From 072e1399b5c92325e56ad24471f3cb4b64f2dda8 Mon Sep 17 00:00:00 2001 From: JHLEE325 <82587652+JHLEE325@users.noreply.github.com> Date: Thu, 12 Feb 2026 15:27:17 +0900 Subject: [PATCH] =?UTF-8?q?[20260212]=20BOJ=20/=20G5=20/=20=EA=B2=BD?= =?UTF-8?q?=EC=9F=81=EC=A0=81=20=EC=A0=84=EC=97=BC=20/=20=EC=9D=B4?= =?UTF-8?q?=EC=A4=80=ED=9D=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...1\354\240\201 \354\240\204\354\227\274.md" | 78 +++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 "JHLEE325/202602/12 BOJ G5 \352\262\275\354\237\201\354\240\201 \354\240\204\354\227\274.md" diff --git "a/JHLEE325/202602/12 BOJ G5 \352\262\275\354\237\201\354\240\201 \354\240\204\354\227\274.md" "b/JHLEE325/202602/12 BOJ G5 \352\262\275\354\237\201\354\240\201 \354\240\204\354\227\274.md" new file mode 100644 index 00000000..5ff2402f --- /dev/null +++ "b/JHLEE325/202602/12 BOJ G5 \352\262\275\354\237\201\354\240\201 \354\240\204\354\227\274.md" @@ -0,0 +1,78 @@ +```java +import java.io.*; +import java.util.*; + +class Virus implements Comparable { + int id, time, r, c; + + public Virus(int id, int time, int r, int c) { + this.id = id; + this.time = time; + this.r = r; + this.c = c; + } + + // 바이러스 번호 기준 오름차순 정렬 + @Override + public int compareTo(Virus o) { + return this.id - o.id; + } +} + +public class Main { + static int N, K, S, targetX, targetY; + static int[][] map; + static int[] dr = {-1, 1, 0, 0}; + static int[] dc = {0, 0, -1, 1}; + + public static void main(String[] args) throws IOException { + BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + StringTokenizer st = new StringTokenizer(br.readLine()); + + N = Integer.parseInt(st.nextToken()); + K = Integer.parseInt(st.nextToken()); + map = new int[N][N]; + + List virusList = new ArrayList<>(); + + for (int i = 0; i < N; i++) { + st = new StringTokenizer(br.readLine()); + for (int j = 0; j < N; j++) { + map[i][j] = Integer.parseInt(st.nextToken()); + if (map[i][j] != 0) { + virusList.add(new Virus(map[i][j], 0, i, j)); + } + } + } + + Collections.sort(virusList); + + Deque q = new ArrayDeque<>(virusList); + + st = new StringTokenizer(br.readLine()); + S = Integer.parseInt(st.nextToken()); + targetX = Integer.parseInt(st.nextToken()); + targetY = Integer.parseInt(st.nextToken()); + + while (!q.isEmpty()) { + Virus curr = q.poll(); + + if (curr.time == S) break; + + for (int i = 0; i < 4; i++) { + int nr = curr.r + dr[i]; + int nc = curr.c + dc[i]; + + if (nr >= 0 && nr < N && nc >= 0 && nc < N) { + if (map[nr][nc] == 0) { + map[nr][nc] = curr.id; + q.add(new Virus(curr.id, curr.time + 1, nr, nc)); + } + } + } + } + + System.out.println(map[targetX - 1][targetY - 1]); + } +} +```