ArtWork+並查集二維

問題 A: ArtWork 時間限制: 4 Sec  內存限制: 128 MB 提交: 18  解決: 6 [提交] [狀態] [討論版] [命題人:外部導入] 題目描述 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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