- Replace all 0's with 5
- Print the pattern | Set-1
- Palindromic Array
- Print alternate elements of an array
- Reverse an Array
- Palindrome String
- Series AP
- Binary number to decimal number
- Print table
- Remove Spaces
- Value equal to index value
- Second Largest
- Palindrome
- At least two greater elements
- Java Hello World
- Change the string

Name

Sanjana Singh

Rank in Institute

#12

Courses Attended

Campus Ambassador

Overall Coding Score: 846

Monthly Coding Score: 40

Weekly Coding Score: 0

- Count nodes of linked list
- Node at a given index in linked list
- Delete node in Doubly Linked List
- Size of Binary Tree
- Inorder Traversal
- Count Leaves in Binary Tree
- Height of Binary Tree
- Finding middle element in a linked list
- Postorder Traversal
- Implement Stack using Linked List
- Implement stack using array
- Implement Queue using Linked List
- Binary Search
- Remove duplicate elements from sorted Array
- Add two fractions
- Replace all 0's with 5
- Count zeros in a sorted matrix
- Convert to Roman No
- Preorder Traversal
- Minimum distance between two numbers
- Linked List Insertion
- Minimum element in BST
- Linked List Length Even or Odd?
- Delete Alternate Nodes
- Identical Linked Lists
- Triplet Family
- Insert in Middle of Linked List
- Count Non-Leaf Nodes in Tree
- Product of array elements
- Search an Element in an array
- Maximum Occuring Character
- Binary String
- LCM And GCD
- GCD of Array
- Power of 2
- Sort The Array
- Pythagorean Triplet
- Nth Fibonacci Number
- Majority Element
- Sieve of Eratosthenes
- Count possible triangles
- Rotate Array
- Permutations of a given string
- Missing number in array
- Swap two nibbles in a byte
- Maximum product of two numbers
- Count total set bits
- Number is sparse or not
- Reverse sub array
- Greater on right side
- Immediate Smaller Element
- Count zero
- Sum of distinct elements
- Binary Array Sorting
- k largest elements
- Minimum difference pair
- Check if a number is power of another number
- Find position of set bit
- Find the Odd Occurence
- Rotating an Array
- Reverse array in groups
- Set Bits
- Longest Consecutive 1's
- Encrypt the string - 1
- Sum of dependencies in a graph
- Sort in specific order
- Check if string is rotated by two places
- Find first repeated character
- Count even substrings
- Index of first 1 in a sorted array of 0’s and 1’s
- Print an array in Pendulum Arrangement
- Transpose of Matrix
- First element to occur k times
- Extract Maximum
- Uncommon characters
- Sum of numbers in string
- Sorted matrix
- Sum Terms Nth Row
- Pair cube count
- Swap and Maximize
- Partition Point in the Array
- Alternative Sorting
- Twice counter
- Distinct Adjacent Element
- Print first n Fibonacci Numbers
- Minimum number of flipped bits
- Print Matrix in snake Pattern
- Anagram Palindrome
- Sum of first n terms
- Maximize ∑arr[i]*i of an Array
- Find the closest number
- How Many X's?

- Reverse a linked list
- Occurence of an integer in 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
- Compare two linked lists
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Remove duplicates from an unsorted linked list
- Reverse a Doubly Linked List
- Insertion Sort
- Merge Sort
- Quick Sort
- Right View of Binary Tree
- K distance from root
- Two Mirror Trees
- Maximum Width of Tree
- Check for Balanced Tree
- Nth 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
- Intersection of two sorted Linked lists
- Find Transition Point
- Remove duplicate element from sorted Linked List
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Insert a node in a BST
- BFS of graph
- 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
- 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
- Minimum Depth of a Binary Tree
- Odd even level difference
- Sorted subsequence of size 3
- Check if Linked List is Palindrome
- Longest Consecutive Subsequence
- Delete a Node in Single Linked List
- Kth largest element in BST
- Find duplicates in an array
- Check if two strings are k-anagrams or not
- Max Level Sum in Binary Tree
- Root to leaf paths sum
- Three way partitioning
- Level order traversal
- Peak element
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Ancestors in Binary Tree
- Level of a Node in Binary Tree
- Sum of leaf nodes in BST
- Root to Leaf Paths
- Maximum path sum
- Reverse a string using Stack
- Linked List that is Sorted Alternatingly
- Full binary tree
- Symmetric Tree
- Count Pairs whose sum is equal to X
- Maximum Node Level
- Children Sum Parent
- Diagonal Sum In Binary Tree
- Find length of Loop
- Deletion and Reverse in Linked List
- Median of BST
- Linked List Matrix
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- ZigZag Tree Traversal
- Frequencies of Limited Range Array Elements
- Anagram
- Wave Array
- Search in a Rotated Array
- Maximize Toys
- Non Repeating Character
- Sum of Middle Elements of two sorted arrays
- First Repeating Element
- Reverse words in a given string
- Move all zeroes to end of array
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Two numbers with sum closest to zero
- Next greater number set digits
- Amount of Water
- Segregate even and odd nodes in a Linked List
- Column name from a given column number
- Maximum Product Subarray
- N meetings in one room
- Remove Duplicates
- Maximum sum increasing subsequence
- Array to BST
- Max Sum without Adjacents
- Key Pair
- Maximum Difference
- Reverse Bits
- Subarray with given sum
- Leaders in an array
- Swap all odd and even bits
- Count pairs with given sum
- Three Great Candidates
- Overlapping rectangles
- Minimum element in a sorted and rotated array
- Search in a matrix
- Number Of Open Doors
- Faithful Numbers
- K-Pangrams
- Generate binary string
- Missing element of AP
- Count the Zeros
- Smallest number subset
- Game of Death in a circle
- Perfect Numbers
- Count number of substrings
- Equilibrium point
- Max Length Removal
- Min Number of Flips
- Chocolate Distribution Problem
- 1[0]1 Pattern Count
- Drive the car
- Smallest subarray with sum greater than x
- Find all pairs with a given sum
- Excel Sheet | Part - 2
- Common elements
- Element with left side smaller and right side greater
- Array Subset of another array
- Divisible by 5 or not-1
- Game with String
- Second most repeated string in a sequence
- Shortest Common Supersequence
- Sort by Absolute Difference
- Count of strings that can be formed using a, b and c under given constraints
- Minimum indexed character
- Stickler Thief
- Remaining String
- Maximum number of zeroes
- Even Fibonacci Numbers Sum
- Count the triplets
- Pairs with Positive Negative values
- Check if array contains contiguous integers with duplicates allowed
- Maximum height of the staircase
- Ease the Array
- Print this pattern!
- Smallest greater elements in whole array
- Save Ironman

