Algorithms and Data Structures implemented in JavaScript for beginners, following best practices.
import {
factorial,
permutation,
combination
} from '../PermutationAndCombination'
describe('Factorial', () => {
it('factorial(5)', () => {
expect(factorial(5)).toBe(120)
})
describe('Permutation', () => {
it('permutation(5, 2)', () => {
expect(permutation(5, 2)).toBe(20)
describe('Combination', () => {
it('combination(5, 2)', () => {
expect(combination(5, 2)).toBe(10)
