Ponchimeow/Practice

電費系統

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Lidemy,OJ 電費系統

function pc(S) {
  const arr = S.split(' ');
  let res = 0;
  for (let i = 0; i < arr.length; i += 1) {
    if (arr[i] < arr[i + 1]) {
      res += (arr[i + 1] - arr[i]) * 20;
    } else if (arr[i] > arr[i + 1]) {
      res += (arr[i] - arr[i + 1]) * 10;
    }
  }
  return res;
}