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mudgalabhay57
STREAK
11/1431
days
Longest streak/Global longest streak
Institution
Indian Institute of Technology Kanpur (IIT Kanpur)
69 RankInstitute Rank
Language Used
Python
Coding Score
1226
Problem Solved
471
Contest Rating
__
109 points
Contributor
109 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
29 submissions in current year
SCHOOL (2)
BASIC (50)
EASY (226)
MEDIUM (184)
HARD (9)
- Winner of an election
- Reverse a linked list
- Pairwise swap elements of a linked list
- Remove duplicates from an unsorted linked list
- Inorder Traversal
- Reverse a Doubly Linked List
- Bubble Sort
- Insertion Sort
- Check for BST
- Right View of Binary Tree
- Mirror Tree
- Two Mirror Trees
- Delete without head pointer
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Check If Circular 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
- Queue using two Stacks
- 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
- Nodes without a Sibling
- Lowest Common Ancestor in a BST
- Binary Search
- Binary Tree to BST
- Unique rows in boolean matrix
- Remove every k'th node
- Leaves at Same Level or Not
- Multiply two linked lists
- Delete in a Singly Linked List
- Kth largest element in BST
- Minimum distance in an Array
- Array Duplicates
- Special Stack
- Level order traversal
- Index of an Extra Element
- Insert in a Sorted List
- More than n/k Occurrences
- Reverse Using Stack
- Symmetric Tree
- Next Right Node
- Find length of Loop
- Median of BST
- Leaf under budget
- Queue Reversal
- Reverse first K of a Queue
- Closest Neighbour in BST
- Brothers From Different Roots
- Delete Mid of a Stack
- Swap the array elements
- Predict the Column
- Xoring and Clearing
- Reverse an Array
- Frequency in Queue
- Get min at pop
- Frequency Game
- First Set Bit
- Rightmost different bit
- Power of 2
- Wave Array
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Minimum Number in a sorted rotated array
- Print adjacency list
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Transpose of Matrix
- Rotate by 90 degree
- Matrix Boundary Traversal
- Anagram
- Winner of an election
- Strings Rotations of Each Other
- Isomorphic Strings
- Reverse Words
- Panagram Checking
- Non Repeating Character
- Parenthesis Checker
- K largest elements
- Minimum Cost of ropes
- N meetings in one room
- Largest number with given sum
- Count ways to N'th Stair
- 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
- Max Value Permutation
- Missing And Repeating
- Non-Repeating Element
- Count the elements
- Sort by Set Bit Count
- Adding Ones
- Common in 3 Sorted Arrays
- Sum of elements between k1'th and k2'th smallest elements
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- String Duplicates Removal
- Chocolate Distribution Problem
- Find Pair Given Difference
- Alternate Positive Negative
- Remove Consecutive Characters
- Rearrange a string
- Remove Duplicates
- Twice Counter
- Distinct Substrings
- Second Largest
- Two Sum - Pair with Given Sum
- Second most repeated string in a sequence
- Check if array contains contiguous integers
- Number of occurrence
- Convert an array to reduced form
- Find missing in second array
- String's Count
- Min Number of Flips
- Two sum -Pairs with 0 Sum
- Segregate 0s and 1s
- Play With OR
- At Least K Occurrences
- Palindrome String
- Total count
- Fitting The Array
- Binary representation of next number
- Is Binary Number Multiple of 3
- Padovan Sequence
- Extract the Number from the String
- Number of 1 Bits
- Find the Highest number
- Pairs with Positive Negative values
- Reverse Bits
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Change Bits
- Count Digits
- Party of Couples
- Shortest path from 1 to n
- Sum 1 to n Divisors
- Count numbers containing 4
- Find maximum number
- The Bit Game
- Reach the Nth point
- Number Of Open Doors
- Break a number
- Perfect Numbers
- Nth item through sum
- Smallest number with sum of digits as N and divisible by 10^N
- Largest number possible
- Recamans sequence
- Compare two fractions
- Form a number divisible by 3 using array digits
- Sum of First N Natural Numbers
- Recursive sequence
- Tom and Jerry
- Maximum Diamonds
- Arithmetic Number
- Row with Minimum 1s
- Surround the 1's
- Help Ishaan
- Inorder Traversal and BST
- Sequence Fun
- Letters Collection
- Help the Old Man!!!
