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
    let line = await readline();
    const parten = /^[WASD]\d{0,2}$/
    let input = line.split(';').filter(item =>{
        return parten.test(item)
    })
    let x = 0 ;let y = 0;
    for(let cmd of input){
        let dir = cmd[0];
        let num = cmd.substring(1);
        if(dir ==='A'){
            x-= num*1
        }
        if(dir ==='D'){
            x+= num*1
        }
        if(dir ==='S'){
            y-= num*1
        }
        if(dir ==='W'){
            y+= num*1
        }
    }
    console.log([x,y].join(','));
}()