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harikeso6du
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114/1534
days
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Language Used
C++, Java, Python, Javascript, C
Coding Score
2022
Problem Solved
651
Contest Rating
1672
Campus Mantri
harikeso6du307 submissions in current year
SCHOOL (0)
BASIC (87)
EASY (214)
MEDIUM (303)
HARD (47)
- Sort a linked list of 0s, 1s and 2s
- Detect Loop in linked list
- Quick Sort on Linked List
- Insert in Sorted Circular Linked List
- Merge Sort
- Quick Sort
- Bottom View of Binary Tree
- Intersection in Y Shaped Lists
- Heap Sort
- Flattening a Linked List
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Two Stacks in an Array
- Max sum path in two arrays
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological sort
- Merge K sorted linked lists
- Find the number of islands
- Gas Station
- Linked List to Binary Tree
- Kth element in Matrix
- Is Binary Tree Heap
- Dijkstra Algorithm
- Minimum Spanning Tree
- Largest BST
- Multiply two strings
- Implement Atoi
- Palindrome Linked List
- Strongly Connected
- Rat in a Maze
- BST with Dead End
- Merge two BST 's
- Count distinct elements in every window
- Root to leaf paths sum
- Sort a stack
- Top View of Binary Tree
- k-th Smallest in BST
- Merge Sort for Linked List
- Euler circuit and Path
- Ancestors in Binary Tree
- Binary Tree to CDLL
- Pair Sum in BST
- Root to Leaf Paths
- Populate Inorder Successor for all nodes
- XOR Linked List
- Counting elements in two arrays
- K Sum Paths
- Construct Tree from Inorder & Preorder
- Insert in Sorted way in a Sorted DLL
- Maximum path sum
- Predecessor and Successor
- Children Sum in a Binary Tree
- Find length of Loop
- Deletion and Reverse in Circular Linked List
- Duplicate Subtrees
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- ZigZag Tree Traversal
- Vertical Width of a Binary Tree
- Swap Kth nodes from ends
- Maximum Non-Adjacent Nodes Sum
- Ceil in BST
- Smallest Positive Missing
- Possible Words From Phone Digits
- Rotate and delete
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Indexes of Subarray Sum
- Count the number of possible triangles
- Sort by Absolute Difference
- Merge Without Extra Space
- Make Matrix Beautiful
- Spirally traversing a matrix
- Search in a sorted Matrix
- Determinant of a Matrix
- Subarray with 0 sum
- Subarray range with given sum
- Longest Consecutive Subsequence
- Case-specific Sorting of Strings
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- K Sized Subarray Maximum
- Nearly sorted
- Fractional Knapsack
- Minimum Platforms
- Largest number in K swaps
- M-Coloring Problem
- Minimum Jumps
- Detect Cycle using DSU
- Stickler Thief
- Ways to Reach the n'th Stair
- Sum of all substrings of a number
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Allocate Minimum Pages
- Kth Smallest
- Shortest Common Supersequence
- Container With Most Water
- Rotate by 90 degree
- Closest Three Sum
- Stock Buy and Sell – Multiple Transaction Allowed
- Sort 0s, 1s and 2s
- Pascal Triangle
- Number of subarrays with maximum values in given range
- Sum of Subarrays
- Top k numbers in a stream
- Longest Span in two Binary Arrays
- Maximize Number of 1's
- Consecutive 1's not allowed
- Split the Array
- Pythagorean Triplet
- Painting the Fence
- Search in Rotated Sorted Array
- Form the Largest Number
- Add Binary Strings
- Maximum Product Subarray
- Longest subarray with sum divisible by K
- Check if a string is repetition of its substring of k-length
- Sort the given array after applying the given equation
- Check if frequencies can be equal
- Substrings with K Distinct
- Palindrome SubStrings
- Rotate a Matrix
- Longest Subarray with Sum K
- Next Smaller Element
- Count the Reversals
- Cutting Binary String
- Max Sum without Adjacents
- Shuffle integers
- k largest elements
- Longest Common Substring
- Smallest distinct window
- Longest Substring with K Uniques
- Longest Palindrome in a String
- Look and Say Pattern
- K-th element of two Arrays
- Rod Cutting
- Missing element of AP
- LCS of three strings
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- First negative in every window of size k
- Equalize the Towers
- Minimum sum
- Not a subset sum
- Minimize the Heights II
- Transform to prime
- Minimum Deletions
- Nine Divisors
- Shop in Candy Store
- Permutations of a String
- Unique Number II
- Game of XOR
- Modified Game of Nim
- Minimum number of deletions and insertions
- Coin Change (Count Ways)
- Sequence of Sequence
- Mobile numeric keypad
- Gold Mine Problem
- Coin Change (Minimum Coins)
- Perfect Sum Problem
- Trail of ones
- Next Prime Number
- 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
- Array Pair Sum Divisibility Problem
- Subset Sums
- Nth Natural Number
- LCM Triplet
- Game with String
- Smith Number
- Next Permutation
- Smaller on Left
- How Many X's?
