https://www.codewars.com/
A coding practice website for all programming levels – Join a community of over 3 million developers and improve your coding skills in over 55 programming...
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https://www.codewars.com/kata/5db19d503ec3790012690c11/train/lua
Codewars is where developers achieve code mastery through challenge. Train on kata in the dojo and reach your highest potential.
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https://www.codewars.com/kata/?tags=Memoization
Develop your coding skills with code challenges designed to strengthen your ability to solve coding problems. Pick up new programming techniques from your...
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https://www.codewars.com/kata/5e4914f1083ab4001eb6af2d/train/coq
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https://www.codewars.com/kata/?tags=Data+Structures%2CGeometry%2CGames
Develop your coding skills with code challenges designed to strengthen your ability to solve coding problems. Pick up new programming techniques from your...
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https://www.codewars.com/kata/5ec985233fe9d8002c86420e/discuss
Description Your mission is to implement a Turing machine emulator. Presentation A Turing machine is an abstract machine that manipulates symbols on a strip of...
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https://www.codewars.com/kata/54f8693ea58bce689100065f/train/csharp
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https://www.codewars.com/kata/5d7091aa7bf8d0001200c133
A Seven Segment Display is an electronic display device, used to display decimal or hexadecimal numerals. It involves seven led segments that are lit in...
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https://www.codewars.com/users/davidomid
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https://www.codewars.com/kata/59b46276afcda204ed000094/train/haskell
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https://www.codewars.com/kata/567501aec64b81e252000003/train/elm
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https://www.codewars.com/kata/560985a07add63e1a1000019/discuss
Your function given_nth_value() (Javascript: givenNthValue())will receive an array or list of integers, positive or negative, then, it will receive an integer...
discussrequireddataiieasy
https://www.codewars.com/kata/5a5ed3d1e626c5140f00000e
Overview In this Kata you will be looking at the runs scored by a team in an innings of a game of cricket. Rules The rules of cricket are much too complex to...
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https://www.codewars.com/kata/5ae7e3f068e6445bc8000046
Scenario You're saying good-bye your best friend , See you next happy year . Happy Year is the year with only distinct digits , (e.g) 2018 Task Given a year,...
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https://www.codewars.com/users/Hooodoo/comments
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https://www.codewars.com/kata/546d15cebed2e10334000ed9/train/groovy
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https://www.codewars.com/kata/57066ad6cb72934c8400149e
Chuck has lost count of how many asses he has kicked... Chuck stopped counting at 100,000 because he prefers to kick things in the face instead of counting....
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https://www.codewars.com/kata/5b609ebc8f47bd595e000627/train/java
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https://www.codewars.com/users/JWoodruff
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https://www.codewars.com/kata/58309a29db57291072000083
A group of businesspeople from various timezones around the world need to schedule a conference call at a time of the day which works for everyone. For each...
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https://www.codewars.com/kata/5b707fbc8adeaee7ac00000c/train/coffeescript
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https://www.codewars.com/kata/63f13a354a828b0041979359/train/cpp
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https://www.codewars.com/kata/569218bc919ccba77000000b/train/clojure
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https://www.codewars.com/kata/57ee24e17b45eff6d6000164/train/php
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https://www.codewars.com/kata/58603c898989d15e9e000475/discuss/javascript
As most of you might know already, a prime number is an integer n with the following properties: it must be greater than 1 it must be divisible only by itself...
discussmasterprimessievememoization
https://www.codewars.com/kata/5e8dccdb8a011a0028a3f5f8
Theorem-prover version of this kata: If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples...
summultiplesgiven
https://www.codewars.com/kata/5a908da30025e995880000e3/train/c
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https://www.codewars.com/users/Miri/following
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https://www.codewars.com/kata/586f6741c66d18c22800010a/train/crystal
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https://www.codewars.com/kata/696eacb39271f8aa43b61841/train/python
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https://www.codewars.com/kata/?tags=Strings%2CMathematics%2CASCII+Art%2CTutorials%2CDebugging%2CData+Science
Develop your coding skills with code challenges designed to strengthen your ability to solve coding problems. Pick up new programming techniques from your...
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https://www.codewars.com/kata/573992c724fc289553000e95/train/reason
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https://www.codewars.com/kata/5d9f95424a336600278a9632/train/php
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https://www.codewars.com/kata/55eca815d0d20962e1000106/train/c
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https://www.codewars.com/kata/57216d4bcdd71175d6000560/train/javascript
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https://www.codewars.com/users/LikerK/
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https://www.codewars.com/kata/5a8d1c82373c2e099d0000ac/discuss
In this Kata, you will be given a string and two indexes (a and b). Your task is to reverse the portion of that string between those two indices inclusive....
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https://www.codewars.com/kata/58ff1c8b13b001a5a50005b4/train/csharp
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https://www.codewars.com/kata/5a8c1b06fd5777d4c00000dd
Principal Diagonal -- The principal diagonal in a matrix identifies those elements of the matrix running from North-West to South-East. Secondary Diagonal --...
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https://www.codewars.com/kata?tags=Machine+Learning
Develop your coding skills with code challenges designed to strengthen your ability to solve coding problems. Pick up new programming techniques from your...
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https://www.codewars.com/kata/?tags=Puzzles%2CDynamic+Programming%2CAlgorithms%2CCombinatorics
Develop your coding skills with code challenges designed to strengthen your ability to solve coding problems. Pick up new programming techniques from your...
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https://www.codewars.com/kata/56833b76371e86f8b6000015/train/csharp
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https://www.codewars.com/kata/5c11c3f757415b1735000338/train/python
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https://www.codewars.com/users/prestige_evergreen/badges
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https://www.codewars.com/kata/5f0ea61fd997db00327e6c25
Yet another easy kata! If you are newbie on CodeWars then I suggest you to go through this. Background: this kata is sort of educational too so, it you don't...
