[swift] 비어있는 2차원 배열 만들기

import UIKit

var str = "Hello, playground"

let n = 5

var ​emptyArray​ = [String]()

var emptyArray2: [[Int]] = [[Int]](count: n, repeatedValue: [Int](count: n, repeatedValue: 0))

emptyArray2[0][0] = 1

for first in emptyArray2 {

    for value in first {

        print("\(value) ")

    }

    println()

}

println("END")