結果
問題 | No.174 カードゲーム(Hard) |
ユーザー | te-sh |
提出日時 | 2020-01-25 21:24:59 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 211 ms / 2,000 ms |
コード長 | 3,803 bytes |
コンパイル時間 | 2,832 ms |
コンパイル使用メモリ | 167,200 KB |
実行使用メモリ | 22,476 KB |
最終ジャッジ日時 | 2024-06-22 04:32:14 |
合計ジャッジ時間 | 5,149 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(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 | 1 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 205 ms
22,076 KB |
testcase_03 | AC | 206 ms
19,652 KB |
testcase_04 | AC | 207 ms
20,896 KB |
testcase_05 | AC | 204 ms
22,476 KB |
testcase_06 | AC | 201 ms
19,048 KB |
testcase_07 | AC | 205 ms
20,484 KB |
testcase_08 | AC | 211 ms
21,264 KB |
testcase_09 | AC | 202 ms
19,872 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 1 ms
6,940 KB |
ソースコード
// URL: https://yukicoder.me/problems/no/174 import std.algorithm, std.array, std.container, std.math, std.range, std.typecons, std.string; version(unittest) {} else void main() { int N; real Pa, Pb; io.getV(N, Pa, Pb); int[] A; io.getA(N, A); int[] B; io.getA(N, B); A.sort; B.sort; auto calc(int[] a, double p) { auto q = new double[][](N, N); foreach (ref qi; q) qi[] = 0; auto r = new double[](1<<N); r[] = 0; r[$-1] = 1; foreach_reverse (i; 1..1<<N) { auto c = i.popcnt, f = i.bsf; if (c == 1) { q[c-1][f] += r[i]; } else { auto d = r[i]*p; q[c-1][f] += d; r[i.bitReset(f)] += d; foreach (j; f+1..N) if (i.bitTest(j)) { d = r[i]*(1-p)/(c-1); q[c-1][j] += d; r[i.bitReset(j)] += d; } } } return q; } auto r1 = calc(A, Pa), r2 = calc(B, Pb), e = 0.0; foreach (i; 0..N) foreach (j; 0..N) foreach (k; 0..N) if (A[j] > B[k]) e += r1[i][j]*r2[i][k]*(A[j]+B[k]); io.put(e); } pragma(inline) { import core.bitop; pure bool bitTest(T)(T n, size_t i) { return (n & (T(1) << i)) != 0; } pure T bitSet(T)(T n, size_t i) { return n | (T(1) << i); } pure T bitReset(T)(T n, size_t i) { return n & ~(T(1) << i); } pure T bitComp(T)(T n, size_t i) { return n ^ (T(1) << i); } pure int bsf(T)(T n) { return core.bitop.bsf(ulong(n)); } pure int bsr(T)(T n) { return core.bitop.bsr(ulong(n)); } pure int popcnt(T)(T n) { return core.bitop.popcnt(ulong(n)); } } struct BitSubsetRange(bool includeZero = false, T) { private T n, i; this(T n) { this.n = this.i = n; } static if (includeZero) { @property pure T front() { return i&n; } void popFront() { i &= n; i--; } pure bool empty() { return i < 0; } } else { @property pure T front() { return i; } void popFront() { i = (i-1)&n; } pure bool empty() { return i <= 0; } } } auto bitSubset(bool includeZero = false, T)(T n) { return BitSubsetRange!(includeZero, T)(n); } auto io = IO!()(); import std.stdio; struct IO(string floatFormat = "%.10f", string delimiter = " ", alias IN = stdin, alias OUT = stdout) { import std.conv, std.format, std.meta, std.traits; alias assignable = hasAssignableElements; auto getV(T...)(ref T v) { foreach (ref w; v) get(w); } auto getA(T)(size_t n, ref T v) if (assignable!T) { v = new T(n); foreach (ref w; v) get(w); } auto getC(T...)(size_t n, ref T v) if (allSatisfy!(assignable, T)) { foreach (ref w; v) w = new typeof(w)(n); foreach (i; 0..n) foreach (ref w; v) get(w[i]); } auto getM(T)(size_t r, size_t c, ref T v) if (assignable!T && assignable!(ElementType!T)) { v = new T(r); foreach (ref w; v) getA(c, w); } template getS(E...) { auto getS(T)(size_t n, ref T v) { v = new T(n); foreach (ref w; v) foreach (e; E) mixin("get(w."~e~");"); } } auto put(bool flush = false, T...)(T v) { foreach (i, w; v) { putA(w); if (i < v.length-1) OUT.write(delimiter); } OUT.writeln; static if (flush) OUT.flush(); } auto putB(S, T)(bool c, S t, T f) { if (c) put(t); else put(f); } auto putRaw(T...)(T v) { OUT.write(v); OUT.writeln; } private { dchar[] buf; auto sp = (new dchar[](0)).splitter; void nextLine() { IN.readln(buf); sp = buf.splitter; } auto get(T)(ref T v) { if (sp.empty) nextLine(); v = sp.front.to!T; sp.popFront(); } auto putR(T)(T v) { auto w = v; while (!w.empty) { putA(w.front); w.popFront(); if (!w.empty) OUT.write(delimiter); } } auto putA(T)(T v) { static if (isInputRange!T && !isSomeString!T) putR(v); else if (isFloatingPoint!T) OUT.write(format(floatFormat, v)); else OUT.write(v); } } }