bahadurl91x7
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STREAK
158/1460
days
Longest streak/Global longest streak
Language Used
C++, Java, Python, C
Coding Score
1665
Problem Solved
639
Contest Rating
1857
193 points
Contributor
193 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
130 submissions in current year
SCHOOL (2)
BASIC (108)
EASY (255)
MEDIUM (231)
HARD (43)
- Reverse alternate nodes in Link List
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Detect Loop in linked list
- Insert in Sorted Circular Linked List
- Merge Sort
- Quick Sort
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Tree Boundary Traversal
- Two Stacks in an Array
- Max sum path in two arrays
- Topological sort
- Merge K sorted linked lists
- Find kth element of spiral matrix
- Get Min from Stack
- Serialize and deserialize a binary tree
- Wildcard Pattern Matching
- Remove loop in Linked List
- Multiply two strings
- Implement Atoi
- Palindrome Linked List
- Closest in BST
- BST with Dead End
- Count distinct elements in every window
- k-Anagram
- Find triplets with zero sum
- Duplicate Subtree
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Peak element
- Merge Sort for Linked List
- Union of Two Linked Lists
- Euler circuit and Path
- Binary Tree to CDLL
- Pair Sum in BST
- K Sum Paths
- Leftmost and rightmost nodes of binary tree
- Construct Tree from Inorder & Preorder
- Arrange Consonants and Vowels
- 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
- Reverse array in groups
- Smallest Positive Missing
- 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
- Two Repeated Elements
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Count the number of possible triangles
- Merge Without Extra Space
- Level of Nodes
- Make Matrix Beautiful
- Boolean Matrix
- Spirally traversing a matrix
- Search in a sorted Matrix
- Rotate by 90 degree
- Subarray with 0 sum
- Longest Consecutive Subsequence
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- K Sized Subarray Maximum
- Minimum Platforms
- Minimum Jumps
- Detect Cycle using DSU
- Stickler Thief
- Longest Increasing Subsequence
- Longest Common Subsequence
- Lucky Numbers
- Allocate Minimum Pages
- Kth Smallest
- Shortest Common Supersequence
- Nth Catalan Number
- Container With Most Water
- Print Anagrams Together
- Rotate by 90 degree
- 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
- Paths to reach origin
- Taking 1 out of 3 consecutives
- Pascal Triangle
- Maximum Index
- Number of subarrays with maximum values in given range
- Flip Bits
- Consecutive 1's not allowed
- Pythagorean Triplet
- Painting the Fence
- Search in Rotated Sorted Array
- Sum of bit differences
- Form the Largest Number
- Add Binary Strings
- Maximum Product Subarray
- Check if frequencies can be equal
- Column name from a given column number
- Palindrome SubStrings
- Longest Subarray with Sum K
- Transform String
- Cutting Binary String
- Max Sum without Adjacents
- Shuffle integers
- Reverse each word in a given string
- Find the N-th character
- k largest elements
- Sum of XOR of all pairs
- Longest substring with distinct characters
- Longest Substring with K Uniques
- Longest Palindrome in a String
- K-th element of two Arrays
- Arranging the array
- Rod Cutting
- Longest Palindromic Subsequence
- 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)
- Santa Banta
- Gold Mine Problem
- Perfect Sum Problem
- Power Set
- Knapsack with Duplicate Items
- nCr
- Count of sum of consecutives
- Minimum steps to destination
- Partition Equal Subset Sum
- Matchsticks game
- Number of paths
- Number of paths in a matrix with k coins
- Game with String
- Smith Number
- Next Permutation
- How Many X's?
