package q1441

const (
	PUSH = "Push"
	POP  = "Pop"
)

func buildArray(target []int, n int) []string {
	ret := []string{}
	last := 0
	for _, num := range target {
		for range num - last - 1 {
			ret = append(ret, PUSH, POP)
		}
		ret = append(ret, PUSH)
		last = num
	}
	return ret
}

var _ = buildArray