public/subjects/countstars

CountStars

Instructions

Write a function called CountStars that counts the stars up to a number given as an argument.

• If the number is negative or equal to 0, return "No stars"
• No need to manage overflow.

Expected Function

func CountStars(num int) string {

}

Usage

Here is a possible program to test your function :

package main

import "fmt"

func main() {
	fmt.Println(CountStars(5))
	fmt.Println(CountStars(4))
	fmt.Println(CountStars(-1))
	fmt.Println(CountStars(1))
}

And its output :

$ go run . 
1 star...2 stars...3 stars...4 stars...5 stars
1 star...2 stars...3 stars...4 stars
No stars
1 star