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๋ชฉ๋กํ ๋งํ (1)
lgvv98
[Swift] BOJ 7576 ํ ๋งํ
BOJ 7576 ํ ๋งํ โ ํ ๋งํ ๋ฌธ์ ๋ ์กฐ๊ธ ๋ ์๊ฐํด์ผ ํ์ผ๋ ๊ทธ๋๋ ์ด๋ ต์ง๋ ์์๋ค. ๋ค๋ง, ์๊ฐ์ด๊ณผ๋ฅผ ํด๊ฒฐํ์ง ๋ชปํด์ ๊ตฌ๊ธ๋ง์ ํ์๋๋ฐ, ์๋ฃ๊ตฌ์กฐ์ ๋ํ ์ดํด๋ ํ์คํ ์ค์ํ๋ค๊ณ ๋๋ ์๊ฐ์ด์๋ค. โ ์๊ฐ์ด๊ณผ๊ฐ ๋๊ณ ๋๋ฆ ๊ฐ์ ํ์ฝ๋ queue์์ removeFirst()๋ฅผ ์ฌ์ฉํ๋ฉด O(N)์ด ๊ฑธ๋ฆฌ๋ index๋ก ์ฐธ์กฐํ๊ฒ๋ ์์ ๊ทธ๋ฌ๋ ์๊ฐ์ด๊ณผ๋ ์ฌ์ ํ ๋๊ฐ์๋ค. let n = readLine()!.components(separatedBy: " ").map { Int("\($0)")! } var matrix = [[Int]](repeating: [Int](repeating: 0, count: n[0]), count: n[1]) var visited = [[Bool]](repeating: [Bool]..
์ฝ๋ฉํ
์คํธ
2022. 4. 3. 20:51