Question

How to use jagged array in Swift

Answer 1

let arr: [[Int]] = [[4, 7, 2], [5, 8], [9]]

for i in 0..<arr.count {
    for j in 0..<arr[i].count {
        print(arr[i][j], terminator:" ")
    }
    print()
}



/*
run:

4 7 2 
5 8 
9 

*/

 

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