結果
問題 | No.30 たこやき工場 |
ユーザー |
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提出日時 | 2023-01-26 10:13:39 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 102 ms / 5,000 ms |
コード長 | 2,526 bytes |
コンパイル時間 | 3,302 ms |
コンパイル使用メモリ | 86,064 KB |
実行使用メモリ | 38,676 KB |
最終ジャッジ日時 | 2024-06-27 06:40:54 |
合計ジャッジ時間 | 4,337 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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ファイルパターン | 結果 |
---|---|
other | AC * 17 |
ソースコード
import java.io.*;import java.util.*;import java.util.stream.*;public class Main {static long[] dp;static ArrayList<HashMap<Integer, Integer>> graph = new ArrayList<>();public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int n = sc.nextInt();for (int i = 0; i < n; i++) {graph.add(new HashMap<>());}int m = sc.nextInt();int[] counts = new int[n];for (int i = 0; i < m; i++) {int p = sc.nextInt() - 1;int q = sc.nextInt();int r = sc.nextInt() - 1;graph.get(p).put(r, q);counts[r]++;}dp = new long[n];Arrays.fill(dp, -1);dp[n - 1] = 1;StringBuilder sb = new StringBuilder();for (int i = 0; i < n - 1; i++) {if (counts[i] > 0) {sb.append("0\n");continue;}sb.append(dfw(i)).append("\n");}System.out.print(sb);}static long dfw(int idx) {if (dp[idx] < 0) {dp[idx] = 0;for (int x : graph.get(idx).keySet()) {dp[idx] += dfw(x) * graph.get(idx).get(x);}}return dp[idx];}}class Utilities {static String arrayToLineString(Object[] arr) {return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));}static String arrayToLineString(int[] arr) {return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));}}class Scanner {BufferedReader br = new BufferedReader(new InputStreamReader(System.in));StringTokenizer st = new StringTokenizer("");StringBuilder sb = new StringBuilder();public Scanner() throws Exception {}public int nextInt() throws Exception {return Integer.parseInt(next());}public long nextLong() throws Exception {return Long.parseLong(next());}public double nextDouble() throws Exception {return Double.parseDouble(next());}public int[] nextIntArray() throws Exception {return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();}public String next() throws Exception {while (!st.hasMoreTokens()) {st = new StringTokenizer(br.readLine());}return st.nextToken();}}