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 () {
    const line = await readline();
    let word = "",
        list = [];
    for (const c of line) {
        if ((c >= "a" && c <= "z") || (c >= "A" && c <= "Z")) {
            word += c;
        } else if (word.length) {
            list.unshift(word);
            word = "";
        }
    }
    if (word.length) list.unshift(word);
    console.log(list.join(" "));
})();