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.
console.log((n=>["Almost there","yuh gotta wait a little"][+(n>3)])(90))let distance = 90; // try changing this value to test different outputsoutput = distance < 3 ? "Almost there": "yuh gotta wait a little"console.log(output);- console.log((n=>["Almost there","yuh gotta wait a little"][+(n>3)])(90))
// патриотическая задача 1 22ФПИ1 Власова _ = (число_1, число_2, число_3) => число_1>число_2? число_1>число_3? число_1:число_3 :число_2>число_3? число_2:число_3// патриотическая задача 1_ = () =>- // патриотическая задача 1 22ФПИ1 Власова
- _ = (число_1, число_2, число_3) =>
- число_1>число_2?
- число_1>число_3?
- число_1:число_3
- :число_2>число_3?
- число_2:число_3
Safe version because of not using an eval, yet still prone to errors like DivizionByZeroExcpetion or KeyError
from operator import add, sub, mul, truediv def calculator(a, b, operator): return {'+': add, '-': sub, '*': mul, '/': truediv}[operator](a, b)- from operator import add, sub, mul, truediv
- def calculator(a, b, operator):
if not isinstance(a, (int, float)) or not isinstance(b, (int, float)):return "Operands must be numbers"operations = {'+': lambda x, y: x + y,'-': lambda x, y: x - y,'*': lambda x, y: x * y,'/': lambda x, y: x / y if y != 0 else "Cannot divide by zero"}if operator not in operations:return "Invalid operator"return operations[operator](a, b)- return {'+': add, '-': sub, '*': mul, '/': truediv}[operator](a, b)
import codewars_test as test # TODO Write tests import solution # or from solution import example # test.assert_equals(actual, expected, [optional] message) @test.describe("Example") def test_group(): @test.it("test case") def test_case(): test.assert_equals(calculator(1,1, '+'), 2) test.assert_equals(calculator(3,1, '-'), 2) test.assert_equals(calculator(3,1, '*'), 3) test.assert_equals(calculator(3,1, '/'), 3.0) @test.it("Edge cases") def edge_cases(): test.assert_equals(calculator(0, 0, '+'), 0) test.assert_equals(calculator(-1, -1, '*'), 1) test.assert_equals(calculator(1.5, 2.5, '+'), 4.0) test.assert_equals(calculator(0, 2888, '/'), 0)- import codewars_test as test
- # TODO Write tests
- import solution # or from solution import example
- # test.assert_equals(actual, expected, [optional] message)
- @test.describe("Example")
- def test_group():
- @test.it("test case")
- def test_case():
- test.assert_equals(calculator(1,1, '+'), 2)
- test.assert_equals(calculator(3,1, '-'), 2)
- test.assert_equals(calculator(3,1, '*'), 3)
- test.assert_equals(calculator(3,1, '/'), 3.0)
- @test.it("Edge cases")
- def edge_cases():
- test.assert_equals(calculator(0, 0, '+'), 0)
- test.assert_equals(calculator(-1, -1, '*'), 1)
- test.assert_equals(calculator(1.5, 2.5, '+'), 4.0)
- test.assert_equals(calculator(0, 2888, '/'), 0)
import random import string ''' ⠀⠀⠀⠀⠀⢀⣴⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣶⡄⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⢀⡿⣷⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣦⠄⠀⠀⠀ ⠀⠀⠀⠀⢰⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡆⠀⠀⠀ ⠀⠀⠀⢠⣿⣇⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣇⠀⠀⠀ ⠀⠀⠀⠀⣻⣿⣿⣿⣿⡿⡿⣿⣿⣿⣿⣿⣿⣿⣿⣯⣟⣿⣿⣿⣿⣷⣭⠀⠀⠀ ⠀⠀⠀⠀⣻⣿⠟⠛⠉⠁⠈⠉⠻⢿⣿⣿⣿⡟⠛⠂⠉⠁⠈⠉⠁⠻⣿⠀⠀⠀ ⠀⠀⠀⠀⢾⠀⠀⣠⠄⠻⣆⠀⠈⠠⣻⣿⣟⠁⠀⠀⠲⠛⢦⡀⠀⠠⠁⠀⠀⠀ ⠀⠀⠀⠀⢱⣄⡀⠘⠀⠸⠉⠀⠀⢰⣿⣷⣿⠂⢀⠀⠓⡀⠞⠀⢀⣀⠀⠀⠀⠀ ⠀⠀⠀⠀⠠⣿⣷⣶⣶⣶⣾⣿⠀⠸⣿⣿⣿⣶⣿⣧⣴⣴⣶⣶⣿⡟⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⢿⣿⣿⣿⣿⣿⣏⠇⠄⣿⣿⣿⣿⣿⣿⣿⣿⣿⣟⣾⠁⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⢺⣿⣿⣿⣿⣟⡿⠂⠈⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠑⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠈⣿⣿⣿⣿⣿⠀⠀⠈⠿⣿⣿⣿⣿⣿⣿⣿⣿⠁⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠄⢻⣿⣿⣿⡗⠀⠀⠀⠀⠈⠀⢨⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⡞⠷⠿⠿⠀⠀⠀⠀⢀⣘⣤⣿⣿⣿⣿⣿⡏⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠼⠉⠀⠀⠀⠀⠀⠚⢻⠿⠟⠓⠛⠂⠉⠉⠁⠀⡁⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣼⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⣿⡿⡀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⢾⠻⠌⣄⡁⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣀⣀⣀⡠⡲⠞⡁⠈⡈⣿⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⠘⠛⠻⢯⠟⠩⠀⠀⢠⣣⠈⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠄⠂⣰⣧⣾⠶⠀⠀⠀⠀⠀⠀⠀ ''' def cursed_world(): target = "hello world" letters = [random.choice(string.ascii_lowercase + ' ') for _ in range(11)] generation = 0 while True: generation += 1 score = sum(letters[i] == target[i] for i in range(11)) if score == 11: return "".join(letters) new_letters = letters[:] for i in range(11): if new_letters[i] != target[i]: if random.random() < 0.3: new_letters[i] = random.choice(string.ascii_lowercase + ' ') letters = new_letters- import random
- import string
- '''
- ⠀⠀⠀⠀⠀⢀⣴⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣶⡄⠀⠀⠀⠀⠀
- ⠀⠀⠀⠀⢀⡿⣷⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣦⠄⠀⠀⠀
- ⠀⠀⠀⠀⢰⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡆⠀⠀⠀
- ⠀⠀⠀⢠⣿⣇⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣇⠀⠀⠀
- ⠀⠀⠀⠀⣻⣿⣿⣿⣿⡿⡿⣿⣿⣿⣿⣿⣿⣿⣿⣯⣟⣿⣿⣿⣿⣷⣭⠀⠀⠀
- ⠀⠀⠀⠀⣻⣿⠟⠛⠉⠁⠈⠉⠻⢿⣿⣿⣿⡟⠛⠂⠉⠁⠈⠉⠁⠻⣿⠀⠀⠀
- ⠀⠀⠀⠀⢾⠀⠀⣠⠄⠻⣆⠀⠈⠠⣻⣿⣟⠁⠀⠀⠲⠛⢦⡀⠀⠠⠁⠀⠀⠀
- ⠀⠀⠀⠀⢱⣄⡀⠘⠀⠸⠉⠀⠀⢰⣿⣷⣿⠂⢀⠀⠓⡀⠞⠀⢀⣀⠀⠀⠀⠀
- ⠀⠀⠀⠀⠠⣿⣷⣶⣶⣶⣾⣿⠀⠸⣿⣿⣿⣶⣿⣧⣴⣴⣶⣶⣿⡟⠀⠀⠀⠀
- ⠀⠀⠀⠀⠀⢿⣿⣿⣿⣿⣿⣏⠇⠄⣿⣿⣿⣿⣿⣿⣿⣿⣿⣟⣾⠁⠀⠀⠀⠀
- ⠀⠀⠀⠀⠀⢺⣿⣿⣿⣿⣟⡿⠂⠈⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠑⠀⠀⠀⠀⠀
- ⠀⠀⠀⠀⠀⠈⣿⣿⣿⣿⣿⠀⠀⠈⠿⣿⣿⣿⣿⣿⣿⣿⣿⠁⠀⠀⠀⠀⠀⠀
- ⠀⠀⠀⠀⠀⠄⢻⣿⣿⣿⡗⠀⠀⠀⠀⠈⠀⢨⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀
- ⠀⠀⠀⠀⠀⠀⡞⠷⠿⠿⠀⠀⠀⠀⢀⣘⣤⣿⣿⣿⣿⣿⡏⠀⠀⠀⠀⠀⠀⠀
- ⠀⠀⠀⠀⠀⠀⠼⠉⠀⠀⠀⠀⠀⠚⢻⠿⠟⠓⠛⠂⠉⠉⠁⠀⡁⠀⠀⠀⠀⠀
- ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣼⠀⠀⠀⠀⠀⠀
- ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⣿⡿⡀⠀⠀⠀⠀⠀
- ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⢾⠻⠌⣄⡁⠀⠀⠀⠀⠀
- ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣀⣀⣀⡠⡲⠞⡁⠈⡈⣿⠀⠀⠀⠀⠀⠀
- ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⠘⠛⠻⢯⠟⠩⠀⠀⢠⣣⠈⠀⠀⠀⠀⠀⠀
- ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠄⠂⣰⣧⣾⠶⠀⠀⠀⠀⠀⠀⠀
- '''
- def cursed_world():
- target = "hello world"
- letters = [random.choice(string.ascii_lowercase + ' ') for _ in range(11)]
- generation = 0
- while True:
- generation += 1
- score = sum(letters[i] == target[i] for i in range(11))
- if score == 11:
- return "".join(letters)
- new_letters = letters[:]
- for i in range(11):
- if new_letters[i] != target[i]:
- if random.random() < 0.3:
- new_letters[i] = random.choice(string.ascii_lowercase + ' ')
- letters = new_letters
когоБольше = (...группа) => { let девочка = -1; let мальчик = 1; let массив_девочек = []; let массив_мальчиков = []; for(item of группа){ if(item<0){ массив_девочек.push(item); } else if(item>0){ массив_мальчиков.push(item); } } return массив_девочек.length> массив_мальчиков.length?`Девочек на ${массив_девочек.length- массив_мальчиков.length} больше`: массив_девочек.length< массив_мальчиков.length?`Девочек на ${массив_мальчиков.length- массив_девочек.length} меньше`: "Девочек и мальчиков равное количество"; }- когоБольше = (...группа) => {
