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Articles
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monika048
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Current POTD Streak
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/969
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Institution
abc
Language Used
Java, C++, C
Overall Coding Score
910
Total Problem Solved
360
Monthly Coding Score
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SCHOOL (4)
BASIC (37)
EASY (129)
MEDIUM (161)
HARD (29)
Binary representation
Reversing the vowels
Armstrong Numbers
Sum of Array Elements
Reverse array in groups
Count Leaves in Binary Tree
Good or Bad string
Sort first half in ascending and second half in descending
Maximum weight difference
Change the string
Binary Search
Toggle bits in the given range
Set kth bit
Bit Difference
Number is sparse or not
Implement Stack using Linked List
Index of first 1 in a sorted array of 0s and 1s
Find position of set bit
Array Subset of another array
Power of 2
Replace the Bit
Sort in specific order
URLify a given string
Sorting Employees
Check set bits
Finding Position
Ways To Tile A Floor
Rotate Array
Check if given four points form a square
Check if a number can be expressed as x^y
Exceptionally odd
Replace all 0's with 5
Minimum difference pair
Maximum repeating number
Unique Numbers
Half N by M
Binary String
Uncommon characters
Maximum money
Extract Maximum
Minimize string value
Check if two strings are k-anagrams or not
Find the Frequency
Mirror Tree
Meta Strings
Generate binary string
Frequency Game
Key Pair
Remove b and ac from a given string
Root to leaf paths sum
Count BST nodes that lie in a given range
Lowest Common Ancestor in a BST
Convert array into Zig-Zag fashion
Minimize the sum of product
Huffman Decoding-1
Shop in Candy Store
Maximize Toys
BFS of graph
DFS of Graph
Pairwise swap elements of a linked list
Delete without head pointer
Reverse a linked list
Nth node from end of linked list
Missing number in array
Reverse words in a given string
Count number of hops
Minimum number of Coins
Minimum Operations
Check for Balanced Tree
Height of Binary Tree
Symmetric Tree
Determine if Two Trees are Identical
Level order traversal in spiral form
Check for BST
Left View of Binary Tree
Count ways to N'th Stair
Amend The Sentence
Pascal Triangle
Inverted triangle of stars
Number of 1 Bits
Pair cube count
Sort the given array after applying the given equation
Finding middle element in a linked list
Colorful Strings
Buildings receiving sunlight
Tom and Jerry
Find the element that appears once in sorted array
Find first set bit
Rightmost different bit
Check whether K-th bit is set or not
Rotate Bits
Swap all odd and even bits
Longest Consecutive 1's
Party of Couples
Josephus problem
Minimum indexed character
First element to occur k times
Count distinct elements in every window
Queue using two Stacks
Detect Loop in linked list
Anagram
Chocolate Distribution Problem
Leaders in an array
Equilibrium Point
Rotation
Level order traversal
Given a linked list of 0s, 1s and 2s, sort it.
Overlapping rectangles
Rotate by 90 degree
Kth largest element in BST
Binary Tree to BST
Triplet with 0 sum in BST
Print BST elements in given range
Inorder Successor in BST
Sum of length
Possible Pairs
Merge two binary Max heaps
Sum of product of all pairs
Minimum value product
LIS in circular manner
Count all possible paths from top left to bottom right
Rearrange a string
Carry counter
Decode It
String Ignorance
Money Division
Closest Strings
Primes sum
Maximize dot product
Twice Counter
Second most repeated string in a sequence
Make a Palindrome
Remove Duplicates
Remove all duplicates from a given string
Print Pattern
Roman Number to Integer
Maximum no of 1's row
Common elements
Nth item through sum
Search in a matrix
First Repeating Element
Pattern Searching
Number of Groups
Bitonic Point
Product Pair
Is Binary Number Multiple of 3
Generate Binary Numbers
Element that appears once where every element occurs twice
Longest Distinct characters in string
Single Number
Count Substrings
Move all zeroes to end of array
Left most and right most index
Minimum element in a sorted and rotated array
Floor in a Sorted Array
Reach the Nth point
Number of 1's in smallest repunits
Check if string is rotated by two places
Magic Number
Non Repeating Character
Max value
Equal point in a string of brackets
Find all pairs with a given sum
Parenthesis Checker
Finding Number
Four Elements
Wave Array
Fill array with 1's
Element with left side smaller and right side greater
Palindrome numbers
Find Indexes of a subarray with given sum
Stock buy and sell
The Celebrity Problem
Find the number of islands
Interleaved Strings
Find largest word in dictionary
Circular tour
Maximum Product Subarray
Minimum times A has to be repeated such that B is a substring of it
Next Permutation
X Total Shapes
