結果
問題 | No.212 素数サイコロと合成数サイコロ (2) |
ユーザー | suigingin |
提出日時 | 2015-05-22 22:48:48 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 458 ms / 5,000 ms |
コード長 | 3,470 bytes |
コンパイル時間 | 4,043 ms |
コンパイル使用メモリ | 79,492 KB |
実行使用メモリ | 54,120 KB |
最終ジャッジ日時 | 2024-07-06 05:19:08 |
合計ジャッジ時間 | 6,090 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 126 ms
54,120 KB |
testcase_01 | AC | 133 ms
53,848 KB |
testcase_02 | AC | 129 ms
54,028 KB |
testcase_03 | AC | 131 ms
53,880 KB |
testcase_04 | AC | 150 ms
53,884 KB |
testcase_05 | AC | 458 ms
54,028 KB |
testcase_06 | AC | 179 ms
53,388 KB |
testcase_07 | AC | 199 ms
54,120 KB |
testcase_08 | AC | 134 ms
53,904 KB |
testcase_09 | AC | 133 ms
54,076 KB |
ソースコード
import java.util.Arrays; import java.util.Scanner; public class YukiB { MyScanner sc = new MyScanner(); Scanner sc2 = new Scanner(System.in); long start = System.currentTimeMillis(); long fin = System.currentTimeMillis(); final int MOD = 1000000007; int[] dx = { 1, 0, 0, -1 }; int[] dy = { 0, 1, -1, 0 }; int P, C; double ex; int p[] = { 2, 3, 5, 7, 11, 13 }; int c[] = { 4, 6, 8, 9, 10, 12 }; void run() { P = sc.nextInt(); C = sc.nextInt(); ex = 0; dfs(0, 1.0); ex /= Math.pow(6, P + C); System.out.println(ex); } void dfs(int depth, double sum) { if (depth == P + C) { ex += sum; return; } if (depth < P) { for (int i = 0; i < p.length; i++) { dfs(depth + 1, sum * p[i]); } } else { for (int i = 0; i < c.length; i++) { dfs(depth + 1, sum * c[i]); } } } public static void main(String[] args) { new YukiB().run(); } void debug(Object... o) { System.out.println(Arrays.deepToString(o)); } void debug2(char[][] array) { for (int i = 0; i < array.length; i++) { for (int j = 0; j < array[i].length; j++) { System.out.print(array[i][j]); } System.out.println(); } } boolean inner(int h, int w, int limH, int limW) { return 0 <= h && h < limH && 0 <= w && w < limW; } void swap(int[] x, int a, int b) { int tmp = x[a]; x[a] = x[b]; x[b] = tmp; } // find minimum i (a[i] >= border) int lower_bound(int a[], int border) { int l = -1; int r = a.length; while (r - l > 1) { int mid = (l + r) / 2; if (border <= a[mid]) { r = mid; } else { l = mid; } } // r = l + 1 return r; } boolean palindrome(String s) { for (int i = 0; i < s.length() / 2; i++) { if (s.charAt(i) != s.charAt(s.length() - 1 - i)) { return false; } } return true; } class MyScanner { int nextInt() { try { int c = System.in.read(); while (c != '-' && (c < '0' || '9' < c)) c = System.in.read(); if (c == '-') return -nextInt(); int res = 0; do { res *= 10; res += c - '0'; c = System.in.read(); } while ('0' <= c && c <= '9'); return res; } catch (Exception e) { return -1; } } double nextDouble() { return Double.parseDouble(next()); } long nextLong() { return Long.parseLong(next()); } String next() { try { StringBuilder res = new StringBuilder(""); int c = System.in.read(); while (Character.isWhitespace(c)) c = System.in.read(); do { res.append((char) c); } while (!Character.isWhitespace(c = System.in.read())); return res.toString(); } catch (Exception e) { return null; } } int[] nextIntArray(int n) { int[] in = new int[n]; for (int i = 0; i < n; i++) { in[i] = nextInt(); } return in; } int[][] nextInt2dArray(int n, int m) { int[][] in = new int[n][m]; for (int i = 0; i < n; i++) { in[i] = nextIntArray(m); } return in; } double[] nextDoubleArray(int n) { double[] in = new double[n]; for (int i = 0; i < n; i++) { in[i] = nextDouble(); } return in; } long[] nextLongArray(int n) { long[] in = new long[n]; for (int i = 0; i < n; i++) { in[i] = nextLong(); } return in; } char[][] nextCharField(int n, int m) { char[][] in = new char[n][m]; for (int i = 0; i < n; i++) { String s = sc.next(); for (int j = 0; j < m; j++) { in[i][j] = s.charAt(j); } } return in; } } }