6; 根据老万的启发，可以有这个结论：把区块按顺时针编号为1到N，奇数组的总面积等于偶数组的总面积

来源: monseigneur 于 2022-01-30 13:03:59 [旧帖] [给我悄悄话] 本文已被阅读：次

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