D
dkingg8803
STREAK
374/1477
days
Longest streak/Global longest streak
Language Used
Java, Python, C++
Coding Score
1499
Problem Solved
415
Contest Rating
__
Campus Mantri
zalabhah31214 points
Contributor
14 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
1 submissions in current year
SCHOOL (0)
BASIC (2)
EASY (142)
MEDIUM (219)
HARD (52)
- Reverse alternate nodes in Link List
- Sort a linked list of 0s, 1s and 2s
- Merge 2 sorted linked list in reverse order
- Quick Sort on Linked List
- Insert in Sorted Circular Linked List
- Quick Sort
- Heap Sort
- Two Stacks in an Array
- Topological sort
- Find kth element of spiral matrix
- Multiply two strings
- Implement Atoi
- Closest in BST
- BST with Dead End
- Merge two BST 's
- Root to leaf paths sum
- Find triplets with zero sum
- Duplicate Subtree
- Find Common Nodes in two BSTs
- Peak element
- Union of Two Linked Lists
- Euler circuit and Path
- Binary Tree to CDLL
- K Sum Paths
- Leftmost and rightmost nodes of binary tree
- Count the nodes at distance K from leaf
- Vertical sum
- Isomorphic Trees
- Maximum path sum from any node
- Predecessor and Successor
- Children Sum in a Binary Tree
- Normal BST to Balanced BST
- Kth Ancestor in a Tree
- Mother Vertex
- Smallest Positive Missing
- Power Of Numbers
- Maximum occured integer
- Wave Array
- Rearrange an array with O(1) extra space
- Maximum Index
- Kadane's Algorithm
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Merge Without Extra Space
- Level of Nodes
- Make Matrix Beautiful
- Boolean Matrix
- Determinant of a Matrix
- Subarray with 0 sum
- Strings Rotations of Each Other
- K Sized Subarray Maximum
- Fractional Knapsack
- Minimum Jumps
- Detect Cycle using DSU
- Stickler Thief
- Longest Increasing Subsequence
- Longest Common Subsequence
- Lucky Numbers
- Kth Smallest
- Implement Trie
- Shortest Common Supersequence
- Nth Catalan Number
- Top K Frequent in Array
- Word Break
- Stock Buy and Sell – Multiple Transaction Allowed
- Word Search
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Pascal Triangle
- Maximum Index
- Number of subarrays with maximum values in given range
- Flip Bits
- Top k numbers in a stream
- Consecutive 1's not allowed
- Pythagorean Triplet
- Painting the Fence
- Count pairs Sum in matrices
- Sum of bit differences
- Form the Largest Number
- Add Binary Strings
- Longest subarray with sum divisible by K
- Check if a string is repetition of its substring of k-length
- Column name from a given column number
- Substrings with K Distinct
- Cutting Binary String
- Max Sum without Adjacents
- Shuffle integers
- Find the N-th character
- k largest elements
- Sum of XOR of all pairs
- Longest Substring with K Uniques
- Longest Palindrome in a String
- Arranging the array
- Rod Cutting
- LCS of three strings
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- Minimize the Heights II
- Transform to prime
- First and Last Occurrences
- Minimum Deletions
- Permutations of a String
- Number following a pattern
- CamelCase Pattern Matching
- Subarrays Product Less than K
- Unique Number II
- Bleak Numbers
- Game of XOR
- Largest prime factor
- Modified Game of Nim
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Sequence of Sequence
- Santa Banta
- Gold Mine Problem
- Perfect Sum Problem
- Power Set
- Count ways to N'th Stair(Order does not matter)
- Knapsack with Duplicate Items
- nCr
- Partition Equal Subset Sum
- Count possible ways to construct buildings
- Count digit groupings of a number
- Array Pair Sum Divisibility Problem
- Matchsticks game
- Number of paths
- Number of paths in a matrix with k coins
- Game with String
- Smith Number
- How Many X's?
