Double-Array Build
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jojonki
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Slide 1
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0 0 0 0 0 0 0 0 0 0 0 0 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc ߏஙͯ͠ΈΑ͏ʂ 0 0 7
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0 0 0 0 0 0 0 0 0 0 0 0 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “a#”Λొʂ base[1] >= 1ͷ݅Ͱɼ base[1]+code(a) == ະ༻index Λ୳͢ base0ະ༻Λද͢ͷͰ 1Ҏ্Ληοτ͢Δඞཁ͕͋Δ 0 0 7
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1 0 0 0 0 0 0 0 0 0 0 0 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “a#”Λొʂ base[1] == 1ͷ࣌ɼbase[1]+code(a) == 2 index 2ະ༻ͳͷͰOK! 0 0 7
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1 0 0 0 0 0 0 0 0 0 0 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “a#”Λొʂ index 1͕ભҠݩͳͷͰɼcheck[2]=1Ληοτ 0 0 7
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1 0 0 0 0 0 0 0 0 0 0 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “a#”Λొʂ aͷ࣍ऴจࣈ#Λొ͢Δ base[2] >= 1ͷ݅Ͱɼbase[2]+code(#) == ະ༻index Λ୳͢ 0 0 7
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1 0 0 0 0 3 0 0 0 0 0 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “a#”Λొʂ base[2] == 3ͷ࣌ɼbase[2]+code(#) == 3 index 3ະ༻ͳͷͰOK! 0 0 7
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1 0 0 0 0 3 0 0 0 0 2 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “a#”Λొʂ Index 2͕ભҠݩͳͷͰɼcheck[3]=2Ληοτ 0 0 7
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1 0 0 0 -1 3 0 0 0 0 2 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “a#”Λొʂ ऴจࣈΛొͨ͠ͷͰ baseΛ-1ʹͯ͠ऴྃ base0ະ༻index baseΛ-1ऴϊʔυΛҙຯ͢Δ 0 0 7
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1 0 0 0 -1 3 0 0 0 0 2 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ base[1]طʹηοτࡁΈͳͷͰ Index (base[1]+code(b))͕ະ༻or check͕ਖ਼͍͔͠νΣοΫ 0 0 7
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1 0 0 0 -1 3 0 0 0 0 2 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ check[3] != 1ͳͷͰବʂίϯϑϦΫτ͕ൃੜ… base[1]Γ͠ 0 0 7
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1 0 0 0 -1 3 0 0 0 0 2 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ index 1Λʹ࣋ͭϊʔυΛͯ͢୳͢ index 2͕֘ 0 0 7
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1 0 0 0 -1 3 0 0 0 0 2 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ 2 (index൪߸) - check[2] = 1 == code(a) ͭ·Γindex 2ɼindex 1͔ΒaΛొͨ͠ભҠ 0 0 7
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0 0 0 0 -1 3 0 0 0 0 2 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ ΑͬͯɼaͱbΛindex 1͔Βొ͢Δඞཁ͕͋Δ base[1]Λ·ͣ0Ϧηοτʂ aͷݩભҠઌޙͰ͏ͷͰ͓֮͑ͯ͘ 0 0 7
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? 0 0 0 -1 3 0 0 0 0 2 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ base[1] >= 1ͷ݅Ͱɼbase[1]+code(a) ͱbase[1]+code(b)͕ ͍ͣΕະ༻ͳindexͱͳΔΛ୳͢ 0 0
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3 0 0 0 -1 3 0 1 0 1 2 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ base[1] = 3ͱ͢Δͱɼa, b͍ͣΕొͰ͖ͦ͏ͩ bͷભҠ aͷભҠ 0 0 7
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3 0 0 3 -1 3 0 1 0 1 2 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ a͕͚มΘͬͨͷͰɼݩભҠઌ͔ΒbaseΛίϐʔ aͷݩભҠઌ aͷ৽ભҠઌ 0 0 7
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3 0 0 3 -1 3 0 1 0 1 2 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ aͷݩભҠઌΛʹ࣋ͭϊʔυΛͯ͢୳͢ index 3͕֘ aͷݩભҠઌ aͷ৽ભҠઌ 0 0 7
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3 0 0 3 -1 3 0 1 0 1 4 1 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ aindex 4ʹҠͬͨͷͰɼ ϊʔυͷॴʢcheckʣΛ4ʹߋ৽ aͷݩભҠઌ aͷ৽ભҠઌ 0 0 7
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3 0 0 3 -1 0 0 1 0 1 4 0 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ aͷݩભҠઌͷbaseͱcheck ৽ભҠઌʹҠߦͰ͖ͨͷͰϦηοτ ͜ΕͰίϯϑϦΫτΛղফͰ͖ͨ aͷݩભҠઌ aͷ৽ભҠઌ 0 0 7
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3 0 0 3 -1 0 0 1 0 1 4 0 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ ొ࡞ۀʹΔ b·ͰొͰ͖͍ͯͨͷͰcΛొ bͷભҠઌ 0 0 7
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3 0 0 3 -1 0 0 1 0 1 4 0 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ base[5] >= 1ͷ݅Ͱɼ base[5]+code(c) == ະ༻index Λ୳͢ 0 0 7
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3 3 0 3 -1 0 0 1 0 1 4 0 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ base[5] == 3ͷ࣌ɼbase[5]+code(c) == 6 index 6ະ༻ͳͷͰOK! 0 0 7
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3 3 0 3 -1 0 0 1 5 1 4 0 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ index 5͕ભҠݩͳͷͰɼcheck[6]=7Ληοτ 0 0 7
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3 3 0 3 -1 0 0 1 5 1 4 0 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ base[6] >= 1ͷ݅Ͱɼ base[6]+code(#) == ະ༻index Λ୳͢ 0 0 7
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3 3 7 3 -1 0 0 1 5 1 4 0 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ base[6] == 7ͷ࣌ɼbase[6]+code(#) == 6 index 6ະ༻ͳͷͰOK! 0 0 7
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6 3 3 7 3 -1 0 0 1 5 1 4 0 base check index 1 2 5 4 6 3 จࣈίʔυ #: 0 a: 1 b: 2 c: 3 ޠኮࣙॻ a bc “bc#”Λొʂ check[7]ʹભҠݩindex 6Ληοτ ऴจࣈͳͷͰbase[7]ʹ-1Ληοτͯ͠ऴྃ -1 7