Grant Slatton grantslatton
grantslatton
/ fizzbuzz.c
Last active
August 19, 2022 11:20
FizzBuzz solved using only bit twiddling. It essentially uses two deterministic finite automata for divisibility testing.
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| #include <stdio.h> | |
| int f0(unsigned int x) { return x? (x&(1<<31)? f1(x<<1) : f0(x<<1)) : 1; } | |
| int f1(unsigned int x) { return x? (x&(1<<31)? f3(x<<1) : f2(x<<1)) : 0; } | |
| int f2(unsigned int x) { return x? (x&(1<<31)? f0(x<<1) : f4(x<<1)) : 0; } | |
| int f3(unsigned int x) { return x? (x&(1<<31)? f2(x<<1) : f1(x<<1)) : 0; } | |
| int f4(unsigned int x) { return x? (x&(1<<31)? f4(x<<1) : f3(x<<1)) : 0; } | |
| int t0(unsigned int x) { return x? (x&(1<<31)? t1(x<<1) : t0(x<<1)) : 1; } | |
| int t1(unsigned int x) { return x? (x&(1<<31)? t0(x<<1) : t2(x<<1)) : 0; } | |
| int t2(unsigned int x) { return x? (x&(1<<31)? t2(x<<1) : t1(x<<1)) : 0; } |
grantslatton
/ hngen.py
Last active
September 27, 2021 11:07
A program that uses Markov chains to generate probabilistic Hacker News titles.
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| import urllib2 | |
| import re | |
| import sys | |
| from collections import defaultdict | |
| from random import random | |
| """ | |
| PLEASE DO NOT RUN THIS QUOTED CODE FOR THE SAKE OF daemonology's SERVER, IT IS | |
| NOT MY SERVER AND I FEEL BAD FOR ABUSING IT. JUST GET THE RESULTS OF THE | |
| CRAWL HERE: http://pastebin.com/raw.php?i=nqpsnTtW AND SAVE THEM TO "archive.txt" |
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| import chess | |
| import chess.engine | |
| from collections import defaultdict | |
| from marvin import ai_fn, ai_model | |
| from pydantic import BaseModel, Field | |
| def describe_board(board, illegal_moves): | |
| result = "" | |
| me = board.turn |