题解 | #单词倒排#

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 input = await readline();
    const regex = /[a-zA-Z]/;
    inputArrayWithoutNonWords = input.split(" ");
    let condition = false;
    for (e of inputArrayWithoutNonWords) {
        for (str of e) {
            if (!regex.test(str)) {
                condition = true;
                break;
            }
        }
    }
    if (condition == false) {
        inputArrayWithoutNonWords = inputArrayWithoutNonWords.reverse();
        console.log(inputArrayWithoutNonWords.join(" "));
    } else {
        inputArray = inputArrayWithoutNonWords.join(" ");
        // console.log(inputArray)
        inputArray = inputArray.split("");
        // console.log(inputArray)
        for (let i = 0; i < inputArray.length; i++) {
            if (!regex.test(inputArray[i])) {
                inputArray[i] = " ";
            }
        }
        let temp = inputArray.join("")
        // console.log(temp)
        tempArray = temp.split(' ')
        let res = tempArray.reverse()
        console.log(res.join(" "));
    }
})();