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https://www.codewars.com/kata/69178eb3a22411a3aab31347/train/typescript
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https://www.codewars.com/kata/5809b62808ad92e31b000031/train/c
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https://www.codewars.com/kata/?tags=Data+Structures%2CPerformance%2CMathematics%2CAlgebra
Develop your coding skills with code challenges designed to strengthen your ability to solve coding problems. Pick up new programming techniques from your...
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https://www.codewars.com/kata/?tags=Strings%2CMathematics%2CASCII+Art%2CLogic%2CData+Science%2CGames%2CCryptography%2CTutorials
Develop your coding skills with code challenges designed to strengthen your ability to solve coding problems. Pick up new programming techniques from your...
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https://www.codewars.com/users/cwps/comments
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https://www.codewars.com/kata/5889ae4f7af7f99a9a000019/train/python
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https://www.codewars.com/kata/56c04261c3fcf33f2d000534/train/c
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https://www.codewars.com/kata/5830195755f28edad4000081
Task Implement a function which takes a number N and returns the N'th row of the sequence below. If the argument is greater than the number of rows in the...
getrowalphabeticalsequencecodewars
https://www.codewars.com/kata/56fc55cd1f5a93d68a001d4e/train/java
Codewars is where developers achieve code mastery through challenge. Train on kata in the dojo and reach your highest potential.
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https://www.codewars.com/kata/54b42f9314d9229fd6000d9c/train/dart
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https://www.codewars.com/kata/52f7892a747862fc9a0009a6/train/rust
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https://www.codewars.com/kata/5865cff66b5699883f0001aa/train/crystal
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https://www.codewars.com/kata/59bd84b8a0640e7c49002398/train/javascript
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https://www.codewars.com/kata/?tags=Arrays%2CSorting%2CCryptography%2CDebugging
Develop your coding skills with code challenges designed to strengthen your ability to solve coding problems. Pick up new programming techniques from your...
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https://www.codewars.com/kata/696503a831e8e76d36706fb9/train/python
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https://www.codewars.com/kata/?tags=Binary+Trees%2CTrees%2CFundamentals%2CLists%2CData+Structures
Develop your coding skills with code challenges designed to strengthen your ability to solve coding problems. Pick up new programming techniques from your...
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https://www.codewars.com/users/56d5c6b1c87df50ef600113f
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https://www.codewars.com/kata/5b49dbe76ac800b9f9000087/solutions/r
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https://www.codewars.com/kata/56bdf9d50d0b6433df001074/train/coffeescript
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https://www.codewars.com/kata/545c4f7682e55d3c6e0011a1/discuss/javascript
There are a n balls numbered from 0 to n-1 (0,1,2,3,etc). Most of them have the same weight, but one is heavier. Your task is to find it. Your function will...
discussfindheavyballlevel
https://www.codewars.com/kata/5a045fee46d843effa000070/train/pascal
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https://www.codewars.com/kata/69121ababc0e136fc84177d4/train/python
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https://www.codewars.com/kata/57197be09906af7c830016de/discuss/python
You have to rebuild a string from an enumerated list. For this task, you have to check if input is correct beforehand. Input must be a list of tuples Each...
discussstringcodewars
https://www.codewars.com/kata/5412509bd436bd33920011bc/python
Usually when you buy something, you're asked whether your credit card number, phone number or answer to your most secret question is still correct. However,...
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https://www.codewars.com/kata/5fda527cfb41260010be13f8/solutions/python
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https://www.codewars.com/kata/?tags=Data+Structures%2CLogic%2CGeometry%2CGames%2CStrings
Develop your coding skills with code challenges designed to strengthen your ability to solve coding problems. Pick up new programming techniques from your...
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https://www.codewars.com/kata/63adf4596ef0071b42544b9a
Maximum different differences Assume $A$ is a strictly increasing array of positive integers with $n$ elements: A = [a_1, a_2, ..., a_n] \text{ such that } a_1...
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https://www.codewars.com/users/eArt/completed
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https://www.codewars.com/users/Anurag%20Dullur
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https://www.codewars.com/kata/56fc55cd1f5a93d68a001d4e/train/coffeescript
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https://www.codewars.com/kata/?tags=Interpreters%2CParsing%2CSorting
Develop your coding skills with code challenges designed to strengthen your ability to solve coding problems. Pick up new programming techniques from your...
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https://www.codewars.com/kata/search/?tags=Mathematics%2CPerformance%2CCombinatorics%2CGames
Develop your coding skills with code challenges designed to strengthen your ability to solve coding problems. Pick up new programming techniques from your...
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https://www.codewars.com/users/Hooodoo/following
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https://www.codewars.com/kata/55dc4520094bbaf50e0000cb/discuss
Wilson primes satisfy the following condition. Let $P$ represent a prime number. Then, \displaystyle\frac{(P-1)! + 1}{P * P} should give a whole number, where...
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https://www.codewars.com/kata/5722cc50785220ac8b00129b
Pictures #1 - Rebuilding the Tower of Babel Task Define a function, babel, which accepts a positive integer argument height and returns a string representing a...
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https://www.codewars.com/kata/59ab0ca4243eae9fec000088/train/ruby
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https://www.codewars.com/kata/59f4a0acbee84576800000af/train/c
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https://www.codewars.com/users/NicholasU-01
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https://www.codewars.com/kata/5ac54bcbb925d9b437000001/train/php
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https://www.codewars.com/users/UnicornFreedom/published_kumite
Codewars is where developers achieve code mastery through challenge. Train on kata in the dojo and reach your highest potential.
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