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This repository is mostly Java & PHP solutions of HackerRank Algorithms & Data Structures' Questions. However, there are some C# solutions.

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# HackerRank Solutions

This repository is mostly Java & PHP solutions of HackerRank Algorithms & Data Structures' Questions. However, there are some C# & Python solutions.
It is one of the biggest public repository for Algorithms & Data Structures.

Profile: [Hakan_SONMEZ](https://www.hackerrank.com/Hakan_SONMEZ) 
205/563 challenges solved 
Rank: 4781 
Points: 5077.7

Notes: 
All easy Algorithm challenges && Problem Solving (Basic) challenges solved. 
Data Structures has 2 easy challenge to be completed. 
Algorithm Sorting has 2 challenges to be completed. 
There are 3 challenges to try again.

Last Update 20.06.2024

- ## Problem Solving
    - Algorithms
        - Warmup 
            - [Problem](https://www.hackerrank.com/challenges/solve-me-first/problem) Solve Me First [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Warmup/solve-me-first.cs)
            - [Problem](https://www.hackerrank.com/challenges/simple-array-sum/problem) Simple Array Sum [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Warmup/simple-array-sum.cs)
            - [Problem](https://www.hackerrank.com/challenges/compare-the-triplet/problem) Compare the Triplet [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Warmup/compare-the-triplet.cs)
            - [Problem](https://www.hackerrank.com/challenges/a-very-big-sum/problem) A Very Big Sum [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Warmup/a-very-big-sum.cs)
            - [Problem](https://www.hackerrank.com/challenges/diagonal-difference/problem) Diagonal Difference [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Warmup/diagonal-difference.php)
            - [Problem](https://www.hackerrank.com/challenges/plus-minus/problem) Plus Minus [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Warmup/plus-minus.php)
            - [Problem](https://www.hackerrank.com/challenges/staircase/problem) staircase [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Warmup/staircase.cs)
            - [Problem](https://www.hackerrank.com/challenges/mini-max-sum/problem) Mini-Max Sum [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Warmup/mini-max-sum.php)
            - [Problem](https://www.hackerrank.com/challenges/birthday-cake-candles/problem) Birthday Cake Candles [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Warmup/birthday-cake-candles.php)
            - [Problem](https://www.hackerrank.com/challenges/time-conversion/problem) Time Conversion [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Warmup/time-conversion.php)
        - Implementation
            - [Problem](https://www.hackerrank.com/challenges/grading/problem) Grading [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/grading.php)
            - [Problem](https://www.hackerrank.com/challenges/apple-and-orange/problem) Apple and Orange [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/apple-and-orange.php)
            - [Problem](https://www.hackerrank.com/challenges/kangaroo/problem) Kangaroo [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/kangaroo.php)
            - [Problem](https://www.hackerrank.com/challenges/between-two-sets/problem) Between Two Sets [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/between-two-sets.php)
            - [Problem](https://www.hackerrank.com/challenges/breaking-best-and-worst-records/problem) Breaking Best and Worst Records [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/breaking-best-and-worst-records.php)
            - [Problem](https://www.hackerrank.com/challenges/the-birthday-bar/problem) Subarray Division [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/the-birthday-bar.php)
            - [Problem](https://www.hackerrank.com/challenges/divisible-sum-pairs/problem) Divisible Sum Pairs [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/divisible-sum-pairs.cs)
            - [Problem](https://www.hackerrank.com/challenges/migratory-birds/problem) Migratory Birds [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/migratory-birds.php)
            - [Problem](https://www.hackerrank.com/challenges/day-of-the-programmer/problem) Day of the Programmer [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/day-of-the-programmer.php)
            - [Problem](https://www.hackerrank.com/challenges/bon-appetit/problem) Bill Division [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/bon-appetit.cs)
            - [Problem](https://www.hackerrank.com/challenges/sock-merchant/problem) Sales by Match [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/sock-merchant.cs)
            - [Problem](https://www.hackerrank.com/challenges/drawing-book/problem) Drawing Book [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/drawing-book.php)
            - [Problem](https://www.hackerrank.com/challenges/counting-valleys/problem) Counting Valleys [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/counting-valleys.php)
