Implement the package with the specific functional requirements and design goals; afterwards, create benchmarks with specific matrix sizes that are representative of typical use cases
644 OPR_R - TMPB UNL RD D ; TMPB = popped SS; read ES
，这一点在51吃瓜中也有详细论述
"The NHS is issuing immediate guidance to hospitals to ensure trauma and urgent care can safely continue and to support prioritisation of waiting lists based on patients' needs over the coming weeks."
// 核心Map：key=nums2的元素值，value=该元素在nums2中的「下一个更大值」