Skip to content

Instantly share code, notes, and snippets.

💭
(🌸╹◡╹)ノ

Kenta Sato Tosainu

💭
(🌸╹◡╹)ノ
Block or report user

Report or block Tosainu

Hide content and notifications from this user.

Learn more about blocking users

Contact Support about this user’s behavior.

Learn more about reporting abuse

Report abuse
View GitHub Profile
@Tosainu
Tosainu / bfc.rs
Last active Aug 30, 2019
Brainf**k compiler (bf -> LLVM IR) and interpreter.
View bfc.rs
use std::collections::VecDeque;
use std::io::Read;
struct Emitter {
variable_idx: u32,
label_idx: u32,
loop_stack: VecDeque<u32>,
}
impl Emitter {
View binary_sqrt.rs
fn binary_sqrt(n: f64, tol: f64) -> f64 {
let mut s = 1.0f64;
let mut e = n;
while (s.powi(2) - n).abs() > tol {
let m = (s + e) / 2.0;
if m.powi(2) > n {
e = m;
} else {
s = m;
}
@Tosainu
Tosainu / a.rs
Last active Sep 1, 2019
競プロ用テンプレート
View a.rs
#![allow(unused_imports)]
use std::cmp::{self, Ord, Ordering};
use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, VecDeque};
use nyan::BinarySearch;
fn main() {
let stdin = std::io::stdin();
let mut sc = nyan::Scanner::new(stdin.lock());
@Tosainu
Tosainu / tree.cc
Created May 22, 2019
std::bitset を使った隣接行列の表現、木の DFS と BFS
View tree.cc
#include <algorithm>
#include <array>
#include <bitset>
#include <cstdint>
#include <deque>
#include <functional>
#include <iostream>
#include <limits>
#include <memory>
#include <queue>
View main.rs
use std::f32;
use num_complex::Complex;
// http://linas.org/art-gallery/escape/smooth.html
fn smooth_iter(i: u32, z: Complex<f32>) -> f32 {
i as f32 - z.norm().ln().ln() / 2.0f32.ln()
}
// https://github.com/Nuke928/mandelbrot-opengl/blob/039fe9213c01992584f7b391da49bdeeb8d259e2/shader.glsl#L10-L16
View 98-systemd-boot.hook
[Trigger]
Type = Package
Operation = Upgrade
Target = systemd
[Action]
Description = Updating systemd-boot
When = PostTransaction
Exec = /usr/bin/sh -c '/usr/bin/bootctl update && for f in $(/usr/bin/bootctl -p)/EFI/{BOOT/BOOTX64.EFI,systemd/systemd-bootx64.efi}; do /usr/bin/sbsign --key /root/secure-boot/db.key --cert /root/secure-boot/db.crt --output "$f" "$f"; done'
View Kbuild
EXTRA_CFLAGS = -Wall -g
obj-m = hello.o
View exploit.hs
{-# LANGUAGE OverloadedStrings #-}
-- Google CTF 2018 Quals: sftp
import Control.Monad
import Control.Monad.IO.Class (liftIO)
import Data.Bits
import qualified Data.ByteString.Char8 as BS
import Data.List
import Data.Maybe
View .cvimrc
let blacklists = ["https://inbox.google.com/*","https://tweetdeck.twitter.com/*","https://*.slack.com/*","http://0.0.0.0/*","http://[::]/*"]
View exploit.hs
{-# LANGUAGE OverloadedStrings #-}
-- ASIS CTF Quals 2018: FCascasde
import Control.Monad
import Control.Monad.IO.Class (liftIO)
import Data.Bits
import qualified Data.ByteString.Char8 as BS
import Data.Maybe
import Data.Monoid ((<>))
You can’t perform that action at this time.