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- // input: [["a", "b", "c", "d"]]
- // output: ["c", "b", "a", "d"]
- package {
- public class ArrayAccess {
- public static function main(ar:Array):Array {
- var aa:ArrayAccess = new ArrayAccess();
- return aa.f(ar, 2);
- }
- private function f(ar:Array, num:Number):Array{
- var x:String = ar[0];
- var y:String = ar[num % ar.length];
- ar[0] = y;
- ar[num] = x;
- return ar;
- }
- }
- }
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