結果
問題 | No.787 Mice and Traitors(ネズミ達と裏切り者) |
ユーザー | kusomushi |
提出日時 | 2019-07-10 05:43:53 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 55 ms / 2,000 ms |
コード長 | 3,823 bytes |
コンパイル時間 | 2,613 ms |
コンパイル使用メモリ | 78,988 KB |
実行使用メモリ | 37,596 KB |
最終ジャッジ日時 | 2024-10-13 08:35:24 |
合計ジャッジ時間 | 3,579 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 55 ms
37,592 KB |
testcase_01 | AC | 52 ms
37,536 KB |
testcase_02 | AC | 52 ms
37,476 KB |
testcase_03 | AC | 51 ms
37,488 KB |
testcase_04 | AC | 50 ms
37,592 KB |
testcase_05 | AC | 51 ms
37,596 KB |
testcase_06 | AC | 51 ms
37,588 KB |
testcase_07 | AC | 51 ms
37,388 KB |
testcase_08 | AC | 50 ms
37,412 KB |
testcase_09 | AC | 52 ms
37,192 KB |
ソースコード
import java.io.*; import java.math.BigDecimal; import java.util.Arrays; import java.util.StringJoiner; import java.util.StringTokenizer; import java.util.function.Function; public class Main { static double P, Q; public static void main(String[] args) { FastScanner sc = new FastScanner(System.in); P = Double.parseDouble(sc.next()); Q = Double.parseDouble(sc.next()); System.out.println(BigDecimal.valueOf(solve()).toPlainString()); } static double solve() { double ura_ura = P * Q; double ura_ok = P * (100 - Q); double ok_ok = (100-P) * Q; double ok_ura = (100-P) * (100-Q); return ura_ura / (ura_ura + ok_ura) * 100; } @SuppressWarnings("unused") static class FastScanner { private BufferedReader reader; private StringTokenizer tokenizer; FastScanner(InputStream in) { reader = new BufferedReader(new InputStreamReader(in)); tokenizer = null; } String next() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(reader.readLine()); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } String nextLine() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { return reader.readLine(); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken("\n"); } long nextLong() { return Long.parseLong(next()); } int nextInt() { return Integer.parseInt(next()); } int[] nextIntArray(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = nextInt(); return a; } int[] nextIntArray(int n, int delta) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = nextInt() + delta; return a; } long[] nextLongArray(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nextLong(); return a; } } static <A> void writeLines(A[] as, Function<A, String> f) { PrintWriter pw = new PrintWriter(System.out); for (A a : as) { pw.println(f.apply(a)); } pw.flush(); } static void writeLines(int[] as) { PrintWriter pw = new PrintWriter(System.out); for (int a : as) pw.println(a); pw.flush(); } static void writeLines(long[] as) { PrintWriter pw = new PrintWriter(System.out); for (long a : as) pw.println(a); pw.flush(); } static int max(int... as) { int max = Integer.MIN_VALUE; for (int a : as) max = Math.max(a, max); return max; } static int min(int... as) { int min = Integer.MAX_VALUE; for (int a : as) min = Math.min(a, min); return min; } static void debug(Object... args) { StringJoiner j = new StringJoiner(" "); for (Object arg : args) { if (arg instanceof int[]) j.add(Arrays.toString((int[]) arg)); else if (arg instanceof long[]) j.add(Arrays.toString((long[]) arg)); else if (arg instanceof double[]) j.add(Arrays.toString((double[]) arg)); else if (arg instanceof Object[]) j.add(Arrays.toString((Object[]) arg)); else j.add(arg.toString()); } System.err.println(j.toString()); } }