- Longest Repeating Subsequence
- Stream First Non-repeating
- Transitive closure of a Graph
- Replace O's with X's
- Express as sum of power of natural numbers
- Traverse All Edges And Vertices
- Find the string in grid
- Techfest and the Queue
- Shortest Source to Destination Path
- Remove K Digits
- Prefix match with other strings
- 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
- Remove and Reverse
- Find k-th smallest element in given n ranges
- Even Swap
- Reverse a Stack
- Maximum Meetings in One Room
- Max Equal sum of 3 Stacks
- Buy Maximum Stocks
- Graph is Tree or Not
- Minimum Multiplications to reach End
- Number Of Enclaves
- Eventual Safe States
- Geekland Colosseum
- Shortest path in Directed Acyclic Graph
- Minimal Cost
- Task Scheduler
- Hands of Straights
- Lemonade Change
- Maximum Sum Combination
- Partitions with Given Difference
- Floor in BST
- Water the plants
- Optimal Array
- Best Node
- Update Queries
- Maximum Intersecting Lines
- String rp or pr
- Knight in Geekland
- Shy Geek
- Count Special Numbers
- Minimum Steps Required
- Maximum Triplet product
- Second smallest number
- Special Palindrome Substrings
- Maximum Possible Value
- Distinct Difference
- Anagrams in Linked List
- Yet another query problem
- Geek hates too many 1s
- Maximum Length
- Remove the balls
- Unequal Arrays
- Job Sequencing Problem
- Bheem Wants Ladoos
- Prefix Suffix String
- Smaller Sum
- Shortest XY distance in Grid
- BST Maximum Difference
- Nearest smaller tower
- Another Coin Change Problem
- Geek's Village and Wells
- Find Number
- Powerful Integer
- Max Coins
- Good Subtrees
- Subtree In N-ary Tree
- Easy Task
- Add Minimum Characters
- Maximum subset sum
- Palindrome with minimum sum
- Count Total Setbits
- Tree Transformation
- Construct a Full Binary Tree
- Modify Linked List-1
- Find Kth permutation
- Fraction pairs with sum 1
- New Year Resolution
- Grinding Geek
- Flatten BST to sorted list
- Split array in three equal sum subarrays
- Pairwise swap elements of a linked list
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Reverse a Doubly Linked List
- Right View of Binary Tree
- Mirror Tree
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Decimal Equivalent of Binary Linked List
- Intersection Sorted Linked Lists
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Lowest Common Ancestor in a BST
- Binary Tree to BST
- Unique rows in boolean matrix
- Leaves at Same Level or Not
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Inorder Successor in BST
- Insert in a Sorted List
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Symmetric Tree
- Median of BST
- Leaf under budget
- Queue Reversal
- Reverse first K of a Queue
- Brothers From Different Roots
- Delete Mid of a Stack
- Swap the array elements
- Predict the Column
- Frequency in Queue
- Frequency Game
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Roof Top
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Matrix Boundary Traversal
- Winner of an election
- String Rotated by 2 Places
- Isomorphic Strings
- Reverse Words
- Panagram Checking
- Non Repeating Character
- Parenthesis Checker
- Minimum Cost of ropes
- Reach a given score
- Count number of hops
- Missing in Array
- Roman Number to Integer
- Adding Ones
- Move All Zeroes to End
- String Duplicates Removal
- Chocolate Distribution Problem
- Pairs with difference k
- Alternate Positive Negative
- Rotate Bits
- Number of occurrence
- Reversing the equation
- Does array represent Heap
- String's Count
- Play With OR
- At Least K Occurrences
- Find the closest pair from two arrays
- Palindrome String
- Total count
- Is Binary Number Multiple of 3
- Minimum Operations
- Divisibility by 8
- Number of 1 Bits
- Armstrong Numbers
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Copy Set Bits in Range
- Maximum Sum Problem
- 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
- Least Prime Factor
- Sum of First N Natural Numbers
- Recursive sequence
- Juggler Sequence
- Maximum Diamonds
- Surround the 1's
- Trace Path
- Inorder Traversal and BST
- Letters Collection
- Print Pattern
- Sum of dependencies in a graph
- Count the Substrings
- Smallest window containing 0, 1 and 2
- Police Station
- Maximum Depth Of Binary Tree
- Cutting Rectangles
- Frogs and Jumps
- Make Array Elements Equal
- Equal Left and Right Subarray Sum
- Make the array beautiful
- Remainder on dividing by 11
- Taxi Booking
- Max Level Sum in Binary Tree
- Binary matrix having maximum number of 1s
- Number of Subarrays of 0's
- Maximum Identical Bowls
- Bus Conductor
- Wifi Range
- Minimum Number
- Minimum Integer
- Seating Arrangement
- String Mirror
- Make Palindrome
- Binary Modulo
- Total Cuts
- Bit Magic
- Array Operations
- Dominant Pairs
- Total Traversal Time
- Ticket Counter
- Unique Number of Occurrences
- Meeting Rooms
- Linked List Group Reverse
- Binary Tree to DLL
- Min distance between two given nodes of a Binary Tree
- Subtraction in Linked List
- Distinct occurrences
- AVL Tree Insertion
- AVL Tree Deletion
- Nodes at given distance in binary tree
- String Permutations
- Smallest window containing all characters
- Solve the Sudoku
- Next Smallest Palindrome
- Search Pattern
- Number of distinct subsequences
- Wildcard string matching
- Circle of strings
- Longest repeating and non-overlapping substring
- Sum-string
- Palindromic Partitioning
- Next Happy Number
- Boolean Parenthesization
- Longest valid Parentheses
- 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 number of closed islands
- Find the String
- Articulation Point - I
- Stock Buy and Sell – Max 2 Transactions Allowed
- Largest rectangular sub-matrix whose sum is 0
- Vertex Cover
- Expression Add Operators
- Candy
- Better String
- Avoid Explosion
- Walls Coloring II
- Redundant Parenthesis
- Partition the Array
- Count Binary Strings With No Consecutive 1s
- Divide in Incremental Groups
- Max min Height
- Maximum Number of coins
- Median of the Subarrays
- Minimum BST Sum Subtree
- Special Digits
- Cake Distribution Problem
- Min Time
- Game Of Subsets
- Geekina Hate 1s
- Making A Large Island
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