Some items can be enumerated, like @s[1, 2, 1, 2] Some items can be generated, like @s [1, 2, 1, 2] (size=10) 1. How to specify that the array is unique? 2. How to guarantee that the generated array is unique?
Some items can be enumerated, like @s[1, 2, 1, 2]
Some items can be generated, like @s [1, 2, 1, 2] (size=10)