HackerRank Python Solutions

In this repository, you will find updated Python solutions for all HackerRank problems as of 2024.
Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding interview, in real-time and undetectable 😎

Algorithms

Category	Problem Name	Link to Problem	Link to Solution	Score
Warmup	Solve Me First	Problem	solution-solve-me-first.python	1
Warmup	Simple Array Sum	Problem	solution-simple-array-sum.python	10
Warmup	Compare the Triplets	Problem	solution-compare-the-triplets.python	10
Warmup	A Very Big Sum	Problem	solution-a-very-big-sum.python	10
Warmup	Diagonal Difference	Problem	solution-diagonal-difference.python	10
Warmup	Plus Minus	Problem	solution-plus-minus.python	10
Warmup	Staircase	Problem	solution-staircase.python	10
Warmup	Mini-Max Sum	Problem	solution-mini-max-sum.python	10
Warmup	Birthday Cake Candles	Problem	solution-birthday-cake-candles.python	10
Warmup	Time Conversion	Problem	solution-time-conversion.python	15
Implementation	Grading Students	Problem	solution-grading-students.python	10
Implementation	Apple and Orange	Problem	solution-apple-and-orange.python	10
Implementation	Kangaroo	Problem	solution-kangaroo.python	10
Implementation	Between Two Sets	Problem	solution-between-two-sets.python	10
Implementation	Breaking the Records	Problem	solution-breaking-the-records.python	10
Implementation	Birthday Chocolate	Problem	solution-birthday-chocolate.python	10
Implementation	Electronics Shop	Problem	solution-electronics-shop.python	15
Implementation	Cats and a Mouse	Problem	solution-cats-and-a-mouse.python	15
Implementation	Forming a Magic Square	Problem	solution-forming-a-magic-square.python	20
Implementation	Picking Numbers	Problem	solution-picking-numbers.python	20
Implementation	Climbing the Leaderboard	Problem	solution-climbing-the-leaderboard.python	20
Implementation	The Hurdle Race	Problem	solution-the-hurdle-race.python	15
Sorting	Intro to Tutorial Challenges	Problem	solution-intro-to-tutorial-challenges.python	30
Sorting	Big Sorting	Problem	solution-big-sorting.python	20
Search	Pairs	Problem	solution-pairs.python	50
Greedy	Minimum Absolute Difference in an Array	Problem	solution-minimum-absolute-difference-in-an-array.python	15
Greedy	Marc's Cakewalk	Problem	solution-marcs-cakewalk.python	15
Greedy	Permuting Two Arrays	Problem	solution-permuting-two-arrays.python	40
Dynamic Programming	The Coin Change Problem	Problem	solution-the-coin-change-problem.python	60
Dynamic Programming	Equal	Problem	solution-equal.python	30
Dynamic Programming	Sherlock and Cost	Problem	solution-sherlock-and-cost.python	50
Dynamic Programming	Construct the Array	Problem	solution-construct-the-array.python	35
Dynamic Programming	Fibonacci Modified	Problem	solution-fibonacci-modified.python	45

Artificial Intelligence

Category	Problem Name	Link to Problem	Link to Solution	Score
Artificial Intelligence	Laptop Battery Life	Problem	laptop-battery-life.python	10

C++

Category	Problem Name	Link to Problem	Link to Solution	Score
C++	Say Hello, World! With Cpp	Problem	say-hello-world.python	10

Data Structures

Category	Problem Name	Link to Problem	Link to Solution	Score
Data Structures	Arrays - DS	Problem	arrays-ds-python	10

Interview Preparation Kit - Python

Category	Problem Name	Link to Problem	Link to Solution	Score
Warm-up Challenges	Sock Merchant	Problem	solution-sock-merchant.python	10
Warm-up Challenges	Counting Valleys	Problem	solution-counting-valleys.python	15
Warm-up Challenges	Jumping on the Clouds	Problem	solution-jumping-on-the-clouds.python	20
Warm-up Challenges	Repeated String	Problem	solution-repeated-string.python	20
Arrays	Arrays - Left Rotation	Problem	solution-arrays-left-rotation.python	20
Arrays	2D Array - DS	Problem	solution-2d-array-ds.python	15
Arrays	New Year Chaos	Problem	solution-new-year-chaos.python	40
Arrays	Minimum Swaps 2	Problem	solution-minimum-swaps-2.python	40
Arrays	Array Manipulation	Problem	solution-array-manipulation.python	60
Dictionaries and Hashmaps	Hash Tables - Ransom Note	Problem	solution-hash-tables-ransom-note.python	25
Dictionaries and Hashmaps	Two Strings	Problem	solution-two-strings.python	25
Dictionaries and Hashmaps	Count Triplets	Problem	solution-count-triplets.python	25
Dictionaries and Hashmaps	Frequency Queries	Problem	solution-frequency-queries.python	40
Dictionaries and Hashmaps	Sherlock and Anagrams	Problem	solution-sherlock-and-anagrams.python	50
Sorting	Sorting - Bubble Sort	Problem	solution-sorting-bubble-sort.python	30
Sorting	Mark and Toys	Problem	solution-mark-and-toys.python	35
Search	Hash Tables - Ice Cream Parlor	Problem	solution-hash-tables-ice-cream-parlor.python	35
Search	Minimum Time Required	Problem	solution-minimum-time-required.python	35
Search	Triple sum	Problem	solution-triple-sum.python	40
Dynamic Programming	Max Array Sum	Problem	solution-max-array-sum.python	20

