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๊ด€๋ฆฌ ๋ฉ”๋‰ด

๋ชฉ๋กํŒŒ์ด์ฌ (6)

์žฌ๋ƒฅ์ด๐Ÿ˜ป

[ํŒŒ์ด์ฌ/Python] ์ตœ๋‹จ ๊ฒฝ๋กœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ์ž‘๋™์›๋ฆฌ ์ดํ•ดํ•˜๊ธฐ ( Floyd-washall )

[ํŒŒ์ด์ฌ/Python] ์ตœ๋‹จ ๊ฒฝ๋กœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ์ž‘๋™์›๋ฆฌ ์ดํ•ดํ•˜๊ธฐ ( Floyd-washall ) ์„œ๋ก  [ํŒŒ์ด์ฌ/Python] ์ตœ๋‹จ ๊ฒฝ๋กœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ตฌํ˜„ํ•˜๊ธฐ ( Dijkstra / Bellman-ford / floyd-warshall ) ์ตœ๋‹จ ๊ฒฝ๋กœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ตฌํ˜„ํ•˜๊ธฐ ( Dijkstra / Bellman-ford / floyd-warshall ) ์„œ๋ก  ์ตœ๋‹จ ๊ฒฝ๋กœ(Shortest Paths)๋Š” ๋‘ ์ •์  ์‚ฌ์ด์˜ ๊ฒฝ๋กœ๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” ๋ชจ๋“  ๊ฐ„์„ ์˜ ๊ฐ€์ค‘์น˜ ํ•ฉ์ด ์ตœ์†Œ์ธ ๊ฒฝ๋กœ๋ฅผ ๋งํ•ฉ๋‹ˆ๋‹ค. ์ตœ๋‹จ ๊ฒฝ.. develop247.tistory.com ์ด์ „ ์‹œ๊ฐ„ ๊ตฌํ˜„ํ•˜์˜€๋˜ Floyd-washall ์•Œ๊ณ ๋ฆฌ์ฆ˜์˜ ์ž‘๋™์›๋ฆฌ์— ๋Œ€ํ•ด ๊ฐ„๋‹จํ•œ ์˜ˆ์ œ๋ฅผ ํ†ตํ•ด ๊ทธ๋ฆผ์œผ๋กœ ์ดํ•ดํ•ด๋ณด๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๋ณธ๋ก  ๋ฌธ์ œ 1. Floyd-washall ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ์ด์šฉํ•˜์—ฌ ์œ„ ๊ทธ..

ํŒŒ์ด์ฌ 2022. 6. 3. 15:20
[ํŒŒ์ด์ฌ/Python] ์ตœ๋‹จ ๊ฒฝ๋กœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ์ž‘๋™์›๋ฆฌ ์ดํ•ดํ•˜๊ธฐ ( Dijkstra )

[ํŒŒ์ด์ฌ/Python] ์ตœ๋‹จ ๊ฒฝ๋กœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ์ž‘๋™์›๋ฆฌ ์ดํ•ดํ•˜๊ธฐ ( Dijkstra ) ์„œ๋ก  [ํŒŒ์ด์ฌ/Python] ์ตœ๋‹จ ๊ฒฝ๋กœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ตฌํ˜„ํ•˜๊ธฐ ( Dijkstra / Bellman-ford / floyd-warshall ) ์ตœ๋‹จ ๊ฒฝ๋กœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ตฌํ˜„ํ•˜๊ธฐ ( Dijkstra / Bellman-ford / floyd-warshall ) ์„œ๋ก  ์ตœ๋‹จ ๊ฒฝ๋กœ(Shortest Paths)๋Š” ๋‘ ์ •์  ์‚ฌ์ด์˜ ๊ฒฝ๋กœ๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” ๋ชจ๋“  ๊ฐ„์„ ์˜ ๊ฐ€์ค‘์น˜ ํ•ฉ์ด ์ตœ์†Œ์ธ ๊ฒฝ๋กœ๋ฅผ ๋งํ•ฉ๋‹ˆ๋‹ค. ์ตœ๋‹จ ๊ฒฝ.. develop247.tistory.com ์ด์ „ ์‹œ๊ฐ„ ๊ตฌํ˜„ํ•˜์˜€๋˜ Dijkstra ์•Œ๊ณ ๋ฆฌ์ฆ˜์˜ ์ž‘๋™์›๋ฆฌ์— ๋Œ€ํ•ด ๊ฐ„๋‹จํ•œ ์˜ˆ์ œ๋ฅผ ํ†ตํ•ด ๊ทธ๋ฆผ์œผ๋กœ ์ดํ•ดํ•ด๋ณด๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๋ณธ๋ก  ๋ฌธ์ œ 1. Dijkstra ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ์ด์šฉํ•˜์—ฌ ์œ„ ๊ทธ๋ž˜ํ”„์˜ v4๋ฅผ ์‹œ์ž‘์œผ๋กœ ํ•˜๋Š”..