- Chicks in a Zoo
- Array to BST
- Sum of dependencies in a graph
- Count all possible paths from top left to bottom right
- Ball coloring
- Sum of k smallest elements in BST
- Print Diagonally
- Sum of two numbers without using arithmetic operators
- Even and Odd
- Maximum number of 2X2 squares
- License Key Formatting
- Count the Substrings
- Smallest Subset with Greater Sum
- Minimum Sum of Absolute Differences of Pairs
- Smallest window containing 0, 1 and 2
- Move Last Element to Front of a Linked List
- Insert an Element at the Bottom of a Stack
- Find pairs with given sum in doubly linked list
- Fibonacci series up to Nth term
- Stock Buy and Sell – Max one Transaction Allowed
- Maximum Depth Of Binary Tree
- Pass by Reference and Value
- Minimize the sum
- Last modified ball
- Find the first node of loop in linked list
- Min operations
- Balloon Everywhere
- Reverse both parts
- Frogs and Jumps
- Make Array Elements Equal
- Equal Left and Right Subarray Sum
- Remainder on dividing by 11
- Is it Fibonacci
- 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
- Minimum Integer
- Seating Arrangement
- Make Palindrome
- Binary Modulo
- Total Cuts
- Array Operations
- Dominant Pairs
- Total Traversal Time
- Ticket Counter
- Unique Number of Occurrences
- Count pairs with given sum
- Intersection of Two arrays with Duplicate Elements
- Rotate Array
- Sort String
- Implement stack using array
- Queue Using Array
- Preorder Traversal
- Search a node in BST
- Palindromic Array
- Peak element
- Minimum element in BST
- Anagram of String
- Identical Linked Lists
- Start Coding - Python
- Absolute Value
- Bit Difference
- Array Search
- Check if a string is Isogram or not
- Sum of numbers in string
- Reverse a String
- First n Fibonacci
- Searching in an Array
- Doubling the value
- Anagram Palindrome
- Sort The Array
- Value equal to index value
- Immediate Smaller Element
- Repeated Character
- First 1 in a Sorted Binary Array
- Elements in the Range
- Last index of One
- Rotate Array by One
- Game with nos
- Exceptionally odd
- Ishaan Loves Chocolates
- Array Subset
- Rotating an Array
- Print first letter of every word in the string
- 1s Complement
- The AND Gate
- Find position of set bit
- XOR Count Zero and One
- Find the fine
- Median of an Array
- Factorial
- Reverse digits
- Count Squares
- Middle of Three
- Swap two numbers
- Repetitive Addition Of Digits
- Sorted matrix
- Max Min
- Reverse alternate nodes in Link List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Add 1 to a Linked List Number
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Insert in Sorted Circular Linked List
- Count BST nodes that lie in a given range
- Quick Sort
- Intersection in Y Shaped Lists
- Merge two sorted linked lists
- Sum Tree
- Diagonal Tree Traversal
- Directed Graph Cycle
- The Celebrity Problem
- Topological sort
- Find kth element of spiral matrix
- Remove loop in Linked List
- Implement Atoi
- Palindrome Linked List
- Bipartite Graph
- Closest in BST
- BST with Dead End
- Find triplets with zero sum
- k-th Smallest in BST
- Find Common Nodes in two BSTs
- Polynomial Addition
- Delete nodes greater than k
- Merge Sort for Linked List
- Union of Two Linked Lists
- Binary Tree to CDLL
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Isomorphic Trees
- Diagonal sum in binary tree
- Normal BST to Balanced BST
- Sum of nodes on the longest path
- Gray to Binary Conversion
- Smallest Positive Missing
- Power Of Numbers
- Rearrange an array with O(1) extra space
- Stock buy and sell
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Union of 2 Sorted Arrays
- Indexes of Subarray Sum
- Triplet Sum in Array
- Level of Nodes
- Boolean Matrix
