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[robinyoon-dev] WEEK 08 solutions#2554

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[robinyoon-dev] WEEK 08 solutions#2554
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@robinyoon-dev robinyoon-dev commented Apr 20, 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”.

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dalestudy bot commented Apr 20, 2026

๐Ÿ“Š robinyoon-dev ๋‹˜์˜ ํ•™์Šต ํ˜„ํ™ฉ

์ด๋ฒˆ ์ฃผ ์ œ์ถœ ๋ฌธ์ œ

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

๋ˆ„์  ํ•™์Šต ์š”์•ฝ

  • ํ’€์ดํ•œ ๋ฌธ์ œ: 24 / 75๊ฐœ
  • ์ด๋ฒˆ ์ฃผ ์œ ํ˜• ์ผ์น˜์œจ: 100% (1๋ฌธ์ œ ์ค‘ 1๋ฌธ์ œ ์ผ์น˜)

๋ฌธ์ œ ํ’€์ด ํ˜„ํ™ฉ

์นดํ…Œ๊ณ ๋ฆฌ ์ง„ํ–‰๋„ ์™„๋ฃŒ
Bucket Sort โ– โ– โ– โ– โ– โ– โ–  1 / 1 (Medium 1)
Counting โ– โ– โ– โ– โ– โ– โ–  1 / 1 (Medium 1)
Memoization โ– โ– โ– โ– โ– โ– โ–  2 / 2 (Easy 1, Medium 1)
Quickselect โ– โ– โ– โ– โ– โ– โ–  1 / 1 (Medium 1)
Backtracking โ– โ– โ– โ– โ– โ–กโ–ก 2 / 3 (Medium 2)
Recursion โ– โ– โ– โ– โ– โ–กโ–ก 2 / 3 (Easy 2)
Hash Table โ– โ– โ– โ– โ–กโ–กโ–ก 9 / 16 (Easy 3, Medium 6)
Prefix Sum โ– โ– โ– โ– โ–กโ–กโ–ก 1 / 2 (Medium 1)
Stack โ– โ– โ– โ– โ–กโ–กโ–ก 1 / 2 (Easy 1)
Trie โ– โ– โ– โ– โ–กโ–กโ–ก 2 / 4 (Medium 2)
String โ– โ– โ– โ–กโ–กโ–กโ–ก 8 / 19 (Medium 5, Easy 3)
Array โ– โ– โ– โ–กโ–กโ–กโ–ก 14 / 36 (Easy 3, Medium 11)
Sorting โ– โ– โ– โ–กโ–กโ–กโ–ก 4 / 11 (Easy 2, Medium 2)
Divide and Conquer โ– โ– โ–กโ–กโ–กโ–กโ–ก 2 / 6 (Easy 1, Medium 1)
Linked List โ– โ– โ–กโ–กโ–กโ–กโ–ก 2 / 6 (Easy 2)
Sliding Window โ– โ– โ–กโ–กโ–กโ–กโ–ก 1 / 3 (Medium 1)
Dynamic Programming โ– โ– โ–กโ–กโ–กโ–กโ–ก 5 / 18 (Easy 2, Medium 3)
Binary Search โ– โ– โ–กโ–กโ–กโ–กโ–ก 1 / 4 (Medium 1)
Greedy โ– โ– โ–กโ–กโ–กโ–กโ–ก 1 / 4 (Medium 1)
Heap (Priority Queue) โ– โ– โ–กโ–กโ–กโ–กโ–ก 1 / 4 (Medium 1)
Union-Find โ– โ– โ–กโ–กโ–กโ–กโ–ก 1 / 4 (Medium 1)
Bit Manipulation โ– โ–กโ–กโ–กโ–กโ–กโ–ก 1 / 5 (Easy 1)
Design โ– โ–กโ–กโ–กโ–กโ–กโ–ก 1 / 5 (Medium 1)
Math โ– โ–กโ–กโ–กโ–กโ–กโ–ก 1 / 5 (Easy 1)
Two Pointers โ– โ–กโ–กโ–กโ–กโ–กโ–ก 2 / 10 (Medium 1, Easy 1)
Breadth-First Search โ– โ–กโ–กโ–กโ–กโ–กโ–ก 2 / 13 (Medium 1, Easy 1)
Matrix โ– โ–กโ–กโ–กโ–กโ–กโ–ก 1 / 7 (Medium 1)
Depth-First Search โ– โ–กโ–กโ–กโ–กโ–กโ–ก 2 / 18 (Easy 1, Medium 1)
Binary Tree โ– โ–กโ–กโ–กโ–กโ–กโ–ก 1 / 11 (Easy 1)
Tree โ– โ–กโ–กโ–กโ–กโ–กโ–ก 1 / 11 (Easy 1)
Binary Search Tree โ–กโ–กโ–กโ–กโ–กโ–กโ–ก 0 / 3 โ† ์•„์ง ์‹œ์ž‘ ์•ˆ ํ•จ
Combinatorics โ–กโ–กโ–กโ–กโ–กโ–กโ–ก 0 / 1 โ† ์•„์ง ์‹œ์ž‘ ์•ˆ ํ•จ
Data Stream โ–กโ–กโ–กโ–กโ–กโ–กโ–ก 0 / 1 โ† ์•„์ง ์‹œ์ž‘ ์•ˆ ํ•จ
Graph Theory โ–กโ–กโ–กโ–กโ–กโ–กโ–ก 0 / 5 โ† ์•„์ง ์‹œ์ž‘ ์•ˆ ํ•จ
Hash Function โ–กโ–กโ–กโ–กโ–กโ–กโ–ก 0 / 1 โ† ์•„์ง ์‹œ์ž‘ ์•ˆ ํ•จ
Merge Sort โ–กโ–กโ–กโ–กโ–กโ–กโ–ก 0 / 1 โ† ์•„์ง ์‹œ์ž‘ ์•ˆ ํ•จ
Simulation โ–กโ–กโ–กโ–กโ–กโ–กโ–ก 0 / 1 โ† ์•„์ง ์‹œ์ž‘ ์•ˆ ํ•จ
String Matching โ–กโ–กโ–กโ–กโ–กโ–กโ–ก 0 / 1 โ† ์•„์ง ์‹œ์ž‘ ์•ˆ ํ•จ
Topological Sort โ–กโ–กโ–กโ–กโ–กโ–กโ–ก 0 / 2 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
#1 294 34 328 $0.000043

