题解 | #坐标移动#
坐标移动
https://www.nowcoder.com/practice/119bcca3befb405fbe58abe9c532eb29
const rl = require("readline").createInterface({ input: process.stdin }); var iter = rl[Symbol.asyncIterator](); const readline = async () => (await iter.next()).value; void (async function () { let dir = new Set(["W", "S", "A", "D"]); let coord = { x: 0, y: 0 }; // Write your code here while ((line = await readline())) { line = line.split(";"); line = line.filter((v) => { return v.length <= 3 && v.length >= 2; }); line.forEach(v => { let d = v[0], num = v.slice(1, v.length); if (dir.has(d) && !isNaN(num) && isFinite(num)) { num = parseInt(num); switch (d) { case "W": coord.y += num; break; case "S": coord.y -= num; break; case "A": coord.x -= num; break; case "D": coord.x += num; break; } } }); } console.log(coord.x + "," + coord.y); })();