- let девочка = -1;
- let мальчик = 1;
- let массив_девочек = [];
- let массив_мальчиков = [];
- for(item of группа){
- if(item<0){
- массив_девочек.push(item);
- } else if(item>0){
- массив_мальчиков.push(item);
- }
- }
- return массив_девочек.length> массив_мальчиков.length?`Девочек на ${массив_девочек.length- массив_мальчиков.length} больше`:
- массив_девочек.length< массив_мальчиков.length?`Девочек на ${массив_мальчиков.length- массив_девочек.length} меньше`:
- "Девочек и мальчиков равное количество";
- }
local multiply_and_add_one = function(a, b) return a * b + 1 end return multiply_and_add_onedef multiply_and_add_one(a, b):return (a * b) + 1- local multiply_and_add_one = function(a, b)
- return a * b + 1
- end
- return multiply_and_add_one
local multiply_and_add_one = require'solution' describe("Multiply and Add One Tests", function() it("Basic tests", function() assert.are.equal(multiply_and_add_one(2, 3), 7) assert.are.equal(multiply_and_add_one(4, 5), 21) assert.are.equal(multiply_and_add_one(0, 10), 1) assert.are.equal(multiply_and_add_one(-1, 5), -4) end) end)import codewars_test as testfrom solution import multiply_and_add_one- local multiply_and_add_one = require'solution'
@test.describe("Multiply and Add One Tests")def _():@test.it("Basic tests")def test_case():test.assert_equals(multiply_and_add_one(2, 3), 7)test.assert_equals(multiply_and_add_one(4, 5), 21)test.assert_equals(multiply_and_add_one(0, 10), 1)test.assert_equals(multiply_and_add_one(-1, 5), -4)- describe("Multiply and Add One Tests", function()
- it("Basic tests", function()
- assert.are.equal(multiply_and_add_one(2, 3), 7)
- assert.are.equal(multiply_and_add_one(4, 5), 21)
- assert.are.equal(multiply_and_add_one(0, 10), 1)
- assert.are.equal(multiply_and_add_one(-1, 5), -4)
- end)
- end)
function closestToZero(array $ints) { $closest = PHP_INT_MAX; if (empty($ints)) return 0; foreach ($ints as $item) { if (abs($closest) >= abs($item)) { $closest = $item; } } return $closest; } ?>- function closestToZero(array $ints) {
return 0;- $closest = PHP_INT_MAX;
- if (empty($ints)) return 0;
- foreach ($ints as $item) {
- if (abs($closest) >= abs($item)) {
- $closest = $item;
- }
- }
- return $closest;
- }
- ?>
Just the same approch thre, but simplified it using chars, which turns a string into IntStream, allowing me to retrieve the sum easily. Then a simple comparison to get true or false.
class Kata { public static String verifySum(String nameOne, String nameTwo) { if (nameOne == null || nameTwo == null) { return "NULL"; } int sumOfNamesOne = nameOne.chars().sum(); int sumOfNamesTwo = nameTwo.chars().sum(); return sumOfNamesOne == sumOfNamesTwo ? "TRUE" : "FALSE"; } }class Kata{public static String verifySum(String nameOne, String nameTwo) {int[] sumOfNames = new int[]{0, 0};- class Kata {
- public static String verifySum(String nameOne, String nameTwo) {
- if (nameOne == null || nameTwo == null) {
- return "NULL";
- }
for (int i = 0; i < nameOne.length(); i++){sumOfNames[0] += nameOne.charAt(i);}for (int i = 0; i < nameTwo.length(); i++){sumOfNames[1] += nameTwo.charAt(i);}return sumOfNames[0] == sumOfNames[1] ? "TRUE" : "FALSE";- int sumOfNamesOne = nameOne.chars().sum();
- int sumOfNamesTwo = nameTwo.chars().sum();
- return sumOfNamesOne == sumOfNamesTwo ? "TRUE" : "FALSE";
- }
- }