nicky1525
nicky1525
/ ArrayLeftRotation.swift
Last active
July 21, 2018 19:22
A left rotation operation on an array shifts each of the array's elements unit to the left. Given an array of integers and a number, perform left rotations on the array. Return the updated array to be printed as a single line of space-separated integers.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| func rotLeft(a: [Int], d: Int) -> [Int] { | |
| var array: [Int] = [] | |
| for i in 0 ..< a.count { | |
| let index = (i + d) % a.count | |
| array.append(a[index]) | |
| } | |
| return array | |
| } | |
nicky1525
/ FunctionalKata.Swift
Created
January 22, 2017 18:23
Functional Kata, learning functional programming.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import XCTest | |
| @testable import FunctionalKata | |
| class FunctionalKataTests: XCTestCase { | |
| // Create a function to count the elements contained in a list | |
| func count(list: [Any?]) -> Int { | |
| if let _ = list.first { | |
| let tail = Array(list.dropFirst()) | |
| return 1 + count(list: tail) |