Option 1: The system can update the cost of that specific shortcut in the base graph and quickly re-run the Dijkstra search (Step 2) on the abstract graph to find an alternative high-level path.
The EU Space Surveillance and Tracking centre (SST) said one fragment - believed to be the lander - "most likely" re-entered the atmosphere at about 06:16 GMT (07:16 BST) on Saturday.
，这一点在safew官方下载中也有详细论述
Израиль нанес удар по Ирану09:28
* @param {number[]} nums1 - 待查询的数组（元素均为nums2的子集）