- 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
- 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
- Clone a linked list with next and random pointer
- Boundary Traversal of binary tree
- Delete a node from BST
- Detect cycle in a directed graph
- Detect cycle in an undirected graph
- Min distance between two given nodes of a Binary Tree
- The Celebrity Problem
- Topological sort
- Find the number of islands
- Circular tour
- Check if subtree
- Kth element in Matrix
- Remove loop in Linked List
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Max length chain
- Largest BST
- Interleaved Strings
- Minimum Swaps to Sort
- Find the Closest Element in BST
- Delete keys in a Linked list
- k-th smallest element in BST
- Occurences of 2 as a digit
- Leaves to DLL
- Smallest Positive missing number
- Unit Area of largest region of 1's
- Count ways to N'th Stair(Order does not matter)
- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Excel Sheet | Part - 1
- Maximum Sub Array
- Overlapping Intervals
- Maximum Index
- Equal Sum
- Next Permutation
- Longest Increasing Subsequence
- Parenthesis Checker
- Longest Common Subsequence
- Minimum number of jumps
- Count ways to reach the n'th stair
- Edit Distance
- Maximum Rectangular Area in a Histogram
- Consecutive 1's not allowed
- Longest Even Length Substring
- Path in Matrix
- Trapping Rain Water
- String formation from substring
- Minimum Platforms
- Find Prime numbers in a range
- Stock buy and sell
- Largest Number formed from an Array
- Modular Exponentiation for large numbers
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Maximum of all subarrays of size k
- Largest square formed in a matrix
- Row with max 1s
- Sorting Elements of an Array by Frequency
- Nuts and Bolts Problem
- Rotate a 2D array without using extra space
- Form a palindrome
- Inversion of array
- Length of the longest substring
- Longest consecutive subsequence
- Minimum steps to get desired array
- Subsequence matching
- Handshakes
- Tic-Tac-Toe
- Palindromic Array
- Is Binary Number Multiple of 3
- Bleak Numbers
- Coin Piles
- Queries on Strings
- Next larger element
- Total Decoding Messages
- Longest Prefix Suffix
- Kth smallest element
- Longest Common Substring
- Count Palindrome Sub-Strings of a String
- Recursively remove all adjacent duplicates
- Shortest Source to Destination Path
- Find whether path exist
- Unit Area of largest region of 1's
- Rearrange characters
- First non-repeating character in a stream
- Count subsequences of type a^i b^j c^k
- Stepping Numbers
- Zero Sum Subarrays
- Smallest window in a string containing all the characters of another string
- Smallest distinct window
- Nearly Sorted Algorithm
- Smallest Positive missing number
- Rotten Oranges
- Longest Common Prefix in an Array
- Median In a Row-Wise sorted Matrix
- In First But Second
- Row with minimum number of 1's
- Longest Sub-Array with Sum K

- QuickSort on Doubly Linked List
- Reorder List
- Binary Tree to DLL
- Longest Palindromic Substring in Linear Time
- Nodes at given distance in binary tree
- Minimum sum partition
- Merge Without Extra Space
- Find sum of different corresponding bits for all pairs
- Return two prime numbers
- Ugly Numbers
- Distinct palindromic substrings