题目：

题解：

func reconstructQueue(people [][]int) (ans [][]int) {
    sort.Slice(people, func(i, j int) bool {
        a, b := people[i], people[j]
        return a[0] > b[0] || a[0] == b[0] && a[1] < b[1]
    })
    for _, person := range people {
        idx := person[1]
        ans = append(ans[:idx], append([][]int{person}, ans[idx:]...)...)
    }
    return
}