Question

How to use array repeating in Swift

Answer 1

var arr: [Int] = Array(repeating: 0, count: 20)

arr[0] = 1
arr[3] = 4
arr[6] = 2

print(arr)

print(arr.count)




/*
run:

[1, 0, 0, 4, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
20

*/

 

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