manikandansanmugam
STREAK
158/1490
days
Longest streak/Global longest streak
Language Used
C++, Java, Python, C, Javascript
Coding Score
1388
Problem Solved
468
Contest Rating
-
754 points
Contributor
754 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
28 submissions in current year
SCHOOL (1)
BASIC (36)
EASY (178)
MEDIUM (220)
HARD (33)
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Add 1 to a Linked List Number
- Detect Loop in linked list
- QuickSort on Doubly Linked List
- Count BST nodes that lie in a given range
- Bottom View of Binary Tree
- Delete without head pointer
- Merge two sorted linked lists
- Sum Tree
- Diagonal Tree Traversal
- Two Stacks in an Array
- The Celebrity Problem
- Find the number of islands
- Linked List to Binary Tree
- Generate IP Addresses
- Validate an IP Address
- Remove loop in Linked List
- Largest BST
- Count Palindromic Subsequences
- Multiply two strings
- Palindrome Linked List
- Print matrix in diagonal pattern
- Rat in a Maze Problem - I
- Bipartite Graph
- Pots of Gold Game
- Merge two BST 's
- Count distinct elements in every window
- Longest Palindrome in Linked List
- Find triplets with zero sum
- Find Common Nodes in two BSTs
- Level order traversal
- Peak element
- Polynomial Addition
- Delete nodes greater than k
- Union of Two Linked Lists
- Root to Leaf Paths
- Complete Binary Tree
- Counting elements in two arrays
- Linked List that is Sorted Alternatingly
- Foldable Binary Tree
- Isomorphic Trees
- Children Sum in a Binary Tree
- Normal BST to Balanced BST
- Duplicate Subtrees
- Vertical Width of a Binary Tree
- Ceil in BST
- Reverse array in groups
- Wave Array
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum Index
- Kadane's Algorithm
- Majority Element
- Indexes of Subarray Sum
- Count the number of possible triangles
- Merge Without Extra Space
- Boolean Matrix
- Spirally traversing a matrix
- Determinant of a Matrix
- Unit Area of largest region of 1's
- Subarray with 0 sum
- Case-specific Sorting of Strings
- Minimum Cost of ropes
- Nearly sorted
- Job Sequencing Problem
- Unique Subsets
- M-Coloring Problem
- Egg Dropping Puzzle
- Longest Common Subsequence
- Preorder to BST
- X Total Shapes
- Find whether path exist
- Kth Smallest
- Count subsequences of type a^i, b^j, c^k
- Maximize The Cut Segments
- Container With Most Water
- Print Anagrams Together
- Rotate by 90 degree
- Sort 0s, 1s and 2s
- Maximum Index
- Sum of Middle elements of two sorted arrays
- Equivalent Sub-Arrays
- Single Among Doubles in a Sorted
- Consecutive 1's not allowed
- Painting the Fence
- Search in Rotated Sorted Array
- Smallest number with at least n trailing zeroes in factorial
- Count pairs Sum in matrices
- Sum of bit differences
- Maximize The Array
- Form the Largest Number
- Super Primes
- Longest subarray with sum divisible by K
- Check if a string is repetition of its substring of k-length
- Row with max 1s
- Check if frequencies can be equal
- Form a palindrome
- Longest Subarray with Sum K
- Transform String
- Number of positive integral solutions
- Sum of two large numbers
- Max Sum without Adjacents
- Find the N-th character
- k largest elements
- Magnet Array Problem
- Longest Common Substring
- Smallest distinct window
- Longest substring with distinct characters
- Longest Palindrome in a String
- K-th element of two Arrays
- String formation from substring
- Longest Palindromic Subsequence
- Not a subset sum
- Minimize the Heights II
- Reaching the heights
- Nine Divisors
- Permutations of a String
- Friends Pairing Problem
- Lexicographically smallest string
- Subarrays Product Less than K
- Unique Number II
- Game of XOR
- Largest prime factor
- Modified Game of Nim
- Gold Mine Problem
- Power Of 2 and Subsequences
- Firing employees
- Power Set
- nCr
- Number of ways
- Subsets with XOR value
- Count possible ways to construct buildings
- Count digit groupings of a number
- Probability of Knight
- Array Pair Sum Divisibility Problem
- Brain Game
- Matchsticks game
- Killing Spree
- Fill the Tank
- Knight Walk
- Permutation with Spaces
- Fact Digit Sum
- Party in Town
- Game with String
- Find the Safe Position
- Smaller on Left
- Geek and knots
- Matrix Exponentiation
- Longest Repeating Subsequence
- Composite and Prime
- Finding Profession
- Decode the string
- Stream First Non-repeating
- Villain Con
- Tricky Subset Problem
- Rat Maze With Multiple Jumps
- Geek and Strings
- nCr mod M | Part 2
- Find all distinct subset (or subsequence) sums
- Queries on Strings
- Queries on a Matrix
- Broken blocks
- Shortest Uncommon Subsequence
- Help a Thief!!!
