22 lines
526 B
Plaintext
22 lines
526 B
Plaintext
(setq *D
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(quote
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(0 3 1 7 5 9 8 6 4 2)
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(7 0 9 2 1 5 4 8 6 3)
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(4 2 0 6 8 7 1 3 5 9)
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(1 7 5 0 9 8 3 4 2 6)
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(6 1 2 3 0 4 5 9 7 8)
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(3 6 7 4 2 0 9 5 8 1)
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(5 8 6 9 7 2 0 1 3 4)
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(8 9 4 5 3 6 2 0 1 7)
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(9 4 3 8 6 1 7 2 0 5)
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(2 5 8 1 4 3 6 7 9 0) ) )
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(de damm? (N)
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(let R 1
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(for N (mapcar format (chop N))
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(setq R (inc (get *D R (inc N)))) )
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(= 1 R) ) )
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(println (damm? 5724))
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(println (damm? 5727))
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(println (damm? 112946))
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(println (damm? 112940))
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