Philosopher’s Walk+dfs+座標變換

Philosopher’s Walk 時間限制: 1 Sec  內存限制: 128 MB 提交: 71  解決: 34 [提交] [狀態] [討論版] [命題人:admin] 題目描述 In Programming Land, there are several pathways called Philosopher’s Walks for philosophers to have a rest.

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