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3VCZͷϋογϡςʔϒϧ
ߴԽΛཧղ͢Δ
/BP.JOBNJ !TPVUI
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ࣗݾհ
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/BP.JOBNJ!TPVUI
!NJOBNJP
4PGUXBSFFOHJOFFS
!8BOUFEMZ
*OD
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w 3VCZͱύϑΥʔϚϯε
w 3VCZͰͷϋογϡςʔϒϧߴԽͱͦͷԸܙ
w ߴԽͲ͏࣮ݱ͞Εͨͷ͔ʁ
w ·ͱΊ
ࠓ͢༰
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w 3VCZͱύϑΥʔϚϯε
w 3VCZͰͷϋογϡςʔϒϧߴԽͱͦͷԸܙ
w ߴԽͲ͏࣮ݱ͞Εͨͷ͔ʁ
w ·ͱΊ
ࠓ͢༰
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3VCZY
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w ·Ͱʹ3VCZഒ͘ͳΔCZ!NBU[
3VCZͱύϑΥʔϚϯε
w .VMUJ5ISFBE
+*5
FUD
w 3VCZY
w 3VCZͰͷϋογϡςʔϒϧߴԽ /&8
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w 3VCZͱύϑΥʔϚϯε
w 3VCZͰͷϋογϡςʔϒϧߴԽͱͦͷԸܙ
w ߴԽͲ͏࣮ݱ͞Εͨͷ͔ʁ
w ·ͱΊ
ࠓ͢༰
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ϋογϡςʔϒϧߴԽͱͦͷԸܙ
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ϋογϡςʔϒϧߴԽͱͦͷԸܙ
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ϋογϡςʔϒϧߴԽͱͦͷԸܙ
w 36#:#&/$)
w ߴԽ
w ϝϞϦ༻ྔݮ
1000000.times.map{|i| a={}; 8.times{|j| a[j]=j}; a}
IUUQTSVCZCFODIPSHSVCZSVCZSFMFBTFT SFTVMU@UZQFIBTI@TNBMM
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ϋογϡςʔϒϧߴԽͱͦͷԸܙ
w QJDP@IUUQ@QBSTFS
w ߴԽ
IUUQLB[FCVSPIBUFOBCMPHDPNFOUSZ
ʜ3VCZ
੨ʜ3VCZQSF
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ܶతʹ͘ͳͬͯΔ
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w 3VCZͱύϑΥʔϚϯε
w 3VCZͰͷϋογϡςʔϒϧߴԽͱͦͷԸܙ
w ߴԽͲ͏࣮ݱ͞Εͨͷ͔ʁ
w ·ͱΊ
ࠓ͢༰
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ߴԽͲ͏࣮ݱ͞Εͨͷ͔ʁ
w ϋογϡςʔϒϧͷিಥ࣌ͷڍಈΛมߋ
$IBJOJOH 0QFO"ESFTTJOH
w ϙΠϯτʮσʔλͷہॴੑͷ্ʯ
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σʔλͷہॴੑͳͥॏཁ͔
w 1SPDFTTPSʹଟஈΩϟογϡ͕ଘࡏ
w ΩϟογϡʹIJU͢ΔͱύϑΥʔϚϯε্
$16
L#
.BJO.FNPSZ
-$BDIF
-$BDIF
-$BDIF
.#
(#
L#
#
dOT
IUUQTUBDLPWFSqPXDPNRVFTUJPOTBQQSPYJNBUFDPTUUPBDDFTTWBSJPVTDBDIFTBOENBJONFNPSZ
dOT
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σʔλͷہॴੑͳͥॏཁ͔
w 1SPDFTTPSʹଟஈΩϟογϡ͕ଘࡏ
w σʔλͷہॴੑ͕ॏཁ
$16
L#
.BJO.FNPSZ
-$BDIF
-$BDIF
-$BDIF
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(#
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dOT
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dOT
