- Consecutive elements
- GCD of Array
- Power of 2
- Sort The Array
- Pythagorean Triplet
- Doubling the value
- Majority Element
- Shortest path from 1 to n
- Amend The Sentence
- Permutations of a given string
- Missing number in array
- Swap two nibbles in a byte
- Maximum product of two numbers
- Number of paths
- Bit Difference
- Greater on right side
- Immediate Smaller Element
- Convert array into Zig-Zag fashion
- Maximum repeating number
- k largest elements
- Minimum difference pair
- Maximum money
- Middle of Three
- Generate Binary Numbers
- Smallest number
- Find the Odd Occurence
- Number Of Open Doors
- Keypad typing
- Rotating an Array
- Total count
- Sum of primes
- Reverse array in groups
- Multiple in Table Tennis
- 3 Divisors
- Set Bits
- Professor and Parties
- Padovan Sequence
- Minimize the sum of product
- Missing number
- Chocolate Distribution Problem
- Reverse each word in a given string
- Starting Point
- Help a Thief!!!
- Squares in a Matrix
- Check squares
- Find duplicates under given constraints
- Find first and last occurrence of x
- Type of array
- Sum of dependencies in a graph
- Stuffs Division
- Sort in specific order
- Check if two arrays are equal or not
- Form largest number from digits
- Check if string is rotated by two places
- Substrings with similar first and last characters
- Check for subsequence
- Find first repeated character
- Magical Number
- Message decoding
- Wrong Ball
- Magical String[Duplicate Problem]
- Strong Numbers
- Find the element that appears once in sorted array
- Thief trying to escape
- Last index of One
- Arranging the array
- Print an array in Pendulum Arrangement
- Transpose of Matrix
- First element to occur k times
- Extract Maximum
- Uncommon characters
- Find the smallest and second smallest element in an array
- Find minimum and maximum element in an array
- Count number of words
- Pair cube count
- Swap and Maximize
- Alternative Sorting
- Check set bits
- Sorting Employees
- Twice counter
- Longest Common Prefix in an Array
- Print first n Fibonacci Numbers
- Remove repeated digits in a given number
- Linear Diophantine Equations
- Odd to Even
- Row with minimum number of 1's
- Minimum Distinct Ids
- Find the Highest number
- Anagram Palindrome
- Positive and negative elements
- Boolean String Value
- The Counting Game !!
- XOR Count Zero and One
- Absolute Difference of 1
- Remove common characters and concatenate
- Shortest un-ordered subarray
- Sum of Digit Modified
- Find k-th character in string
- Good or Bad string
- Repeated Character
- Find the position
- G.F Series
- Find the fine
- Maximize ∑arr[i]*i of an Array
- Find the closest number
- Last index of a character in the string
- Special Series Sum
- Check for three consecutive numbers
- Special Odd Series Sum
- Maximum triplet sum in array
- Print K smallest elements in their original order
- Check whether two numbers differ at one bit position only
- Squares Difference
- Check if the number is balanced
- Sum of fifth powers of the first n natural numbers
- Check if actual binary representation of a number is palindrome
- Trimorphic Number
- Product of maximum in first array and minimum in second
- Check if strings are rotations of each other or not
- Message Spreading
- Is digital root of N a prime?
- Countries at war
- Jumpy Ball
- Sum of all sub-sequences of a number
- Inverse Permutation
- Game with nos
- Play With OR
- Why is Melody so chocolaty?
- Tywin's War Strategy
- Ishaan's Internship
- Ishaan's Weight
- Jay's Apples
- Program for length of the longest word in a sentence
- Riya's Test
- Number Series
- Confused pappu
- Difference series
- Reducing Walls
- Multiply left and right array sum.
- Find the Number which contain the digit d
- Doctors Clinic
- How Many X's?
- Prime String
- Find The Sequence
- Height of Heap
- Count nodes of linked list
- Node at a given index in linked list
- Size of Binary Tree
- Inorder Traversal
- Bubble Sort
- Count Leaves in Binary Tree
- Selection Sort
- Height of Binary Tree
- Finding middle element in a linked list
- Circular Linked List
- Postorder Traversal
- Implement Stack using Linked List
- Implement stack using array
- Implement Queue using array
- Binary Search
- Remove duplicate elements from sorted Array
- Preorder Traversal
- Implement strstr
- Implement Atoi
- Find Number of Numbers
- Minimum distance between two numbers
- Find triplets with zero sum
- Linked List Insertion
- Minimum element in BST
- Linked List Length Even or Odd?
- Maximum in Struct Array
- Queue Reversal
- Triplet Family
- Sum of Binary Tree
- Magical Number
- longest substring containing '1'
- Pairwise Consecutive Elements
- Count Non-Leaf Nodes in Tree
- Sum Array Puzzle

