電費系統
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Ponchimeow commented
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;
}