hackerrank-interview-preparation-kit

Solutions for hackerrank interview preparation kit in java 17. Problems that are common are marked with '*'

Arrays

1. 2D Array -DS
   • Problem Statement
   • Solution
2. New Year Chaos
   • Problem Statement
   • Solution
3. Minimum Swaps 2
   • Problem Statement
   • Solution

Dictionaries and Hashmaps

1. Ransom Note
   • Problem Statement
   • Solution
2. Two Strings
   • Problem Statement
   • Solution
3. Sherlock And Anagrams
   • Problem Statement
   • Solution
4. Count Triplets
   • Problem Statement
   • Solution
5. Frequency Queries
   • Problem Statement
   • Solution

Sorting

1. Bubble Sort
   • Problem Statement
   • Solution
2. Comparator
   • Problem Statement
   • Solution
3. Mark and Toys
   • Problem Statement
   • Solution

String Manipulation

1. Anagrams
   • Problem Statement
   • Solution
2. Alternating Characters
   • Problem Statement
   • Solution
3. Sherlock and the Valid String
   • Problem Statement
   • Solution
4. Special Strings Again
   • Problem Statement
   • Solution
5. Common Child*
   • Problem Statement
   • Solution

Greedy Algorithms

1. Minimum Absolute Difference
   • Problem Statement
   • Solution
2. Luck Balance
   • Solution
3. Greedy Florist
   • Problem Statement
   • Solution
4. Max Min
   • Problem Statement
   • Solution

Search

1. Ice cream Parlor
   • Problem Statement
   • Solution
2. Swap Nodes [Algo]*
   • Problem Statement
   • Solution
3. Pairs
   • Problem Statement
   • Solution
4. TripleSum*
   • Problem Statement
   • Solution
5. Minimum Time Required*
   • Problem Statement
   • Solution

Dynamic Programming

1. Maximum Array Sum
   • Problem Statement
   • Solution
2. Candies
   • Problem Statement
   • Solution
3. Abbreviation*
   • Problem Statement
   • Solution