- Print alternate elements of an array
- Sum of array elements
- Reverse an Array
- Maximum and Minimum Of Array Elements
- Sum Of Digits
- Sum of Array
- Leap Year
- Palindrome String
- Sum of Series
- Binary number to decimal number
- Value equal to index value
- Second Largest
- Check if an array is sorted
- Mean
- Multiply Array
- At least two greater elements
- Display longest name
- Reverse a String
- Largest Element in Array

Name

Monu Singhal

Rank in Institute

#1

Courses Attended

Overall Coding Score: 949

Monthly Coding Score: 62

Weekly Coding Score: 21

- Print Linked List elements
- Count nodes of linked list
- Node at a given index in 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
- Binary Search
- Remove duplicate elements from sorted Array
- Add two fractions
- Replace all 0's with 5
- Convert to Roman No
- Preorder Traversal
- Search a node in BST
- Remainder with 7
- Find Number of Numbers
- Minimum distance between two numbers
- Find triplets with zero sum
- Minimum element in BST
- Linked List Length Even or Odd?
- Delete Alternate Nodes
- Identical Linked Lists
- Find the Sum of Last N nodes of the Linked List
- Modular Node
- Find n/k th node in Linked list
- Queue Reversal
- Triplet Family
- Sum of Binary Tree
- Insert in Middle of Linked List
- Count Non-Leaf Nodes in Tree
- Product of array elements
- Stack designer
- Queue Push & Pop
- Search an Element in an array
- Binary String
- Consecutive elements
- Searching a number
- Power of 2
- Pythagorean Triplet
- Nth Fibonacci Number
- Sort a String
- Majority Element
- Sieve of Eratosthenes
- Rotate Array
- Permutations of a given string
- Missing number in array
- Maximum product of two numbers
- Segregate Even and Odd numbers
- Immediate Smaller Element
- Sum of distinct elements
- Binary Array Sorting
- Intersection of two arrays
- Union of two arrays
- Convert array into Zig-Zag fashion
- Number of occurrence
- Pairs of prime number
- Check if a number is power of another number
- Ways To Tile A Floor
- Smallest number
- Find the Odd Occurence
- Angle between hour and minute hand
- Searching an element in a sorted array
- Composite Series
- Reverse array in groups
- Set Bits
- Professor and Parties
- Common Divisors
- Perfect Reversible String
- Minimize the sum of product
- Missing number
- Squares in a Matrix
- Find first and last occurrence of x
- Check if two arrays are equal or not
- Check if divisible by 11
- Find first repeated character
- Last index of One
- First element to occur k times
- Uncommon characters
- Find minimum and maximum element in an array
- Pair cube count
- Check set bits
- Count Pairs Odd Xor
- Remove repeated digits in a given number
- Remove common characters and concatenate
- Rectangle Number
- Sum of Digit Modified
- Repeated Character
- Merge two strings
- Find the fine
- Remove consonants from a string
- Making elements distinct
- Last duplicate element in a sorted array
- Perfect Square String
- Sum of f(a[i], a[j]) over all pairs in an array of n integers
- Program for length of the longest word in a sentence
- Confused pappu
- Difference series
- Multiply left and right array sum.

- 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.
- Rearrange a linked list
- Add 1 to a number represented as linked list
- linked list of strings forms a palindrome
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Rearrange linked list in-place
- Remove duplicates from an unsorted linked list
- Split a Circular Linked List into two halves
- Reverse a Doubly Linked List
- Insertion 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
- Nth node from end of linked list
- Left View of Binary Tree
- Delete Middle of Linked List
- Merge two sorted linked lists
- Sum Tree
- Find Transition Point
- Remove duplicate element from sorted Linked List
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Absolute List Sorting
- Lowest Common Ancestor in a BST
- Largest subarray of 0's and 1's
- Print BST elements in given range
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- Check if Linked List is Palindrome
- Max distance between same elements
- Longest Consecutive Subsequence
- Check whether BST contains Dead End
- Kth largest element in BST
- Max Level Sum in Binary Tree
- Special Stack
- Root to leaf paths sum
- Sort a stack
- Level order traversal
- Peak element
- Index Of an Extra Element
- Merge Sort for Linked List
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Level of a Node in Binary Tree
- Sum of leaf nodes in BST
- Max and min element in Binary Tree
- Perfect Binary Tree
- Counting elements in two arrays
- Reverse a string using Stack
- Full binary tree
- Modify Linked List-1
- Symmetric Tree
- Vertical sum
- Count Pairs whose sum is equal to X
- Check if Tree is Isomorphic
- Maximum Node Level
- Children Sum Parent
- Diagonal Sum In Binary Tree
- Find length of Loop
- Deletion and Reverse in Linked List
- Reverse First K elements of Queue
- Remove Half Nodes
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Sum of the Longest Bloodline of a Tree (Sum of nodes on the longest path from root to leaf node)
- Delete middle element of a stack
- Matrix Interchange
- Sum of Big Integers
- Get min at pop
- Deque Implementations
- Min Heap implementation
- Number of Unique Paths
- Wave Array
- Subarray with least average
- Trailing zeroes in factorial
- First Repeating Element
- Count Occurences of Anagrams
- Reverse words in a given string
- Remove all duplicates from a given string
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Segregate even and odd nodes in a Linked List
- Count increasing Subarrays
- Count distinct pairs with difference k
- Addition of submatrix
- Array to BST
- Triangular Number
- Key Pair
- Product array puzzle
- Reverse Bits
- Reach the Nth point
- Subarray with given sum
- Leaders in an array
- Equal to product
- Count pairs with given sum
- Inorder Traversal and BST
- Segregate 0s and 1s
- Triplet Sum in Array
- Number Of Open Doors
- Shop in Candy Store
- Count the Zeros
- Longest Common Increasing Subsequence
- Valid Substring
- Perfect Numbers
- The Nth Fibonnaci
- Floor in a Sorted Array
- Prime Factors
- Adding Ones
- Count Pairs in an Array
- Min sum formed by digits
- Sum of k smallest elements in BST
- Decode the pattern
- Roman Number to Integer
- Decode the string
- Smallest subarray with sum greater than x
- Find Nth root of M
- Recamanâ€™s sequence
- Minimum Operations
- Find all pairs with a given sum
- Largest Fibonacci Subsequence
- Longest Palindromic Subsequence
- K-th element of two sorted Arrays
- Evaluation of Postfix Expression
- Recursive sequence
- Element with left side smaller and right side greater
- Array Subset of another array
- Divisible by 5 or not-1
- Count the elements
- Second most repeated string in a sequence
- Divisibility by 999
- Swapping pairs make sum equal
- Minimum indexed character
- Count the triplets
- Pairs which are Divisible by 4
- Maximum difference of zeros and ones in binary string
- Find out the Team
- Ease the Array
- Amicable Pair
- Counts Zeros Xor Pairs
- 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
- Find the closest pair from two arrays
- Print Bracket Number
- Delete array elements which are smaller than next or become smaller

