package main
 
import (
	"fmt"
	"time"
	"math/rand"
	"sort"
)
 
const ARRAY_LENGTH = 100
 
func f(n int, r chan int) {
	time.Sleep(time.Duration(n) * time.Millisecond)
	r <- n
}
 
func main() {
	a := []int{}
	for i:=0; i<ARRAY_LENGTH; i++ {
		a = append(a, rand.Intn(ARRAY_LENGTH * 100))
	}
 
	r := make(chan int)
 
	for _, i := range a {
		go f(i, r)
	}
 
	b := []int{}
	for _ = range a {
		b = append(b, <-r)
	}
 
	fmt.Println("is sorted?", sort.IntsAreSorted(b))
}

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