- Power of k in factorial of n
- Rotate Each Row of Matrix K Times
- Decode the string
- Stream First Non-repeating
- Print leaf nodes from preorder traversal of BST
- Two odd Occuring
- Floyd Warshall
- Flood fill Algorithm
- Techfest and the Queue
- Fun With Expresions
- Police and Thieves
- Help Classmates
- Iterative Postorder
- Subset Sum Problem
- All Palindromic Partitions
- Bellman-Ford
- Subarrays with sum K
- Coin Piles
- Remove K Digits
- Substrings of length k with k-1 distinct elements
- Maximum XOR of two numbers in an array
- Number of Provinces
- Shortest Prime Path
- Insertion Sort for Singly Linked List
- Remove all occurences of duplicates in a linked list
- Minimize the Heights I
- Rank The Permutations
- Anti Diagonal Traversal of Matrix
- IPL 2021 - Match Day 2
- Unique Number III
- All Unique Permutations of an array
- Min Cost Climbing Stairs
- Overlapping Intervals
- Reverse a Stack
- K-th Largest Sum Contiguous Subarray
- Maximum Meetings in One Room
- Buy Maximum Stocks
- Interleave the First Half of the Queue with Second Half
- Minimum Cost to cut a board into squares
- Graph is Tree or Not
- Next element with greater frequency
- Sort a k sorted doubly linked list
- Number of Distinct Islands
- Shortest Distance in a Binary Maze
- Minimum Multiplications to reach End
- Shortest Path in Undirected Graph
- Shortest path in Directed Acyclic Graph
- Majority Element - More Than n/3
- Find length of the longest subarray containing atmost two distinct integers
- Sum of subarray minimum
- Frog Jump
- Minimal Cost
- Geek's Training
- Aggressive Cows
- Check if there exists a subsequence with sum K
- Number of greater elements to the right
- Shortest Path in Weighted undirected graph
- Prime Factorization using Sieve
- Minimum days to make M bouquets
- Generate all binary strings
- Delete all occurrences of a given key in a doubly linked list
- Maximum Sum Combination
- Non-overlapping Intervals
- Stickler Thief II
- Insert Interval
- Shortest Job first
- Introduction to DP
- Partitions with Given Difference
- Floor in BST
- Largest Divisible Subset
- Make array elements unique
- Next Greater Element in Circular Array
- Find the longest string
- Minimum repeat to make substring
- Prime List
- Water the plants
- Unique Paths in a Grid
- Powerful Integer
- New Year Resolution
- Grinding Geek
- Maximum Skill 2
- Kth Missing Positive Number in a Sorted Array
- Count Subarrays with given XOR
- Set Matrix Zeros
- Connected Components in an Undirected Graph
- Find All Triplets with Zero Sum
- Split array in three equal sum subarrays
- Last Moment Before All Ants Fall Out
- Search in an almost Sorted Array
- Find H-Index
- Count Valid Pairs
- Minimum Time to Burst Balloons
- Longest Subarray with Majority Greater than K
- Balancing Consonants and Vowels Ratio
- Subarrays With At Most K Distinct Integers
- K Closest Points to Origin
- Minimum Spanning Tree - Kruskal's Algorithm
- The Knight's tour problem
- Perfect Square Difference
- Possible Value of X
- Divisible by 13
- Lexicographically Largest String After K Deletions
- Group Balls by Sequence
- Count Unique Vowel Strings
- Count Numbers Containing Specific Digits
- ASCII Range Sum
- 2D Difference Array
- Difference Check
- Farthest Smaller Right
- Maximize median after doing k addition operation
- Maximize the minimum difference between k elements
- Search in fully rotated sorted 2D matrix
- Min Add to Make Parentheses Valid
- Previous Smaller Element
- String stack
- Longest Subarray Length
- Design MinMax Queue
- Unique K-Number Sum
- Construct Tree from Preorder & Postorder
- Reverse a linked list
- Frequency in a Linked List
- Node at a given index in linked list
- Linked list of strings forms a palindrome
- Delete in a Doubly Linked List
- Reverse a Doubly Linked List
- Bubble Sort
- Check for BST
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Height of Binary Tree
