题解 | 多组_带空格的字符串_T组形式

package main

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

func main() {
	reader := bufio.NewReader(os.Stdin)
	line, _ := reader.ReadString('\n')
	part := strings.Split(strings.TrimSpace(line), " ")
	t, _ := strconv.Atoi(part[0])
	for k := 0; k < t; k++ {
		line, _ = reader.ReadString('\n')
		part := strings.Split(strings.TrimSpace(line), " ")
		n, _ := strconv.Atoi(part[0])
		line, _ := reader.ReadString('\n')
		runes := []rune(strings.ReplaceAll(strings.TrimSpace(line)," ",""))
		n = len(runes)
		for i := 0; i < n/2; i++ {
			runes[i], runes[n-i-1] = runes[n-i-1], runes[i]
		}
		fmt.Println(string(runes))
	}

}

runes := []rune(strings.ReplaceAll(strings.TrimSpace(line)," ",""))

这里嵌套的原因是，strings.TrimSpace只能消除字符串两端的空格、换行、制表符等，内部的无法处理，需要额外处理