Name

marco bonizzi

Institute

Tea sistemi spa

Overall Coding Score: 1508

Monthly Coding Score: 449

Weekly Coding Score: 159

- Anagram
- Number of Unique Paths
- Wave Array
- Print Pattern
- Rotation
- Search in a Rotated Array
- Parenthesis Checker
- Subarray with least average
- Maximize Toys
- Maximize Number of 1's
- Non Repeating Character
- Sum of Middle Elements of two sorted arrays
- Count Occurences of Anagrams
- Reverse words in a given string
- Count Substrings
- Check if a given string is a rotation of a palindrome
- Move all zeroes to end of array
- Remove all duplicates from a given string
- Remove “b” and “ac” from a given string
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Pairs with difference k
- Finding Number
- Maximum value in a bitonic array
- Next greater number set digits
- Finding Position
- Single Number
- Segregate even and odd nodes in a Linked List
- Does robot moves circular
- Count increasing Subarrays
- Element that appears once where every element occurs twice
- Longest Distinct characters in string
- Column name from a given column number
- Maximum Product Subarray
- N meetings in one room
- Maximum of all subarrays of size k
- Remove Duplicates
- Addition of submatrix
- Maximum sum increasing subsequence
- Array to BST
- Key Pair
- Maximum Difference
- Product array puzzle
- Reverse Bits
- Count Smaller elements
- Reach the Nth point
- Subarray with given sum
- Adjacents are not allowed
- Leaders in an array
- Count number of hops
- Inorder Traversal and BST
- Segregate 0s and 1s
- Copy Set Bits in Range
- Three Great Candidates
- Inverted triangle of stars
- Possible paths
- Minimum element in a sorted and rotated array
- Search in a matrix
- Chinky and diamonds
- Shop in Candy Store
- Check If two Line segments Intersect
- Missing element of AP
- Count the Zeros
- 0 - 1 Knapsack Problem
- Longest Common Increasing Subsequence
- Find the number of sub-arrays having even sum
- Valid Substring
- Count the Reversals
- Extract the Number from the String
- Smallest number subset
- Power of Numbers
- Next larger element
- Perfect Numbers
- Count number of substrings
- Crack the series
- Largest number with given sum
- Element appearing once
- Equilibrium point
- Floor in a Sorted Array
- Buildings receiving sunlight
- Finding Profession
- Finding the numbers
- LCS with permutations
- Adding Ones
- Pairs with specific difference
- Circle and Lattice Points
- Largest Even Number
- Move all negative elements to end
- String Manipulation
- Binary Tree K level sum
- Recursively remove all adjacent duplicates
- Exit Point in a Matrix
- 1[0]1 Pattern Count
- Sum of k smallest elements in BST
- Flood fill Algorithm
- Pair with greatest product in array
- Decode the pattern
- Maximum no of 1's row
- Friends Pairing Problem
- Next Greater Even Number
- Gold Mine Problem
- Smallest subarray with sum greater than x
- Find Nth root of M
- Find largest word in dictionary
- Trace Path
- Sum of all substrings of a number
- Recaman’s sequence
- Minimum Operations
- Find all pairs with a given sum
- Check if frequencies can be equal
- Meta Strings
- Check if palindromic ignoring spaces
- Smallest window in a string containing all the characters of another string
- Largest Fibonacci Subsequence
- Longest Palindromic Subsequence
- K-th element of two sorted Arrays
- Common elements
- Recursive sequence
- Efficiently sorting numbers in range from 0 to n^2 - 1
- Element with left side smaller and right side greater
- Transitive closure of a Graph
- Array Subset of another array
- Smallest Positive missing number
- Count the paths
- First negative integer in every window of size k
- Four Elements
- Find the highest occurring digit in prime numbers in a range
- Paths to reach origin
- Subarray with 0 sum
- Get Minimum Squares
- Group Anagrams Together
- Find the closest prime number to a given number
- Count the elements
- Second most repeated string in a sequence
- Count all possible paths from top left to bottom right
- Sort the given array after applying the given equation
- Rearrange a string
- Sort by Absolute Difference
- Bird and maximum fruit gathering
- Swapping pairs make sum equal
- Toppers Of Class
- String Ignorance
- Minimum steps to minimize n as per given condition
- Minimum number of deletions.
- Closest Strings
- Count of strings that can be formed using a, b and c under given constraints
- Nth item through sum
- Longest subsequence-1
- Maximum sum Problem
- Minimum indexed character
- Find number of times a string occurs as a subsequence
- Minimum Cost To Make Two Strings Identical
- Find minimum adjustment cost of an array
- High-effort vs. Low-effort
- Stickler Thief
- Remaining String
- Find the most frequent digit
- Even Fibonacci Numbers Sum
- Sum of Lengths of Non-Overlapping SubArrays
- Chocolate Station
- Common Subsequence
- Star elements
- Special Numbers
- Sum of two large numbers
- Find the minimum time
- Prime number of set bits
- Pairs with Positive Negative values
- Numbers containing 1, 2 and 3
- Maximum Volume of a Rectangular Box
- Geek and his Tricky Series