- Balanced Tree Check
- Middle of a Linked List
- Check If Circular Linked List
- Left View of Binary Tree
- Transform to Sum Tree
- Intersection Sorted Linked Lists
- Postorder Traversal
- Level Order in spiral form
- DFS of Graph
- Stack using Linked List
- BFS of graph
- Identical Trees
- Root to leaf path sum
- Square Root
- Lowest Common Ancestor in a BST
- Largest subarray of 0's and 1's
- Level Order Line by Line
- Remove duplicates in array
- Toeplitz matrix
- Leaves at Same Level or Not
- Multiply two linked lists
- Josephus problem
- Max distance between same elements
- Level order traversal
- Inorder Successor in BST
- Split Linked List Alternatingly
- More than n/k Occurrences
- Max and min element in Binary Tree
- Symmetric Tree
- Delete Alternate Nodes
- Find the Sum of Last N nodes of the Linked List
- Find length of Loop
- Linked List Matrix
- Maximum Pairwise Computed Value
- Queue Reversal
- Reverse first K of a Queue
- Closest Neighbour in BST
- Brothers From Different Roots
- Delete Mid of a Stack
- C++ Template
- The New Line
- Data Types
- Learn to Comment
- Predict the Column
- Swap values using References
- Find the Frequency
- Reverse an Array
- Decimal to binary
- Rightmost different bit
- Check K-th Bit
- Wave Array
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Roof Top
- Print adjacency list
- Print Matrix in snake Pattern
- Transpose of Matrix
- Rotate by 90 degree
- Matrix Boundary Traversal
- Anagram
- Winner of an election
- String Rotated by 2 Places
- Strings Rotations of Each Other
- Reverse Words
- Non Repeating Character
- Parenthesis Checker
- Generate Binary Numbers
- Minimum Cost of ropes
- N meetings in one room
- Pattern searching
- Odd The Even Out
- Rotate Deque By K
- Union of Arrays with Duplicates
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Missing And Repeating
- Find Kth Rotation
- k sorted array
- Sorted and Rotated Minimum
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- String Duplicates Removal
- Count pairs Sum in matrices
- Pairs with difference k
- Swap and Maximize
- Bitonic Point
- Single Number
- Alternate Positive Negative
- Remaining String
- Kth distance
- Palindrome Sentence
- Remove Duplicates
- Nearest multiple of 10
- Reorganize The Array
- Facing the sun
- Second Largest
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Find all pairs with a given sum
- Number of occurrence
- Average of Prefix
- Modify the Array
- Check if array is sorted
- String's Count
- Longest Common Prefix of Strings
- Substrings with same first and last characters
- Segregate 0s and 1s
- Tywin's War Strategy
- Count the Zeros
- Palindrome String
- Total count
- Print Bracket Number
- Largest number in one swap
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Toggle bits in the given range
- Prime Number
- The FizzBuzz Program
- Shortest path from 1 to n
- Assign Mice Holes
- Check Prime
- Reach the Nth point
- AP Term
- Leap Year
- The Palindrome Pattern
- Find nth root of m
- Prime Factors
- Summed Matrix
- Coverage of all Zeros in a Binary Matrix
- Inorder Traversal and BST
- GP Term
- Print Square Wall Using Nested Loops
- Right Angle Triangle
- Right Angle Triangle 2
- Print Alphabets
- Day before N days
- Even Odd Game
- Calculator
- Count Digits
- Print Pattern
- Type Conversion
- Array to BST
- Sum of dependencies in a graph
- Swap the objects-Double pointers
- Decimal to binary
- Incrementing a variable
- Add two complex numbers
- Geometric Progression Term
- Return Size
- Kth call
- Add - Auto Keyword
- Convert to Hexadecimal
- Binary to Decimal
- Be Precise
- Scientific Format
- GetLine 1
- CPP Substring
- GetLine 2
- Address Operator
- Type Inference
- Queue using stack
- Check if a String is Subsequence of Other
- Smallest window containing 0, 1 and 2
- Insert an Element at the Bottom of a Stack
- All divisors of a Number
- Find XOR of numbers from L to R.
