题解 | #坐标移动#

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())) {
        var a = line.split(";");
        var b = [];
        var reg = /^(A|D|W|S){1}[0-9]{1,2}$/;
        for (var i = 0; i < a.length; i++) {
            if (reg.test(a[i])) {
                b.push(a[i]);
            }
        }
        // console.log(b);

        var x = 0;
        var y = 0;
        for (var i = 0; i < b.length; i++) {
            var c = b[i].charAt(0);
            var move = Number(b[i].substring(1, 3));
            switch (c) {
                case "A":
                    x -= move;
                    break;
                case "S":
                    y -= move;
                    break;
                case "D":
                    x += move;
                    break;
                case "W":
                    y += move;
                    break;

                default:
                    break;
            }
        }
        console.log(x + "," + y);
    }
})();