Find Length of Linked List
- Power of Four
- Count Leaves in Binary Tree
- Postorder Traversal
- Queue using Linked List
- Queue Using Array
- Replace all 0's with 5
- Preorder Traversal
- First Occurence
- Search a node in BST
- Linked List Insertion At End
- Minimum element in BST
- Is Linked List Length Even?
- Identical Linked Lists
- Modular Node
- Insert in Middle of Linked List
- Pairwise Consecutive Elements
- Alternates in an Array
- Start Coding
- The Size of
- Logical Operators
- Count Odd and Even
- Sort and Reverse Vector
- Stack designer
- Queue Push & Pop
- 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
- Strongest Neighbour
- Array insert at index
- Array insert at end
- Operations on Stack
- Operations on Queue
- Absolute Value
- Convert Celsius To Fahrenheit
- 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
- C++ Hello World
- Sort the Half Sorted
- Sort a String
- Sort Array II
- Change the string
- Maximum product of two numbers
- Value equal to index value
- Segregate Even and Odd numbers
- Immediate Smaller Element
- Reversing the vowels
- Max and Min Product from 2 Arrays
- Elements in the Range
- Last index of One
- Merge two strings
- Largest Element in Array
- Rotate Array by One
- One odd Occuring
- Min and Max in Array
- Difference between highest and lowest occurrence
- GCD of Array
- Find unique element
- C++ Input / Output
- Find position of set bit
- Find the fine
- Shortest un-ordered subarray
- Greatest of three numbers
- Reverse digits
- Binary number to decimal number
- Sum of elements in a matrix
- Count Squares
- Middle of Three
- Minimum difference pair
- Sorted matrix
- Maximum subset XOR
- Smallest range in K lists
- Merge Sort on Doubly Linked List
- Pattern Search KMP
- Pattern Search
- Median of 2 Sorted Arrays of Different Sizes
- Ugly Numbers
- Edit Distance
- Stock Buy and Sell – Max K Transactions Allowed
- Matrix Chain Multiplication
- Median in a row-wise sorted Matrix
- Smallest Positive Integer that can not be represented as Sum
- Minimum operations to convert array A to B
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