結果
| 問題 |
No.2805 Go to School
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2024-07-17 10:22:49 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 3,084 bytes |
| コンパイル時間 | 3,252 ms |
| コンパイル使用メモリ | 82,572 KB |
| 実行使用メモリ | 107,208 KB |
| 最終ジャッジ日時 | 2025-04-09 15:42:48 |
| 合計ジャッジ時間 | 28,459 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 35 WA * 1 |
ソースコード
import java.io.*;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int m = sc.nextInt();
int count = sc.nextInt();
int start = sc.nextInt();
int limit = start + sc.nextInt();
List<List<Path>> graph = new ArrayList<>();
for (int i = 0; i < n; i++) {
graph.add(new ArrayList<>());
}
for (int i = 0; i < m; i++) {
int a = sc.nextInt() - 1;
int b = sc.nextInt() - 1;
int c = sc.nextInt();
graph.get(a).add(new Path(b, c));
graph.get(b).add(new Path(a, c));
}
boolean[] hasRest = new boolean[n];
while (count-- > 0) {
hasRest[sc.nextInt() - 1] = true;
}
PriorityQueue<Path> queue = new PriorityQueue<>();
queue.add(new Path(0, 0, 0));
long[][] costs = new long[2][n];
for (long[] arr : costs) {
Arrays.fill(arr, Long.MAX_VALUE);
}
while (queue.size() > 0) {
Path p = queue.poll();
if (costs[p.type][p.idx] <= p.value) {
continue;
}
costs[p.type][p.idx] = p.value;
if (p.type == 0 && hasRest[p.idx] && p.value <= limit) {
queue.add(new Path(1, p.idx, Math.max(start, p.value) + 1));
}
for (Path x : graph.get(p.idx)) {
queue.add(new Path(p.type, x.idx, p.value + x.value));
}
}
System.out.println(costs[1][n - 1] == Long.MAX_VALUE ? -1 : costs[1][n - 1]);
}
static class Path implements Comparable<Path> {
int type;
int idx;
long value;
public Path(int type, int idx, long value) {
this.type = type;
this.idx = idx;
this.value = value;
}
public Path(int idx, long value) {
this(0, idx, value);
}
public int compareTo(Path another) {
return Long.compare(value, another.value);
}
}
}
class Scanner {
BufferedReader br;
StringTokenizer st = new StringTokenizer("");
StringBuilder sb = new StringBuilder();
public Scanner() {
try {
br = new BufferedReader(new InputStreamReader(System.in));
} catch (Exception e) {
}
}
public int nextInt() {
return Integer.parseInt(next());
}
public long nextLong() {
return Long.parseLong(next());
}
public double nextDouble() {
return Double.parseDouble(next());
}
public String next() {
try {
while (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
} catch (Exception e) {
e.printStackTrace();
} finally {
return st.nextToken();
}
}
}
tenten