結果
問題 | No.210 探し物はどこですか? |
ユーザー | uwi |
提出日時 | 2015-05-15 23:34:27 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 655 ms / 2,000 ms |
コード長 | 3,770 bytes |
コンパイル時間 | 3,753 ms |
コンパイル使用メモリ | 78,364 KB |
実行使用メモリ | 57,444 KB |
最終ジャッジ日時 | 2023-09-20 08:38:56 |
合計ジャッジ時間 | 31,999 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge15 |
(要ログイン)
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 | 360 ms
56,216 KB |
testcase_01 | AC | 503 ms
56,268 KB |
testcase_02 | AC | 532 ms
56,756 KB |
testcase_03 | AC | 607 ms
56,016 KB |
testcase_04 | AC | 578 ms
56,224 KB |
testcase_05 | AC | 578 ms
55,812 KB |
testcase_06 | AC | 601 ms
55,936 KB |
testcase_07 | AC | 578 ms
56,696 KB |
testcase_08 | AC | 549 ms
56,096 KB |
testcase_09 | AC | 510 ms
56,884 KB |
testcase_10 | AC | 552 ms
56,016 KB |
testcase_11 | AC | 597 ms
56,160 KB |
testcase_12 | AC | 584 ms
56,256 KB |
testcase_13 | AC | 601 ms
56,036 KB |
testcase_14 | AC | 537 ms
56,676 KB |
testcase_15 | AC | 635 ms
56,632 KB |
testcase_16 | AC | 584 ms
56,284 KB |
testcase_17 | AC | 655 ms
57,388 KB |
testcase_18 | AC | 506 ms
56,284 KB |
testcase_19 | AC | 502 ms
56,580 KB |
testcase_20 | AC | 502 ms
56,424 KB |
testcase_21 | AC | 503 ms
56,704 KB |
testcase_22 | AC | 503 ms
56,744 KB |
testcase_23 | AC | 563 ms
56,696 KB |
testcase_24 | AC | 651 ms
56,728 KB |
testcase_25 | AC | 605 ms
56,848 KB |
testcase_26 | AC | 655 ms
56,760 KB |
testcase_27 | AC | 571 ms
56,604 KB |
testcase_28 | AC | 592 ms
56,612 KB |
testcase_29 | AC | 601 ms
56,844 KB |
testcase_30 | AC | 597 ms
56,540 KB |
testcase_31 | AC | 599 ms
54,136 KB |
testcase_32 | AC | 603 ms
56,356 KB |
testcase_33 | AC | 623 ms
56,980 KB |
testcase_34 | AC | 619 ms
57,444 KB |
testcase_35 | AC | 645 ms
57,128 KB |
testcase_36 | AC | 611 ms
57,012 KB |
testcase_37 | AC | 621 ms
56,812 KB |
testcase_38 | AC | 640 ms
57,156 KB |
testcase_39 | AC | 645 ms
57,112 KB |
testcase_40 | AC | 643 ms
56,996 KB |
testcase_41 | AC | 648 ms
57,304 KB |
testcase_42 | AC | 649 ms
57,108 KB |
testcase_43 | AC | 160 ms
55,776 KB |
testcase_44 | AC | 247 ms
55,980 KB |
testcase_45 | AC | 576 ms
55,840 KB |
ソースコード
package contest; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Comparator; import java.util.InputMismatchException; import java.util.PriorityQueue; public class Q483 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(); PriorityQueue<double[]> pq = new PriorityQueue<double[]>(2000, new Comparator<double[]>(){ public int compare(double[] x, double[] y) { return -Double.compare(x[0], y[0]); } }); double[] ps = new double[n]; for(int i = 0;i < n;i++){ ps[i] = nd()/1000; } double[] qs = new double[n]; for(int i = 0;i < n;i++){ qs[i] = nd()/100; } for(int i = 0;i < n;i++){ pq.add(new double[]{ps[i]*qs[i], qs[i]}); } double e = 0; for(int rep = 0;rep < 2500000;rep++){ double[] cur = pq.poll(); e += cur[0]*(rep+1); cur[0] *= 1.-cur[1]; pq.add(cur); } out.printf("%.12f\n", e); } void run() throws Exception { // int n = 1000, m = 99999; // Random gen = new Random(); // StringBuilder sb = new StringBuilder(); // sb.append(n + " "); // for (int i = 0; i < n; i++) { // sb.append(1 + " "); // } // for (int i = 0; i < n; i++) { // sb.append(1 + " "); // } // INPUT = sb.toString(); is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); long s = System.currentTimeMillis(); solve(); out.flush(); if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); } public static void main(String[] args) throws Exception { new Q483().run(); } private byte[] inbuf = new byte[1024]; private int lenbuf = 0, ptrbuf = 0; private int readByte() { if(lenbuf == -1)throw new InputMismatchException(); if(ptrbuf >= lenbuf){ ptrbuf = 0; try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); } if(lenbuf <= 0)return -1; } return inbuf[ptrbuf++]; } private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; } private double nd() { return Double.parseDouble(ns()); } private char nc() { return (char)skip(); } private String ns() { int b = skip(); StringBuilder sb = new StringBuilder(); while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ') sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } private char[] ns(int n) { char[] buf = new char[n]; int b = skip(), p = 0; while(p < n && !(isSpaceChar(b))){ buf[p++] = (char)b; b = readByte(); } return n == p ? buf : Arrays.copyOf(buf, p); } private char[][] nm(int n, int m) { char[][] map = new char[n][]; for(int i = 0;i < n;i++)map[i] = ns(m); return map; } private int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private int ni() { int num = 0, b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private long nl() { long num = 0; int b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); } }