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๐Ÿท๏ธ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ํŒจํ„ด ๋ถ„์„

  • ํŒจํ„ด: Bit Manipulation
  • ์„ค๋ช…: ์ด ์ฝ”๋“œ๋Š” ๋น„ํŠธ ์—ฐ์‚ฐ์„ ํ™œ์šฉํ•˜์—ฌ ์ •์ˆ˜์˜ ์ด์ง„์ˆ˜ ๋น„ํŠธ๋ฅผ ๋’ค์ง‘๋Š” ๋ฐฉ์‹์œผ๋กœ, ๋น„ํŠธ ์กฐ์ž‘ ๊ธฐ๋ฒ•์ด ํ•ต์‹ฌ์ธ ํŒจํ„ด์— ์†ํ•ฉ๋‹ˆ๋‹ค.

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dalestudy bot commented Apr 20, 2026

๐Ÿ“Š ์‹œ๊ฐ„/๊ณต๊ฐ„ ๋ณต์žก๋„ ๋ถ„์„

reverse-bits

๋ณต์žก๋„
Time O(1)
Space O(1)

ํ”ผ๋“œ๋ฐฑ: ์ด ๊ตฌํ˜„์€ ๊ณ ์ •๋œ 32๋น„ํŠธ ์ •์ˆ˜์— ๋Œ€ํ•ด ์ผ์ •ํ•œ ์‹œ๊ฐ„๊ณผ ๊ณต๊ฐ„ ๋ณต์žก๋„๋ฅผ ๊ฐ€์ง€๋ฉฐ, ํšจ์œจ์ ์ž…๋‹ˆ๋‹ค. ๋น„ํŠธ ์—ฐ์‚ฐ์„ ํ™œ์šฉํ•˜์—ฌ ์—ญ์ˆœ์„ ์ˆ˜ํ–‰ํ•˜๋Š” ๋ฐฉ๋ฒ•์ด ์ ์ ˆํ•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”!

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

@github-actions github-actions bot added the js label Apr 20, 2026
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