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๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰3

[๋ฐฑ์ค€] 2667. ๋‹จ์ง€๋ฒˆํ˜ธ๋ถ™์ด๊ธฐ/Python - Silver 1 โ“๋ฌธ์ œhttps://www.acmicpc.net/problem/2667์„ฑ๋Šฅ ์š”์•ฝ๋ฉ”๋ชจ๋ฆฌ: 108548 KB, ์‹œ๊ฐ„: 92 ms๋ถ„๋ฅ˜๋„ˆ๋น„ ์šฐ์„  ํƒ์ƒ‰, ๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰, ๊ทธ๋ž˜ํ”„ ์ด๋ก , ๊ทธ๋ž˜ํ”„ ํƒ์ƒ‰ ๋ฌธ์ œ ์„ค๋ช…๊ณผ ๊ฐ™์ด ์ •์‚ฌ๊ฐํ˜• ๋ชจ์–‘์˜ ์ง€๋„๊ฐ€ ์žˆ๋‹ค. 1์€ ์ง‘์ด ์žˆ๋Š” ๊ณณ์„, 0์€ ์ง‘์ด ์—†๋Š” ๊ณณ์„ ๋‚˜ํƒ€๋‚ธ๋‹ค. ์ฒ ์ˆ˜๋Š” ์ด ์ง€๋„๋ฅผ ๊ฐ€์ง€๊ณ  ์—ฐ๊ฒฐ๋œ ์ง‘์˜ ๋ชจ์ž„์ธ ๋‹จ์ง€๋ฅผ ์ •์˜ํ•˜๊ณ , ๋‹จ์ง€์— ๋ฒˆํ˜ธ๋ฅผ ๋ถ™์ด๋ ค ํ•œ๋‹ค. ์—ฌ๊ธฐ์„œ ์—ฐ๊ฒฐ๋˜์—ˆ๋‹ค๋Š” ๊ฒƒ์€ ์–ด๋–ค ์ง‘์ด ์ขŒ์šฐ, ํ˜น์€ ์•„๋ž˜์œ„๋กœ ๋‹ค๋ฅธ ์ง‘์ด ์žˆ๋Š” ๊ฒฝ์šฐ๋ฅผ ๋งํ•œ๋‹ค. ๋Œ€๊ฐ์„ ์ƒ์— ์ง‘์ด ์žˆ๋Š” ๊ฒฝ์šฐ๋Š” ์—ฐ๊ฒฐ๋œ ๊ฒƒ์ด ์•„๋‹ˆ๋‹ค. ๋Š” ์„ ๋‹จ์ง€๋ณ„๋กœ ๋ฒˆํ˜ธ๋ฅผ ๋ถ™์ธ ๊ฒƒ์ด๋‹ค. ์ง€๋„๋ฅผ ์ž…๋ ฅํ•˜์—ฌ ๋‹จ์ง€์ˆ˜๋ฅผ ์ถœ๋ ฅํ•˜๊ณ , ๊ฐ ๋‹จ์ง€์— ์†ํ•˜๋Š” ์ง‘์˜ ์ˆ˜๋ฅผ ์˜ค๋ฆ„์ฐจ์ˆœ์œผ๋กœ ์ •๋ ฌํ•˜์—ฌ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค.โœ๐Ÿปํ’€์ด๊ฐ ๋‹จ์ง€์— ์†ํ•˜๋Š” ์ง‘์˜ ์ˆ˜.. 2025. 2. 5.
