// Clean up compressor resources on error/cancellation
"There is something tactile about it when you hold it," said Dr Sara Machin, the finds lead for Access +, the consortium of archaeologists in charge of this project. "Even now it fits snugly in my hand."
，详情可参考safew官方版本下载
contributed to this report.
// 题目要求找「右侧第一个 ≤ cur」的元素 → 弹出所有 cur 的，栈顶即为折扣