- Spirally traversing a matrix
- Subarray with 0 sum
- Sort Elements by Decreasing Frequency
- Case-specific Sorting of Strings
- Postfix Evaluation
- Stock span problem
- Next Greater Element
- Nearly sorted
- Minimum Platforms
- Minimum Jumps
- Stickler Thief
- Egg Dropping Puzzle
- Longest Increasing Subsequence
- Longest Common Subsequence
- Lucky Numbers
- Preorder to BST
- Kth Smallest
- Steps by Knight
- Rotate by 90 degree
- Top K Frequent in Array
- Stock Buy and Sell – Multiple Transaction Allowed
- 4 Sum - All Quadruples
- Sort 0s, 1s and 2s
- Maximum Index
- Flip Bits
- Sum of Middle elements of two sorted arrays
- Equivalent Sub-Arrays
- Single Among Doubles in a Sorted
- Consecutive 1's not allowed
- Pythagorean Triplet
- Search in Rotated Sorted Array
- Sum of bit differences
- Maximum Product Subarray
- Longest subarray with sum divisible by K
- Row with max 1s
- Column name from a given column number
- Substrings with K Distinct
- Rotate a Matrix
- Number of positive integral solutions
- Sum of two large numbers
- Reverse each word in a given string
- k largest elements
- Longest Palindrome in a String
- K-th element of two Arrays
- Maximize the sum of selected numbers from a sorted array to make it empty
- Longest Palindromic Subsequence
- Largest Sum Subarray of Size at least K
- Minimize the Heights II
- First and Last Occurrences
- Reaching the heights
- A difference of values and indexes
- Permutations of a String
- CamelCase Pattern Matching
- Lexicographically smallest string
- Subarrays Product Less than K
- Unique Number II
- Largest prime factor
- Modified Game of Nim
- Coin Change (Count Ways)
- Sequence of Sequence
- Gold Mine Problem
- Power Of 2 and Subsequences
- Power Set
- nCr
- Array Pair Sum Divisibility Problem
- Matchsticks game
- Knight Walk
- Count even length
- Find the Safe Position
- Next Permutation
- How Many X's?
- Exit Point in a Matrix
- Rotate Each Row of Matrix K Times
- Stream First Non-repeating
- Segregate even and odd nodes in a Linked List
- Number of Rectangles in a Circle
- Satisfy the equation
- Transitive closure of a Graph
- Find all distinct subset (or subsequence) sums
- Base Equivalence
- Reverse Spiral Form of Matrix
- Geek and Number String
- Substrings of length k with k-1 distinct elements
- Count pairs in array divisible by K
- Maximum sum leaf to root path
- Find duplicate rows in a binary matrix
- Maximum GCD of siblings of a binary tree
- Single valued subtree
- BST to max heap
- Paths from root with a specified sum
- Anti Diagonal Traversal of Matrix
- Unique Number III
- All Unique Permutations of an array
- Find k-th smallest element in given n ranges
- Smallest sum contiguous subarray
- Stack Permutations
- Graph is Tree or Not
- Special Keyboard 2
- Minimum Swaps
- Check if all levels of two trees are anagrams or not
- Majority Element II
- Hands of Straights
- Minimum Absolute Difference In BST
- Lemonade Change
- Floor in BST
- Maximum Value
- Flattening a Linked List
- Absolute difference divisible by K
- Next Greater Element in Circular Array
- Carpet into Box
- Minimum X (xor) A
- Find minimum number of Laptops required
- Geeks And The String
- Minimum repeat to make substring
- BST Downward Traversal
- Count number of free cell
- Minimum Days
- Prime List
- Walls Coloring
- Apple Sequences
- Connect Nodes at Same Level
- Optimal Array
- Count Special Numbers
- Minimum Steps Required
- Maximum Triplet product
- Distinct Difference
- Geek hates too many 1s
- Nearest smaller tower
- Subtree In N-ary Tree
- Tree Transformation
- Construct a Full Binary Tree
- Modify Linked List-1
- Fraction pairs with sum 1
- Kth common ancestor in BST
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