diyaroy22
STREAK
296/1479
days
Longest streak/Global longest streak
Language Used
Java, Python, C++, C
Coding Score
1423
Problem Solved
433
Contest Rating
__
416 points
Contributor
416 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
3 submissions in current year
SCHOOL (0)
BASIC (8)
EASY (163)
MEDIUM (225)
HARD (37)
- Reverse alternate nodes in Link List
- Add Number Linked Lists
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Insert in Sorted Circular Linked List
- Merge Sort
- Quick Sort
- Binary Tree from Inorder and Postorder
- Delete without head pointer
- Merge two sorted linked lists
- Tree Boundary Traversal
- Directed Graph Cycle
- Undirected Graph Cycle
- Two Stacks in an Array
- The Celebrity Problem
- Largest subarray with 0 sum
- Max sum in the configuration
- Get Min from Stack
- Remove loop in Linked List
- Dijkstra Algorithm
- Additive sequence
- Multiply two strings
- Minimum Swaps to Sort
- Implement Atoi
- Palindrome Linked List
- Print matrix in diagonal pattern
- BST with Dead End
- Merge k Sorted Arrays
- Duplicate Subtree
- Find Common Nodes in two BSTs
- Level order traversal
- Peak element
- Euler Circuit in an Undirected Graph
- Euler circuit and Path
- Binary Tree to CDLL
- Root to Leaf Paths
- Linked List that is Sorted Alternatingly
- K Sum Paths
- Leftmost and rightmost nodes of binary tree
- Arrange Consonants and Vowels
- Count the nodes at distance K from leaf
- Vertical sum
- Isomorphic Trees
- Children Sum in a Binary Tree
- Diagonal sum in binary tree
- Normal BST to Balanced BST
- Sum of nodes on the longest path
- ZigZag Tree Traversal
- Mother Vertex
- Gray to Binary Conversion
- Tower Of Hanoi
- Power Of Numbers
- Maximum occured integer
- Wave Array
- Possible Words From Phone Digits
- Maximum Index
- Stock buy and sell
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Two Repeated Elements
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Triplet Sum in Array
- Level of Nodes
- Make Matrix Beautiful
- Boolean Matrix
- Spirally traversing a matrix
- Determinant of a Matrix
- Subarray with 0 sum
- Strings Rotations of Each Other
- Next Greater Element
- K Sized Subarray Maximum
- Fractional Knapsack
- Minimum Platforms
- Minimum Jumps
- Detect Cycle using DSU
- Stickler Thief
- Optimal Strategy For A Game
- Sum of all substrings of a number
- 0 - 1 Knapsack Problem
- Find median in a row wise sorted matrix
- Lucky Numbers
- Sort according to an Array
- Zero Sum Subarrays
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Top K Frequent in Array
- Word Break
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Paths to reach origin
- Maximum Sub Array
- Pascal Triangle
- Number of subarrays with maximum values in given range
- Top k numbers in a stream
- Sum of Middle elements of two sorted arrays
- Consecutive 1's not allowed
- Pythagorean Triplet
- Painting the Fence
- Count pairs Sum in matrices
- Sum of bit differences
- Form the Largest Number
- 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
- Swapping pairs make sum equal
- Check if frequencies can be equal
- Column name from a given column number
- Substrings with K Distinct
- Form a palindrome
- Nuts and Bolts Problem
- Max Sum without Adjacents
- Shuffle integers
- Find the N-th character
- k largest elements
- Sum of XOR of all pairs
- Smallest distinct window
- Longest Substring with K Uniques
- K-th element of two Arrays
- Arranging the array
- Triplets with Smaller Sum
- K closest elements
- Minimum swaps and K together
- LCS of three strings
- Largest Sum Subarray of Size at least K
- First negative in every window of size k
- Minimum sum
- Minimize the Heights II
- Transform to prime
- First and Last Occurrences
- Reaching the heights
- Minimum Deletions
- Print N-bit binary numbers having more 1s than 0s
- Number following a pattern
- Sum of Products
- Subarrays Product Less than K
- Unique Number II
- Bleak Numbers
- Modular Exponentiation
- Game of XOR
- Modified Game of Nim
- Maximize dot product
- Max Sum Increasing Subsequence
- Minimum cost to fill given weight in a bag
- Coin Change (Count Ways)
- Sequence of Sequence
- Sieve of Eratosthenes
- String Subsequence
- Gold Mine Problem
- Perfect Sum Problem
- Trail of ones
- K-Palindrome
- Longest subsequence-1
- Power Set
- Minimum Cost To Make Two Strings Identical
- Knapsack with Duplicate Items
- Geek and its Game of Coins
- Minimum steps to destination
- Partition Equal Subset Sum
- Count possible ways to construct buildings
- Count digit groupings of a number
- Array Pair Sum Divisibility Problem
- Number of paths
- Number of paths in a matrix with k coins
- Find nth root of m
- Game with String
- Smith Number
- Next Permutation
- Maximum sum of hour glass
- How Many X's?
