Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
競技プログラミングで見るRubyの豊かさ
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
haruguchi-yuma
August 24, 2024
140
1
Share
競技プログラミングで見るRubyの豊かさ
haruguchi-yuma
August 24, 2024
More Decks by haruguchi-yuma
See All by haruguchi-yuma
ruby-interpreter-story
haruguchi
0
18
fukuoka.rb 0x000回 LT資料
haruguchi
0
140
shikujiri-lt
haruguchi
0
1.6k
Featured
See All Featured
GraphQLとの向き合い方2022年版
quramy
50
14k
Beyond borders and beyond the search box: How to win the global "messy middle" with AI-driven SEO
davidcarrasco
3
100
AI in Enterprises - Java and Open Source to the Rescue
ivargrimstad
0
1.2k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
35
3.4k
Art, The Web, and Tiny UX
lynnandtonic
304
21k
Data-driven link building: lessons from a $708K investment (BrightonSEO talk)
szymonslowik
1
1k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
54k
The Illustrated Guide to Node.js - THAT Conference 2024
reverentgeek
1
330
The Organizational Zoo: Understanding Human Behavior Agility Through Metaphoric Constructive Conversations (based on the works of Arthur Shelley, Ph.D)
kimpetersen
PRO
0
300
Information Architects: The Missing Link in Design Systems
soysaucechin
0
870
Mobile First: as difficult as doing things right
swwweet
225
10k
How to Think Like a Performance Engineer
csswizardry
28
2.5k
Transcript
!IBSVHVDIJ ڝٕϓϩάϥϛϯάͰݟΔ 3VCZͷ๛͔͞ େࡕ3VCZձٞɹ 4BU
!IBSVHVDIJ wגࣜձࣾӬγεςϜϚωδϝϯτ wڭһˠ8FCΤϯδχΞ wڝϓϩྺ
None
ڝϓϩ "U$PEFS ͱ
ೖྗˠग़ྗ ͳΜ͔͢Δ
ͨͱ͑
ͨͱ͑
ͨͱ͑
ͨͱ͑
None
None
None
ࠓͷ ɾ"U$PEFSͷௐ·ͨ͠ ɾͦͷத͔Βհ
େࣄʹ͍ͨ͠Ձ؍ Մಡੑ ֦ுੑ อकੑ
Մಡੑ ֦ுੑ อकੑ ಡΈʹ͘͘ ෳࡶͰ͘ ʹಛԽͨ͠ ίονʂʂ େࣄʹ͍ͨ͠Ձ؍
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@ ))ͷΛٻΊ͍ͨ
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@ ))ͷΛٻΊ͍ͨ ೖྗྫ 42 3 ग़ྗྫ 39
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@ ))ͷΛٻΊ͍ͨ ೖྗྫ 42 3 ग़ྗྫ 39
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@ ))ͷΛٻΊ͍ͨ
ϙΠϯτ จࣈϦςϥϧ? joinͷΤΠϦΞε*
ϙΠϯτ จࣈϦςϥϧ? joinͷΤΠϦΞε*
ϙΠϯτ ίϚϯυͱ࣮ͯ͠ߦ evalͰअѱ͞Λԋग़
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@ ))ͷΛٻΊ͍ͨ ࠶ܝ ͬͱ͘ॻ͚ΔΑͱ͍͏ਓ͕͍ͨΒڭ͍͑ͯͩ͘͞
ͭͷ୯ޠ͕ۭന۠ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠
ೖྗྫ atcoder beginner contest IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ͭͷ୯ޠ͕ۭന۠ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠
ೖྗྫ atcoder beginner contest IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ͭͷ୯ޠ͕ۭന۠ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠
ೖྗྫ atcoder beginner contest IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ͭͷ୯ޠ͕ۭന۠ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠ ग़ྗྫ
ABC
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ͭͷ୯ޠ͕ۭന۠ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ͭͷ୯ޠ͕ۭന۠ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠ ͏গ͘͠Ͱ͖ͦ͏ ಡΈʹ͘͘
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ͭͷ୯ޠ͕ۭന۠ΓͰ༩͑ΒΕΔɻ ֤୯ޠͷઌ಄Λͭͳ͛ɺେจࣈͰग़ྗ͍ͨ͠
ϙΠϯτ େจࣈͷมord
ϙΠϯτ େจࣈͷมord ڝϓϩͰكʹΑ͘͏ʂ
ϙΠϯτ ඪ४ग़ྗputc
" # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢ΔͷԿจࣈʁ
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ೖྗྫ 9 AACCCACBB " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 "
# $͕ճҎ্ग़ݱ͢ΔͷԿจࣈʁ
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B ೖྗྫ 9 AACCCACBB 123456789 ग़ྗྫ 8
" # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢ΔͷԿจࣈʁ
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢ΔͷԿจࣈʁ
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢ΔͷԿจࣈʁ
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢ΔͷԿจࣈʁ indexʹ߹ܭCZUFͬͯΔʂʂ
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢ΔͷԿจࣈʁ
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢ΔͷԿจࣈʁ $_ ͕3ՕॴʹݱΕΔͷ
IUUQTBUDPEFSKQDPOUFTUTBCDUBTLTBCD@B " # $ͷΈ͔ΒͳΔ/จࣈͷจࣈྻ4 " # $͕ճҎ্ग़ݱ͢ΔͷԿจࣈʁ
ϙΠϯτ Regexp#~ $_ͱͷؒͰϚονΛͱΔ
ϙΠϯτ ΠϯΫϦϝϯτ bitస ୯߲ԋࢉ -
·ͱΊ·͢
·ͱΊ ɾ͍ΖΜͳॻ͖ํ͕Ͱ͖Δ ɾϝιουͷ๛͞ ɾ߈ུຊʹࡌͬͯͳ͍ॻ͖ํΛ୳ָ͢͠͞
3VCZJTGVO ,ZPQSPJTGVOTP UBLFUIFDIBMMFOHF