Question

How to fill a large array by repeatedly copying the values from a small array in Swift

Answer 1

import Foundation

let smallArray = [1, 2, 3, 4, 5]
var largeArray = [Int](repeating: 0, count: 30)

let largeLen = largeArray.count
let smallLen = smallArray.count

for i in 0..<largeLen {
    largeArray[i] = smallArray[i % smallLen]
}

for i in 0..<largeLen {
    print(largeArray[i], terminator: " ")
}



/*
run:

1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 

*/

 

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