結果
問題 | No.30 たこやき工場 |
ユーザー | fujisu |
提出日時 | 2015-02-13 23:44:18 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 102 ms / 5,000 ms |
コード長 | 3,531 bytes |
コンパイル時間 | 2,490 ms |
コンパイル使用メモリ | 80,376 KB |
実行使用メモリ | 51,740 KB |
最終ジャッジ日時 | 2024-06-01 02:56:56 |
合計ジャッジ時間 | 4,157 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 56 ms
50,288 KB |
testcase_01 | AC | 55 ms
50,268 KB |
testcase_02 | AC | 55 ms
50,220 KB |
testcase_03 | AC | 56 ms
50,068 KB |
testcase_04 | AC | 55 ms
50,284 KB |
testcase_05 | AC | 56 ms
50,476 KB |
testcase_06 | AC | 58 ms
50,380 KB |
testcase_07 | AC | 56 ms
50,284 KB |
testcase_08 | AC | 60 ms
50,460 KB |
testcase_09 | AC | 68 ms
50,528 KB |
testcase_10 | AC | 102 ms
51,740 KB |
testcase_11 | AC | 61 ms
50,220 KB |
testcase_12 | AC | 56 ms
50,384 KB |
testcase_13 | AC | 58 ms
50,132 KB |
testcase_14 | AC | 61 ms
50,124 KB |
testcase_15 | AC | 62 ms
50,028 KB |
testcase_16 | AC | 79 ms
50,672 KB |
ソースコード
import java.io.IOException; import java.util.InputMismatchException; import java.util.LinkedList; import java.util.List; import java.util.TreeSet; public class Main { int n; List<Integer>[] e; int[][] g; List<Integer> topologicalSort(List<Integer>[] e) { int n = e.length; int[] inDegree = new int[n]; for (int i = 0; i < n; i++) { for (Integer to : e[i]) { inDegree[to]++; } } List<Integer> l = new LinkedList<Integer>(); TreeSet<Integer> s = new TreeSet<Integer>(); for (int i = 0; i < n; i++) { if (inDegree[i] == 0) { s.add(i); } } while (!s.isEmpty()) { int from = s.first(); s.remove(from); l.add(from); for (Integer to : e[from]) { inDegree[to]--; if (inDegree[to] == 0) { s.add(to); } } } if (l.size() == n) { return l; } else { return null; } } void run() { MyScanner sc = new MyScanner(); n = sc.nextInt(); int m = sc.nextInt(); g = new int[n][n]; e = new LinkedList[n]; for (int i = 0; i < n; i++) { e[i] = new LinkedList<Integer>(); } for (int i = 0; i < m; i++) { int u = sc.nextInt() - 1; int c = sc.nextInt(); int v = sc.nextInt() - 1; e[v].add(u); g[v][u] = c; } List<Integer> perm = topologicalSort(e); int[] ans = new int[n]; ans[n - 1] = 1; for (int i = 0; i < n; i++) { int k = perm.get(i); for (Integer to : e[k]) { ans[to] += ans[k] * g[k][to]; } } for (int i = 0; i < n - 1; i++) { if (e[i].size() == 0) { System.out.println(ans[i]); } else { System.out.println(0); } } } public static void main(String[] args) { new Main().run(); } public void mapDebug(int[][] a) { System.out.println("--------map display---------"); for (int i = 0; i < a.length; i++) { for (int j = 0; j < a[i].length; j++) { System.out.printf("%3d ", a[i][j]); } System.out.println(); } System.out.println("----------------------------" + '\n'); } class MyScanner { int read() { try { return System.in.read(); } catch (IOException e) { throw new InputMismatchException(); } } boolean isSpaceChar(int c) { return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1; } boolean isEndline(int c) { return c == '\n' || c == '\r' || c == -1; } int nextInt() { return Integer.parseInt(next()); } int[] nextIntArray(int n) { int[] array = new int[n]; for (int i = 0; i < n; i++) array[i] = nextInt(); return array; } long nextLong() { return Long.parseLong(next()); } long[] nextLongArray(int n) { long[] array = new long[n]; for (int i = 0; i < n; i++) array[i] = nextLong(); return array; } double nextDouble() { return Double.parseDouble(next()); } double[] nextDoubleArray(int n) { double[] array = new double[n]; for (int i = 0; i < n; i++) array[i] = nextDouble(); return array; } String next() { int c = read(); while (isSpaceChar(c)) c = read(); StringBuilder res = new StringBuilder(); do { res.appendCodePoint(c); c = read(); } while (!isSpaceChar(c)); return res.toString(); } String[] nextStringArray(int n) { String[] array = new String[n]; for (int i = 0; i < n; i++) array[i] = next(); return array; } String nextLine() { int c = read(); while (isEndline(c)) c = read(); StringBuilder res = new StringBuilder(); do { res.appendCodePoint(c); c = read(); } while (!isEndline(c)); return res.toString(); } } }