S
saswatdas121
STREAK
03/1461
days
Longest streak/Global longest streak
77 points
Contributor
77 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
5 submissions in current year
SCHOOL (1)
BASIC (31)
EASY (88)
MEDIUM (56)
HARD (1)
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Add 1 to a Linked List Number
- Detect Loop in linked list
- Count BST nodes that lie in a given range
- Merge Sort
- Quick Sort
- Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Sum Tree
- Connect Nodes of Levels
- Tree Boundary Traversal
- LCA in Binary Tree
- Two Stacks in an Array
- The Celebrity Problem
- Largest subarray with 0 sum
- Vertical Tree Traversal
- Remove loop in Linked List
- Implement Atoi
- Palindrome Linked List
- Rat in a Maze Problem - I
- Count distinct elements in every window
- Sort a stack
- Top View of Binary Tree
- Peak element
- Union of Two Linked Lists
- Construct Tree from Inorder & Preorder
- Construct tree from Inorder and LevelOrder
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- ZigZag Tree Traversal
- Ceil in BST
- Wave Array
- Rotate Array
- Kadane's Algorithm
- Majority Element
- Binary Array Sorting
- Indexes of Subarray Sum
- Stickler Thief
- Kth Smallest
- Sort 0s, 1s and 2s
- Single Among Doubles
- Row with max 1s
- Smallest distinct window
- Longest substring with distinct characters
- Longest Substring with K Uniques
- First negative in every window of size k
- First and Last Occurrences
- Perfect Sum Problem
- Subset Sums
- Product of Primes
- Geek's Training
- Partitions with Given Difference
- Reverse a linked list
- Node at a given index in linked list
- Remove duplicates from an unsorted linked list
- Bubble Sort
- Selection Sort
- Insertion Sort
- Mirror Tree
- Delete without head pointer
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Check If Circular Linked List
- Left View of Binary Tree
- Delete Middle of Linked List
- Transform to Sum Tree
- Intersection Sorted Linked Lists
- Find Transition Point
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Stack using Linked List
- Insert a node in a BST
- Identical Trees
- Root to leaf path sum
- Lowest Common Ancestor in a BST
- Binary Search
- Run Length Encoding
- Remove Duplicates Sorted Array
- Equilibrium index of an array
- Delete in a Singly Linked List
- Level order traversal
- Inorder Successor in BST
- Index of an Extra Element
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Counting Sort
- Reverse Using Stack
- Delete Alternate Nodes
- Find length of Loop
- Queue Reversal
- Reverse first K of a Queue
- Sum of Left Leaf Nodes
- Delete Mid of a Stack
- Stack Operations
- First Set Bit
- Check K-th Bit
- Longest Consecutive 1's
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Anagram
- Reverse Words
- Non Repeating Character
- Parenthesis Checker
- First Repeating Element
- Union of Arrays with Duplicates
- Missing in Array
- Product array puzzle
- Intersection of Arrays with Distinct
- Missing And Repeating
- Non-Repeating Element
- Move All Zeroes to End
- String Duplicates Removal
- Move all negative elements to end
- Punish the Students
- Left most and right most index
- Smallest subarray with sum greater than x
- Alternate Positive Negative
- Remove Consecutive Characters
- Remove Duplicates
- Two Sum - Pair with Given Sum
- Number of occurrence
- Segregate 0s and 1s
- Element with left side smaller and right side greater
- Count the Zeros
- Palindrome String
- Number of 1 Bits
- Find the Highest number
- Reverse Bits
- Max Sum Subarray of size K
- Sum of two numbers without using arithmetic operators
- Search insert position of K in a sorted array
- Geekina loves order
- Special Array
- Wave Array
- Print Linked List
- Count Linked List Nodes
- Implement stack using array
- Queue Using Array
- Replace all 0's with 5
- First Occurence
- Search a node in BST
- Linked List Insertion At End
- Minimum element in BST
- Is Linked List Length Even?
- Sum of Binary Tree
- Insert in Middle of Linked List
- Array Search
- Reverse a String
- First n Fibonacci
- Find second largest element
- Searching in an Array
- Change the string
- Value equal to index value
- Immediate Smaller Element
- Largest Element in Array
- One odd Occuring
- Array Subset
- Min and Max in Array
- Multiply left and right array sum
- Find position of set bit
- Set kth bit
- Factorial
- Java 1-d and 2-d Array
- Print 1 to n without using loops
- Naughty Geek
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