S
shiwanisinha
STREAK
00/1477
days
Longest streak/Global longest streak
Language Used
Java, C++, Python
Coding Score
525
Problem Solved
252
Contest Rating
__
82 points
Contributor
82 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
0 submissions in current year
SCHOOL (1)
BASIC (42)
EASY (120)
MEDIUM (80)
HARD (9)
- Reverse a linked list
- Frequency in a Linked List
- Pairwise swap elements of a linked list
- Linked list of strings forms a palindrome
- Compare two linked lists
- Inorder Traversal
- Reverse a Doubly Linked List
- Selection Sort
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Height of Binary Tree
- Kth from End of Linked List
- Middle of a Linked List
- Check If Circular Linked List
- Left View of Binary Tree
- Transform to Sum Tree
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- DFS of Graph
- BFS of graph
- Identical Trees
- Square Root
- Run Length Encoding
- Leaves at Same Level or Not
- Convert to Roman No
- Match specific pattern
- Multiply two linked lists
- Count Occurrence of digit k
- Delete in a Singly Linked List
- Inorder Successor in BST
- Sum of given range
- Intersection of Two Linked Lists
- Sum of leaf nodes in BST
- Max and min element in Binary Tree
- Reverse Using Stack
- Full Binary Tree
- Find the Sum of Last N nodes of the Linked List
- Find n/k th node in Linked list
- Queue Reversal
- Reverse first K of a Queue
- Remove Half Nodes
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Sum of Leaf Nodes at Min Level
- Move all zeros to the front of the linked list
- Rotate doubly Linked List
- Controlled_Printing - Java
- Start Coding - Java
- The New Line - Java
- Exists or Not? - Java
- Count Odd Even - Java
- The Pattern Matcher - Java
- Need Some Change - Java
- Count the Specials - Java
- Matrix Interchange - Java
- Consonants and Vowels check - Java
- Predict the Column - Java
- Sum of Big Integers
- BigInteger Multiply
- BigInteger mod
- Java ArrayList Operation
- Array Leaders
- Floor in a Sorted Array
- Roof Top
- Transpose of Matrix
- Check if a string is Isogram or not
- Anagram
- String Rotated by 2 Places
- Reverse Words
- Sum of numbers in string
- Panagram Checking
- Non Repeating Character
- Parenthesis Checker
- Union of Arrays with Duplicates
- Find the closest number
- Pairs which are Divisible by 4
- Good Pairs
- Sorted and Rotated Minimum
- String Duplicates Removal
- Min sum formed by digits
- Move all negative elements to end
- Chocolate Distribution Problem
- Bitonic Point
- Find Duplicate Element
- Amend The Sentence
- Closing bracket index
- Convert a sentence into its equivalent mobile numeric keypad sequence
- Remove b and ac from a given string
- Rearrange a string
- Ordering of strings
- Remove Duplicates
- Facing the sun
- Distinct Substrings
- Find the most frequent digit
- Two sum -Pairs with 0 Sum
- Sum of f(a[i], a[j]) over all pairs in an array of n integers
- Segregate 0s and 1s
- The Counting Game !!
- Left out candies
- Fitting The Array
- Pair with given sum in a sorted array
- Pattern Searching
- Print Bracket Number
- Minimum changes to make all substrings distinct
- Odd Even Problem
- Divisibility by 8
- Sum Of Digits
- Game of Nim
- Element that appears once where every element occurs twice
- Maximize Toys
- Squares in N*N Chessboard
- Triangular Number
- Next Prime Palindrome
- Collection of pens
- Inorder Traversal and BST
- Print Pattern
- Sum of dependencies in a graph
- Unique Binary Tree Requirements
- Nearly Sorted Algorithm
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add 1 to a Linked List Number
- Merge 2 sorted linked list in reverse order
- Detect Loop in linked list
- Count BST nodes that lie in a given range
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Merge two sorted linked lists
- Sum Tree
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Directed Graph Cycle
- LCA in Binary Tree
- Absolute List Sorting
- Topological sort
- Find the number of islands
- Remove loop in Linked List
- Dijkstra Algorithm
- Multiply two strings
- Minimum Swaps to Sort
- Palindrome Linked List
- Delete keys in a Linked list
- Longest Palindrome in Linked List
- Sort a stack
- Duplicate Subtree
- Top View of Binary Tree
- Union of Two Linked Lists
- Pair Sum in BST
- Isomorphic Trees
- Sum of nodes on the longest path
- Convert Level Order Traversal to BST
- Ceil in BST
- Wave Array
- Stock buy and sell
- Kadane's Algorithm
- Count Inversions
- Merge Without Extra Space
- Spirally traversing a matrix
- Subarray with 0 sum
- Stock span problem
- Next Greater Element
- K Sized Subarray Maximum
- Minimum Jumps
- Stickler Thief
- Sum of all substrings of a number
- Longest Increasing Subsequence
- 0 - 1 Knapsack Problem
- Number of Unique Paths
- Kth Smallest
- Shortest Common Supersequence
- Print Anagrams Together
- Stock Buy and Sell – Multiple Transaction Allowed
- Prerequisite Tasks
- Sort 0s, 1s and 2s
- Mr Modulo and Pairs
- Water Collection
- Sort in specific order
- Rotate a Matrix
- Reverse each word in a given string
- k largest elements
- Longest Common Substring
- Longest substring with distinct characters
- Look and Say Pattern
- Rod Cutting
- Minimize the Heights II
- Minimum number of deletions
- Sieve of Eratosthenes
- Find the Safe Position
- How Many X's?
- Longest Repeating Subsequence
- Segregate even and odd nodes in a Linked List
- Help Classmates
- Jump Game
- Subset Sum Problem
- Covid Spread
- Floor in BST
- Find Length of Linked List
- Count Leaves in Binary Tree
- Postorder Traversal
- Replace all 0's with 5
- Replace all 0's with 5
- Print number pattern
- Preorder Traversal
- First Occurence
- Palindromic Array
- Minimum element in BST
- Modular Node
- longest substring containing '1'
- Count Non-Leaf Nodes in Tree
- Alternates in an Array
- Sum Array Puzzle
- Remove common characters and concatenate
- Anagram Palindrome
- Sum of distinct elements
- Sum of all sub-sequences of a number
- Same frequency in two halves
- Remove repeated digits in a given number
- The Penalty Shootout
- Last duplicate element in a sorted array
- Rotate Array by One
- Ishaan Loves Chocolates
- Rotating an Array
- Min and Max in Array
- Perfect Square String
- Remove character
- GCD of Array
- GCD of two numbers
- House Robber
- Factorial
- Sum of Digit is Palindrome or not
- Binary number to decimal number
- Series AP
- Check if the number is Fibonacci
- Anshuman's Favourite Number
- Print the Kth Digit
- Doctors Clinic
- Pattern Jumping
- Minimum difference pair
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