- Longest Repeating Subsequence
- Decode the string
- Stream First Non-repeating
- Transitive closure of a Graph
- Replace O's with X's
- Rohan's Love for Matrix
- Express as sum of power of natural numbers
- Traverse All Edges And Vertices
- Find the string in grid
- Shortest Source to Destination Path
- Search Pattern (Rabin-Karp Algorithm)
- Subarrays with sum K
- Prefix match with other strings
- Minimize the Heights I
- Clone an Undirected Graph
- Overlapping Intervals
- Find k-th smallest element in given n ranges
- Reverse a Stack
- Maximum Meetings in One Room
- Max Equal sum of 3 Stacks
- Buy Maximum Stocks
- Minimum Multiplications to reach End
- Number Of Enclaves
- Eventual Safe States
- Shortest path in Directed Acyclic Graph
- Majority Element - More Than n/3
- Aggressive Cows
- Task Scheduler
- Hands of Straights
- Lemonade Change
- Maximum Sum Combination
- Non-overlapping Intervals
- Insert Interval
- Longest String Chain
- Floor in BST
- Another Coin Change Problem
- Powerful Integer
- Max Coins
- Good Subtrees
- Subtree In N-ary Tree
- Maximum subset sum
- Palindrome with minimum sum
- Count Total Setbits
- Tree Transformation
- Construct a Full Binary Tree
- Modify Linked List-1
- Find Kth permutation
- Remove the balls
- Fraction pairs with sum 1
- Minimum Distance Graph
- Empty the String
- Score of Array
- Subtree with k primes
- Flatten BST to sorted list
- Minimize the Difference
- Kth Missing Positive Number in a Sorted Array
- Count Subarrays with given XOR
- Set Matrix Zeros
- Find All Triplets with Zero Sum
- Find H-Index
- Count Valid Pairs
- Minimum Time to Burst Balloons
- Max Possible Bitwise AND
- Count all triplets with given sum in sorted array
- Implement Pow
- K Closest Points to Origin
- Total Ways of Maximum OR
- Longest Bounded-Difference Subarray
- Reverse a linked list
- Pairwise swap elements of a linked list
- Delete nodes having greater value on right
- Remove duplicates from an unsorted linked list
- Inorder Traversal
- Reverse a Doubly Linked List
- Bubble Sort
- Selection Sort
- Insertion Sort
- Check for BST
- 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
- Delete Middle of Linked List
- Intersection Sorted Linked Lists
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- Level Order in spiral form
- DFS of Graph
- Stack using Linked List
- Insert a node in a BST
- BFS of graph
- Identical Trees
- Square Root
- Lowest Common Ancestor in a BST
- Binary Search
- Largest subarray of 0's and 1's
- Remove Duplicates Sorted Array
- Binary Tree to BST
- Unique rows in boolean matrix
- Remove every k'th node
- Leaves at Same Level or Not
- Third largest element
- Convert to Roman No
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Three way partitioning
- Level order traversal
- Inorder Successor in BST
- Insert in a Sorted List
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Reverse Using Stack
- Symmetric Tree
- Find length of Loop
- Median of BST
- Leaf under budget
- Queue Reversal
- Brothers From Different Roots
- Delete Mid of a Stack
- Product of an Array
- The New Line
- Swap the array elements
- Predict the Column
- Xoring and Clearing
- Consonants and Vowels check - Java
- Reverse an Array
- Stack Operations
- Frequency in Queue
- Frequency Game
- Decimal to binary
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Intersection of two sorted arrays
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Matrix Boundary Traversal
- Anagram
- String Rotated by 2 Places
- Strings Rotations of Each Other
- Isomorphic Strings
- Reverse Words
- Non Repeating Character
- Parenthesis Checker
- Minimum Cost of ropes
- N meetings in one room
- Reach a given score
- Count number of hops
- First Repeating Element
- Union of Arrays with Duplicates
- Check Equal Arrays
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Intersection of Arrays with Distinct
- Max Value Permutation
- Missing And Repeating
- Non-Repeating Element
- Count the elements
- Adding Ones
- Common in 3 Sorted Arrays
- Sorted and Rotated Minimum
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- String Duplicates Removal
- Minimize the sum of product
- Missing number
- Chocolate Distribution Problem
- Count pairs Sum in matrices
- Count the triplets
- Find Pair Given Difference
- Left most and right most index
- Closest Strings
- Remove Duplicates
- Convert the string
- Facing the sun
- Second Largest
- Two Sum - Pair with Given Sum
- Rotate Bits
- Find all pairs with a given sum
- Number of occurrence
- Reversing the equation
- Does array represent Heap
- Check if array is sorted
- Sum Pair closest to target
- String's Count
- Longest Common Prefix of Strings
- Special array reversal
- Two sum -Pairs with 0 Sum
- Play With OR
- At Least K Occurrences
- Find the closest pair from two arrays
- First and Second Smallests
- Palindrome String
- Pair with given sum in a sorted array
- Count number of words
- Divisible by 7
- Shop in Candy Store
- Is Binary Number Multiple of 3
- Minimum Operations
- Divisibility by 8
- Adding Array Elements
- Number of 1 Bits
- Armstrong Numbers
- Reverse Bits
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Copy Set Bits in Range
- Number of factors
- Count Digits
- Sum Of Digits
- Palindrome
- Prime Number
- Maximum Sum Problem
- Shortest path from 1 to n
- Sum 1 to n Divisors
- Happy Number
- Reach the Nth point
- Perfect Numbers
- Largest number possible
- Check if it is possible to survive on Island
- Recamans sequence
- Trailing zeroes in factorial
- Form a number divisible by 3 using array digits
- Least Prime Factor
- Sum of First N Natural Numbers
- Recursive sequence
- Summed Matrix
- Maximum Diamonds
- Arithmetic Number
- Row with Minimum 1s
- Surround the 1's
- Trace Path
- Inorder Traversal and BST
- Letters Collection
- Print Pattern
- Sum of dependencies in a graph
- Pattern 2
- Pattern 3
- Pattern 4
- Pattern 14
- Pattern 15
- Pattern 16
- Pattern 17
- Pattern 12
- Pattern 22
- Stock Buy and Sell – Max one Transaction Allowed
- Maximum Depth Of Binary Tree
- Divisor Game
- Find the first node of loop in linked list
- Maximum Identical Bowls
- Bus Conductor
- String Mirror
- Make Palindrome
- Binary Modulo
- Total Cuts
- Bit Magic
- Array Operations
- Refueling
- Minimum Thorns
- Ticket Counter
- Geek's Plants
- Weight Problem
- Level of Node in Tree
- Unique Number of Occurrences
- Separate Stone
- What Mean do you Mean?
