package main
import "fmt"

func main() {
    slice := []int{1, 2, 7, 6, 7, 9, 10, 11, 5, 3}
    for i := 0; i < len(slice) - 1; i++ {
        for j := 0; j < len(slice) - 1; j++ {
            if slice[j] < slice[j+1] {
                slice[j], slice[j + 1] = slice[j + 1], slice[j]
            }
        }
    }
    fmt.Println(slice)
}

好快乐好简洁