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1D Array (part 2)
1D Array (part 2)
 
 
3D Surface Area
3D Surface Area
 
 
A Tale of Two Stacks
A Tale of Two Stacks
 
 
ACM ICPC Team
ACM ICPC Team
 
 
Abbreviation
Abbreviation
 
 
Absolute Permutations
Absolute Permutations
 
 
Almost Sorted
Almost Sorted
 
 
Alternating Characters
Alternating Characters
 
 
Anagram
Anagram
 
 
Angry Professor
Angry Professor
 
 
Append and Delete
Append and Delete
 
 
Apple and Orange
Apple and Orange
 
 
Array Manipulation
Array Manipulation
 
 
Balanced Brackets
Balanced Brackets
 
 
Beautiful Binary String
Beautiful Binary String
 
 
Beautiful Days at the Movies
Beautiful Days at the Movies
 
 
Beautiful Pairs
Beautiful Pairs
 
 
Beautiful Triplets
Beautiful Triplets
 
 
Between Two Sets
Between Two Sets
 
 
Big Sorting
Big Sorting
 
 
Bigger is Greater
Bigger is Greater
 
 
Bill Division
Bill Division
 
 
Birthday Cake Candles
Birthday Cake Candles
 
 
Breaking the Record
Breaking the Record
 
 
Caesar Cipher
Caesar Cipher
 
 
Camel Case
Camel Case
 
 
Candies
Candies
 
 
Cats and a Mouse
Cats and a Mouse
 
 
Cavity Map
Cavity Map
 
 
Chocolate Feat
Chocolate Feat
 
 
Circular Array Rotation
Circular Array Rotation
 
 
Classic 0-1 Knapsack
Classic 0-1 Knapsack
 
 
Climbing the Leaderboard
Climbing the Leaderboard
 
 
Closest Numbers
Closest Numbers
 
 
Common Child
Common Child
 
 
Compare the Triplets
Compare the Triplets
 
 
Count Luck
Count Luck
 
 
Count Triplets
Count Triplets
 
 
Counting Sort 1
Counting Sort 1
 
 
Counting Sort II
Counting Sort II
 
 
Counting Valleys
Counting Valleys
 
 
Cut the Sticks
Cut the Sticks
 
 
Day of the Programmer
Day of the Programmer
 
 
Design PDF Viewer
Design PDF Viewer
 
 
Diagonal Difference
Diagonal Difference
 
 
Divisible Sum Pairs
Divisible Sum Pairs
 
 
Down to Zero II
Down to Zero II
 
 
Drawing Book
Drawing Book
 
 
Duplicate Words
Duplicate Words
 
 
Electronic Shop
Electronic Shop
 
 
Encryption
Encryption
 
 
Equal Stacks
Equal Stacks
 
 
Equalize the Array
Equalize the Array
 
 
Extra Long Factorial
Extra Long Factorial
 
 
Fair Rations
Fair Rations
 
 
Fibonacci Numbers
Fibonacci Numbers
 
 
Find Digits
Find Digits
 
 
Find the Median
Find the Median
 
 
Find the Nearest Clone
Find the Nearest Clone
 
 
Flatland Space Stations
Flatland Space Stations
 
 
Flipping Bits
Flipping Bits
 
 
Forming a Magic Square
Forming a Magic Square
 
 
Frequency Queries
Frequency Queries
 
 
Friend Circle Queries
Friend Circle Queries
 
 
Funny String
Funny String
 
 
Game of Thrones-I
Game of Thrones-I
 
 
Gemstones
Gemstones
 
 
Grading Students
Grading Students
 
 
Greedy Florist
Greedy Florist
 
 
Grid Challenge
Grid Challenge
 
 
HackerRank in a String
HackerRank in a String
 
 
Hackerland Radio Transmitters
Hackerland Radio Transmitters
 
 
Halloween Sale
Halloween Sale
 
 
Height of a Binary Tree
Height of a Binary Tree
 
 
Hoffman Decoding
Hoffman Decoding
 
 
Ice Cream Parlor
Ice Cream Parlor
 
 
Insertion Sort-Part 1
Insertion Sort-Part 1
 
 
Insertion Sort-Part 2
Insertion Sort-Part 2
 
 
Is This a Binary Search Tree
Is This a Binary Search Tree
 
 
Java String Reverse
Java String Reverse
 
 
Jim and the Orders
Jim and the Orders
 
 
Jumping on the Clouds Revisited
Jumping on the Clouds Revisited
 
 
Jumping on the Clouds
Jumping on the Clouds
 
 
Largest Permutation
Largest Permutation
 
 
Largest Rectangle
Largest Rectangle
 
 
Larry's Array
Larry's Array
 
 
Left Rotation
Left Rotation
 
 
Library Fine
Library Fine
 
 
Lisa's Workbook
Lisa's Workbook
 
 
Lonely Integer
Lonely Integer
 
 
Lowest Common Ancestor
Lowest Common Ancestor
 
 
Luck Balance
Luck Balance
 
 
Making Anagrams
Making Anagrams
 
 
Making Candies
Making Candies
 
 
Manasa and Stones
Manasa and Stones
 
 
Marc's Cakewalk
Marc's Cakewalk
 
 
Mark and Toys
Mark and Toys
 
 
Mars Exploration
Mars Exploration
 
 
Max Array Sum
Max Array Sum
 
 
Max Min
Max Min
 
 

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HackerRank

My solution to nearly 170 (and growing) Hacker Rank Java challenges and interview preparation questions. Use Java 15+ to compile.

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My solution to Hacker Rank Java Challenges and Interview Preparation Questions.

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