seungwonpark

% taegeukgi.tex
% Taeguekgi(태극기)
% Author: Seungwon Park (swpark.me)
% Date: 2017.11.12
% 국기 그리는 법은 아래의 행정안전부 지침을 따랐습니다.
% http://www.mois.go.kr/frt/sub/a06/b08/nationalIcon_2_2/screen.do
\documentclass{standalone}
\usepackage{tikz}
% CIE color space is replaced with RGB, using colorpicker.
\definecolor{taegeuk-red}{RGB}{199, 32, 50}

seungwonpark

% Author : Seungwon Park (swpark.me)
% convert -delay 2 -loop 0 -density 1000 -alpha remove imyeoni.pdf imyeoni.gif
% emoji: convert -delay 2 -loop 0 -density 120 -alpha remove imyeoni.pdf imyeoni.gif
\documentclass[tikz]{standalone}
\usepackage{tikz}
\usepackage{amsmath,amssymb}
\usepackage{kotex}
\begin{document}
	\foreach \ani in {0,3,...,57}{
		\begin{tikzpicture}

seungwonpark

// ==UserScript==
// @name         CF Hint Hider
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Hide algorithm hint at Codeforces
// @author       Seungwon Park (veydpz)
// @match        http://codeforces.com/problemset
// @grant        none
// ==/UserScript==

seungwonpark

% !TeX program = lualatex
\RequirePackage{luatex85}
\documentclass{standalone}
\usepackage{tikz}
\usepackage{luacode}
\usepackage{graphicx}
\definecolor{joired}{RGB}{218,11,49}
\definecolor{joigreen}{RGB}{18,136,104}
\definecolor{joiyellow}{RGB}{250,210,49}
\definecolor{joiblue}{RGB}{15,105,180}

seungwonpark

import numpy as np


# grouping = [[0,3],[1,2]]
# filename = 'hfc_20170614_example.csv'
# grouping = [[x for x in range(200*y, 200*(y+1))] for y in range(10)]

with open('random.csv', 'a') as f2:
	while(1):
		grouping_rand = np.random.permutation(2000)

seungwonpark

% Fourier Series of Square Wave - illustrated and computed by TeX.
% Author : Seungwon Park (swpark.me)
% convert -delay 10 -loop 0 -density 400 -alpha remove square-wave.pdf square-wave.gif
\documentclass[tikz]{standalone}
\usepackage{tikz}
\usetikzlibrary{calc}
\usepackage{amsmath,amssymb}
\usepackage{centernot}
\begin{document}
	\foreach \angle in {0,4,...,360}{

seungwonpark

\documentclass{article}
\newcount\x
\newcount\i
\def\collatz#1{
	\x #1 \relax
	\calccollatz
}
\def\calccollatz{
	\ifnum\x=1
		\the\x

seungwonpark

\documentclass{standalone}
\usepackage{kotex}
\makeatletter
\DeclareRobustCommand{\stdLaTeXbDay}{생\kern-.36em
	{%
		\sbox\z@ T%
		\vbox to\ht0{\hbox{$\m@th$%
				\csname S@\f@size\endcsname
				\fontsize\sf@size\z@
				\math@fontsfalse\selectfont

seungwonpark

\documentclass{standalone}
\usepackage{tikz,pgffor}
\usetikzlibrary{spy}
\begin{document}
	\begin{tikzpicture}
		[spy using overlays={circle, magnification=1.0,size=150}]
		\fill[color=black] (0,0) rectangle (10,10);
		\filldraw[fill=white, draw=black] (5,5) circle [radius=5];
		\foreach \i in {5,15,...,355}{
			\fill[black] (5,5) -- ( {5+5*cos(\i)} , {5+5*sin(\i)}  ) arc [start angle = \i, end angle = \i+5, radius = 5] -- (5,5);

seungwonpark

% !TeX program = xelatex
% TeXlive 2016, mactex 2016 기준
\documentclass[12pt]{article}
\usepackage[%
left=51.9mm,%
right=71.0mm,%
top=12.5mm,%
bottom=25.4mm,%
headheight=0mm,%
headsep=0mm,%