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Indian Institute of Technology Bhubaneswar
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BASIC (20)
EASY (46)
MEDIUM (104)
HARD (14)
Rearrange characters
SP - Two digits of Fibonacci
Count BST nodes that lie in a given range
Delete without head pointer
Diameter of a Binary Tree
Add all greater values to every node in a BST
Sum Tree
Connect Nodes of Levels
Directed Graph Cycle
Absolute List Sorting
The Celebrity Problem
Vertical Tree Traversal
Find the number of islands
Serialize and deserialize a binary tree
Gas Station
Check if subtree
Kth smallest element in a Matrix
Clone a Binary Tree
Remove loop in Linked List
Interleaved Strings
Implement Atoi
Closest in BST
Delete keys in a Linked list
Count distinct elements in every window
Merge k Sorted Arrays
Sort a stack
Occurences of 2 as a digit
Maximum path sum from any node
ZigZag Tree Traversal
Count Number of SubTrees having given Sum
Smallest Positive Missing
Wave Array
Possible Words From Phone Digits
Majority Element
Indexes of Subarray Sum
Boolean Matrix
Unit Area of largest region of 1's
Longest Consecutive Subsequence
Strings Rotations of Each Other
Next Greater Element
Kth smallest element
Largest number in K swaps
Sort according to an Array
Allocate Minimum Pages
X Total Shapes
Zero Sum Subarrays
Implement Trie
Rotten Oranges
Steps by Knight
Print Anagrams Together
4 Sum - All Quadruples
Excel Sheet | Part - 1
Sort 0s, 1s and 2s
Maximum Index
Top k numbers in a stream
Consecutive 1's not allowed
Mr Modulo and Pairs
Search in Rotated Sorted Array
Sum of bit differences
Find Marks from Ranks
Print Binary Tree levels in sorted order
Maximum Intervals Overlap
Max absolute difference
Max Score from Subarray Mins
Form the Largest Number
Super Primes
Row with max 1s
Swapping pairs make sum equal
Design a tiny URL or URL shortener
Sick Pasha
Length of the longest substring
The Tiny Miny
Longest Common Substring
Smallest distinct window
Longest Palindrome in a String
Minimum steps to get desired array
Integer to Words
String formation from substring
Longest Arithmetic Subsequence
Greater tower sum
Smallest Subarray GCD
Palindrome in Alphanumeric String
Nine Divisors
Number following a pattern
Subarrays Product Less than K
Max Sum Increasing Subsequence
Coin Change (Count Ways)
Santa Banta
Lucky alive person in a circle
Array Pair Sum Divisibility Problem
N Digit numbers with digits in increasing order
Knight Walk
Choose and Swap
Return two prime numbers
Jumping Numbers
Fraction to Repeating Decimal
Numbers with alternative 1's
Decode the string
Is Sudoku Valid
Total Decoding Messages
Stream First Non-repeating
Snake and Ladder Problem
Check Mirror in N-ary tree
Traverse All Edges And Vertices
SP - The Last Battle
Check for BST
K distance from root
Mirror Tree
Nodes without a Sibling
Lowest Common Ancestor in a BST
BST Keys in a Range
Median of BST
Java ArrayList Operation
First Set Bit
Rightmost different bit
Check K-th Bit
Equilibrium Point
Print adjacency list
Reverse Words
Sum of numbers in string
Minimum indexed character
Parenthesis Checker
Count ways to N'th Stair
Check Equal Arrays
Numbers containing 1, 2 and 3
Missing And Repeating
Smallest subarray with sum greater than x
Remaining String
Two Sum - Pair with Given Sum
Check if array contains contiguous integers
Number of occurrence
Modify the Array
String's Count
Maximum number of zeroes
Element with left side smaller and right side greater
Shop in Candy Store
Is Binary Number Multiple of 3
Minimum Operations
Pairs with Positive Negative values
Generate all palindromic numbers less than n
Number Of Open Doors
Perfect Numbers
Maximum height of the staircase
Page Faults in LRU
Trailing zeroes in factorial
Prime number of set bits
Largest zigzag sequence
Print Pattern
K-Ary Tree
Print Diagonally
Postorder Traversal
Palindromic Array
Circular Linked List Traversal
Is Linked List Length Even?
Pairwise Consecutive Elements
Uncommon characters
Repeated Character
Reverse a string with spaces intact
URLify a given string
Rotate Array by One
Split Strings
Array Subset
Remove Duplicates from unsorted array
Check an Integer is power of 3 or not
Binary Shift to Divide
Binary number to decimal number
Java Basic Data Types
Prime Palindrome Sum
The Spider Steps
Java Iterator
Reorder List
LRU Cache
Alien Dictionary
Trapping Rain Water
Smallest window containing all characters
Max of min for every window size
Solve the Sudoku
Minimum Cost Path
Longest Prefix Suffix
Circle of strings
Similar expressions
Bit Difference
Longest valid Parentheses
Closest Palindrome
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