[詰棋] Perfect clear and parity?
問題地點: 10格寬之Tetris
說明:
在整理精華區過程中收到perfect clear部分,在檢查的時候發現
一件想不通的事。
之前的PC開局,七方塊如下
▓▓▓▓▓▓ |
▓▓▓▓▓▓▓ |
▓▓▓▓▓▓▓▓ |
▓▓▓▓▓▓▓ |
另外,在方塊佔去之位置上(parity),T塊是唯一3:1(不對稱)的方塊
▓▓▓▓
▓▓▓▓
▓▓▓▓
▓▓▓▓
然後每次消行都必消去對稱偶奇性之數目(十格5:5),可是此開局卻可
不必經過含有T的組合而消掉(ex. OJI),為什麼?
ps. 本來要問問題的,打到結尾忽然就懂了,我決定把它當詰棋XD
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推
08/19 21:06, , 1F
08/19 21:06, 1F
推
08/19 22:16, , 2F
08/19 22:16, 2F
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08/19 22:17, , 3F
08/19 22:17, 3F
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08/19 22:17, , 4F
08/19 22:17, 4F
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08/19 23:18, , 5F
08/19 23:18, 5F
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08/19 23:19, , 6F
08/19 23:19, 6F
推
08/20 00:02, , 7F
08/20 00:02, 7F
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08/20 00:05, , 8F
08/20 00:05, 8F
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08/20 00:05, , 9F
08/20 00:05, 9F
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08/20 00:09, , 10F
08/20 00:09, 10F
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08/20 00:19, , 11F
08/20 00:19, 11F
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08/20 00:20, , 12F
08/20 00:20, 12F
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08/20 00:20, , 13F
08/20 00:20, 13F
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08/20 00:23, , 14F
08/20 00:23, 14F
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08/20 01:44, , 15F
08/20 01:44, 15F
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08/20 07:12, , 16F
08/20 07:12, 16F
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08/20 10:28, , 17F
08/20 10:28, 17F
推
08/20 10:32, , 18F
08/20 10:32, 18F
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