            - [Problem](https://www.hackerrank.com/challenges/electronics-shop/problem) Electronics Shop [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/electronics-shop.php)
            - [Problem](https://www.hackerrank.com/challenges/cats-and-a-mouse/problem) Cats and a Mouse [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/cats-and-a-mouse.php)
            - [Problem](https://www.hackerrank.com/challenges/magic-square-forming/problem) Forming Magic Square [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/magic-square-forming.php)
            - [Problem](https://www.hackerrank.com/challenges/picking-numbers/problem) Picking Numbers [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/picking-numbers.php)
            - [Problem](https://www.hackerrank.com/challenges/climbing-the-leaderboard/problem) Climbing the Leaderboard [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/climbing-the-leaderboard.php)
            - [Problem](https://www.hackerrank.com/challenges/the-hurdle-race/problem) The Hurdle Race [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/the-hurdle-race.php)
            - [Problem](https://www.hackerrank.com/challenges/designer-pdf-viewer/problem) Designer PDF Viewer [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/designer-pdf-viewer.cs)
            - [Problem](https://www.hackerrank.com/challenges/utopian-tree/problem) Utopian Tree [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/utopian-tree.cs)
            - [Problem](https://www.hackerrank.com/challenges/angry-professor/problem) Angry Professor [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/angry-professor.cs)
            - [Problem](https://www.hackerrank.com/challenges/beautiful-days-at-the-movies/problem) Beautiful Days at the Movies [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/beautiful-days-at-the-movies.cs)
            - [Problem](https://www.hackerrank.com/challenges/strange-advertising/problem) Viral Advertising [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/strange-advertising.cs)
            - [Problem](https://www.hackerrank.com/challenges/save-the-prisoner/problem) Save the Prisoner! [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/save-the-prisoner.cs)
            - [Problem](https://www.hackerrank.com/challenges/circular-array-rotation/problem) Circular Array Rotation [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/circular-array-rotation.cs)
            - [Problem](https://www.hackerrank.com/challenges/permutation-equation/problem) Sequence Equation [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/permutation-equation.cs)
            - [Problem](https://www.hackerrank.com/challenges/jumping-on-the-clouds-revisited/problem) Jumping on the Clouds: Revisited [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/jumping-on-the-clouds-revisited.cs)
            - [Problem](https://www.hackerrank.com/challenges/find-digits/problem) Find Digits [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/find-digits.cs)
            - [Problem](https://www.hackerrank.com/challenges/extra-long-factorials/problem) Extra Long Factorials [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/extra-long-factorials.cs)
            - [Problem](https://www.hackerrank.com/challenges/append-and-delete/problem) Append and Delete [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/append-and-delete.cs)
            - [Problem](https://www.hackerrank.com/challenges/sherlock-and-squares/problem) Sherlock and Squares [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/sherlock-and-squares.cs)
            - [Problem](https://www.hackerrank.com/challenges/library-fine/problem) Library Fine [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/library-fine.cs)
            - [Problem](https://www.hackerrank.com/challenges/cut-the-sticks/problem) Cut the sticks [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/cut-the-sticks.cs)
            - [Problem](https://www.hackerrank.com/challenges/lnon-divisible-subset/problem) Non-Divisible Subset [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/non-divisible-subset.cs)
            - [Problem](https://www.hackerrank.com/challenges/repeated-string/problem) Repeated String [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/repeated-string.cs)
            - [Problem](https://www.hackerrank.com/challenges/jumping-on-the-clouds/problem) Jumping on the Clouds [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/jumping-on-the-clouds.cs)
            - [Problem](https://www.hackerrank.com/challenges/equality-in-a-array/problem) Equalize the Array [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/equality-in-a-array.cs)
            - [Problem](https://www.hackerrank.com/challenges/queens-attack-2/problem) Queen's Attack II [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/queens-attack-2.java)
            - [Problem](https://www.hackerrank.com/challenges/acm-icpc-team/problem) ACM ICPC Team [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/acm-icpc-team.cs)
