From 9565df6a8e3d6d727c941e876d6f3cf07333bd51 Mon Sep 17 00:00:00 2001
From: suyeun84 <81475092+suyeun84@users.noreply.github.com>
Date: Mon, 10 Mar 2025 17:33:42 +0900
Subject: [PATCH] =?UTF-8?q?[20250310]=20BOJ=20/=20G4=20/=20=ED=8A=B8?=
 =?UTF-8?q?=EB=A6=AC=EC=9D=98=20=EC=A7=80=EB=A6=84=20/=20=EA=B9=80?=
 =?UTF-8?q?=EC=88=98=EC=97=B0?=
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---
 ...4\354\235\230 \354\247\200\353\246\204.md" | 58 +++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 "suyeun84/202503/10 BOJ G4 \355\212\270\353\246\254\354\235\230 \354\247\200\353\246\204.md"

diff --git "a/suyeun84/202503/10 BOJ G4 \355\212\270\353\246\254\354\235\230 \354\247\200\353\246\204.md" "b/suyeun84/202503/10 BOJ G4 \355\212\270\353\246\254\354\235\230 \354\247\200\353\246\204.md"
new file mode 100644
index 00000000..792d586e
--- /dev/null
+++ "b/suyeun84/202503/10 BOJ G4 \355\212\270\353\246\254\354\235\230 \354\247\200\353\246\204.md"	
@@ -0,0 +1,58 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class boj1967 {
+	  static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    static StringTokenizer st;
+    static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+    static int nextInt() {return Integer.parseInt(st.nextToken());}
+    
+    static ArrayList<ArrayList<Node>> graph;
+    static boolean[] visited;
+    static int answer = 0;
+	  public static void main(String[] args) throws Exception {
+  		nextLine();
+  		int n = nextInt();
+  		graph = new ArrayList<>(n+1);
+  		visited = new boolean[n+1];
+  		for (int i = 0; i < n+1; i++) graph.add(new ArrayList<>());
+  		for (int i = 0; i < n-1; i++) {
+  			nextLine();
+  			int a = nextInt();
+  			int b = nextInt();
+  			int c = nextInt();
+  			graph.get(a).add(new Node(b, c));
+  			graph.get(b).add(new Node(a, c));
+  		}
+  		
+  		for (int i = 1; i <= n; i++) {
+  			if (graph.get(i).size() != 1) continue;
+  			visited[i] = true;
+  			dfs(i, 0);
+  			visited[i] = false;
+  		}
+  		System.out.println(answer);
+    }
+	
+  	static void dfs(int node, int total) {
+  		for (Node n : graph.get(node)) {
+  			if (visited[n.n]) continue;
+  			visited[n.n] = true;
+  			dfs(n.n, total + n.c);
+  			visited[n.n] = false;
+  		}
+  		answer = Math.max(answer, total);
+  	}
+	
+	  static class Node {
+  		int n;
+  		int c;
+  		public Node(int n, int c) {
+  			this.n = n;
+  			this.c = c;
+  		}
+	  }
+}
+
+```