package main
import (
"fmt"
)
func reverseWord(word string) string {
b := 0
e := len(word)-1
o := []byte(word)
for {
t := o[b]
o[b] = o[e]
o[e] = t
b++
e--
if (b >= e) {
break
}
}
return string(o)
}
func reverseString(str string) string {
out := ""
tmp := []byte{}
ln := len(str)-1
for i, v := range str {
if i == ln {
tmp = append(tmp, str[i])
out += reverseWord(string(tmp))
tmp = tmp[:0]
break
} else if v == ' ' {
out += reverseWord(string(tmp))
out += " "
tmp = tmp[:0]
} else {
tmp = append(tmp, str[i])
}
}
return reverseWord(out)
}
func main() {
fmt.Println(reverseWord("world"))
fmt.Println(reverseString("hello world"))
}