            - [Problem](https://www.hackerrank.com/challenges/taum-and-bday/problem) Taum and B'day [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/taum-and-bday.cs)
            - [Problem](https://www.hackerrank.com/challenges/organizing-containers-of-balls/problem) Organizing Containers of Balls [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/organizing-containers-of-balls.php)
            - [Problem](https://www.hackerrank.com/challenges/encryption/problem) Encryption [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/encryption.cs)
            - [Problem](https://www.hackerrank.com/challenges/bigger-is-greater/problem) Bigger is Greater [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/bigger-is-greater.cs)
            - [Problem](https://www.hackerrank.com/challenges/kaprekar-numbers/problem) Modified Kaprekar Numbers [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/kaprekar-numbers.cs)
            - [Problem](https://www.hackerrank.com/challenges/beautiful-triplets/problem) Beautiful Triplets [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/beautiful-triplets.cs)
            - [Problem](https://www.hackerrank.com/challenges/minimum-distances/problem) Minimum Distances [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/minimum-distances.cs)
            - [Problem](https://www.hackerrank.com/challenges/halloween-sale/problem) Halloween Sale [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/halloween-sale.cs)
            - [Problem](https://www.hackerrank.com/challenges/the-time-in-words/problem) The Time in Words [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/the-time-in-words.cs)
            - [Problem](https://www.hackerrank.com/challenges/chocolate-feast/problem) Chocolate Feast [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/chocolate-feast.cs)
            - [Problem](https://www.hackerrank.com/challenges/service-lane/problem) Service Lane [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/service-lane.cs)
            - [Problem](https://www.hackerrank.com/challenges/lisa-workbook/problem) Lisa's Workbook [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/lisa-workbook.cs)
            - [Problem](https://www.hackerrank.com/challenges/flatland-space-stations/problem) Flatland Space Stations [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/flatland-space-stations.cs)
            - [Problem](https://www.hackerrank.com/challenges/fair-rations/problem) Fair Rations [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/fair-rations.cs)
            - [Problem](https://www.hackerrank.com/challenges/cavity-map/problem) Cavity Map [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/cavity-map.cs)
            - [Problem](https://www.hackerrank.com/challenges/manasa-and-stones/problem) Manasa and Stones [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/manasa-and-stones.cs)
            - [Problem](https://www.hackerrank.com/challenges/the-grid-search/problem) The Grid Search [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/the-grid-search.cs)
            - [Problem](https://www.hackerrank.com/challenges/happy-ladybugs/problem) Happy Ladybugs [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/happy-ladybugs.cs)
            - [Problem](https://www.hackerrank.com/challenges/strange-code/problem) Strange Counter [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/strange-code.cs)
            - [Problem](https://www.hackerrank.com/challenges/3d-surface-area/problem) 3D Surface Area [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/3d-surface-area.cs)
            - [Problem](https://www.hackerrank.com/challenges/absolute-permutation/problem) Absolute Permutation [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/absolute-permutation.cs)
            - [Problem](https://www.hackerrank.com/challenges/bomber-man/problem) The Bomberman Game [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/bomber-man.cs)
            - [Problem](https://www.hackerrank.com/challenges/two-pluses/problem) Ema's Supercomputer [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/two-pluses.java)
            - [Problem](https://www.hackerrank.com/challenges/larrys-array/problem) Larry's Array [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/larrys-array.php)
            - [Problem](https://www.hackerrank.com/challenges/almost-sorted/problem) Almost Sorted [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/almost-sorted.cs)
            - [Problem](https://www.hackerrank.com/challenges/matrix-rotation-algo/problem) Matrix Layer Rotation [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Implementation/matrix-rotation-algo.cs)
        - Strings
            - [Problem](https://www.hackerrank.com/challenges/reduced-string/problem) Super Reduced String [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/reduced-string.php)
            - [Problem](https://www.hackerrank.com/challenges/camelcase/problem) CamelCase [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/camelcase.php)
