题解 | #单词倒排#

package main

import (
	"bufio"
	"fmt"
	"os"
	"strings"
)

func main() {
	input := bufio.NewScanner(os.Stdin)
	for input.Scan() {
		str := []byte(input.Text())
		for i := range str {
			if !(str[i] >= 'a' && str[i] <= 'z') && !(str[i] >= 'A' && str[i] <= 'Z') && str[i] != ' '{
				str[i] = ' '
			}
		}
	  //切分
		l := strings.Split(string(str), " ")
	  //倒序输出
		for i := len(l); i > 0; i-- {
			fmt.Print(l[i-1]+" ")
		}
	}
}