1930.swift

func buildArray(_ nums:[Int])->[Int]{
varresult:[Int]=[]

foriin0..<nums.count {
 result.append(nums[nums[i]])
}

return result
}

lettest1=[0,2,1,5,3,4]
lettest2=[5,0,1,2,3,4]

print(buildArray(test1)) // [0,1,2,4,5,3]
print(buildArray(test2)) // [4,5,0,1,2,3]