- Print Linked List elements
- 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
- Circular Linked List
- Postorder Traversal
- Implement Stack using Linked List
- Implement Queue using Linked List
- Square root
- Doubly linked list Insertion
- Binary Search
- Replace all 0's with 5
- Count zeros in a sorted matrix
- Preorder Traversal
- Implement strstr
- C++ STL | Set 1 (vector)
- C++ STL | Set 3 (map)
- C++ STL | Set 4 (stack)
- C++ STL | Set 5 (queue)
- C++ STL | Set 6 (set)
- Search a node in BST
- Equal Sum and XOR
- C++ STL | Set 7 (unordered map)
- C++ STL | Set 8 (unordered set)
- Implement Atoi
- Find triplets with zero sum
- Linked List Insertion
- 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
- Maximum in Struct Array
- Queue Reversal
- Sum of Binary Tree
- Magical Number
- Insert in Middle of Linked List
- longest substring containing '1'
- Count Non-Leaf Nodes in Tree
- C++ STL List
- Start Coding
- logical Operators
- Sort and Reverse Vector
- Front to Back
- Stack designer
- Queue Designer
- Map Operations
- Check if a string is Isogram or not
- Binary String
- Consecutive elements
- Factorial
- Prime Number
- LCM And GCD
- GCD of Array
- Repetitive Addition Of Digits
- Power of 2
- Pythagorean Triplet
- Nth Fibonacci Number
- Sort a String
- Majority Element
- Sieve of Eratosthenes
- Rotate Array
- Permutations of a given string
- Check if the number is Fibonacci
- Missing number in array
- Rock Paper Scissors!
- Array of alternate +ve and -ve no.s
- Maximum product of two numbers
- Number of paths
- Count total set bits
- Number is sparse or not
- Bit Difference
- Count numbers containing 4
- Reverse sub array
- Greater on right side
- Immediate Smaller Element
- Sum of distinct elements
- Binary Array Sorting
- Intersection of two arrays
- Union of two arrays
- Convert array into Zig-Zag fashion
- Remove character
- Number of occurrence
- Maximum repeating number
- k largest elements
- Minimum difference pair
- Triangle growing downwards
- Maximum money
- Ways To Tile A Floor
- Find the Odd Occurence
- Keypad typing
- Rotate by 90 degree
- Set Bits
- Professor and Parties
- Longest Consecutive 1's
- Padovan Sequence
- Minimize the sum of product
- Reverse each word in a given string
- Check if two arrays are equal or not
- Check if string is rotated by two places
- XOR of all elements
- Check if divisible by 4
- Find first set bit
- Find first repeated character
- Sort the fest
- Geek and Coffee Shop
- Wrong Ball
- Index of first 1 in a sorted array of 0ās and 1ās
- Find the element that appears once in sorted array
- First element to occur k times
- Check whether K-th bit is set or not
- Length of Last word
- Uncommon characters
- Sum of numbers in string
- Rotate Bits
- Find Smallest Missing in Sorted
- Sorted matrix
- K-th distinct element
- Check if a string is Isogram or not
- Check Arithmetic Progression
- Rightmost different bit
- Set kth bit
- Twice counter
- Print first n Fibonacci Numbers
- Find the Highest number
- Anagram Palindrome
- Closest Number
- Transform to prime
- First and last occurrences of X
- Positive and negative elements
- Anshuman's Favourite Number
- The Counting Game !!
- XOR Count Zero and One
- Repeated Character
- Red OR Green
- Sort String
- Find unique element
- Find the closest number
- Check if the number is balanced
- The problem of identical arrays
- C++ Basic Data types
- C++ Corresponding position in the two strings that hold exactly the same characters.
- Product of maximum in first array and minimum in second
- Most frequent word in an array of strings
- Check if strings are rotations of each other or not
- Sophie Germain Prime
- C++ Sets
- The Penalty Shootout
- Confused pappu
- How Many X's?

