ドドスコード

ddsk.d

import std;

// enum seed = __TIME__.reduce!((a, b) => a * 9 + b);
enum seed = 8;
enum r = Mt19937(seed);

static foreach (s; generate_ddsk_sequence(r))
{
    pragma(msg, s);
}

string[] generate_ddsk_sequence(Random r)
{
    immutable end_pattern = 0b011_101_110_111;
    immutable mask = 0b111_111_111_111;
    immutable tokens = ["ドド", "スコ"];
    ulong recent;
    string[] ret;
    while (true)
    {
        long i = r.front() & 1;
        r.popFront();
        ret ~= tokens[i];
        recent = (recent << 1) + i;
        recent &= mask;
        if (12 <= ret.length && recent == end_pattern)
        {
            return ret;
        }
    }
}

void main()
{
    writeln("ラブ注入♡");
}