[๋ฐฑ์ค€] 24480. ์•Œ๊ณ ๋ฆฌ์ฆ˜ ์ˆ˜์—… - ๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰ 2/Python - Silver 2 โ“๋ฌธ์ œhttps://www.acmicpc.net/problem/24480์„ฑ๋Šฅ ์š”์•ฝ๋ฉ”๋ชจ๋ฆฌ: 70312 KB, ์‹œ๊ฐ„: 540 ms๋ถ„๋ฅ˜๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰, ๊ทธ๋ž˜ํ”„ ์ด๋ก , ๊ทธ๋ž˜ํ”„ ํƒ์ƒ‰, ์ •๋ ฌ๋ฌธ์ œ ์„ค๋ช…์˜ค๋Š˜๋„ ์„œ์ค€์ด๋Š” ๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰(DFS) ์ˆ˜์—… ์กฐ๊ต๋ฅผ ํ•˜๊ณ  ์žˆ๋‹ค. ์•„๋น ๊ฐ€ ์ˆ˜์—…ํ•œ ๋‚ด์šฉ์„ ํ•™์ƒ๋“ค์ด ์ž˜ ์ดํ•ดํ–ˆ๋Š”์ง€ ๋ฌธ์ œ๋ฅผ ํ†ตํ•ด์„œ ํ™•์ธํ•ด๋ณด์ž.N๊ฐœ์˜ ์ •์ ๊ณผ M๊ฐœ์˜ ๊ฐ„์„ ์œผ๋กœ ๊ตฌ์„ฑ๋œ ๋ฌด๋ฐฉํ–ฅ ๊ทธ๋ž˜ํ”„(undirected graph)๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. ์ •์  ๋ฒˆํ˜ธ๋Š” 1๋ฒˆ๋ถ€ํ„ฐ N๋ฒˆ์ด๊ณ  ๋ชจ๋“  ๊ฐ„์„ ์˜ ๊ฐ€์ค‘์น˜๋Š” 1์ด๋‹ค. ์ •์  R์—์„œ ์‹œ์ž‘ํ•˜์—ฌ ๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰์œผ๋กœ ๋…ธ๋“œ๋ฅผ ๋ฐฉ๋ฌธํ•  ๊ฒฝ์šฐ ๋…ธ๋“œ์˜ ๋ฐฉ๋ฌธ ์ˆœ์„œ๋ฅผ ์ถœ๋ ฅํ•˜์ž.๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰ ์˜์‚ฌ ์ฝ”๋“œ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค. ์ธ์ ‘ ์ •์ ์€ ๋‚ด๋ฆผ์ฐจ์ˆœ์œผ๋กœ ๋ฐฉ๋ฌธํ•œ๋‹ค.dfs(V, E, R) { # V : ์ •์  ์ง‘ํ•ฉ, E : ๊ฐ„์„  .. 2025. 2. 4.
[SWEA] 5215.ํ–„๋ฒ„๊ฑฐ ๋‹ค์ด์–ดํŠธ/Python - D3 โ“๋ฌธ์ œhttps://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AWT-lPB6dHUDFAVT SW Expert AcademySW ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ญ๋Ÿ‰ ๊ฐ•ํ™”์— ๋„์›€์ด ๋˜๋Š” ๋‹ค์–‘ํ•œ ํ•™์Šต ์ปจํ…์ธ ๋ฅผ ํ™•์ธํ•˜์„ธ์š”!swexpertacademy.com์„ฑ๋Šฅ ์š”์•ฝ๋ฉ”๋ชจ๋ฆฌ: 57,264 KB, ์‹œ๊ฐ„: 590 ms, ์ฝ”๋“œ๊ธธ์ด: 441 Bytesโœ๐Ÿปํ’€์ด์ •ํ•ด์ง„ ์นผ๋กœ๋ฆฌ๋ฅผ ๋„˜๊ธฐ์ง€ ์•Š์œผ๋ฉด์„œ ๊ฐ€์žฅ ์ ์ˆ˜๊ฐ€ ๋†’์€ ํ–„๋ฒ„๊ฑฐ๋ฅผ ์ฐพ๋Š” ๋ฌธ์ œ์ด๋‹ค.์ •ํ•ด์ง„ ์นผ๋กœ๋ฆฌ๊ฐ€ 1000์ผ ๋•Œ, ์ฃผ์–ด์ง„ ์žฌ๋ฃŒ๋“ค๋กœ 1000์„ ๋„˜๊ธฐ์ง€ ์•Š์œผ๋ฉด์„œ ๊ฐ€์žฅ ์ ์ˆ˜๊ฐ€ ๋†’์€ ํ–„๋ฒ„๊ฑฐ๋ฅผ ๋งŒ๋“ค์–ด์•ผ ํ•œ๋‹ค.์ฃผ์–ด์ง„ ์žฌ๋ฃŒ๋“ค์˜ ์ ์ˆ˜์™€ ์นผ๋กœ๋ฆฌ๊ฐ€ ๊ฐ๊ฐ (100, 200), (300, 500), (250, 300), (500, 10.. 2024. 11. 12.
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