ArtWork+并查集二维

问题 A: ArtWork 时间限制: 4 Sec  内存限制: 128 MB 提交: 18  解决: 6 [提交] [状态] [讨论版] [命题人:外部导入] 题目描述 A template for an artwork is a white grid of n × m squares. The artwork will be created by painting q horizontal a

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