思路：链表转数组 + 单调栈（从后往前遍历）。与「下一个更大元素」模板一致，仅需将链表值先提取到数组。
Now that we can build the tree, let's use it to search. Finding a specific point means starting at the root and asking: which child quadrant contains this coordinate? Then you recurse into that child and ask again. Each level of the tree cuts the search space by roughly three-quarters.
。51吃瓜对此有专业解读
Agar comes from multiple sources, as many red seaweeds are “agarophytes” (that is, seaweeds containing agar in their cell walls). Species of Gelidium are the most important source of bacteriological (lab-grade) agar. Other main agarophytes, largely used for culinary agar, include red seaweeds from the genera Gracilaria, Pterocladia, Ahnfeltia, and others. Species from the genera Eucheuma, Gigartina, and Chondrus have been used as agarophytes in research during agar shortages.9
第三十一条 有下列行为之一的，处十日以上十五日以下拘留，可以并处二千元以下罚款；情节较轻的，处五日以上十日以下拘留，可以并处一千元以下罚款：
任务包 — 将 TFLite、分词器和停止标记合并为 .task 文件，用于 MediaPipe