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[reeseo3o] WEEK 14 solutions#2630

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[reeseo3o] WEEK 14 solutions#2630
reeseo3o wants to merge 4 commits into
DaleStudy:mainfrom
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@reeseo3o reeseo3o commented Jun 6, 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, Bit Manipulation
  • ์„ค๋ช…: ์ด ์ฝ”๋“œ๋Š” ์ด์ „ ๊ฒฐ๊ณผ๋ฅผ ํ™œ์šฉํ•˜์—ฌ ํ˜„์žฌ ๊ฐ’์„ ๊ณ„์‚ฐํ•˜๋Š” ๋™์  ํ”„๋กœ๊ทธ๋ž˜๋ฐ๊ณผ, ๋น„ํŠธ ์—ฐ์‚ฐ์„ ์ด์šฉํ•œ ๋น„ํŠธ ์กฐ์ž‘ ํŒจํ„ด์„ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด ํšจ์œจ์ ์œผ๋กœ 1๋น„ํŠธ ์ˆ˜๋ฅผ ๊ณ„์‚ฐํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ“Š ์‹œ๊ฐ„/๊ณต๊ฐ„ ๋ณต์žก๋„ ๋ถ„์„

๋ณต์žก๋„
Time O(n)
Space O(n)

ํ”ผ๋“œ๋ฐฑ: ๋ฐฐ์—ด์„ ํ•œ ๋ฒˆ ์ฑ„์šฐ๋Š” ๋ฐ˜๋ณต๋ฌธ์ด ์žˆ์œผ๋ฉฐ, ๊ฐ i์— ๋Œ€ํ•ด ์ด์ „ ๊ฐ’๊ณผ ๋น„ํŠธ ์—ฐ์‚ฐ์„ ์ด์šฉํ•ด ๊ณ„์‚ฐํ•˜๋ฏ€๋กœ ์‹œ๊ฐ„ ๋ณต์žก๋„๋Š” ์„ ํ˜•์ž…๋‹ˆ๋‹ค. ๋ฐฐ์—ด ํฌ๊ธฐ๋งŒํผ ๊ณต๊ฐ„์„ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.

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

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

@github-actions github-actions Bot added the js label Jun 6, 2026
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dalestudy Bot commented Jun 6, 2026

๐Ÿ“Š reeseo3o ๋‹˜์˜ ํ•™์Šต ํ˜„ํ™ฉ

์ด๋ฒˆ ์ฃผ ์ œ์ถœ ๋ฌธ์ œ

๋ฌธ์ œ ๋‚œ์ด๋„ ์œ ํ˜• ๋ถ„์„
counting-bits Easy โœ… ์˜๋„ํ•œ ์œ ํ˜•

๋ˆ„์  ํ•™์Šต ์š”์•ฝ

  • ํ’€์ดํ•œ ๋ฌธ์ œ: 25 / 75๊ฐœ
  • ์ด๋ฒˆ ์ฃผ ์œ ํ˜• ์ผ์น˜์œจ: 100% (1๋ฌธ์ œ ์ค‘ 1๋ฌธ์ œ ์ผ์น˜)

๋ฌธ์ œ ํ’€์ด ํ˜„ํ™ฉ

์นดํ…Œ๊ณ ๋ฆฌ ์ง„ํ–‰๋„ ์™„๋ฃŒ
Array โ– โ– โ– โ– โ– โ–กโ–ก 7 / 10 (Easy 3, Medium 4)
Linked List โ– โ– โ– โ– โ– โ–กโ–ก 4 / 6 (Easy 3, Medium 1)
Binary โ– โ– โ– โ– โ–กโ–กโ–ก 3 / 5 (Easy 3)
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)
Interval 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)
Tree โ– โ–กโ–กโ–กโ–กโ–กโ–ก 2 / 14 (Easy 2)
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
1 293 32 325 $0.000042

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