- Exit Point in a Matrix
- Finding Profession
- Transitive closure of a Graph
- Replace O's with X's
- Rohan's Love for Matrix
- Traverse All Edges And Vertices
- Find the string in grid
- Floyd Warshall
- Techfest and the Queue
- Largest subsquare surrounded by X
- Divisibility tree
- Bellman-Ford
- Subarrays with sum K
- Remove K Digits
- Construct list using given q XOR queries
- Find duplicate rows in a binary matrix
- Paths from root with a specified sum
- Shortest Prime Path
- Sort for Singly Linked List
- Anti Diagonal Traversal of Matrix
- Unique Number III
- All Unique Permutations of an array
- Course Schedule
- Clone an Undirected Graph
- Overlapping Intervals
- Find Kth permutation
- Maximum product subset of an array
- Maximum Meetings in One Room
- Buy Maximum Stocks
- Find shortest safe route in a matrix
- Graph is Tree or Not
- Shortest Distance in a Binary Maze
- Minimum Multiplications to reach End
- Number Of Enclaves
- Eventual Safe States
- City With the Smallest Number of Neighbors at a Threshold Distance
- Path With Minimum Effort
- Combination Sum II
- Minimum Absolute Difference In BST
- Maximum Sum Combination
- Partitions with Given Difference
- Floor in BST
- Water the plants
- Number of Good Components
- Powerful Integer
- New Year Resolution
- Grinding Geek
- Flatten BST to sorted list
- Minimize the Difference
- Pairs violating the BST property
- Kth common ancestor in BST
- ASCII Range Sum
- Reverse a linked list
- Pairwise swap elements of a linked list
- Delete nodes having greater value on right
- Reverse a Doubly Linked List
- Check for BST
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Left View of Binary Tree
- Delete Middle of Linked List
- Decimal Equivalent of Binary Linked List
- Intersection Sorted Linked Lists
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- Reverse Level Order Traversal
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Nodes without a Sibling
- Remove Duplicates Sorted Array
- Binary Tree to BST
- Remove every k'th node
- Leaves at Same Level or Not
- You and your books
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Three way partitioning
- Inorder Successor in BST
- Index of an Extra Element
- Insert in a Sorted List
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Symmetric Tree
- Count Pairs whose sum is equal to X
- Leaf under budget
- Reverse first K of a Queue
- Closest Neighbour in BST
- Brothers From Different Roots
- Start Coding - Java
- The New Line - 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
- Predict the Column
- Xoring and Clearing
- Count Odd Even - Java
- The Pattern Matcher - 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
- Xoring and Clearing - Java
- Pair in Java
- Maximum Area Rectangle
- Sum of Big Integers
- BigInteger Multiply
- BigInteger mod
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Matrix Boundary Traversal
- Anagram
- Winner of an election
- String Rotated by 2 Places
- Isomorphic Strings
- Reverse Words
- Panagram Checking
- Parenthesis Checker
- Reach a given score
- Count ways to N'th Stair
- Count number of hops
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Search an element in sorted and rotated array
- Missing And Repeating
- Count the elements
- Find the closest number
- Maximize sum after K negations
- Pairs with certain difference
- Number and the Digit Sum
- Sorted and Rotated Minimum
- Move All Zeroes to End
- String Duplicates Removal
- Find Pair Given Difference
- Swap and Maximize
- Smallest subarray with sum greater than x
- Alternate Positive Negative
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Rotate Bits
- Find all pairs with a given sum
- Number of occurrence
- Does array represent Heap
- Find missing in second array
- String's Count
- Longest Common Prefix of Strings
- Two sum -Pairs with 0 Sum
- Play With OR
- At Least K Occurrences
- Find the closest pair from two arrays
- Merge two binary Max heaps
- First and Second Smallests
- Palindrome String
- Search array with adjacent diff at most k
- Count number of words
- Odd Even Problem
- Binary representation of next number
- Minimum Operations
- Divisibility by 8
- Find the Highest number
- Reverse Bits
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Swap two nibbles in a byte
- Maximum Sum Problem
- Party of Couples
- Shortest path from 1 to n
- Sum 1 to n Divisors
- Reach the Nth point
- Perfect Numbers
- Largest number possible
- Recamans sequence
- Form a number divisible by 3 using array digits
- Recursive sequence
- Juggler Sequence
- Row with Minimum 1s
- Surround the 1's
- Inorder Traversal and BST
- Letters Collection
- Print Pattern
- Sum of dependencies in a graph
- 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
- Insert an Element at the Bottom of a Stack
- Fibonacci series up to Nth term
- Divisor Game
- Min distance between two given nodes of a Binary Tree
- Serialize and deserialize a binary tree
- Subtraction in Linked List
- Distinct occurrences
- AVL Tree Insertion
- AVL Tree Deletion
- Merge Sort on Doubly Linked List
- Nodes at given distance in binary tree
- Trapping Rain Water
- Count Pairs in an Array
- Search Pattern
- Number of distinct subsequences
- Wildcard string matching
- Longest repeating and non-overlapping substring
- Sum-string
- Minimum Points To Reach Destination
- Palindromic Partitioning
- Strictly Increasing Array
- Generalised Fibonacci numbers
- Boolean Parenthesization
- Possible Paths in a Tree
- Brackets in Matrix Chain Multiplication
- Search Pattern (Rabin-Karp Algorithm)
- Find all Critical Connections in the Graph
- Distribute candies in a binary tree
- Split Array Largest Sum
- Find the String
- Stock Buy and Sell – Max 2 Transactions Allowed
- Largest rectangular sub-matrix whose sum is 0
- Vertex Cover
- Interesting Number
- Minimize Max Distance to Gas Station
- Candy
- Account Merge
- Better String
- Geekina Hate 1s
- Making A Large Island
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