JS+正则表达式 let a = readline().split(';') let [x, y] = [0, 0] let reg = /^[A,D,W,S][0-9]{1,2}$/ for (let i = 0; i < a.length; i++) { if (reg.test(a[i])) { // console.log(a[i]) let num = parseInt(a[i].slice(1)) switch (a[i].charAt(0)) { case 'A': x -= num break ...