Generate Parentheses
Rod Cutting
Form a palindrome
Longest Palindromic Subsequence
Special Keyboard 2
Covid Spread
Peak element
k-th smallest element in BST
Egg Dropping Puzzle
Prerequisite Tasks
Kth smallest element
Sort an array of 0s, 1s and 2s
Kadane's Algorithm
Find Missing And Repeating
0 - 1 Knapsack Problem
Maximum sum increasing subsequence
Minimum number of jumps
Longest Common Subsequence
Max length chain
Longest Increasing Subsequence
Choose and Swap
Topological sort
Detect cycle in a directed graph
Kth largest element in a stream
Rearrange characters
Heap Sort
Shortest Common Supersequence
Optimal Strategy For A Game
Maximize The Cut Segments
Equal Sum Partition
Coin Change
Minimum number of jumps
Longest Common Substring
Serialize and deserialize a binary tree
Connect Nodes at Same Level
Find whether path exist
Shortest Source to Destination Path
Strongly Connected Components (Kosaraju's Algo)
Implementing Dijkstra Algorithm
Minimum Swaps to Sort
Detect cycle in an undirected graph
Largest Independent Set Problem
Minimize the Heights II
Flattening a Linked List
Integer to Words
Water Overflow
Total Decoding Messages
Longest Even Length Substring
Add two numbers represented by linked lists
k largest elements
K-th element of two Arrays
Merge Sort
Quick Sort
Special Keyboard
Number of paths
Largest subarray with 0 sum
Diameter of a Binary Tree
Bottom View of Binary Tree
Get minimum element from stack
Intersection Point in Y Shaped Linked Lists
Merge two sorted linked lists
Remove loop in Linked List
Rotate a Linked List
Implement Atoi
Longest Palindrome in a String
Permutations of a given string
Pythagorean Triplet
Trapping Rain Water
Kth smallest element
Maximum of all subarrays of size k
Number following a pattern
Maximum path sum in matrix
Delete nodes greater than k
Sorted insert for circular linked list
Merge 2 sorted linked list in reverse order
Construct Tree from Inorder & Preorder
Count the nodes at distance K from leaf
Check if Tree is Isomorphic
Majority Element
Add Binary Strings
Tic Tac Toe
Reverse each word in a given string
Unique BST's
Find a pair with given target in BST
Add all greater values to every node in a BST
Largest BST
Array to BST
Predecessor and Successor
Find distinct elements
Infix to Postfix
Subarray with 0 sum
Sub-Array sum divisible by K
Construct Binary Tree from Parent Array
Reverse a Linked List in groups of given size
QuickSort on Doubly Linked List
Count subsequences of type a^i, b^j, c^k
Stepping Numbers
Magnet Array Problem
Largest Sum Subarray of Size at least K
Maximum sum Rectangle
Maximum Intervals Overlap
Job Sequencing Problem
CamelCase Pattern Matching
Array Pair Sum Divisibility Problem
Count possible ways to construct buildings
N Digit numbers with digits in increasing order
Two water Jug problem
Largest prime factor
Express as sum of power of natural numbers
First non-repeating character in a stream
Stickler Thief
Construct Binary Tree from Inorder and Postorder
Rearrange an array with O(1) extra space
Find Prime numbers in a range
Sort an array according to the other
Column name from a given column number
Maximize The Array
Consecutive 1's not allowed
Excel Sheet | Part - 1
Zero Sum Subarrays
Longest Bitonic subsequence
Mobile numeric keypad
Sorting Elements of an Array by Frequency
Jumping Numbers
Spirally traversing a matrix
Print Anagrams Together
Possible groups
Count the number of possible triangles
Number of Coins
Largest Number formed from an Array
Dice throw
Sum of two elements with sum nearest to zero
String formation from substring
Non Repeating Numbers
Number of occurrence
Longest consecutive subsequence
Next Greater Element
Game of XOR
Sum of Middle Elements of two sorted arrays
Count of n digit numbers whose sum of digits equals to given sum
Count ways to N'th Stair(Order does not matter)
Count ways to reach the n'th stair
Search in a Rotated Array
Maximum Index
Minimum Platforms
Smallest distinct window
Game with String
Huffman Encoding
Overlapping Intervals
Smallest Positive missing number
Smallest window in a string containing all the characters of another string
Sorted Link List to BST
Edit Distance
Minimum sum partition
Maximum Path Sum between 2 Special Nodes
Binary Tree to DLL
Maximum subset XOR
Merge two BST 's
Median in a row-wise sorted Matrix
Distinct palindromic substrings
Nodes at given distance in binary tree
AVL Tree Insertion
AVL Tree Deletion
Largest rectangle of 1s with swapping of columns allowed
Maximum of minimum for every window size
Reorder List
Fixing Two nodes of a BST
Longest valid Parentheses
Minimum Points To Reach Destination
Merge Without Extra Space
Find median in a stream
Wildcard Pattern Matching
Longest Palindromic Substring in Linear Time
Return two prime numbers
Maximum Rectangular Area in a Histogram
Next Smallest Palindrome
Longest Prefix Suffix
Form a palindrome
Palindromic Partitioning