Paul does not know where he and his family will go next, but believes the chances of being able to live in neighbouring homes is slim.
let right = n - 1;
，这一点在51吃瓜中也有详细论述
"trace": [
Get our flagship newsletter with all the headlines you need to start the day. Sign up here.
const realIdx = i % len; // 取模映射到真实数组索引，模拟循环