            - [Problem](https://www.hackerrank.com/challenges/strong-password/problem) Strong Password [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/strong-password.php)
            - [Problem](https://www.hackerrank.com/challenges/two-characters/problem) Two Characters [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/two-characters.php)
            - [Problem](https://www.hackerrank.com/challenges/caesar-cipher-1/problem) Caesar Cipher 1 [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/caesar-cipher-1.php)
            - [Problem](https://www.hackerrank.com/challenges/mars-exploration/problem) Mars Exploration [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/mars-exploration.php)
            - [Problem](https://www.hackerrank.com/challenges/hackerrank-in-a-string/problem) Hackerrank in a String [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/hackerrank-in-a-string.php)
            - [Problem](https://www.hackerrank.com/challenges/pangrams/problem) Pangrams [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/pangrams.php)
            - [Problem](https://www.hackerrank.com/challenges/weighted-uniform-string/problem) Weighted Uniform String [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/weighted-uniform-string.php)
            - [Problem](https://www.hackerrank.com/challenges/separate-the-numbers/problem) Separate the Numbers [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/separate-the-numbers.php)
            - [Problem](https://www.hackerrank.com/challenges/funny-string/problem) Funny String [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/funny-string.php)
            - [Problem](https://www.hackerrank.com/challenges/gem-stones/problem) Gem Stones [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/gem-stones.php)
            - [Problem](https://www.hackerrank.com/challenges/alternating-characters/problem) Alternating Characters [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/alternating-characters.php)
            - [Problem](https://www.hackerrank.com/challenges/beautiful-binary-string/problem) Beautiful Binary String [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/beautiful-binary-string.php)
            - [Problem](https://www.hackerrank.com/challenges/the-love-letter-mystery/problem) The Love Letter Mystery [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/the-love-letter-mystery.php)
            - [Problem](https://www.hackerrank.com/challenges/palindrome-index/problem) Palindrome Index [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/palindrome-index.php)
            - [Problem](https://www.hackerrank.com/challenges/anagram/problem) Anagram [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/anagram.php)
            - [Problem](https://www.hackerrank.com/challenges/making-anagrams/problem) Making Anagrams [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/making-anagrams.php)
            - [Problem](https://www.hackerrank.com/challenges/game-of-thrones/problem) Game of Thrones 1 [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/game-of-thrones.php)
            - [Problem](https://www.hackerrank.com/challenges/two-strings/problem) Two Strings [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/two-strings.php)
            - [Problem](https://www.hackerrank.com/challenges/string-construction/problem) String Construction [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/string-construction.php)
            - [Problem](https://www.hackerrank.com/challenges/sherlock-and-valid-string/problem) Sherlock and the Valid String [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/sherlock-and-valid-string.java)
            - [Problem](https://www.hackerrank.com/challenges/richie-rich/problem) Highest Value Palindrome [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/richie-rich.java)
            - [Problem](https://www.hackerrank.com/challenges/sherlock-and-anagrams/problem) Sherlock and Anagrams [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/sherlock-and-anagrams.php)
            - [Problem](https://www.hackerrank.com/challenges/bear-and-steady-gene/problem) Bear and Steady Gene [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/bear-and-steady-gene.java)
            - [Problem](https://www.hackerrank.com/challenges/morgan-and-a-string/problem) Morgan and a String [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Strings/morgan-and-a-string.java)
        - Sorting
            - [Problem](https://www.hackerrank.com/challenges/big-sorting/problem) Big Sorting [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/big-sorting.php)
            - [Problem](https://www.hackerrank.com/challenges/tutorial-intro/problem) Tutorial Intro [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/tutorial-intro.php)
            - [Problem](https://www.hackerrank.com/challenges/insertionsort1/problem) Insertion Sort 1 [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/insertionsort1.php)