- Balloon Everywhere
- Maximum Number
- Beautiful Number
- Complete the Staircase
- Array Game
- Silver and Gold
- Even Sum
- High Frequency
- Weird Island
- Construction of a string
- Same characters
- Squares
- Find Bots on Geeklandster
- Negative Prefix
- Build Adjacency List
- Maximum occurring digit
- Strong Students in School
- Minimise the Expression
- Is it a Leap Year
- Min AND
- Virus Infection
- Antique Collections
- Occurrences of 101
- Divide and Rule
- Dominating Geek
- Minimize Array Score
- Maximum Happiness
- MAX Array
- Candy shop I
- Minimum Distance
- Count Indices
- Return To Root
- Magic Array
- Chocolate Distribution
- Check for Consecutive
- Two Swaps
- Check if array contains duplicates
- Count pairs with given sum
- Meeting Rooms
- Count Pairs whose sum is less than target
- Intersection of Two arrays with Duplicate Elements
- Search in a row-wise sorted matrix
- Max x
- Find n-th Term
- Count n-digit Numbers
- Print Linked List
- Find Length of Linked List
- Check for Binary String
- Implement stack using array
- First Occurence
- C++ STL | Set 1 (vector)
- Palindromic Array
- Multiply Matrices
- Linked List Insertion At End
- Anagram of String
- Identical Linked Lists
- Alternates in an Array
- C++ Inheritance introduction
- Start Coding
- Bit Difference
- Print 1 To N Without Loop
- Array Search
- Binary String
- Sum of numbers in string
- Reverse a String
- First n Fibonacci
- C++ Hello World
- Palindrome Array
- Multiply Array
- Sum of Natural Numbers
- Searching in an Array
- Sort a String
- Sort The Array
- Maximum product of two numbers
- Value equal to index value
- Convert a list of characters into a String
- Count of camel case characters
- Remove vowels from string
- Reverse sub array
- Count the characters
- Count type of Characters
- Reversing the vowels
- Lower case to upper case
- Remove Spaces
- Repeated Character
- Length of Last word
- Last index of One
- Merge two strings
- Largest Element in Array
- Rotate Array by One
- Array Subset
- Rotating an Array
- Remove Duplicates from unsorted array
- C++ Strings
- Min and Max in Array
- Average Count Array
- Print first letter of every word in the string
- GCD of Array
- GCD of two numbers
- Odd or Even
- Binary representation
- Vowel or Not
- Sum of Consecutives
- Find the fine
- Check perfect square
- LCM And GCD
- Small Factorial
- House Robber
- Mean of an Array
- Find n-th term of series 1, 3, 6, 10, 15, 21
- Fibonacci to N
- Product Sum
- Median of an Array
- Celsius to Fahrenheit Conversion
- Factorial Number
- Factorial
- Sum of odd and even elements
- Sum of Digit is Palindrome or not
- Sum of an AP
- Greatest of three numbers
- Sum of GP
- Simple Interest
- Reverse digits
- Binary number to decimal number
- Distance between 2 points
- Sum of elements in a matrix
- Find difference between sum of diagonals
- Sum of first n terms
- Multiplication Table
- The dice problem
- Remainder Evaluation
- Pattern Printing
- Count Squares
- Middle of Three
- Print the Kth Digit
- Swap two numbers
- Sum of primes
- Maximum average among all subarrays
- Small Sum
- Pattern 1
- Pattern 5
- Pattern 6
- Pattern 7
- Pattern 8
- Pattern 10
- Pattern 11
- Pattern 13
- Data Type
- Naughty Geek
- Naughty Geek
- Valid Strings
- Time Travel
- Who has the majority?
- Linked List Group Reverse
- Binary Tree to DLL
- Clone List with Next and Random
- Min distance between two given nodes of a Binary Tree
- Distinct occurrences
- LRU Cache
- AVL Tree Insertion
- Maximum subset XOR
- AVL Tree Deletion
- Nodes at given distance in binary tree
- Fixing Two nodes of a BST
- Max Path Sum 2 Special Nodes
- String Permutations
- Trapping Rain Water
- Max Circular Subarray Sum
- Histogram Max Rectangular Area
- Max of min for every window size
- Find median in a stream
- Solve the Sudoku
- Next Smallest Palindrome
- Count Pairs in an Array
- Search Pattern (KMP-Algorithm)
- Number of distinct subsequences
- Longest repeating and non-overlapping substring
- Sum-string
- Minimum sum partition
- Palindromic Partitioning
- Next Happy Number
- Boolean Parenthesization
- Longest valid Parentheses
- N-Queen Problem
- Find all Critical Connections in the Graph
- Find number of closed islands
- Find the String
- Stock Buy and Sell – Max 2 Transactions Allowed
- Min Chars to Add for Palindrome
- Expression Add Operators
- Candy
- Better String
- Count Binary Strings With No Consecutive 1s
- Cake Distribution Problem
- Min Time
- Making A Large Island
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