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
    while ((line = await readline())) {
        let str = "";
        let arr = [];

        for (let i = 0; i < line.length; i++) {
            if (
                (line[i] >= "a" && line[i] <= "z") ||
                (line[i] >= "A" && line[i] <= "Z")
            ) {
                str = str.concat(line[i]);
            } else if (str !== "") {
                arr.push(str);
                str = "";
            }
            if(i===line.length-1)arr.push(str);
        }

        str = "";
        for(let i = arr.length-1;i>=0;i--){
            str=str.concat(arr[i]," ");
        }
        console.log(str);
    }
})();