結果
| 問題 |
No.173 カードゲーム(Medium)
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-01-30 01:33:31 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 455 ms / 3,000 ms |
| コード長 | 3,071 bytes |
| コンパイル時間 | 3,247 ms |
| コンパイル使用メモリ | 168,548 KB |
| 実行使用メモリ | 6,944 KB |
| 最終ジャッジ日時 | 2024-06-22 04:46:24 |
| 合計ジャッジ時間 | 5,847 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 10 |
コンパイルメッセージ
Main.d(111): Deprecation: function `Main.IO!(makeGlobal, makeGlobal).IO.put!("{}", double).put.putA!(c, double).putA` function requires a dual-context, which is deprecated
Main.d-mixin-88(90): instantiated from here: `putA!(c, double)`
Main.d(54): instantiated from here: `put!("{}", double)`
ソースコード
// URL: https://yukicoder.me/problems/no/173
import std.algorithm, std.array, std.container, std.math, std.range, std.typecons, std.string;
import std.conv, std.random;
const iter = 100_000;
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()
{
auto decide(ref int[] a, double p)
{
if (a.length == 1) {
auto r = a[0];
a = [];
return r;
}
auto q = uniform01;
if (q < p) {
auto r = a[0];
a = a[1..$];
return r;
} else {
auto i = uniform(1, a.length);
auto r = a[i];
a = a[0..i] ~ a[i+1..$];
return r;
}
}
auto a = A.dup, b = B.dup, sa = 0, sb = 0;
foreach (_; 0..N) {
auto ca = decide(a, Pa), cb = decide(b, Pb);
if (ca > cb) sa += ca+cb;
else if (ca < cb) sb += ca+cb;
}
return sa > sb;
}
auto r = 0;
foreach (_; 0..iter) r += calc;
io.put(r.to!double/iter);
}
auto io = IO!()();
import std.stdio;
struct IO(alias IN = stdin, alias OUT = stdout)
{
import std.conv, std.format, std.meta, std.traits;
auto getV(T...)(ref T v) { foreach (ref w; v) get(w); }
auto getA(T)(size_t n, ref T v) if (hasAssignableElements!T)
{ v = new T(n); foreach (ref w; v) get(w); }
auto getC(T...)(size_t n, ref T v)
if (allSatisfy!(hasAssignableElements, 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 (hasAssignableElements!T && hasAssignableElements!(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(alias conf = "{}", T...)(T v)
{
import core.stdc.stdlib;
mixin("
const PutConf c = "~conf~";
foreach (i, w; v) { putA!c(w); if (i < v.length-1) OUT.write(c.delimiter); }
static if (c.newline) OUT.writeln;
static if (c.flush) OUT.flush();
static if (c.exit) exit(0);
");
}
auto putB(alias conf = "{}", 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(alias c, T)(T v)
{
auto w = v;
while (!w.empty) { putA!c(w.front); w.popFront(); if (!w.empty) OUT.write(c.delimiter); }
}
auto putA(alias c, T)(T v)
{
static if (isInputRange!T && !isSomeString!T) putR!c(v);
else if (isFloatingPoint!T) OUT.write(format(c.floatFormat, v));
else OUT.write(v);
}
}
}
const struct PutConf
{
bool newline = true;
bool flush;
bool exit;
string floatFormat = "%.10f";
string delimiter = " ";
}