            - [Problem](https://www.hackerrank.com/challenges/insertionsort2/problem) Insertion Sort 2 [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/insertionsort2.php)
            - [Problem](https://www.hackerrank.com/challenges/correctness-invariant/problem) Correctness and the Loop Invariant [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/correctness-invariant.php)
            - [Problem](https://www.hackerrank.com/challenges/runningtime/problem) Running Time of Algorithms [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/runningtime.php)
            - [Problem](https://www.hackerrank.com/challenges/quicksort1/problem) Quicksort 1 - Partition [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/quicksort1.php)
            - [Problem](https://www.hackerrank.com/challenges/countingsort1/problem) Counting Sort 1 [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/countingsort1.php)
            - [Problem](https://www.hackerrank.com/challenges/countingsort2/problem) Counting Sort 2 [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/countingsort2.php)
            - [Problem](https://www.hackerrank.com/challenges/closest-numbers/problem) Closest Numbers [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/closest-numbers.php)
            - [Problem](https://www.hackerrank.com/challenges/find-the-median/problem) Find the Median [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/find-the-median.php)
            - [Problem](https://www.hackerrank.com/challenges/countingsort4/problem) Counting Sort 4 [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/countingsort4.php)
            - [Problem](https://www.hackerrank.com/challenges/fraudulent-activity-notifications/problem) Lily's Homework [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/fraudulent-activity-notifications.py)
            - [Problem](https://www.hackerrank.com/challenges/lilys-homework/problem) Lily's Homework [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Sorting/lilys-homework.php)
        - Search
            - [Problem](https://www.hackerrank.com/challenges/hackerland-radio-transmitters/problem) Hackerland Radio Transmitters [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Search/hackerland-radio-transmitters.php)
            - [Problem](https://www.hackerrank.com/challenges/icecream-parlor/problem) Ice Cream Parlor [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Search/icecream-parlor.php)
            - [Problem](https://www.hackerrank.com/challenges/missing-numbers/problem) Missing Numbers [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Search/missing-numbers.php)
            - [Problem](https://www.hackerrank.com/challenges/sherlock-and-array/problem) Sherlock And Array [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Search/sherlock-and-array.php)
            - [Problem](https://www.hackerrank.com/challenges/pairs/problem) Pairs [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Search/pairs.php)
            - [Problem](https://www.hackerrank.com/challenges/connected-cell-in-a-grid/problem) Connected Cells in a Grid [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Search/connected-cell-in-a-grid.php)
            - [Problem](https://www.hackerrank.com/challenges/red-knights-shortest-path/problem) Red Knight's Shortest Path [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Search/red-knights-shortest-path.java)
        - Greedy
            - [Problem](https://www.hackerrank.com/challenges/minimum-absolute-difference-in-an-array/problem) Minimum Absolute Difference in an Array [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/minimum-absolute-difference-in-an-array.php)
            - [Problem](https://www.hackerrank.com/challenges/marcs-cakewalk/problem) Marc's Cakewalk [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/marcs-cakewalk.php)
            - [Problem](https://www.hackerrank.com/challenges/grid-challenge/problem) Grid Challenge [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/grid-challenge.php)
            - [Problem](https://www.hackerrank.com/challenges/luck-balance/problem) Luck Balance [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/luck-balance.php)
            - [Problem](https://www.hackerrank.com/challenges/maximum-perimeter-triangle/problem) Maximum Perimeter Triangle [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/maximum-perimeter-triangle.php)
            - [Problem](https://www.hackerrank.com/challenges/candies/problem) Candies[Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/candies.php)
            - [Problem](https://www.hackerrank.com/challenges/sherlock-and-the-beast/problem) Sherlock and The Beast [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/sherlock-and-the-beast.php)
            - [Problem](https://www.hackerrank.com/challenges/beautiful-pairs/problem) Beautiful Pairs [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/beautiful-pairs.php)