Python

Category	Problem Name	Link to Problem	Link to Solution	Score
Introduction	Say Hello, World! With Python	Problem	solution-say-hello-world-with-python.python	5
Introduction	Python If-Else	Problem	solution-python-if-else.python	10
Introduction	Arithmetic Operators	Problem	solution-arithmetic-operators.python	10
Introduction	Python Division	Problem	solution-python-division.python	10
Introduction	Loops	Problem	solution-loops.python	10
Introduction	Write a function	Problem	solution-write-a-function.python	10
Introduction	Print Function	Problem	solution-print-function.python	20
Basic Data Types	List Comprehensions	Problem	solution-list-comprehensions.python	10
Basic Data Types	Find the Runner-Up Score!	Problem	solution-find-the-runner-up-score.python	10
Basic Data Types	Nested Lists	Problem	solution-nested-lists.python	10
Basic Data Types	Finding the percentage	Problem	solution-finding-the-percentage.python	10
Basic Data Types	Lists	Problem	solution-lists.python	10
Basic Data Types	Tuples	Problem	solution-tuples.python	10
Strings	sWAP cASE	Problem	solution-swap-case.python	10
Strings	String Split and Join	Problem	solution-string-split-and-join.python	10
Strings	What's Your Name	Problem	solution-whats-your-name.python	10
Strings	Mutations	Problem	solution-mutations.python	10
Strings	Find a string	Problem	solution-find-a-string.python	10
Strings	String Validators	Problem	solution-string-validators.python	10
Strings	Text Alignment	Problem	solution-text-alignment.python	10
Strings	Text Wrap	Problem	solution-text-wrap.python	10
Strings	Designer Door Mat	Problem	solution-designer-door-mat.python	10
Strings	String Formatting	Problem	solution-string-formatting.python	10
Strings	Capitalize!	Problem	solution-capitalize.python	20
Sets	Introduction to Sets	Problem	solution-introduction-to-sets.python	10
Sets	No Idea!	Problem	solution-no-idea.python	50
Sets	Symmetric Difference	Problem	solution-symmetric-difference.python	10
Sets	Set add()	Problem	solution-set-add.python	10
Sets	Set discard() remove() pop()	Problem	solution-set-discard-remove-pop.python	10
Sets	Set union() Operation	Problem	solution-set-union-operation.python	10
Sets	Set intersection() Operation	Problem	solution-set-intersection-operation.python	10
Sets	Set difference() Operation	Problem	solution-set-difference-operation.python	10
Sets	Set symmetric_difference() Operation	Problem	solution-set-symmetric-difference-operation.python	10
Sets	Set Mutations	Problem	solution-set-mutations.python	10
Sets	The Captain's Room	Problem	solution-the-captains-room.python	10
Sets	Check Subset	Problem	solution-check-subset.python	10
Sets	Check Strict Superset	Problem	solution-check-strict-superset.python	10
Itertools	itertools.product()	Problem	solution-itertools-product.python	10
Itertools	itertools.combinations()	Problem	solution-itertools-combinations.python	10
Itertools	itertools.permutations()	Problem	solution-itertools-permutations.python	10
Itertools	itertools.combinations_with_replacement()	Problem	solution-itertools-combinations-with-replacement.python	10
Itertools	Compress the String!	Problem	solution-compress-the-string.python	20
Itertools	Iterables and Iterators	Problem	solution-iterables-and-iterators.python	40
Itertools	Maximize It!	Problem	solution-maximize-it.python	50
Collections	collections.Counter()	Problem	solution-collections-counter.python	10
Collections	DefaultDict Tutorial	Problem	solution-defaultdict-tutorial.python	20
Collections	Collections namedtuple()	Problem	solution-collections-namedtuple.python	20
Collections	Collections OrderedDict()	Problem	solution-collections-ordereddict.python	20
Collections	Word Order	Problem	solution-word-order.python	50
Collections	Collections deque()	Problem	solution-collections-deque.python	20
Collections	Company Logo	Problem	solution-company-logo.python	30
Collections	Piling Up!	Problem	solution-piling-up.python	50
Date and Time	Calendar Module	Problem	solution-calendar-module.python	10
Date and Time	Time Delta	Problem	solution-time-delta.python	30
Errors and Exceptions	Exceptions	Problem	solution-exceptions.python	10
Errors and Exceptions	Incorrect Regex	Problem	solution-incorrect-regex.python	20
Numpy	Arrays	Problem	solution-arrays.python	10
Numpy	Shape and Reshape	Problem	solution-shape-and-reshape.python	20

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