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[juhui-jeong] WEEK 14#2623

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[juhui-jeong] WEEK 14#2623
juhui-jeong wants to merge 10 commits into
DaleStudy:mainfrom
juhui-jeong:main

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@juhui-jeong
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@juhui-jeong juhui-jeong commented May 31, 2026

๋‹ต์•ˆ ์ œ์ถœ ๋ฌธ์ œ

์ž‘์„ฑ์ž ์ฒดํฌ ๋ฆฌ์ŠคํŠธ

  • Projects์˜ ์˜ค๋ฅธ์ชฝ ๋ฒ„ํŠผ(โ–ผ)์„ ๋ˆŒ๋Ÿฌ ํ™•์žฅํ•œ ๋’ค, Week๋ฅผ ํ˜„์žฌ ์ฃผ์ฐจ๋กœ ์„ค์ •ํ•ด์ฃผ์„ธ์š”.
  • ๋ฌธ์ œ๋ฅผ ๋ชจ๋‘ ํ‘ธ์‹œ๋ฉด ํ”„๋กœ์ ํŠธ์—์„œ Status๋ฅผ In Review๋กœ ์„ค์ •ํ•ด์ฃผ์„ธ์š”.
  • ์ฝ”๋“œ ๊ฒ€ํ† ์ž 1๋ถ„ ์ด์ƒ์œผ๋กœ๋ถ€ํ„ฐ ์Šน์ธ์„ ๋ฐ›์œผ์…จ๋‹ค๋ฉด PR์„ ๋ณ‘ํ•ฉํ•ด์ฃผ์„ธ์š”.

๊ฒ€ํ† ์ž ์ฒดํฌ ๋ฆฌ์ŠคํŠธ

Important

๋ณธ์ธ ๋‹ต์•ˆ ์ œ์ถœ ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ๋‹ค๋ฅธ ๋ถ„ PR ํ•˜๋‚˜ ์ด์ƒ์„ ๋ฐ˜๋“œ์‹œ ๊ฒ€ํ† ๋ฅผ ํ•ด์ฃผ์…”์•ผ ํ•ฉ๋‹ˆ๋‹ค!

  • ๋ฐ”๋กœ ์ด์ „์— ์˜ฌ๋ผ์˜จ PR์— ๋ณธ์ธ์„ ์ฝ”๋“œ ๋ฆฌ๋ทฐ์–ด๋กœ ์ถ”๊ฐ€ํ•ด์ฃผ์„ธ์š”.
  • ๋ณธ์ธ์ด ๊ฒ€ํ† ํ•ด์•ผํ•˜๋Š” PR์˜ ๋‹ต์•ˆ ์ฝ”๋“œ์— ํ”ผ๋“œ๋ฐฑ์„ ์ฃผ์„ธ์š”.
  • ํ† ์š”์ผ ์ „๊นŒ์ง€ PR์„ ๋ณ‘ํ•ฉํ•  ์ˆ˜ ์žˆ๋„๋ก ์Šน์ธํ•ด์ฃผ์„ธ์š”.

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๐Ÿท๏ธ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ํŒจํ„ด ๋ถ„์„

  • ํŒจํ„ด: Dynamic Programming
  • ์„ค๋ช…: ์ด ์ฝ”๋“œ๋Š” ์ด์ „ ๊ฐ’๋“ค์„ ์ด์šฉํ•˜์—ฌ ํ˜„์žฌ ์ˆซ์ž์˜ 1๋น„ํŠธ ๊ฐœ์ˆ˜๋ฅผ ๊ณ„์‚ฐํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ, DP์˜ ์ ํ™”์‹์„ ํ™œ์šฉํ•˜๋Š” ํŒจํ„ด์— ์†ํ•ฉ๋‹ˆ๋‹ค. ํšจ์œจ์„ฑ์„ ์œ„ํ•ด ๊ฒฐ๊ณผ๋ฅผ ์ €์žฅํ•˜๊ณ  ์žฌ์‚ฌ์šฉํ•˜๋Š” ํŠน์ง•์ด ์žˆ์Šต๋‹ˆ๋‹ค.