Name

Reetu kumari

Rank in Institute

#9

Courses Attended

Campus Ambassador

Overall Coding Score: 1363

Monthly Coding Score: 0

Weekly Coding Score: 0

- Reverse a linked list
- Rotate a Linked List
- Given a linked list of 0s, 1s and 2s, sort it.
- Add two numbers represented by linked lists
- Detect Loop in linked list
- Merge Sort
- Quick Sort
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Maximum Width of Tree
- Diameter of Binary Tree
- Check for Balanced Tree
- Heap Sort
- Nth node from end of linked list
- Left View of Binary Tree
- Merge two sorted linked lists
- Sum Tree
- Find Transition Point
- Queue using two Stacks
- Remove duplicate element from sorted Linked List
- Stack using two queues
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- 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
- Lowest Common Ancestor in a BST
- Run Length Encoding
- 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
- Max sum in the configuration
- Equilibrium index of an array
- Validate an IP Address
- Distinct occurrences
- Josephus problem
- Expression Tree
- Check if Linked List is Palindrome
- Find duplicates in an array
- Count distinct elements in every window
- Special Stack
- Sort a stack
- Level order traversal
- Peak element
- Index Of an Extra Element
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- 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
- Counting elements in two arrays
- XOR of a given range
- Symmetric Tree
- Huffman Decoding-1
- Check if Tree is Isomorphic
- Sum of Leaf Nodes
- ZigZag Tree Traversal
- The New Line
- Data Types
- The Size of
- Taking input
- Learn to Comment
- GetLine and Ignore
- Learning to be precise
- Bitwise Operators
- Even Odd
- For Loop- primeCheck
- While loop- printTable
- Learning Macros
- Step by Step Condition
- Start Coding - Java
- The New Line - Java
- Data Types - Java
- Taking input - Java
- Learn to Comment - Java
- nextLine and next
- Precise Fomat - Java
- Count Odd Even
- Need Some Change
- Count the Specials
- Matrix Interchange
- Predict the Column
- Xoring and Clearing
- Consonants and Vowels check
- Even Subsets
- Almost Equal
- The Pattern Matcher
- Magic in CPP
- Swap the objects
- Structs and Objects
- Two Dimensional World
- Learning Structs
- Delete Array
- Find the Frequency
- Back to Front
- Pair Sum in Vector
- Student of the Year
- Get min at pop
- Pairwise swap of nodes in LinkeList
- Winner of an election
- Reverse words in a given string
- Anagram
- Number of Unique Paths
- Wave Array
- Print Pattern
- Search in a Rotated Array
- Rectangles in N*N Board
- Squares in N*N Chessboard
- Maximize Toys
- Non Repeating Character
- Minimum number of Coins
- Sum of Middle Elements of two sorted arrays
- First Repeating Element
- Reverse words in a given string
- Move all zeroes to end of array
- Remove all duplicates from a given string
- Activity Selection
- Sort an array of 0s, 1s and 2s
- Pairs with difference k
- Two numbers with sum closest to zero
- Finding Number
- Maximum value in a bitonic array
- Single Number
- Longest Distinct characters in string
- Column name from a given column number
- Maximum Product Subarray
- N meetings in one room
- Remove Duplicates
- Addition of submatrix
- Maximum sum increasing subsequence
- Facing the sun
- Key Pair
- Add Binary Strings
- Product array puzzle
- Lucky Number
- Subarray with given sum
- Leaders in an array
- Swap all odd and even bits
- Count number of hops
- Equal to product
- Count pairs with given sum
- Segregate 0s and 1s
- Triplet Sum in Array
- Two Repeated Elements
- Three Great Candidates
- Reach a given score
- Overlapping rectangles
- Inverted triangle of stars
- Search in a matrix
- Fibonacci Sum
- Shop in Candy Store
- K-Pangrams
- Largest number possible
- Generate binary string
- Count the Zeros
- 0 - 1 Knapsack Problem
- The Prime Twins
- Tom and Jerry
- Cutted Segments
- Left out candies
- Element appearing once
- Equilibrium point
- Max value
- Finding the numbers
- Prime Factors
- Least Prime Factor
- Min Number of Flips
- Chocolate Distribution Problem
- Flood fill Algorithm
- Kth Prime factor of a Number
- Roman Number to Integer
- Friends Pairing Problem
- Gold Mine Problem
- Smallest subarray with sum greater than x
- Minimum Operations
- Find all pairs with a given sum
- Check if frequencies can be equal
- Longest Palindromic Subsequence
- K-th element of two sorted Arrays
- Common elements
- Array Subset of another array
- First negative integer in every window of size k
- Paths to reach origin
- Subarray with 0 sum
- Get Minimum Squares
- Nth catalan number
- Group Anagrams Together
- Sum equals to Sum
- Second most repeated string in a sequence
- Count all possible paths from top left to bottom right
- Shortest Common Supersequence
- Painting the Fence
- Euler Totient Function
- Primes sum
- Swapping pairs make sum equal
- Sum of Divisors in an array
- Minimum indexed character
- Longest Repeating Subsequence
- Stickler Thief
- Prime number of set bits
- Numbers containing 1, 2 and 3
- Count Primes In Range
- Non-Repeating Element
- Sexy Primes
- Nearest multiple of 10
- Check if array contains contiguous integers with duplicates allowed
- Maximum height of the staircase
- Winner of an election
- Print adjacency list

