package main //必须有个main包

import "fmt"
import "math/rand"
import "time"

func main() {
	//设置种子， 只需一次
	rand.Seed(time.Now().UnixNano())

	var a [10]int
	n := len(a)

	for i := 0; i < n; i++ {
		a[i] = rand.Intn(100) //100以内的随机数
		fmt.Printf("%d, ", a[i])
	}
	fmt.Printf("\n")

	//冒泡排序，挨着的2个元素比较，升序（大于则交换）
	for i := 0; i < n-1; i++ {
		for j := 0; j < n-1-i; j++ {
			if a[j] > a[j+1] {
				a[j], a[j+1] = a[j+1], a[j]
			}
		}
	}

	fmt.Printf("\n排序后:\n")
	for i := 0; i < n; i++ {
		fmt.Printf("%d, ", a[i])
	}
	fmt.Printf("\n")
}

62, 88, 48, 10, 70, 74, 89, 19, 67, 41, 

排序后:
10, 19, 41, 48, 62, 67, 70, 74, 88, 89,