๐Ÿ“Š ์‹œ๊ฐ„/๊ณต๊ฐ„ ๋ณต์žก๋„ ๋ถ„์„

๋ณต์žก๋„
Time O(n log n)
Space O(n)

ํ”ผ๋“œ๋ฐฑ: ์ฒซ ๋ฒˆ์งธ ๋ฐฉ๋ฒ•์€ ๊ฐ ์ˆ˜๋ฅผ ์ด์ง„์ˆ˜๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ๊ณผ์ •์ด O(log n)์ด๊ณ , ์ด๋ฅผ n๋ฒˆ ์ˆ˜ํ–‰ํ•˜๋ฏ€๋กœ O(n log n). ๋‘ ๋ฒˆ์งธ ๋ฐฉ๋ฒ•์€ ์žฌ๊ท€ ํ˜ธ์ถœ๋กœ ๊ฐ ์ˆ˜๋ฅผ 2๋กœ ๋‚˜๋ˆ„๋ฉฐ ๊ณ„์‚ฐํ•˜๋Š”๋ฐ, ์ตœ์•…์˜ ๊ฒฝ์šฐ O(log n) ํ˜ธ์ถœ์ด ๋ฐœ์ƒํ•˜๋ฉฐ n๊ฐœ ์ˆ˜์— ๋Œ€ํ•ด ์ˆ˜ํ–‰ํ•˜๋ฏ€๋กœ ์ „์ฒด์ ์œผ๋กœ O(n log n).

๊ฐœ์„  ์ œ์•ˆ: ํ˜„์žฌ ๊ตฌํ˜„์ด ์ ์ ˆํ•ด ๋ณด์ž…๋‹ˆ๋‹ค.

๐Ÿ’ก ํ’€์ด์— ์‹œ๊ฐ„/๊ณต๊ฐ„ ๋ณต์žก๋„๋ฅผ ์ฃผ์„์œผ๋กœ ๋‚จ๊ฒจ๋ณด์„ธ์š”!

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dalestudy Bot commented May 31, 2026

๐Ÿ“Š juhui-jeong ๋‹˜์˜ ํ•™์Šต ํ˜„ํ™ฉ

์ด๋ฒˆ ์ฃผ ์ œ์ถœ ๋ฌธ์ œ

๋ฌธ์ œ ๋‚œ์ด๋„ ์œ ํ˜• ๋ถ„์„
counting-bits Easy โš ๏ธ ์œ ํ˜• ๋ถˆ์ผ์น˜

๋ˆ„์  ํ•™์Šต ์š”์•ฝ

  • ํ’€์ดํ•œ ๋ฌธ์ œ: 24 / 75๊ฐœ
  • ์ด๋ฒˆ ์ฃผ ์œ ํ˜• ์ผ์น˜์œจ: 0% (1๋ฌธ์ œ ์ค‘ 0๋ฌธ์ œ ์ผ์น˜)

๋ฌธ์ œ ํ’€์ด ํ˜„ํ™ฉ

์นดํ…Œ๊ณ ๋ฆฌ ์ง„ํ–‰๋„ ์™„๋ฃŒ
Linked List โ– โ– โ– โ– โ–กโ–กโ–ก 3 / 6 (Easy 2, Medium 1)
Tree โ– โ– โ– โ–กโ–กโ–กโ–ก 6 / 14 (Easy 3, Medium 2, Hard 1)
Array โ– โ– โ– โ–กโ–กโ–กโ–ก 4 / 10 (Easy 3, Medium 1)
Interval โ– โ– โ– โ–กโ–กโ–กโ–ก 2 / 5 (Medium 2)
String โ– โ– โ– โ–กโ–กโ–กโ–ก 4 / 10 (Medium 1, Easy 3)
Heap โ– โ– โ–กโ–กโ–กโ–กโ–ก 1 / 3 (Medium 1)
Binary โ– โ–กโ–กโ–กโ–กโ–กโ–ก 1 / 5 (Easy 1)
Dynamic Programming โ– โ–กโ–กโ–กโ–กโ–กโ–ก 2 / 11 (Easy 1, Medium 1)
Graph โ– โ–กโ–กโ–กโ–กโ–กโ–ก 1 / 8 (Medium 1)
Matrix โ–กโ–กโ–กโ–กโ–กโ–กโ–ก 0 / 4 โ† ์•„์ง ์‹œ์ž‘ ์•ˆ ํ•จ

๐Ÿค– ์ด ๋Œ“๊ธ€์€ GitHub App์„ ํ†ตํ•ด ์ž๋™์œผ๋กœ ์ž‘์„ฑ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

๐Ÿ”ข API ์‚ฌ์šฉ๋Ÿ‰ (gpt-4.1-nano)
์š”์ฒญ ์ž…๋ ฅ ํ† ํฐ ์ถœ๋ ฅ ํ† ํฐ ํ•ฉ๊ณ„ ๋น„์šฉ
1 586 41 627 $0.000075

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