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()){
        let coords = line.split(';');
        let [x, y] = [0,0];
        for(const coord of coords){
            if(/^[ADSW]{1}[\d]{1,2}$/.test(coord)){
                switch(coord.charAt(0)){
                    case 'A':{
                        x-=parseInt(coord.substring(1));
                        break;
                    }
                    case 'D':{
                        x+=parseInt(coord.substring(1));
                        break;
                    }
                    case 'W':{
                        y+=parseInt(coord.substring(1));
                        break;
                    }
                    case 'S':{
                        y-=parseInt(coord.substring(1));
                        break;
                    }
                }
            }
        }
        console.log(x+','+y);
    }
}()