[c++]๋ฐฑ์ค€ 1260๋ฒˆ : DFS์™€ BFS
Algorithm ๋ฌธ์ œ/BOJ 2020. 3. 20. 20:33

๋ฌธ์ œ : ๋ฐฑ์ค€ 1260๋ฒˆ _ DFS์™€ BFS ์‹œ๊ฐ„ ์ œํ•œ ๋ฉ”๋ชจ๋ฆฌ ์ œํ•œ ์ œ์ถœ ์ •๋‹ต ๋งž์€ ์‚ฌ๋žŒ ์ •๋‹ต ๋น„์œจ 2 ์ดˆ 128 MB 87845 28912 16832 31.543% ๋ฌธ์ œ ๊ทธ๋ž˜ํ”„๋ฅผ DFS๋กœ ํƒ์ƒ‰ํ•œ ๊ฒฐ๊ณผ์™€ BFS๋กœ ํƒ์ƒ‰ํ•œ ๊ฒฐ๊ณผ๋ฅผ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ๋‹จ, ๋ฐฉ๋ฌธํ•  ์ˆ˜ ์žˆ๋Š” ์ •์ ์ด ์—ฌ๋Ÿฌ ๊ฐœ์ธ ๊ฒฝ์šฐ์—๋Š” ์ •์  ๋ฒˆํ˜ธ๊ฐ€ ์ž‘์€ ๊ฒƒ์„ ๋จผ์ € ๋ฐฉ๋ฌธํ•˜๊ณ , ๋” ์ด์ƒ ๋ฐฉ๋ฌธํ•  ์ˆ˜ ์žˆ๋Š” ์ ์ด ์—†๋Š” ๊ฒฝ์šฐ ์ข…๋ฃŒํ•œ๋‹ค. ์ •์  ๋ฒˆํ˜ธ๋Š” 1๋ฒˆ๋ถ€ํ„ฐ N๋ฒˆ๊นŒ์ง€์ด๋‹ค. ์ž…๋ ฅ ์ฒซ์งธ ์ค„์— ์ •์ ์˜ ๊ฐœ์ˆ˜ N(1 ≤ N ≤ 1,000), ๊ฐ„์„ ์˜ ๊ฐœ์ˆ˜ M(1 ≤ M ≤ 10,000), ํƒ์ƒ‰์„ ์‹œ์ž‘ํ•  ์ •์ ์˜ ๋ฒˆํ˜ธ V๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. ๋‹ค์Œ M๊ฐœ์˜ ์ค„์—๋Š” ๊ฐ„์„ ์ด ์—ฐ๊ฒฐํ•˜๋Š” ๋‘ ์ •์ ์˜ ๋ฒˆํ˜ธ๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. ์–ด๋–ค ๋‘ ์ •์  ์‚ฌ์ด์— ์—ฌ๋Ÿฌ ๊ฐœ์˜ ๊ฐ„์„ ์ด ์žˆ์„ ์ˆ˜ ์žˆ๋‹ค. ์ž…๋ ฅ์œผ๋กœ..