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Verified using verify.py with --seed 2025,详情可参考91视频
BookmarkBookmarkSubscribeSubscribe。关于这个话题,Line官方版本下载提供了深入分析
Step through the construction below. Each time a new point is inserted, watch the tree decide whether it needs to split a region:,更多细节参见safew官方版本下载
// 3. 计算当日跨度:跨度 = 当前索引 - 上一个更大值的索引(栈空则为i+1)