Why did they plan to flood farmland?
第三十七条 爆炸性、毒害性、放射性、腐蚀性物质或者传染病病原体等危险物质被盗、被抢或者丢失，未按规定报告的，处五日以下拘留；故意隐瞒不报的，处五日以上十日以下拘留。
。爱思助手下载最新版本对此有专业解读
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.
cur = conn.cursor()