题解 | 多组_带空格的字符串_T组形式

package main

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

func main() {
    reader := bufio.NewReader(os.Stdin)
    writer := bufio.NewWriter(os.Stdout)
    defer writer.Flush()
    t := 0
    fmt.Fscan(reader,&t)
    reader.ReadBytes('\n')
    for i := 0;i<t;i++{
        reader.ReadBytes('\n')
        s,_ := reader.ReadString('\n')
        s = strings.ReplaceAll(s," ","")
        s = strings.TrimSpace(s)
        ans := []rune(s)
        for left,right := 0,len(ans)-1;left<right;{
            ans[left],ans[right] = ans[right],ans[left]
            left++
            right--
        }
        fmt.Fprintln(writer,string(ans))
    }
}