package q1470

func shuffle(nums []int, n int) []int {
	ret := make([]int, n*2)
	for i, num := range nums[:n] {
		ret[i*2] = num
	}
	for i, num := range nums[n : n*2] {
		ret[i*2+1] = num
	}
	return ret
}

var _ = shuffle