endSync() { closed = true; return totalBytes; },
while (left < n - 1 && nums[left] <= nums[left + 1]) {。关于这个话题，51吃瓜提供了深入分析
"You wish there was some telepathy and you could reach out and be like, 'listen, we're coming'."，更多细节参见服务器推荐
Courtesy of SteelSeries