- Stock Buy and Sell – Max one Transaction Allowed
- Remove duplicates from a sorted doubly linked list
- Binary Search Trees
- Introduction to Doubly Linked List
- CPP - Digital root
- CPP - Check Divisibility
- CPP - Separate 0s and 1s in vector
- CPP - Binary String
- Equal Left and Right Subarray Sum
- Two Smallests in Every Subarray
- Largest Pair Sum
- Geek String
- Two Swaps
- Maximize partitions in a String
- Smallest Substring
- Meeting Rooms
- Count Pairs whose sum is less than target
- Union of Two Sorted Arrays with Distinct Elements
- Intersection of Two arrays with Duplicate Elements
- Find distinct elements
- Search in a row-wise sorted matrix
- Implement Lower Bound
- Find Only Repetitive Element from 1 to n-1
- Restricted Scoring
- Implement Upper Bound
- Max x
- Bitwise Operations
- Ceil in a Sorted Array
- Count XOR Pairs
- Books Reordering
- Unique Number I
- Maximum Value Subsequence
- Maximum Value
- LCM of two numbers
- Binary Tree to DLL
- Clone List with Next and Random
- Max rectangle
- AVL Tree Insertion
- Alien Dictionary
- Smallest range in K lists
- Max Circular Subarray Sum
- Smallest window containing all characters
- Histogram Max Rectangular Area
- Max of min for every window size
- Burning Tree
- The Painter's Partition Problem-II
- Search Pattern (KMP-Algorithm)
- Longest Prefix Suffix
- Wildcard string matching
- Circle of strings
- Sum-string
- Sub-arrays with equal number of occurences
- Edit Distance
- Stock Buy and Sell – Max K Transactions Allowed
- Median in a row-wise sorted Matrix
- Boolean Parenthesization
- Longest valid Parentheses
- N-Queen Problem
- Maximum sum Rectangle
- Sorted Linked List to BST
- Distribute Candies
- Split Array Largest Sum
- Find the String
- Kth Smallest Number in Multiplication Table
- Stock Buy and Sell – Max 2 Transactions Allowed
- Min Chars to Add for Palindrome
- Largest rectangular sub-matrix whose sum is 0
- Vertex Cover
- Expression Add Operators
- Count Reverse Pairs
- Candy
- Better String
- Max min Height
- Asterisk or Question Mark?
- Meeting Rooms III
- Minimum K Consecutive Bit Flips
- Count the Coprimes
- Longest Periodic Proper Prefix
- Maximum Non-Overlapping Odd Palindrome Sum
- Maximum subarray sum 2
- Sum of Mode
- Count Linked List Nodes
- Size of Binary Tree
- Queue using Linked List
- Queue Using Array
- Doubly linked list Insertion at given position
- First Occurence
- Peak element
- C++ Pointers ( Incrementing a variable) | Set 1
- Minimum element in BST
- Is Linked List Length Even?
- Identical Linked Lists
- Triplet Family
- Sum of Binary Tree
- C++ Call by reference
- Array insert at index
- Array insert at end
- Struct area
- Decimal to binary
- Array Search
- Most Frequent Character
- Length of String
- Count Words in String
- Reverse a String
- Make pair
- Sum of Natural Numbers
- Sort a String
- Alternative Sorting
- Check for subsequence
- Immediate Smaller Element
- Quick Left Rotation
- Remove Spaces
- Repeated Character
- Upper Case Conversion
- Largest Element in Array
- Rotate Array by One
- Array Subset
- Min and Max in Array
- Last index of a character in the string
- Set kth bit
- The If Statement
- Factorial
- Binary number to decimal number
- The Else Statement
- Input Integer
- Print Statement
- Print With Space
- C++ 2-D Arrays | Set-1
- Print With Separator
- Swap The Numbers
- Arithmetic Operators
- Bitwise Operators
- Print 1 to n without using loops
- Print Without Space
- Evaluate Formulae
- Table Difference
- Print Square
- Sum of N Numbers
- Factorial
- Divisor
- GCD
- For Loop - 2
- While Loop
- The Else if Statement
- For Loop - 1
- Print Square wall
- Inverted Right AngleTriangle
- Reverse String
- Fibonacci Number
- Slice The String
- Bitwise Right Shift
- Last Digit of a number
- Switch Statement
- LCM
- Print GeeksForGeeks
- Logical Operators
- Self referential structures
- Implement Union
- Print GeeksForGeeks with quotes
- Print Boolean value
- Compare two numbers
- Find if +ve, -ve or 0
- CPP - Have fun with XOR
- CPP - Product of array elements
- CPP - Search in an array
- CPP - Have Fun With OR
- CPP - Isogram
- Difference Sum
