题解 | #多组_带空格的字符串_T组形式#

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;

void async function () {
    // Write your code here
    let groupCount = 0
    let currentGroup = 0
    while(line = await readline()){
        let tokens = line.split(' ');
        if (0 === groupCount) {
            groupCount = parseInt(tokens[0], 10)
        } else if (0 === currentGroup) {
            currentGroup = parseInt(tokens[0], 10)
        } else {
            currentGroup = 0
            let inputStr = ''
            tokens.reverse().forEach((item) => {
                inputStr = inputStr + item.split('').reverse().join('')
            })            
            console.log(inputStr)
        }
    }
}()