おっぱいそんちくびんびん♪ (D)

おっぱい.d

/*
    おっぱい.d

    2019/08/21: initial release

        Ubuntu 18.04.2 LTS (Bionic Beaver)

            DMD64 D Compiler v2.087.1

        Microsoft Windows 10 Version 1903 (OS build 18362.295)

            DMD32 D Compiler v2.087.1

            Note1: You have to change source name to oppai.d.
            Note2: You have to chcp 65001 (utf-8) on cmd.exe and PowerShell.

    Dedicated to shirasu
    https://gist.github.com/8q/a5331c6ef8a205b32125
*/

import std.algorithm : map;
import std.array : join;
import std.random : unpredictableSeed, Random, randomShuffle;
import std.stdio : write, writeln, writefln;

void main(string[] args)
{
    const string RealStr = "おっぱいそんちくびんびん";
    const string[] OppaiElements = ["おっ", "ぱい", "そん", "ちく", "びん", "びん"];

    auto rng = Random(unpredictableSeed());

    auto testStr = "";
    auto count = 0;
    do {
        ++count;
        auto numList = [0, 1, 2, 3, 4, 5].randomShuffle(rng);
        testStr = numList.map!(n => (OppaiElements[n])).join();
        writefln("%d %s", count, testStr);
    } while (testStr != RealStr);

    write("おめでとうございます！\x20");
    writefln("あなたは%d回目に%sしました。", count, RealStr);
    writeln("end");
}