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[ICE0208] WEEK 04 Solutions #2744

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[ICE0208] WEEK 04 Solutions #2744
ICE0208 wants to merge 1 commit into
DaleStudy:mainfrom
ICE0208:week04

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@ICE0208

@ICE0208 ICE0208 commented Jul 14, 2026

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๋‹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”.

@dalestudy

dalestudy Bot commented Jul 14, 2026

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๐Ÿ“Š ICE0208 ๋‹˜์˜ ํ•™์Šต ํ˜„ํ™ฉ

์ด๋ฒˆ ์ฃผ ์ œ์ถœ ๋ฌธ์ œ

๋ฌธ์ œ ๋‚œ์ด๋„ ์œ ํ˜• ๋ถ„์„
merge-two-sorted-lists Easy โœ… ์˜๋„ํ•œ ์œ ํ˜•

๋ˆ„์  ํ•™์Šต ์š”์•ฝ

  • ํ’€์ดํ•œ ๋ฌธ์ œ: 15 / 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–กโ–กโ–ก 5 / 10 (Medium 3, Easy 2)
Dynamic Programming โ– โ– โ– โ–กโ–กโ–กโ–ก 4 / 11 (Easy 1, Medium 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)
String โ– โ–กโ–กโ–กโ–กโ–กโ–ก 2 / 10 (Easy 2)
Graph โ– โ–กโ–กโ–กโ–กโ–กโ–ก 1 / 8 (Medium 1)
Tree โ– โ–กโ–กโ–กโ–กโ–กโ–ก 1 / 14 (Medium 1)
Interval โ–กโ–กโ–กโ–กโ–กโ–กโ–ก 0 / 5 โ† ์•„์ง ์‹œ์ž‘ ์•ˆ ํ•จ
Linked List โ–กโ–กโ–กโ–กโ–กโ–กโ–ก 0 / 6 โ† ์•„์ง ์‹œ์ž‘ ์•ˆ ํ•จ
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-5-nano)
์š”์ฒญ ์ž…๋ ฅ ํ† ํฐ ์ถœ๋ ฅ ํ† ํฐ ํ•ฉ๊ณ„ ๋น„์šฉ
1 474 37 511 $0.000039

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๐Ÿท๏ธ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ํŒจํ„ด ๋ถ„์„

  • ํŒจํ„ด: Two Pointers, Linked List
  • ์„ค๋ช…: ๋‘ ์ •๋ ฌ๋œ ๋ฆฌ์ŠคํŠธ์˜ ๋…ธ๋“œ๋ฅผ ์ฐจ๋ก€๋Œ€๋กœ ๋น„๊ตํ•˜๋ฉฐ ์ž‘์€ ๋…ธ๋“œ๋ฅผ ๊ฒฐ๊ณผ์— ์—ฐ๊ฒฐํ•˜๋Š” ์ˆœํšŒ ๋ฐฉ์‹์œผ๋กœ, ํฌ์ธํ„ฐ ๋‘ ๊ฐœ(Two Pointers)๋กœ ์—ฐ๊ฒฐ ๋ฆฌ์ŠคํŠธ๋ฅผ ๋ณ‘ํ•ฉํ•˜๋Š” ์ „ํ˜•์ ์ธ ํŒจํ„ด์ด๋‹ค. ์ถ”๊ฐ€ ๋ฉ”๋ชจ๋ฆฌ ์—†์ด ๊ธฐ์กด ๋…ธ๋“œ๋ฅผ ์žฌ์‚ฌ์šฉํ•˜๋Š” ํ•ด๋ฒ•์œผ๋กœ๋„ ํŒจํ„ด์„ ์ถฉ์กฑํ•œ๋‹ค.

๐Ÿ“Š ์‹œ๊ฐ„/๊ณต๊ฐ„ ๋ณต์žก๋„ ๋ถ„์„

์œ ์ € ๋ถ„์„ ์‹ค์ œ ๋ถ„์„ ๊ฒฐ๊ณผ
Time O(n + m) O(n + m) โœ…
Space O(1) O(1) โœ…

ํ”ผ๋“œ๋ฐฑ: ๋‘ ๋ฆฌ์ŠคํŠธ๋ฅผ ํ•œ ๋ฐฉํ–ฅ์œผ๋กœ ์ˆœํšŒํ•˜๋ฉฐ ๋” ์ž‘์€ ๋…ธ๋“œ๋ฅผ ๊ฒฐ๊ณผ์— ์—ฐ๊ฒฐํ•˜๊ณ , ๋‚จ์€ ๋…ธ๋“œ๋ฅผ ๋’ค์— ์—ฐ๊ฒฐํ•œ๋‹ค. ์ถ”๊ฐ€์ ์ธ ๋…ธ๋“œ ์ƒ์„ฑ์„ ํ•˜์ง€ ์•Š๊ณ  ์ƒ์ˆ˜ ๊ณต๊ฐ„์œผ๋กœ ๋ณ‘ํ•ฉํ•œ๋‹ค.

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

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