From f983a470e8d763d45df01fb78284ed0f2574b672 Mon Sep 17 00:00:00 2001 From: LiiNi-coder <97495437+LiiNi-coder@users.noreply.github.com> Date: Wed, 24 Dec 2025 20:08:24 +0900 Subject: [PATCH] =?UTF-8?q?[20251224]=20BOJ=20/=20G4=20/=20=ED=94=8C?= =?UTF-8?q?=EB=A1=9C=EC=9D=B4=EB=93=9C=20/=20=EC=9D=B4=EC=9D=B8=ED=9D=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...14\353\241\234\354\235\264\353\223\234.md" | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 "LiiNi-coder/202512/24 BOJ \355\224\214\353\241\234\354\235\264\353\223\234.md" diff --git "a/LiiNi-coder/202512/24 BOJ \355\224\214\353\241\234\354\235\264\353\223\234.md" "b/LiiNi-coder/202512/24 BOJ \355\224\214\353\241\234\354\235\264\353\223\234.md" new file mode 100644 index 00000000..80ea5011 --- /dev/null +++ "b/LiiNi-coder/202512/24 BOJ \355\224\214\353\241\234\354\235\264\353\223\234.md" @@ -0,0 +1,56 @@ +```java +import java.io.*; +import java.util.*; + +public class Main { + static final int INF = 1_000_000_000; + + public static void main(String[] args) throws IOException { + BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + int N = Integer.parseInt(br.readLine()); + int M = Integer.parseInt(br.readLine()); + int[][] dist = new int[N + 1][N + 1]; + for(int i = 1; i <= N; i++){ + for(int j = 1; j <= N; j++){ + if(i == j){ + dist[i][j] = 0; + } else { + dist[i][j] = INF; + } + } + } + + for(int i = 0; i < M; i++){ + StringTokenizer st = new StringTokenizer(br.readLine()); + int s = Integer.parseInt(st.nextToken()); + int e = Integer.parseInt(st.nextToken()); + int w = Integer.parseInt(st.nextToken()); + dist[s][e] = Math.min(dist[s][e], w); + } + //플루이드워셜 + for(int k = 1; k <= N; k++){ + for(int i = 1; i <= N; i++){ + for(int j = 1; j <= N; j++){ + if(dist[i][j] > dist[i][k] + dist[k][j]){ + dist[i][j] = dist[i][k] + dist[k][j]; + } + } + } + } + + StringBuilder sb = new StringBuilder(); + for(int i = 1; i <= N; i++){ + for(int j = 1; j <= N; j++){ + if(dist[i][j] == INF){ + sb.append(0).append(" "); + } else { + sb.append(dist[i][j]).append(" "); + } + } + sb.append("\n"); + } + System.out.println(sb.toString()); + } +} + +```