The algorithm walks the tree recursively. At each node, it checks: does this node's bounding box overlap with the query rectangle? If not, the entire subtree gets pruned (skipped). If it does overlap, it tests the node's points against the query and recurses into the children.
12:28, 27 февраля 2026Россия
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// 2. 维护单调递减栈：弹出所有≤当前价格的索引（这些索引对应的价格无法成为后续价格的「上一个更大值」）
2021—2025年度，因退市和主业调整，共有11 个行业的企业数量减少。其中，建筑业、采矿业、租赁和商务服务业、金融业、卫生和社会工作、住宿和餐饮业披露研发人员的企业数量逆势增长；房地产业和教育业的数值维持不变，与入库企业数量同步减少的行业仅有3个。