题解 | #坐标移动#

const readline = require("readline");

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout,
});
rl.on("line", function (line) {
    const tokens = line.split(";");

    // 定义零点坐标 x，y
    const point = [0, 0];
    // 定义位移
    const move = {
        A: -1,
        S: -1,
        D: 1,
        W: 1,
    };

    for (let i = 0; i < tokens.length; i++) {
        // 不符合要求的就跳过
        if (!/^[ADWS][0-9]{1,2}$/.test(tokens[i])) continue;
        if (tokens[i].includes("A") || tokens[i].includes("D"))
            point[0] += move[tokens[i].slice(0, 1)] * tokens[i].slice(1);
        if (tokens[i].includes("W") || tokens[i].includes("S"))
            point[1] += move[tokens[i].slice(0, 1)] * tokens[i].slice(1);
    }

    console.log(point.join(","));
});