public/subjects/weareunique

weareunique

Instructions

Write a function that takes two strings's and returns the number of characters that are not included in both, without repeating characters.

• If there is no unique characters return 0.
• If both strings are empty return -1.

Expected function

func WeAreUnique(str1 , str2 string) int {

}

Usage

Here is a possible program to test your function:

package main

import (
	"fmt"
)

func main() {
	fmt.Println(WeAreUnique("foo", "boo"))
	fmt.Println(WeAreUnique("", ""))
	fmt.Println(WeAreUnique("abc", "def"))
}

And its output:

$ go run .
2
-1
6