题解 | #坐标移动#

const readline = require('readline');

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
});
rl.on('line', function (line) {
    let data = line.split(';');
    let newArr = data.filter(function(item) {
        return (/^[WASD]\d{1,2}$/.test(item))
    })
    let target = [0, 0]
    newArr.map(item => {
    let temp = item
    switch(temp[0]) {
      case 'A' :
        target[0] -= Number(temp.slice(1, 10000))
        break;
      case 'D' :
        target[0] += Number(temp.slice(1, 10000))
        break;
      case 'W' :
        target[1] += Number(temp.slice(1, 10000))
        break;
      case 'S' :
        target[1] -= Number(temp.slice(1, 10000))
        break;
    }
  })
    console.log(target.join(','))
});