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0QFO"ESFTTJOHͰσʔλͷہॴੑ্͕͕Δͷͳͥʁ
w $IBJOJOH
0QFO"ESFTTJOHͭͷΞϧΰϦζϜΛൺֱ
w ૬ҧϋογϡςʔϒϧͷিಥ࣌ͷڍಈ
w $IBJOJOH࿈݁ϦετΛḷͬͯ୳ࡧ
w 0QFO"ESFTTJOH"SSBZ্ͰJOEFYΛม͑ͯ୳ࡧ
w ڞ௨
w ϋογϡςʔϒϧLFZͷIBTIΛJOEFYʹར༻
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$IBJOJOHͷΈ
w UBCMF࿈݁ϦετͷϙΠϯλΛอ࣋
w ಉ͡IBTIΛ࣋ͭ߹ɺ࿈݁ϦετΛḷΔ
IUUQXXXBMHPMJTUOFU%BUB@TUSVDUVSFT)BTI@UBCMF$IBJOJOH
FOUSZ
UBCMF
LFZ
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$IBJOJOHͷ
w ࿈݁ϦετͷFOUSZɺNFNPSZ্ͰΕͯஔ
w σʔλͷہॴੑ͕͍
FOUSZ
UBCMF
LFZ
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3VCZҎલͷ$IBJOJOH
w ํϦετʹͳ͓ͬͯΓɺσʔλͷہॴੑ͕͍
͚ͩͰͳ͘QSFWϙΠϯλͳͲͷ͚ͩFOUSZͷσʔ
λ͕Ͱ͔͍ͷ
IUUQTEFWFMPQFSTSFEIBUDPNCMPHUPXBSETGBTUFSSVCZIBTIUBCMFT
UBCMF FOUSZ FOUSZ
FOUSZ
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3VCZҎલͷ$IBJOJOH
w ํϦετʹͳ͓ͬͯΓɺσʔλͷہॴੑ͕͍
͚ͩͰͳ͘QSFWϙΠϯλͳͲͷ͚ͩFOUSZͷσʔ
λ͕Ͱ͔͍ͷ
IUUQTEFWFMPQFSTSFEIBUDPNCMPHUPXBSETGBTUFSSVCZIBTIUBCMFT
UBCMF FOUSZ FOUSZ
FOUSZ
͍
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0QFO"ESFTTJOHͷΈ
w UBCMFFOUSZͷQPJOUFSΛอ࣋
w ಉ͡IBTIΛ࣋ͭ߹ɺJOEFYΛͣΒ͢
FOUSZ
UBCMF
LFZ
IUUQXXXBMHPMJTUOFU%BUB@TUSVDUVSFT)BTI@UBCMF0QFO@BEESFTTJOH
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3VCZͷ0QFO"ESFTTJOH
UBCMF
FOUSJFT
TUBSU CPVOE
w UBCMF
FOUSJFT͕྆ํ"SSBZʹͳ͓ͬͯΓσʔλͷہॴ
ੑ͕ߴ͘ɺͭͭͷFOUSZͷσʔλαΠζখ͍͞
IUUQTEFWFMPQFSTSFEIBUDPNCMPHUPXBSETGBTUFSSVCZIBTIUBCMFT
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3VCZͷ0QFO"ESFTTJOH
UBCMF
FOUSJFT
TUBSU CPVOE
w UBCMF
FOUSJFT͕྆ํ"SSBZʹͳ͓ͬͯΓσʔλͷہॴ
ੑ͕ߴ͘ɺͭͭͷFOUSZͷσʔλαΠζখ͍͞
ߴԽ
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3VCZͰߋʹࡉ͔͘࠷దԽ
w ͕݅গͳ͍࣌ͷ࠷దԽʢলϝϞϦɺߴԽʣ
w ͕݅গͳ͍࣌BSSBZͭͰMJOFBSTFBSDI
w ͕݅গͳ͍࣌CJU
CJUͳͲͰJOEFYΛදݱ
w 'VMMDZDMFMJOFBSDPOHSVFOUJBMHFOFSBUPSΛ
TFDPOEBSZIBTIͱͯ͠ར༻
w ߴ͔ͭIBTIͱͯ͠ͷੑೳྑ͍
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w 3VCZͱύϑΥʔϚϯε
w 3VCZͰͷϋογϡςʔϒϧߴԽͱͦͷԸܙ
w ߴԽͲ͏࣮ݱ͞Εͨͷ͔ʁ
w ·ͱΊ
ࠓ͢༰
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·ͱΊ
w 3VCZϋογϡςʔϒϧ͕ܶతʹߴԽɻ࣮ࡍ
ʹΞϓϦέʔγϣϯߴԽɻ
w 3VCZʹͯ͠շదͳ3VCZϥΠϑΛૹΖ͏ʂ
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ࢀߟϦϯΫ
w 3VCZϦϦʔε
w IUUQTXXXSVCZMBOHPSHKBOFXT
SVCZSFMFBTFE
w 'FBUVSF)BTIUBCMFTXJUIPQFOBESFTTJOH
w IUUQTCVHTSVCZMBOHPSHJTTVFT
w 5PXBSET'BTUFS3VCZ)BTI5BCMFT
w IUUQTEFWFMPQFSTSFEIBUDPNCMPHUPXBSET
GBTUFSSVCZIBTIUBCMFT