- Next Happy Number
- Summed Matrix
- Fact Digit Sum
- Non-Repeating Element
- Closing bracket index
- Number of pairs with maximum sum
- Arya and The Great War
- Find out the Team
- Swap the closest and farthest digits
- Nearest multiple of 10
- Remove leading zeros from an IP address
- Reorganize The Array
- The invariable units digit
- Word with maximum frequency
- Form a number divisible by 3 using array digits
- Check if array contains contiguous integers with duplicates allowed
- Rearrange an array such that arr[i] = i
- Maximum height of the staircase
- Winner of an election where votes are represented as candidate names
- Villain Con
- Multiply by 11
- Amicable Pair
- Print this pattern!
- Count ways to express N as the sum of 1,3 and 4
- Easy string
- Convert a sentence into its equivalent mobile numeric keypad sequence
- Check if a number is divisible by 8
- XOR of two numbers after making length of their binary representations equal
- Arya's Long String
- Ishaan and Sticks
- Mysterious Series
- Akaash's Assignment
- Common Divisor
- Maximum sum of increasing order elements from n arrays
- The Non-repetitive String
- Print Bracket Number
- Check if it is possible to survive on Island
- The Buggy Robot
- Searching in an array where adjacent differ by at most k
- Cutting Binary String
- The Even Array
- Shoot, Reload, Repeat
- Palindromic Series
- The Light Problem
- The Modified String
- Days of Our Lives
- Check if any valid sequence is divisible by M
- Minimum changes to make all substrings distinct
- Ishaan's Birthday
- Delete array elements which are smaller than next or become smaller
- Lucky Ishaan
- Eulerian Path in an Undirected Graph
- Minimal moves to form a string
- Save Ironman
- Fitting The Array
- Are you "Perfect"
- Print adjacency list
- Pair with given sum in a sorted array
- Reverse a linked list
- Occurence of an integer in a Linked List
- Rotate a Linked List
- Pairwise swap elements of a linked list
- Given a linked list of 0s, 1s and 2s, sort it.
- Add two numbers represented by linked lists
- Rearrange a linked list
- Add 1 to a number represented as linked list
- linked list of strings forms a palindrome
- Compare two linked lists
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Remove duplicates from an unsorted linked list
- Sorted insert for circular linked list
- Split a Circular Linked List into two halves
- Insertion Sort
- Merge Sort
- Quick Sort
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of Tree
- Diameter of Binary Tree
- Check for Balanced Tree
- n'th node from end of linked list
- Left View of Binary Tree
- Delete Middle of Linked List
- Merge two sorted linked lists
- Sum Tree
- Decimal Equivalent of Binary Linked List
- Transform to Sum Tree
- Queue using two Stacks
- Remove duplicate element from sorted Linked List
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Reverse alternate levels of a perfect binary tree
- Insert a node in a BST
- BFS of graph
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Root to leaf path sum
- Print all nodes that don't have sibling
- Absolute List Sorting
- Lowest Common Ancestor in a BST
- Implement two stacks in an array
- Max sum path in two arrays
- Largest subarray of 0's and 1's
- Level order traversal Line by Line
- Print BST elements in given range
- Largest subarray with 0 sum
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- K-Palindrome
- Max sum in the configuration
- Get minimum element from stack
- Unique rows in boolean matrix
- Remove every k'th node
- Leaf at same level
- Distinct occurrences
- Sorted subsequence of size 3
- Josephus problem
- Expression Tree
- Check if Linked List is Palindrome
- Max distance between same elements
- Longest Consecutive Subsequence
- Delete a Node in Single Linked List
- Kth largest element in BST
- Find duplicates in an array
- Count distinct elements in every window
- Check if two strings are k-anagrams or not
- Max Level Sum in Binary Tree
- Special Stack
- Root to leaf paths sum
- Three way partitioning
- Sort a stack
- Longest consecutive sequence in Binary tree
- Level order traversal
- Peak element
- Inorder Successor in BST
- Index Of an Extra Element
- Sum of given range
- Ancestors in Binary Tree
- Level of a Node in Binary Tree
- Sum of leaf nodes in BST
- Root to Leaf Paths
- Maximum path sum
- Counting Sort
- Max and min element in Binary Tree
- Perfect Binary Tree
- Counting elements in two arrays
- Reverse a string using Stack
- Full binary tree
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Vertical sum
- Check if Tree is Isomorphic
- Predecessor and Successor
- Find length of Loop
- Deletion and Reverse in Linked List
- Leaf under budget
- Reverse First K elements of Queue
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Nodes at Odd Levels
- Closest Neighbor in BST
- Sum of the Longest Bloodline of a Tree
- Exchange the Leaf Nodes
- Check if two Nodes are Cousins
- ZigZag Tree Traversal
- Sum of Leaf Nodes at Min Level
- Tilt of Binary Tree
- Need Some Change
- Count the Specials
- Matrix Interchange
- Predict the Column

