dtinth

import java.util.Scanner;

interface Operator {
	int calc(int a, int b);
}

class Add implements Operator {
	public int calc(int a, int b) { return a + b; }
}
class Sub implements Operator {

dtinth

using System;
using System.Collections.Generic;

namespace PreExceed_Karaoke
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> l = new List<int>();

dtinth

" rainbow comments!! 
let s:currentcolor = 9
function! ChangeColor()
  let s:currentcolor += 1
  if s:currentcolor >= 15
    let s:currentcolor = 9
  end
  exe "hi Comment ctermfg=" . s:currentcolor
endfunction

dtinth

print("Enter your name: ")
puts("Hello, " + gets())

dtinth

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;

import org.mozilla.javascript.*;

public class Main {
	static BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

dtinth

import java.util.*;

public class SortByLength {
	private static Scanner scanner = new Scanner(System.in);
	public static void main(String[] args) {
		String[] strings = new String[Integer.parseInt(scanner.nextLine())];
		for (int i = 0; i < strings.length; i ++) {
			strings[i] = scanner.nextLine();
		}
		Arrays.sort(strings, new Comparator<String>() {

dtinth

(a^2 - 3) is never divisible by (9).

Proof

Suppose that (a) is any positive integer, we must show that

$$ a^2 - 3 = 9n + r; n \in \mathbb{Z}, r \in \mathbb{Z}, 0 < r < 9 $$

dtinth

Kitchen Sink

This is a kitchen sink.

A beautiful math inside a blockquote:

( \begin{aligned} \dot{x} & = \sigma(y-x) \ \dot{y} & = \rho x - y - xz \

dtinth

<script type="text/x-mathjax-config">MathJax.Hub.Config({ TeX: { Macros: {
  'NOT': '{\\sim}'
  , 'AND': '\\wedge'
  , 'OR': '\\vee'
  , 'IMPL': '\\rightarrow'
  , 'IMPLL': '\\Rightarrow'
  , 'IFF': '\\leftrightarrow'
  , 'IFFF': '\\Leftrightarrow'
  , 'EQUIV': '\\equiv'
  , 'taut': '\\textbf{t}'

dtinth

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>

#define DEBUG 1

typedef struct CELL *LIST;