結果
| 問題 |
No.1601 With Animals into Institute
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2021-07-14 08:51:23 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 2,311 ms / 3,000 ms |
| コード長 | 3,286 bytes |
| コンパイル時間 | 2,681 ms |
| コンパイル使用メモリ | 80,236 KB |
| 実行使用メモリ | 155,516 KB |
| 最終ジャッジ日時 | 2024-07-03 07:46:56 |
| 合計ジャッジ時間 | 34,773 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 36 |
ソースコード
import java.io.*;
import java.util.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int m = sc.nextInt();
ArrayList<HashMap<Integer, Integer>> withGraph = new ArrayList<>();
ArrayList<HashMap<Integer, Integer>> withoutGraph = new ArrayList<>();
for (int i = 0; i < n; i++) {
withGraph.add(new HashMap<>());
withoutGraph.add(new HashMap<>());
}
for (int i = 0; i < m; i++) {
int a = sc.nextInt() - 1;
int b = sc.nextInt() - 1;
int c = sc.nextInt();
boolean hasAnimal = (sc.nextInt() == 1);
if (hasAnimal) {
if (!withGraph.get(a).containsKey(b) || withGraph.get(a).get(b) > c) {
withGraph.get(a).put(b, c);
withGraph.get(b).put(a, c);
}
} else {
if (!withoutGraph.get(a).containsKey(b) || withoutGraph.get(a).get(b) > c) {
withoutGraph.get(a).put(b, c);
withoutGraph.get(b).put(a, c);
}
}
}
PriorityQueue<Path> queue = new PriorityQueue<>();
queue.add(new Path(n - 1, 0, 0));
long[][] costs = new long[2][n];
Arrays.fill(costs[0], Long.MAX_VALUE);
Arrays.fill(costs[1], 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;
for (int x : withGraph.get(p.idx).keySet()) {
queue.add(new Path(x, 1, p.value + withGraph.get(p.idx).get(x)));
}
for (int x : withoutGraph.get(p.idx).keySet()) {
queue.add(new Path(x, p.type, p.value + withoutGraph.get(p.idx).get(x)));
}
}
StringBuilder sb = new StringBuilder();
for (int i = 0; i < n - 1; i++) {
sb.append(costs[1][i]).append("\n");
}
System.out.print(sb);
}
static class Path implements Comparable<Path> {
int idx;
int type;
long value;
public Path(int idx, int type, long value) {
this.idx = idx;
this.type = type;
this.value = value;
}
public int compareTo(Path another) {
if (value == another.value) {
return 0;
} else if (value < another.value) {
return -1;
} else {
return 1;
}
}
}
}
class Scanner {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer("");
public Scanner() throws Exception {
}
public int nextInt() throws Exception {
return Integer.parseInt(next());
}
public long nextLong() throws Exception {
return Long.parseLong(next());
}
public String next() throws Exception {
if (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
return st.nextToken();
}
}
tenten