            - [Problem](https://www.hackerrank.com/challenges/priyanka-and-toys/problem) Priyanka and Toys [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/priyanka-and-toys.php)
            - [Problem](https://www.hackerrank.com/challenges/largest-permutation/problem) Largest Permutation [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/largest-permutation.php)
            - [Problem](https://www.hackerrank.com/challenges/mark-and-toys/problem) Mark and Toys [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/mark-and-toys.php)
            - [Problem](https://www.hackerrank.com/challenges/greedy-florist/problem) Greedy Florist [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/greedy-florist.java)
            - [Problem](https://www.hackerrank.com/challenges/angry-children/problem) Max min [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/angry-children.java)
            - [Problem](https://www.hackerrank.com/challenges/jim-and-the-orders/problem) Jim and the Orders [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/jim-and-the-orders.php)
            - [Problem](https://www.hackerrank.com/challenges/two-arrays/problem) Permuting Two Arrays [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/two-arrays.php)
            - [Problem](https://www.hackerrank.com/challenges/pylons/problem) Goodland Electricity [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Greedy/pylons.java)
        - Dynamic Programming
            - [Problem](https://www.hackerrank.com/challenges/coin-change/problem) The Coin Change Problem [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Dynamic%20Programming/coin-change.py)
            - [Problem](https://www.hackerrank.com/challenges/fibonacci-modified/problem) Fibonacci Modified [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Dynamic%20Programming/fibonacci-modified.java)
            - [Problem](https://www.hackerrank.com/challenges/maxsubarray/problem) The Maximum Subarray [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Dynamic%20Programming/maxsubarray.py)
            - [Problem](https://www.hackerrank.com/challenges/stockmax/problem) Stock Maximize [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Dynamic%20Programming/stockmax.py)
        - Constructive Algorithms
            - [Problem](https://www.hackerrank.com/challenges/flipping-the-matrix/problem) Flipping the Matrix [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Constructive%20Algorithms/flipping-the-matrix.php)
            - [Problem](https://www.hackerrank.com/challenges/an-interesting-game-1/problem) Gaming Array [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Constructive%20Algorithms/an-interesting-game-1.java)
            - [Problem](https://www.hackerrank.com/challenges/new-year-chaos/problem) New Year Chaos [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Constructive%20Algorithms/new-year-chaos.php)
        - Bit Manipulation
            - [Problem](https://www.hackerrank.com/challenges/lonely-integer/problem) Lonely Integer [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Bit%20Manipulation/lonely-integer.php)
            - [Problem](https://www.hackerrank.com/challenges/maximizing-xor/problem) Maximizing XOR [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Bit%20Manipulation/maximizing-xor.php)
            - [Problem](https://www.hackerrank.com/challenges/counter-game/problem) Counter game [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Bit%20Manipulation/counter-game.java)
            - [Problem](https://www.hackerrank.com/challenges/sum-vs-xor/problem) Sum vs XOR [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Bit%20Manipulation/sum-vs-xor.php)
            - [Problem](https://www.hackerrank.com/challenges/the-great-xor/problem) The Great XOR [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Bit%20Manipulation/the-great-xor.java)
            - [Problem](https://www.hackerrank.com/challenges/flipping-bits/problem) Flipping bits [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Bit%20Manipulation/flipping-bits.php)
            - [Problem](https://www.hackerrank.com/challenges/sansa-and-xor/problem) Sansa and XOR [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Bit%20Manipulation/sansa-and-xor.java)
            - [Problem](https://www.hackerrank.com/challenges/and-product/problem) AND Product [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Bit%20Manipulation/and-product.java)
        - Recursion
            - [Problem](https://www.hackerrank.com/challenges/the-power-sum/problem) The Power Sum [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Recursion/the-power-sum.java)
            - [Problem](https://www.hackerrank.com/challenges/recursive-digit-sum/problem) Recursive Digit Sum [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Recursion/recursive-digit-sum.php)
        - Game Theory
            - [Problem](https://www.hackerrank.com/challenges/game-of-stones-1/problem) Game of Stones [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Game%20Theory/game-of-stones-1.php)