- Coin Change
- Kadane's Algorithm
- Sum Of Prime
- Maximum Sub Array
- Print Diagonally
- Maximum Index
- Longest Increasing Subsequence
- Longest Common Subsequence
- Minimum number of jumps
- Count ways to reach the n'th stair
- Count ways to N'th Stair(Order does not matter)
- Edit Distance
- Consecutive 1's not allowed
- Longest Even Length Substring
- Path in Matrix
- Trapping Rain Water
- String formation from substring
- Case-specific Sorting of Strings
- Subset Sum Problem
- Number of Coins
- Find Prime numbers in a range
- Stock buy and sell
- Largest Number formed from an Array
- Possible words from Phone digits
- Longest Palindrome in a String
- Modular Exponentiation for large numbers
- Rearrange Array Alternately
- Relative Sorting
- Largest square formed in a matrix
- Boolean Matrix Problem
- Sorting Elements of an Array by Frequency
- Number of ways
- Minimum Cost of ropes
- Form a palindrome
- Maximum length Bitonic Subarray
- Length of the longest substring
- Longest consecutive subsequence
- Stock span problem
- Palindromic Array
- Betting game
- Is Binary Number Multiple of 3
- Preorder Traversal and BST
- Circle of strings
- Nodes at even distance
- Minimize the heights
- X Total Shapes
- Total Decoding Messages
- Combination Sum - Part 2
- Word Break
- Longest Prefix Suffix
- K’th smallest element
- Longest Common Substring
- Snake and Ladder Problem
- Shortest Source to Destination Path
- Number of Palindromic paths in a Matrix
- Replace O's with X's
- Knight Walk
- Distance of nearest cell having 1
- Find whether path exist
- Largest prime factor
- Length of largest region of 1's
- Rearrange characters
- Express as sum of power of natural numbers
- First non-repeating character in a stream
- Kth Smallest Factor
- Count subsequences of type a^i b^j c^k
- Stepping Numbers
- Kth largest element in a stream
- Water Overflow
- Zero Sum Subarrays
- Floyd Warshall
- Nearly Sorted Algorithm
- Largest Sum Subarray of Size at least K
- Maximum sum Rectangle
- Array Pair Sum Divisibility Problem
- Rotten Oranges
- Prime factorization and geek number
- Minimum cost to fill given weight in a bag
- Steps by Knight
- Median In a Row-Wise sorted Matrix
- Smith Number
- Maximum bitonic subarray sum
- Maximum Tip Calculator
- Make Matrix Beautiful
- Letters Collection
- Geek and Strings
- Container with most water
- Print Binary Tree levels in sorted order
- Smaller on Left
- Given a linked list, reverse alternate nodes and append at the end
- Reverse a Linked List in groups of given size.
- Delete nodes having greater value on right
- Count BST nodes that lie in a given range
- Check for BST
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection Point in Y Shapped Linked Lists
- Add all greater values to every node in a BST
- Connect Nodes at Same Level
- Flattening a Linked List
- Diagonal Traversal of Binary Tree
- Detect cycle in a directed graph
- Detect cycle in an undirected graph
- Min distance between two given nodes of a Binary Tree
- Maximum difference between node and its ancestor
- Topological sort
- Print a Binary Tree in Vertical Order
- Merge K sorted linked lists
- Find the number of islands
- Serialize and Deserialize a Binary Tree
- Circular tour
- Check if subtree
- Kth element in Matrix
- Remove loop in Linked List
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Max length chain
- Minimum Spanning Tree
- Largest BST
- Interleaved Strings
- Minimum Swaps to Sort
- Rat in a Maze Problem
- Bipartite Graph
- Max sum subarray by removing at most one element
- Find the Closest Element in BST
- Delete keys in a Linked list
- Merge two BST 's
- Merge k Sorted Arrays
- Length of longest palindrome in linked list
- Bridge Edge in Graph
- Top View of Binary Tree
- Smallest range in K lists
- k-th smallest element in BST
- Polynomial Addition
- Find a pair with given target in BST
- Count Element Occurences
- K-Sum Paths
- Foldable Binary Tree
- Median of BST
- Construct Tree from Preorder Traversal
- Count Number of SubTrees having given Sum
- Path Count in Directed Graph