题解 | #字符串加密#

const readline = require("readline");

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout,
});
let secreatWord = "";
rl.on("line", function (line) {
    if (!secreatWord) {
        secreatWord = line;
    } else {
        const charTable = "A B C D E F G H I J K L M N O P Q R S T U V W X Y Z";
        let officialChars = charTable.split(" ").map((a) => a.toLowerCase());
        let handledTable = secreatWord
            .split("")
            .filter((s, i, arr) => arr.indexOf(s) === i); // 需要去重
        let targetIndexs = new Array(line.length);
        for (let i = 0; i < officialChars.length; i++) {
            const current = officialChars[i];
            if (!handledTable.includes(current)) {
                handledTable.push(current);
            }
            for (let j = 0; j < line.length; j++) {
                if (line[j] === current) {
                    targetIndexs[j] = i;
                }
            }
        }
        console.log(
            targetIndexs.reduce((acc, cur) => acc + handledTable[cur], "")
        );
    }
});