            - [Problem](https://www.hackerrank.com/challenges/tower-breakers-1/problem) Tower Breakers [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Game%20Theory/tower-breakers-1.php)
            - [Problem](https://www.hackerrank.com/challenges/a-chessboard-game-1/problem) A Chessboard Game [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Game%20Theory/a-chessboard-game-1.cs)
            - [Problem](https://www.hackerrank.com/challenges/nim-game-1/problem) Introduction to Nim Game [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Game%20Theory/nim-game-1.php)
            - [Problem](https://www.hackerrank.com/challenges/misere-nim-1/problem) Misère Nim [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Game%20Theory/misere-nim-1.php)
            - [Problem](https://www.hackerrank.com/challenges/nimble-game-1/problem) Nimble Game [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Game%20Theory/nimble-game-1.php)
            - [Problem](https://www.hackerrank.com/challenges/poker-nim-1/problem) Poker Nim [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Game%20Theory/poker-nim-1.php)
        - Debugging
            - [Problem](https://www.hackerrank.com/challenges/strings-xor/problem) XOR Strings [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Debugging/strings-xor.java)
            - [Problem](https://www.hackerrank.com/challenges/zig-zag-sequence/problem) Zig Zag Sequence [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Debugging/zig-zag-sequence.java)
            - [Problem](https://www.hackerrank.com/challenges/smart-number/problem) Smart Number [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Debugging/smart-number.cpp)
            - [Problem](https://www.hackerrank.com/challenges/prime-date/problem) Prime Date [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Debugging/prime-date.java)
            - [Problem](https://www.hackerrank.com/challenges/minimum-operations/problem) Minimum Operations [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Algorithms/Debugging/minimum-operations.java)
    - Data Structures
        - Arrays
            - [Problem](https://www.hackerrank.com/challenges/arrays-ds/problem) Arrays - DS [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Arrays/array-ds.php)
            - [Problem](https://www.hackerrank.com/challenges/2d-array/problem) 2D Array - DS [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Arrays/2d-array-ds.php)
            - [Problem](https://www.hackerrank.com/challenges/dynamic-array/problem) Dynamic Array [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Arrays/dynamic-array.php)
            - [Problem](https://www.hackerrank.com/challenges/array-left-rotation/problem) Left Rotation [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Arrays/array-left-rotation.php)
            - [Problem](https://www.hackerrank.com/challenges/sparse-arrays/problem) Sparse Arrays [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Arrays/sparse-arrays.php)
            - [Problem](https://www.hackerrank.com/challenges/crush/problem) Array Manipulation [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Arrays/crush.php)
        - Linked Lists
            - [Problem](https://www.hackerrank.com/challenges/print-the-elements-of-a-linked-list/problem) Print the Elements of a Linked List [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/print-the-elements-of-a-linked-list.cs)
            - [Problem](https://www.hackerrank.com/challenges/insert-a-node-at-the-tail-of-a-linked-list/problem) Insert a Node at the Tail of a Linked List [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/insert-a-node-at-the-tail-of-a-linked-list.java)
            - [Problem](https://www.hackerrank.com/challenges/insert-a-node-at-the-head-of-a-linked-list/problem) Insert a Node at the Head of a Linked List [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/insert-a-node-at-the-head-of-a-linked-list.java)
            - [Problem](https://www.hackerrank.com/challenges/delete-a-node-from-a-linked-list/problem) Delete Node [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/delete-a-node-from-a-linked-list.java)
            - [Problem](https://www.hackerrank.com/challenges/print-the-elements-of-a-linked-list-in-reverse/problem) Print in Reverse [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/print-the-elements-of-a-linked-list-in-reverse.java)
            - [Problem](https://www.hackerrank.com/challenges/insert-a-node-at-a-specific-position-in-a-linked-list/problem) Insert a node at a specific position in a linked list [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/insert-a-node-at-a-specific-position-in-a-linked-list.java)
            - [Problem](https://www.hackerrank.com/challenges/reverse-a-linked-list/problem) Reverse a linked list [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/reverse-a-linked-list.java)
            - [Problem](https://www.hackerrank.com/challenges/merge-two-sorted-linked-lists/problem) Merge two sorted linked lists [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/merge-two-sorted-linked-lists.java)