- Count the paths
- Form coils in a matrix
- Largest subsquare surrounded by X
- Shortest Path between Cities
- Geek and Number String
- Jump Game
- Bellman-Ford
- Subarrays with sum K
- Substrings of length k with k-1 distinct elements
- Count pairs in array divisible by K
- Number of Provinces
- Prefix match with other strings
- Binary Matrix with at most K 1s
- Maximum sum leaf to root path
- Maximum GCD of siblings of a binary tree
- BST to max heap
- BST to greater sum tree
- Remove all occurences of duplicates in a linked list
- Flatten binary tree to linked list
- Anti Diagonal Traversal of Matrix
- IPL 2021 - Match Day 2
- Unique Number III
- All Unique Permutations of an array
- Course Schedule
- Find and Replace in String
- Longest Possible Route in a Matrix with Hurdles
- Reverse a Stack
- Farthest number
- Maximum Meetings in One Room
- Buy Maximum Stocks
- Levels Of Game
- Smallest sum contiguous subarray
- Minimum Cost to cut a board into squares
- Stack Permutations
- Special Keyboard 2
- Minimum Swaps
- Number of Distinct Islands
- Number Of Enclaves
- Number Of Islands
- Merging Details
- Number of Ways to Arrive at Destination
- Shortest Path in Undirected Graph
- Combination Sum II
- Floor in BST
- Carpet into Box
- Minimum X (xor) A
- Shy Geek
- Equalize the Distribution
- Find Max Inversions
- Count Subarrays with given XOR
- Count Pairs
- Minimum Sum
- Unique Node Counts
- String after Operations
- Reverse a linked list
- Linked list of strings forms a palindrome
- Remove duplicates from an unsorted linked list
- Delete in a Doubly Linked List
- Reverse a Doubly Linked List
- Bubble Sort
- Check for BST
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Height of Binary Tree
- Kth from End of Linked List
- Middle of a Linked List
- Left View of Binary Tree
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- Level Order in spiral form
- BFS of graph
- Square Root
- Lowest Common Ancestor in a BST
- Binary Search
- Largest subarray of 0's and 1's
- Remove Duplicates Sorted Array
- Minimum Depth of a Binary Tree
- Remove Duplicates from an array
- Leaves at Same Level or Not
- Josephus problem
- Max distance between same elements
- Array Duplicates
- Index of an Extra Element
- Sum of leaf nodes in BST
- More than n/k Occurrences
- Find the Sum of Last N nodes of the Linked List
- Next Right Node
- Count Pairs whose sum is equal to X
- Find length of Loop
- Linked List Matrix
- Queue Reversal
- Reverse first K of a Queue
- Delete Mid of a Stack
- Precise Format - Java
- Swap the array elements
- Predict the Column
- Find the Frequency
- Frequency in Queue
- Get min at pop
- First Set Bit
- Rightmost different bit
- Check K-th Bit
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Minimum Number in a sorted rotated array
- Sum of upper and lower triangles
- Print Matrix in snake Pattern
- Matrix Boundary Traversal
- Anagram
- Non Repeating Character
- N meetings in one room
- Largest number with given sum
- Reach a given score
- Union-Find
- Count ways to N'th Stair
- Union of Arrays with Duplicates
- Check Equal Arrays
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Max Value Permutation
- Sum of elements between k1'th and k2'th smallest elements
- String Duplicates Removal
- Min sum formed by digits
- Minimize the sum of product
- Chocolate Distribution Problem
- Find Pair Given Difference
- Pairs with difference k
- Bitonic Point
- Sort Array II
- Single Number
- Alternate Positive Negative
- Kth distance
- Remove Duplicates
- Second Largest
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Number of occurrence
- K-Pangrams
- Modify the Array
- Find missing in second array
- String's Count
- Longest Common Prefix of Strings
- Two sum -Pairs with 0 Sum
- Play With OR
- Hungry Pizza Lovers
- At Least K Occurrences
- Element with left side smaller and right side greater
- Palindrome String
- Total count
- Fitting The Array
- Pair with given sum in a sorted array
- Shop in Candy Store
- Partition a number into two divisible parts
- Is Binary Number Multiple of 3
- Divisibility by 8
- Adding Array Elements
- Number of 1 Bits
- Max Sum Subarray of size K
- Nth Fibonacci Number
- Change Bits
- Copy Set Bits in Range
- Palindrome
- Maximum Sum Problem
- Count numbers containing 4
- The Bit Game
- Reach the Nth point
- Perfect Numbers
- Nth item through sum
- Smallest number with sum of digits as N and divisible by 10^N
- Largest number possible
- Sum of First N Natural Numbers
- Juggler Sequence
- Tom and Jerry
- Maximum Diamonds
- Arithmetic Number
- Help Ishaan
- Trace Path
- Inorder Traversal and BST
- Help the Old Man!!!
