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 tokens = line.split(';');
        let reg = /^[ADSW]\d{1,2}$/g
        const coord = [0, 0]
        for(let i of tokens) {
            let res = i.match(reg)
            if(res != null) {
                let val = parseInt(res[0].slice(1))
                switch(res[0][0]) {
                    case 'A': {
                        coord[0] -= val;
                        break;
                    }
                    case 'D': {
                        coord[0] += val;
                        break;
                    }
                    case 'W': {
                        coord[1] += val;
                        break;
                    }
                    case 'S': {
                        coord[1] -= val;
                        break;
                    }
                }
            }
        }
        console.log(coord[0] + ',' + coord[1])

    }
}()