結果
問題 | No.787 Mice and Traitors(ネズミ達と裏切り者) |
ユーザー |
|
提出日時 | 2020-03-23 16:45:22 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 155 ms / 2,000 ms |
コード長 | 2,868 bytes |
コンパイル時間 | 3,370 ms |
コンパイル使用メモリ | 78,640 KB |
実行使用メモリ | 41,284 KB |
最終ジャッジ日時 | 2024-12-26 10:13:49 |
合計ジャッジ時間 | 5,783 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 10 |
ソースコード
import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.NoSuchElementException; import java.util.PriorityQueue; class Edge{ int dst; long cost; public Edge(int dst,long cost) { this.dst=dst; this.cost=cost; } } public class Main { public static void main(String[] args) throws FileNotFoundException { long t = System.currentTimeMillis(); new Main().run(); System.err.println(System.currentTimeMillis() - t); } void run() { FastScanner sc = new FastScanner(); double P=Double.valueOf(sc.next())*0.01; double Q=Double.valueOf(sc.next())*0.01; double a=P*Q; double b=(1-P)*(1-Q); System.out.println(String.format("%.20f", a/(a+b)*100)); } static void tr(Object... objects) { System.out.println(Arrays.deepToString(objects)); } } class FastScanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; }else{ ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); return hasNextByte();} public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while(isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return minus ? -n : n; }else{ throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { return (int)nextLong(); } }