- Reverse a Linked List in groups of given size.
- Delete nodes having greater value on right
- Quick Sort on Linked List
- Count BST nodes that lie in a given range
- Check for BST
- Add all greater values to every node in a BST
- Diagonal Traversal of Binary Tree
- Delete a node from BST
- Circular tour
- Clone a Binary Tree
- Max length chain
- Largest BST
- Interleaved Strings
- Sum of permutations
- Multiply two strings
- Minimum Swaps to Sort
- Number of root to leaf paths
- Find the Closest Element in BST
- Merge two BST 's
- Merge k Sorted Arrays
- Length of longest palindrome in linked list
- k-th smallest element in BST
- Polynomial Addition
- Merge Sort on Doubly Linked List
- Binary Tree to CDLL
- Find a pair with given target in BST
- Foldable Binary Tree
- Construct Tree from Preorder Traversal
- Convert Level Order Traversal to BST
- Smallest Positive missing number
- Subarrays with equal 1s and 0s
- Sorting Elements of an Array by Frequency
- Longest consecutive subsequence
- Kadane's Algorithm
- Find Missing And Repeating
- Sum Of Prime
- Maximum Sub Array
- Print Diagonally
- Overlapping Intervals
- Maximum Index
- Parenthesis Checker
- Longest Common Subsequence
- Count ways to reach the n'th stair
- Count ways to N'th Stair(Order does not matter)
- nCr
- Consecutive 1's not allowed
- Count of Subarrays
- Path in Matrix
- String formation from substring
- Sum of bit differences
- Find Prime numbers in a range
- Largest Number formed from an Array
- Jumping Numbers
- Longest Palindrome in a String
- Modular Exponentiation for large numbers
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Relative Sorting
- Maximum of all subarrays of size k
- Row with max 1s
- Boolean Matrix Problem
- Sorting Elements of an Array by Frequency
- Rotate a 2D array without using extra space
- Minimum Cost of ropes
- Power of Largest Prime
- Preorder to Postorder
- Length of the longest substring
- Longest consecutive subsequence
- Stock span problem
- Convert an array to reduced form
- Subsequence matching
- Is Binary Number Multiple of 3
- Preorder Traversal and BST
- Product of Primes
- Minimize the heights
- Next larger element
- Total Decoding Messages
- Unique BST's
- Longest Prefix Suffix
- Kth smallest element
- Recursively remove all adjacent duplicates
- Find all four sum numbers
- Largest prime factor
- First non-repeating character in a stream
- Zero Sum Subarrays
- Nearly Sorted Algorithm
- Infix to Postfix
- Array Pair Sum Divisibility Problem
- Rotten Oranges
- Longest Common Prefix in an Array
- Median In a Row-Wise sorted Matrix
- Find the element at given index
- Last two digits of Fibonacci
- Lazy Pasha

- Reorder List
- Binary Tree to DLL
- AVL Tree Insertion
- Maximum subset XOR
- Fixing Two nodes of a BST
- Solve the Sudoku
- Minimum sum partition
- Maximum of minimum for every window size
- Merge Without Extra Space
- Next Smallest Palindrome
- Return two prime numbers
- Allocate minimum number of pages
- A Simple Fraction
- Ugly Numbers
- Longest valid Parentheses
- Minimum Cost Path
- Solve the Sudoku
- Generalised Fibonacci numbers
- Count the subarrays having product less than k
- Minimum number to make median X