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!IBSVHVDIJ ڝٕϓϩάϥϛϯάͰݟΔ 3VCZͷ๛͔͞ େࡕ3VCZձٞɹ 4BU

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!IBSVHVDIJ wגࣜձࣾӬ࿨γεςϜϚωδϝϯτ wڭһˠ8FCΤϯδχΞ wڝϓϩྺ ೥

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ڝϓϩ "U$PEFS ͱ͸

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ೖྗˠग़ྗ ͳΜ͔͢Δ

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ͨͱ͑͹

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ͨͱ͑͹

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ͨͱ͑͹

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ͨͱ͑͹

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ࠓ೔ͷ࿩ ɾ"U$PEFSͷ໰୊໰ௐ΂·ͨ͠ ɾͦͷத͔Β໰঺հ

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େࣄʹ͍ͨ͠Ձ஋؍ Մಡੑ ֦ுੑ อकੑ

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Մಡੑ ֦ுੑ อकੑ ಡΈʹ͘͘ ෳࡶͰ୹͘ ໰୊ʹಛԽͨ͠ ίονʂʂ େࣄʹ͍ͨ͠Ձ஋؍

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໰୊ IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@ ))ͷ஋ΛٻΊ͍ͨ

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໰୊ IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@ ))ͷ஋ΛٻΊ͍ͨ ೖྗྫ 42 3 ग़ྗྫ 39

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໰୊ IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@ ))ͷ஋ΛٻΊ͍ͨ ೖྗྫ 42 3 ग़ྗྫ 39

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໰୊ IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@ ))ͷ஋ΛٻΊ͍ͨ

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ϙΠϯτ จࣈϦςϥϧ? joinͷΤΠϦΞε*

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ϙΠϯτ จࣈϦςϥϧ? joinͷΤΠϦΞε*

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ϙΠϯτ ίϚϯυͱ࣮ͯ͠ߦ evalͰअѱ͞Λԋग़

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IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@ ))ͷ஋ΛٻΊ͍ͨ ࠶ܝ ΋ͬͱ୹͘ॻ͚ΔΑͱ͍͏ਓ͕͍ͨΒڭ͍͑ͯͩ͘͞ ໰୊

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໰୊ ͭͷ୯ޠ͕ۭന۠੾ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠

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ೖྗྫ atcoder beginner contest IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ໰୊ ͭͷ୯ޠ͕ۭന۠੾ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠

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ೖྗྫ atcoder beginner contest IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ໰୊ ͭͷ୯ޠ͕ۭന۠੾ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠

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ೖྗྫ atcoder beginner contest IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ໰୊ ͭͷ୯ޠ͕ۭന۠੾ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠ ग़ྗྫ ABC

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IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ໰୊ ͭͷ୯ޠ͕ۭന۠੾ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠

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IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ໰୊ ͭͷ୯ޠ͕ۭന۠੾ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠ ΋͏গ͠୹͘Ͱ͖ͦ͏ ಡΈʹ͘͘

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IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ໰୊ ͭͷ୯ޠ͕ۭന۠੾ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠

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ϙΠϯτ େจࣈ΁ͷม׵ord

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ϙΠϯτ େจࣈ΁ͷม׵ord ڝϓϩͰ͸كʹΑ͘࢖͏ʂ

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ϙΠϯτ ඪ४ग़ྗputc

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໰୊ " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢Δͷ͸Կจࣈ໨ʁ

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໰୊ IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ೖྗྫ 9 AACCCACBB " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢Δͷ͸Կจࣈ໨ʁ

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໰୊ IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ೖྗྫ 9 AACCCACBB 123456789 ग़ྗྫ 8 " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢Δͷ͸Կจࣈ໨ʁ

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໰୊ IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢Δͷ͸Կจࣈ໨ʁ

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໰୊ IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢Δͷ͸Կจࣈ໨ʁ

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໰୊ IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢Δͷ͸Կจࣈ໨ʁ indexʹ߹ܭCZUF΋࢖ͬͯΔʂʂ

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໰୊ IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢Δͷ͸Կจࣈ໨ʁ

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໰୊ IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢Δͷ͸Կจࣈ໨ʁ $_ ͕3ՕॴʹݱΕΔͷ͸৑௕

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໰୊ IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢Δͷ͸Կจࣈ໨ʁ ׬੒

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ϙΠϯτ Regexp#~ $_ͱͷؒͰϚονΛͱΔ

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ϙΠϯτ ΠϯΫϦϝϯτ bit൓స ୯߲ԋࢉ -

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·ͱΊ·͢

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·ͱΊ ɾ͍ΖΜͳॻ͖ํ͕Ͱ͖Δ ɾϝιουͷ๛෋͞ ɾ߈ུຊʹࡌͬͯͳ͍ॻ͖ํΛ୳ָ͢͠͞

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3VCZJTGVO ,ZPQSPJTGVOTP UBLFUIFDIBMMFOHF