[20250407] BOJ / G2 / 면접보는 승범이네 / 권혁준

Author: oncsr

khj20006/202504/07 BOJ G2 면접보는 승범이네.md

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+```java
+
+import java.util.*;
+import java.io.*;
+
+class Main {
+	
+	// IO field
+	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+	static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+	static StringTokenizer st = new StringTokenizer("");
+
+	static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+	static String nextToken() throws Exception {
+		while(!st.hasMoreTokens()) nextLine();
+		return st.nextToken();
+	}
+	static int nextInt() throws Exception { return Integer.parseInt(nextToken()); }
+	static long nextLong() throws Exception { return Long.parseLong(nextToken()); }
+	static double nextDouble() throws Exception { return Double.parseDouble(nextToken()); }
+	static void bwEnd() throws Exception {bw.flush();bw.close();}
+	
+	// Additional field
+	
+	static int N, M, K;
+	static List<int[]>[] V;
+	
+	static final long INF = (long)1e18 + 7;
+	
+	public static void main(String[] args) throws Exception {
+			
+		ready();
+		solve();
+	
+		bwEnd();
+		
+	}
+	
+	static void ready() throws Exception{
+		
+		N = nextInt();
+		M = nextInt();
+		K = nextInt();
+		V = new List[N+1];
+		for(int i=1;i<=N;i++) V[i] = new ArrayList<>();
+		for(int i=0;i<M;i++) {
+			int a = nextInt(), b = nextInt(), c = nextInt();
+			V[b].add(new int[] {a,c});
+		}
+		
+	}
+	
+	static void solve() throws Exception{
+		
+		PriorityQueue<long[]> Q = new PriorityQueue<>((a,b) -> {
+			if(a[0] < b[0]) return -1;
+			if(a[0] > b[0]) return 1;
+			return 0;
+		});
+		long[] D = new long[N+1];
+		Arrays.fill(D, INF);
+		for(int i=0;i<K;i++) {
+			int k = nextInt();
+			D[k] = 0;
+			Q.offer(new long[] {0,k});
+		}
+		
+		while(!Q.isEmpty()) {
+			long[] now = Q.poll();
+			long d = now[0];
+			int n = (int)now[1];
+			if(d > D[n]) continue;
+			for(int[] next:V[n]) {
+				int i = next[0], c = next[1];
+				if(D[i] > d+c) {
+					D[i] = d+c;
+					Q.offer(new long[] {D[i],i});
+				}
+			}
+		}
+		
+		long num = -1, dist = -1;
+		for(int i=1;i<=N;i++) if(D[i] != INF) {
+			if(D[i] > dist) {
+				num = i;
+				dist = D[i];
+			}
+		}
+		bw.write(num + "\n" + dist);
+		
+	}
+	
+}
+
+```