- Print Pattern
- Crack the series
- Print the pattern
- Minimum Exchange
- Array to BST
- Sum of dependencies in a graph
- Count all possible paths from top left to bottom right
- Ball coloring
- Modified Numbers and Queries
- Fraction Trouble
- Sum of k smallest elements in BST
- Print Diagonally
- Even and Odd
- Search insert position of K in a sorted array
- Maximum number of 2X2 squares
- License Key Formatting
- Count the Substrings
- Find all possible paths from top to bottom
- Smallest Subset with Greater Sum
- Minimum Sum of Absolute Differences of Pairs
- Insert an Element at the Bottom of a Stack
- Find pairs with given sum in doubly linked list
- Complete the Staircase
- Fibonacci series up to Nth term
- Maximum Depth Of Binary Tree
- Divisor Game
- Find the first node of loop in linked list
- Maximum Weight Node
- Make Array Elements Equal
- Minimum Number
- Dominant Pairs
- Magic Array
- Burger Ingredient Optimization
- Not a palindromic string
- Find the enemies
- Chocolate Distribution
- Split an array into two equal Sum subarrays
- Largest Pair Sum
- Perfect Meeting
- Good Substrings
- Smallest Substring
- Make Perfect Array
- MinXOR
- Count the Substrings
- Qualification Possibility
- Find n-th Term
- Longest Substring
- Min Operations
- Maximum Score
- Linked List Group Reverse
- Binary Tree to DLL
- Clone List with Next and Random
- Distinct occurrences
- Partition array to k subsets
- Alien Dictionary
- Number of Turns in Binary Tree
- String Permutations
- Burning Tree
- Search Pattern
- Count Smaller elements
- Number of distinct subsequences
- Wildcard string matching
- Longest repeating and non-overlapping substring
- Edit Distance
- Next Happy Number
- Kill Captain America
- Generalised Fibonacci numbers
- Bike Racing
- Word Break - 2
- Brackets in Matrix Chain Multiplication
- Assignment Problem
- Longest Path in a matrix
- Search Pattern (Rabin-Karp Algorithm)
- Minimum X (xor) A
- Sorted Linked List to BST
- Array Partition
- Count occurrences of a given word in a 2-d array
- Reverse a sublist of a linked list
- Stock Buy and Sell – Max 2 Transactions Allowed
- Largest rectangular sub-matrix whose sum is 0
- Minimum time to fulfil all orders
- Candy
- Find Length of Linked List
- Size of Binary Tree
- Count Leaves in Binary Tree
- First Occurence
- Sum Except First and Last
- Search a node in BST
- Is Linked List Length Even?
- Identical Linked Lists
- Java Inheritance
- Java Override
- Print 1 To N Without Loop
- Array Search
- Reverse a String
- First n Fibonacci
- Sum of Natural Numbers
- Sort a String
- Alternative Sorting
- Value equal to index value
- Check for subsequence
- Immediate Smaller Element
- Repeated Character
- Elements in the Range
- Rotate Array by One
- Game with nos
- One odd Occuring
- Ishaan Loves Chocolates
- Array Subset
- Min and Max in Array
- Remove character
- C++ Input / Output
- C++ Nega Bit
- Leap Year
- Difference series
- Java Iterator
- Max Min
- String Operation
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