            - [Problem](https://www.hackerrank.com/challenges/get-the-value-of-the-node-at-a-specific-position-from-the-tail/problem) Get Node Value [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/get-the-value-of-the-node-at-a-specific-position-from-the-tail.java)
            - [Problem](https://www.hackerrank.com/challenges/delete-duplicate-value-nodes-from-a-sorted-linked-list/problem) Delete duplicate-value nodes from a sorted linked list [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/delete-duplicate-value-nodes-from-a-sorted-linked-list.java)
            - [Problem](https://www.hackerrank.com/challenges/compare-two-linked-lists/problem) Compare two linked lists [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/compare-two-linked-lists.java)
            - [Problem](https://www.hackerrank.com/challenges/detect-whether-a-linked-list-contains-a-cycle/problem) Cycle Detection [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/detect-whether-a-linked-list-contains-a-cycle.java)
            - [Problem](https://www.hackerrank.com/challenges/find-the-merge-point-of-two-joined-linked-lists/problem) Find Merge Point of Two Lists [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/find-the-merge-point-of-two-joined-linked-lists.java)
            - [Problem](https://www.hackerrank.com/challenges/insert-a-node-into-a-sorted-doubly-linked-list/problem) Inserting a Node Into a Sorted Doubly Linked List [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/insert-a-node-into-a-sorted-doubly-linked-list.java)
            - [Problem](https://www.hackerrank.com/challenges/reverse-a-doubly-linked-list/problem) Reverse a doubly linked list [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Linked%20Lists/reverse-a-doubly-linked-list.java)
        - Trees
            - [Problem](https://www.hackerrank.com/challenges/tree-preorder-traversal/problem) Tree: Preorder Traversal [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Trees/tree-preorder-traversal.java)
            - [Problem](https://www.hackerrank.com/challenges/tree-huffman-decoding/problem) Tree: Huffman Decoding [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Trees/tree-huffman-decoding.java)
            - [Problem](https://www.hackerrank.com/challenges/tree-postorder-traversal/problem) Tree: Postorder Traversal [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Trees/tree-postorder-traversal.java)
            - [Problem](https://www.hackerrank.com/challenges/tree-inorder-traversal/problem) Tree: Inorder Traversal [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Trees/tree-inorder-traversal.java)
            - [Problem](https://www.hackerrank.com/challenges/tree-height-of-a-binary-tree/problem) Tree: Height of a Binary Tree [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Trees/tree-height-of-a-binary-tree.java)
            - [Problem](https://www.hackerrank.com/challenges/tree-level-order-traversal/problem) Tree: Level Order Traversal [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Trees/tree-level-order-traversal.java)
            - [Problem](https://www.hackerrank.com/challenges/tree-top-view/problem) Tree : Top View [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Trees/tree-top-view.java)
        - Stacks
            - [Problem](https://www.hackerrank.com/challenges/maximum-element/problem) Maximum Element [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Stacks/maximum-element.php)
            - [Problem](https://www.hackerrank.com/challenges/balanced-brackets/problem) Balanced Brackets [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Stacks/balanced-brackets.php)
            - [Problem](https://www.hackerrank.com/challenges/equal-stacks/problem) Equal Stacks [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Stacks/equal-stacks.php)
            - [Problem](https://www.hackerrank.com/challenges/simple-text-editor/problem) Simple Text Editor [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Stacks/simple-text-editor.php)
        - Queues
            - [Problem](https://www.hackerrank.com/challenges/queue-using-two-stacks/problem) Queue using Two Stacks [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Queues/queue-using-two-stacks.php)
            - [Problem](https://www.hackerrank.com/challenges/truck-tour/problem) Truck Tour [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Queues/truck-tour.php)
        - Heap
            - [Problem](https://www.hackerrank.com/challenges/qheap1/problem) QHEAP1 [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Heap/qheap1.java)
            - [Problem](https://www.hackerrank.com/challenges/jesse-and-cookies/problem) Jesse and Cookies [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Heap/jesse-and-cookies.java)
            - [Problem](https://www.hackerrank.com/challenges/find-the-running-median/problem) Find the Running Median [Solution](https://github.com/sonmez-hakan/HackerRank/blob/master/Data%20Structures/Heap/find-the-running-median.java)

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