Start a new Kumite
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Kumite (ko͞omiˌtā) is the practice of taking techniques learned from Kata and applying them through the act of freestyle sparring.

You can create a new kumite by providing some initial code and optionally some test cases. From there other warriors can spar with you, by enhancing, refactoring and translating your code. There is no limit to how many warriors you can spar with.

A great use for kumite is to begin an idea for a kata as one. You can collaborate with other code warriors until you have it right, then you can convert it to a kata.

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ChefEgorvs.ArmaanAS

Hello Kotlin

Fundamentals

best solution

Code
Diff
  • fun main() = print("Hi")
    • fun main() = print("Hello world")
    • fun main() = print("Hi")
Diderikdmvs.comecheckoutmycode

Check Even Number

Code
Diff
  • is_even = lambda x: not(x % 2)
    • is_even = lambda x: not(x & 1)
    • is_even = lambda x: not(x % 2)
comecheckoutmycodevs.jdx228

Is n divisible by x and y?

Code
Diff
  • is_divisible = lambda n, x, y: not n % x and not n % y
    • is_divisible = lambda n,x,y:n%x==n%y
    • is_divisible = lambda n, x, y: not n % x and not n % y
comecheckoutmycodevs.rowcased

Equality

Code
Diff
  • is_equal=lambda a,b: ['yes', 'no'][bool(a) ^ bool(b)]
    • is_equal=lambda a,b:'yes'if a==b else'no'
    • is_equal=lambda a,b: ['yes', 'no'][bool(a) ^ bool(b)]
ScrepYvs.Lambdius

Object create

Code
Diff
  • class Human {
    #name;
    #surname;
    #birthday;  
  
    constructor ( name = 'Jhon', surname = 'Doe' , birthday = new Date().toISOString().split`T`[0]) {
        this.#name = name
        this.#surname = surname
        this.#birthday = birthday
    }
  
    get name () {
        return this.#name
    }
  
    get surname () {
        return this.#surname
    }
    
    set name ( newName = 'Jhon' ) {
        this.#name = newName
    }
    
    set surname ( newSurname = 'Doe' ) {
        this.#surname = newSurname
    }
  
    get birthday () {
       return this.#birthday
    }
  
    getAge () {
        return `I'm ${(new Date() - new Date(this.#birthday))/1000/60/60/24/365|0} years old`
    }
  
    greeting () {
        return `Hello, my name is ${this.#name} ${this.#surname}`
    }
  
}

class Worker extends Human {
    #totalDays = 0
    #hoursPerWeek = 0
    #profession;
  
    constructor( name, surname, profession = 'Developer' ){
        super()
        super.name = name
        super.surname = surname
        this.#profession = profession
    }
  
    get profession () {
      return this.#profession
    }

    get stats () {
        return {
            totalDays: this.#totalDays,
            hoursPerWeek: this.#hoursPerWeek
        }
    }
  
    doWork (hours = 8) {
        if (!(this.#totalDays % 7) && this.#totalDays) 
            this.#hoursPerWeek = hours
        this.#hoursPerWeek += hours
        this.#totalDays += 1
        return this
    }
  
    changeProfession ( newProfession ) {
      if ( !newProfession ) throw Error('The profession was not transferred!')
      if ( typeof newProfession !== 'string' ) throw TypeError('Incorrect new profession type!')
      this.#profession = newProfession
      this.#hoursPerWeek = 0
      this.#totalDays = 0
      return this
    }
  
}
    • class Human {
    • #name;
    • #surname;
    • constructor ( name = 'Jhon', surname = 'Doe' ) {
    • #birthday;
    • constructor ( name = 'Jhon', surname = 'Doe' , birthday = new Date().toISOString().split`T`[0]) {
    • this.#name = name
    • this.#surname = surname
    • this.#birthday = birthday
    • }
    • get name () {
    • return this.#name
    • }
    • get surname () {
    • return this.#surname
    • }
    • set name ( newName = 'Jhon' ) {
    • this.#name = newName
    • }
    • set surname ( newSurname = 'Doe' ) {
    • this.#surname = newSurname
    • }
    • get birthday () {
    • return this.#birthday
    • }
    • getAge () {
    • return `I'm ${(new Date() - new Date(this.#birthday))/1000/60/60/24/365|0} years old`
    • }
    • greeting () {
    • return `Hello, my name is ${this.#name} ${this.#surname}`
    • }
    • }
    • class Worker extends Human {
    • #totalDays = 0
    • #hoursPerWeek = 0
    • #profession;
    • constructor( name, surname, profession = 'Developer' ){
    • super()
    • super.name = name
    • super.surname = surname
    • this.#profession = profession
    • }
    • get profession () {
    • return this.#profession
    • }
    • get stats () {
    • return {
    • totalDays: this.#totalDays,
    • hoursPerWeek: this.#hoursPerWeek
    • }
    • }
    • doWork (hours = 8) {
    • if (!(this.#totalDays % 7) && this.#totalDays)
    • this.#hoursPerWeek = hours
    • this.#hoursPerWeek += hours
    • this.#totalDays += 1
    • return this
    • }
    • changeProfession ( newProfession ) {
    • if ( !newProfession ) throw Error('The profession was not transferred!')
    • if ( typeof newProfession !== 'string' ) throw TypeError('Incorrect new profession type!')
    • this.#profession = newProfession
    • this.#hoursPerWeek = 0
    • this.#totalDays = 0
    • return this
    • }
    • }