- Reverse a Linked List in groups of given size.
- 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
- Connect Nodes at Same Level
- Flattening a Linked List
- Detect cycle in a directed graph
- Detect cycle in an undirected graph
- The Celebrity Problem
- Topological sort
- Print a Binary Tree in Vertical Order
- Merge K sorted linked lists
- Find the number of islands
- Get minimum element from stack
- Serialize and Deserialize a Binary Tree
- Wildcard Pattern Matching
- Make Binary Tree From Linked List
- Generate IP Addresses
- Check if subtree
- Clone a Binary Tree
- Remove loop in Linked List
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Max length chain
- Minimum Spanning Tree
- Interleaved Strings
- LRU Cache
- Box Stacking
- Multiply two strings
- Minimum Swaps to Sort
- Strongly Connected Components (Kosaraju's Algo)
- Rat in a Maze Problem
- Merge k Sorted Arrays
- Duplicate subtree in Binary Tree
- Merge Sort on Doubly Linked List
- Binary Tree to CDLL
- Occurences of 2 as a digit
- Foldable Binary Tree
- Leaves to DLL
- Construct Tree from Preorder Traversal
- Trapping Rain Water
- Longest consecutive subsequence
- Count ways to N'th Stair(Order does not matter)
- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Sum Of Prime
- Rank The Permutations
- Print Diagonally
- Maximum Index
- Longest Increasing Subsequence
- Parenthesis Checker
- 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)
- Egg Dropping Puzzle
- Edit Distance
- nCr
- Consecutive 1's not allowed
- Path in Matrix
- Subset Sum Problem
- Number of Coins
- Minimum Platforms
- Number following a pattern
- Stock buy and sell
- Largest Number formed from an Array
- Longest Palindrome in a String
- Rearrange Array Alternately
- Concatenation of Zig-Zag String in ānā Rows
- Relative Sorting
- Maximum of all subarrays of size k
- Largest square formed in a matrix
- Row with max 1s
- Boolean Matrix Problem
- Sorting Elements of an Array by Frequency
- Nuts and Bolts Problem
- Rotate a 2D array without using extra space
- Special Keyboard
- Minimum Cost of ropes
- Form a palindrome
- Inversion of array
- Longest consecutive subsequence
- Stock span problem
- Convert an array to reduced form
- Tic-Tac-Toe
- Palindromic Array
- Is Binary Number Multiple of 3
- Number of pairs
- Coin Piles
- Minimize the heights
- Next larger element
- X Total Shapes
- Total Decoding Messages
- Word Break
- Longest Prefix Suffix
- Kth smallest element
- Prime Factors and their Powers
- Longest Common Substring
- Negative weight cycle
- Snake and Ladder Problem
- Recursively remove all adjacent duplicates
- Shortest Source to Destination Path
- Trie | (Insert and Search)
- Find all four sum numbers
- Word Boggle
- Is Sudoku Valid
- Find whether path exist
- Largest prime factor
- Rearrange characters
- First non-repeating character in a stream
- Count subsequences of type a^i b^j c^k
- K
^{th}largest element in a stream - Zero Sum Subarrays
- Smallest window in a string containing all the characters of another string
- Floyd Warshall
- Geek collects the balls
- Longest Bitonic subsequence
- Array Pair Sum Divisibility Problem
- Page Faults in LRU
- LCS of three strings
- Longest Common Prefix in an Array
- Count of sum of consecutives
- Optimal Strategy For A Game

- QuickSort on Doubly Linked List
- Reorder List
- Binary Tree to DLL
- AVL Tree Insertion
- Longest Palindromic Substring in Linear Time
- Alien Dictionary
- AVL Tree Deletion
- Nodes at given distance in binary tree
- Fixing Two nodes of a BST
- Number of Turns in Binary Tree
- Solve the Sudoku
- Minimum Points To Reach Destination
- Minimum sum partition
- Maximum of minimum for every window size
- Head to Tail ordering
- Merge Without Extra Space
- Next Smallest Palindrome
- Find sum of different corresponding bits for all pairs
- Return two prime numbers
- Allocate minimum number of pages
- A Simple Fraction
- Ugly Numbers
- Number Formation
- Boolean Parenthesization
- Longest valid Parentheses
- Word Break - Part 2
- Minimum Cost Path
- N-Queen Problem
- Solve the Sudoku
- Strongly connected component (Tarjans's Algo)
- Find median in a stream
- Travelling Salesman Problem
- Max Circular Subarray Sum
- Distinct palindromic substrings
- Longest Zig-Zag Sub Sequence
- Similar expressions
- Convert to Strictly increasing array
- Phone directory
- Count the subarrays having product less than k
- Closest Palindrome