結果
問題 | No.309 シャイな人たち (1) |
ユーザー | uwi |
提出日時 | 2015-12-02 15:47:38 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 621 ms / 4,000 ms |
コード長 | 5,323 bytes |
コンパイル時間 | 4,282 ms |
コンパイル使用メモリ | 86,880 KB |
実行使用メモリ | 60,128 KB |
最終ジャッジ日時 | 2024-09-14 07:55:18 |
合計ジャッジ時間 | 13,652 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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 | 601 ms
59,836 KB |
testcase_01 | AC | 585 ms
59,764 KB |
testcase_02 | AC | 575 ms
59,480 KB |
testcase_03 | AC | 616 ms
59,848 KB |
testcase_04 | AC | 193 ms
42,512 KB |
testcase_05 | AC | 324 ms
46,824 KB |
testcase_06 | AC | 577 ms
59,704 KB |
testcase_07 | AC | 596 ms
59,716 KB |
testcase_08 | AC | 621 ms
59,936 KB |
testcase_09 | AC | 600 ms
59,808 KB |
testcase_10 | AC | 611 ms
60,128 KB |
testcase_11 | AC | 615 ms
59,844 KB |
testcase_12 | AC | 616 ms
59,824 KB |
testcase_13 | AC | 122 ms
40,912 KB |
testcase_14 | AC | 124 ms
40,768 KB |
testcase_15 | AC | 317 ms
46,592 KB |
ソースコード
package q8xx; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class Q846_3 { InputStream is; PrintWriter out; String INPUT = ""; // String INPUT = "11 11 " // + "9 9 9 9 9 9 9 9 9 9 9 " // + "9 9 9 9 9 9 9 9 9 9 9 " // + "9 9 9 9 9 9 9 9 9 9 9 " // + "9 9 9 9 9 9 9 9 9 9 9 " // + "9 9 9 9 9 9 9 9 9 9 9 " // + "9 9 9 9 9 9 9 9 9 9 9 " // + "9 9 9 9 9 9 9 9 9 9 9 " // + "9 9 9 9 9 9 9 9 9 9 9 " // + "9 9 9 9 9 9 9 9 9 9 9 " // + "9 9 9 9 9 9 9 9 9 9 9 " // + "9 9 9 9 9 9 9 9 9 9 9 " // + "" // + "3 3 3 3 3 3 3 3 3 3 3 " // + "3 3 3 3 3 3 3 3 3 3 3 " // + "3 3 3 3 3 3 3 3 3 3 3 " // + "3 3 3 3 3 3 3 3 3 3 3 " // + "3 3 3 3 3 3 3 3 3 3 3 " // + "3 3 3 3 3 3 3 3 3 3 3 " // + "3 3 3 3 3 3 3 3 3 3 3 " // + "3 3 3 3 3 3 3 3 3 3 3 " // + "3 3 3 3 3 3 3 3 3 3 3 " // + "3 3 3 3 3 3 3 3 3 3 3 " // + "3 3 3 3 3 3 3 3 3 3 3 " // + ""; void solve() { int n = ni(), m = ni(); int[][] P = new int[n][]; for(int i = 0;i < n;i++)P[i] = na(m); int[][] S = new int[n][]; for(int i = 0;i < n;i++)S[i] = na(m); int[] trans = new int[1<<2*m]; for(int i = 0;i < 1<<2*m;i++){ int x = i; // 10 -> 00 for(int j = 0;j < m-1;j++){ if((x>>>2*j&15) == 4){ x ^= 4<<2*j; } } // 01 -> 00 for(int j = m-2;j >= 0;j--){ if((x>>>2*j&15) == 1){ x ^= 1<<2*j; } } // 020 -> 000 for(int j = 0;j < m-2;j++){ if((x>>>2*j&63) == 8){ x ^= 8<<2*j; } } for(int j = 0;j < m;j++){ if((x>>>2*j&3) == 0){ trans[i] |= 1<<j; } } // tr(i, trans[i]); } double[] last = new double[1<<m]; last[0] = 1; double E = 0; int mask = 0; for(int k = 0;k < m;k++)mask = mask<<2|1; for(int i = 0;i < n;i++){ double[] nlast = new double[1<<m]; for(int j = 0;j < 1<<m;j++){ double pr = 1; for(int k = 0;k < m;k++){ if(j<<~k<0){ pr *= (double)P[i][k]/100; }else{ pr *= (double)(100-P[i][k])/100; } } int ss = (1<<2*m)-1; int ng = mask; for(int k = 0;k < m;k++){ if(j<<~k<0 && S[i][k] < 4){ ss ^= 3<<2*k; ss ^= S[i][k]<<2*k; if(S[i][k] != 0)ng ^= 1<<2*k; } } for(int k = mask, l = (1<<m)-1;k >= 0;k--,l--){ k &= mask; int ind = ss - (k&~ng); // tr(ss, k, ng, k&~ng, ind, trans[ind]); nlast[trans[ind]] += pr * last[l]; E += pr*Integer.bitCount(trans[ind])*last[l]; } } last = nlast; } out.printf("%.14f\n", E); } void run() throws Exception { 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"); // Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){ // @Override // public void run() { // long s = System.currentTimeMillis(); // solve(); // out.flush(); // if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // } // }; // t.start(); // t.join(); } public static void main(String[] args) throws Exception { new Q846_3().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 int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private long[] nal(int n) { long[] a = new long[n]; for(int i = 0;i < n;i++)a[i] = nl(); return a; } 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[][] nmi(int n, int m) { int[][] map = new int[n][]; for(int i = 0;i < n;i++)map[i] = na(m); return map; } private int ni() { return (int)nl(); } 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)); } }