ํŒŒ์ด์ฌ 2022. 6. 2. 23:52
[ํŒŒ์ด์ฌ/Python] ์ตœ์†Œ ๋น„์šฉ ์‹ ์žฅ ํŠธ๋ฆฌ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ์ž‘๋™์›๋ฆฌ ์ดํ•ดํ•˜๊ธฐ ( Prim / Kruskal )

์ตœ์†Œ ๋น„์šฉ ์‹ ์žฅ ํŠธ๋ฆฌ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ์ž‘๋™์›๋ฆฌ ์ดํ•ดํ•˜๊ธฐ ( Prim / Kruskal ) ์„œ๋ก  [ํŒŒ์ด์ฌ/Python] ์ตœ์†Œ ๋น„์šฉ ์‹ ์žฅ ํŠธ๋ฆฌ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ตฌํ˜„ํ•˜๊ธฐ ( Prim / Kruskal ) ์ตœ์†Œ ๋น„์šฉ ์‹ ์žฅ ํŠธ๋ฆฌ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ตฌํ˜„ํ•˜๊ธฐ ์„œ๋ก  ์‹ ์žฅ ํŠธ๋ฆฌ(Spanning tree)๋ž€ ์—ฐ๊ฒฐ๋œ ๋น„๋ฐฉํ–ฅ์„ฑ ๊ทธ๋ž˜ํ”„์—์„œ, ๋…ธ๋“œ๋Š” ๊ทธ๋Œ€๋กœ ์œ ์ง€ํ•œ ์ฑ„๋กœ, ์ˆœํ™˜๊ฒฝ๋กœ(cycle)๊ฐ€ ์—†์–ด์ง€๋„๋ก ์ด์Œ์„ ์„ ์ œ๊ฑฐํ•˜์—ฌ ๊ตฌ์„ฑํ•œ ์—ฐ๊ฒฐ๋œ develop247.tistory.com ์ด์ „ ์‹œ๊ฐ„ ๊ตฌํ˜„ํ•˜์˜€๋˜ Prim, Kruskal ์•Œ๊ณ ๋ฆฌ์ฆ˜์˜ ์ž‘๋™์›๋ฆฌ์— ๋Œ€ํ•ด ๊ฐ„๋‹จํ•œ ์˜ˆ์ œ๋ฅผ ํ†ตํ•ด ๊ทธ๋ฆผ์œผ๋กœ ์ดํ•ดํ•ด๋ณด๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๋ณธ๋ก  ๋ฌธ์ œ 1. Prim ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ์ด์šฉํ•˜์—ฌ ์œ„ ๊ทธ๋ž˜ํ”„์˜ ์ตœ์†Œ๋น„์šฉ ์‹ ์žฅ ํŠธ๋ฆฌ๋ฅผ ๊ตฌํ•˜๋Š” ๊ณผ์ •์„ ์ œ์‹œํ•˜์‹œ์˜ค. ์ฒ˜์Œ start_node = 1์ด๋ฏ€๋กœ, d[1] =..

ํŒŒ์ด์ฌ 2022. 6. 2. 04:34
[ํŒŒ์ด์ฌ/Python] ๋ฐฑ์ค€ 1271๋ฒˆ ์—„์ฒญ๋‚œ ๋ถ€์ž2

๋ฐฑ์ค€ 1271๋ฒˆ ์—„์ฒญ๋‚œ ๋ถ€์ž2 - ์‚ฌ์šฉ์–ธ์–ด : ํŒŒ์ด์ฌ www.acmicpc.net/problem/1271 ๋ฌธ์ œ ๊ฐ‘๋ถ€ ์ตœ๋ฐฑ์ค€ ์กฐ๊ต๋Š” ๋™์ „์„ ์ตœ์†Œ๋กœ ๋ฐ”๊พธ๋Š”๋ฐ ์„ฑ๊ณตํ–ˆ์œผ๋‚˜ ๊น€์žฌํ™ ์กฐ๊ต๊ฐ€ ๊ทธ ๋ˆ์„ ๋ฐœ๊ฒฌํ•ด์„œ ์ตœ๋ฐฑ์ค€ ์กฐ๊ต์—๊ฒŒ ๊ทธ ๋ˆ์„ ๋‚˜๋ˆ„์ž๊ณ  ๋”ฐ์ง„๋‹ค. ๊ทธ ์‚ฌ์‹ค์ด ์ „ ์šฐ์ฃผ๋กœ ์•Œ๋ ค์ง€์ž ์šฐ์ฃผ์— ์žˆ๋˜ ๋งŽ์€ ์ƒ๋ช…์ฒด๋“ค์ด ์ž์‹ ๋“ค์—๊ฒŒ ๋ˆ์„ ๋ถ„๋ฐฐํ•ด ๋‹ฌ๋ผ๊ณ  ๋‹น์žฅ ๋‹ฌ๋ ค์˜ค๊ธฐ ์‹œ์ž‘ํ–ˆ๋‹ค. ํ”„๋กœํ† ์Šค ์ค‘์•™ ์šฐ์ฃผ ์ •๋ถ€์˜ ์ •์ฑ…์ธ, ‘๋ชจ๋“  ์ง€์  ์ƒ๋ช…์ฒด๋Š” ๋™๋“ฑํ•˜๋‹ค’๋ผ๋Š” ๊ทœ์น™์— ์ž…๊ฐํ•ด์„œ ๋ˆ์„ ๋˜‘๊ฐ™์ด ๋ถ„๋ฐฐํ•˜๊ณ ์ž ํ•œ๋‹ค. ํ•œ ์ƒ๋ช…์ฒด์—๊ฒŒ ์–ผ๋งˆ์”ฉ ๋ˆ์„ ์ค„ ์ˆ˜ ์žˆ๋Š”๊ฐ€? ๋˜, ์ƒ๋ช…์ฒด๋“ค์—๊ฒŒ ๋™์ผํ•˜๊ฒŒ ๋ถ„๋ฐฐํ•œ ํ›„ ๋‚จ๋Š” ๋ˆ์€ ์–ผ๋งˆ์ธ๊ฐ€? ์ฝ”๋“œ money, life = map(int, input().split()) print(money//life) print(money%lif..

Solved.ac - Python/Bronze V 2022. 5. 12. 07:46