iOS repl.it - Arrays Challenge Solution

arrays.swift

let numbers = [45, 73, 195, 53]

//Create a new array called computedNumbers
var computedNumbers = [
  numbers[0] * numbers[1], 
  numbers[1] * numbers[2], 
  numbers[2] * numbers[3], 
  numbers[3] * numbers[0]
]


print(computedNumbers)

var numeros: [Int] = [ 3, 7, 10, 24]

var computadNumber: [Int] = [numeros[0]*numeros[1], numeros[1]*numeros[2], numeros[2]*numeros[3], numeros[3]*numeros[0]]

print(computadNumber)

func exercise() {

let numbers = [45, 73, 195, 53]

let computedNumbers = [numbers[0] * numbers[1], numbers[1] * numbers[2], numbers[2] * numbers[3], numbers[3] * numbers[0]]


print(computedNumbers)

}

var lst = [1,2,3,4,5]

var lst2 = Int

for i in 0...lst.count-2{
let x = lst[i] * lst[i+1]
lst2.append(x)
}
let y = lst[lst.count-1] * lst[0]
lst2.append(y)
print(lst2)

let numbers = [45, 73, 195, 53];

var computedNumbers = [Int]();

for i in 0 ..< (numbers.count) {
    if (i < numbers.count - 1) {
        computedNumbers.append(numbers[i] * numbers[i + 1])
    }
    else {
        computedNumbers.append(numbers[i] * numbers[0])
    }
}

print(computedNumbers);

let numbers = [45, 73, 195, 53]

var computedNumbers = [Int]()

for i in numbers.startIndex ..< numbers.endIndex {
    var secondIndex = i + 1
    if (secondIndex == numbers.endIndex) {
        secondIndex = numbers.startIndex
    }
    computedNumbers.append(numbers[i] * numbers[secondIndex])
}

print(computedNumbers)

let numbers = [45, 73, 195, 53]
    
    //Write your code here
    let computedNumbers: [Int] = (0..<numbers.count).map { index in
        let nextIndex = (index + 1) % numbers.count
        return numbers[index] * numbers[nextIndex]
    }
   
    print(computedNumbers)

let numbers = [45, 73, 195, 53]

var computedNumbers =
[
numbers[0]*numbers[1],
numbers[1]*numbers[2],
numbers[2]*numbers[3],
numbers[0]*numbers[3]
]
//Kodlama Alıştırması
print(computedNumbers)

func exercise() {

let numbers = [45, 73, 195, 53]
var a = numbers [0]
var b = numbers [1]
var c = numbers [2]
var d = numbers [3]

//Write your code here
let computedNumbers = [a*b, b*c, c*d, d*a]


print(computedNumbers)

}

func exercise(){
let numbers = [45, 73, 195, 53]
var computedNumbers = Int
for i in 0..<numbers.count
{
let nextIndex = (i + 1) % numbers.count
computedNumbers.append(numbers[i] * numbers[nextIndex])
}
print(computedNumbers)

var numbers = [45, 73, 195, 53] [0]

let computedNumbers = [45 * 73,73 * 195,195 * 53,53 * 45]

print(computedNumbers)

this is version for idiot

func exercise() {

let numbers = [45, 73, 195, 53]

//Write your code here
var computedNumbers = [Int]()
let count = numbers.count

for i in 0..<count {
    let nextIndex = (i + 1) % count
    computedNumbers.append(numbers[i] * numbers[nextIndex])
}


print(computedNumbers)

}

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let numbers = [45, 73, 195, 53]

var computedNumbers: [Int] = []

for i in 0..<numbers {
var nextIndex = (i + 1) % numbers.count
computedNumbers.append(numbers[i] + numbers[nextIndex])

}

print(computedNumbers)