dproject21

# encoding: utf-8
class LineItem < ActiveRecord::Base
  attr_accessible :product,:cart_id,:product_id
  belongs_to :product
  belongs_to :cart
end

dproject21

require './fib_map'

@fib_map = FibMap.new(100)

(0..100).each {|item|
  if @fib_map.fibonacci?(item) then
    p 'HENTAI!'
  else
    p item
  end

dproject21

def baseInt = 0
def addInt = 1
Closure fibonacci = {
    println baseInt
    def nextBase = addInt
    def nextAdd = baseInt + addInt
    baseInt = nextBase
    addInt = nextAdd
}

dproject21

def fibonacci() = {
  var baseInt = 0
  var addInt = 1
  () => {
    val nextBase = addInt
    val nextAdd = baseInt + addInt
    baseInt = nextBase
    addInt = nextAdd
  }
  println(baseInt)

dproject21

using System;
using System.Collections.Generic;

namespace yhpg4
{
	class MainClass
	{
		public static void Main (string[] args)
		{
			TetrominoChecker checker = new TetrominoChecker();

dproject21

ans = 0

for (int i: 100 .. 999) {
  for (int j: i .. 999) {
    m = i * j
    str = m.toString()
    reverseStr = str.reverse()
    if (str == reverseStr) {
        kaibun = str.toInteger()
        if (ans < kaibun) {

dproject21

b = 2
while(true) {
  canDiv = true
  for (int i: 2 .. 20) {
    if (b % i) {
        canDiv = false
        break
    }
  }
  if (canDiv) {

dproject21

sum1 = 0
for (int i: 1..100) {
    sum1 += i**2
}

sum2 = 0
for (int j: 1..100) {
    sum2 += j
}
sum2 = sum2**2

dproject21

primeList = [2]
intList = []
for (int i : 3 .. 200000) {
  if (i % 2 != 0) {
    intList.push(i)
  }
}
while(intList.size() != 0) {
primeList.push(intList.first())
intList.removeAll{it % primeList.last() == 0}

dproject21

line = "73167176531330624919225119674426574742355349194934" +
        "96983520312774506326239578318016984801869478851843" +
        "85861560789112949495459501737958331952853208805511" +
        "12540698747158523863050715693290963295227443043557" +
        "66896648950445244523161731856403098711121722383113" +
        "62229893423380308135336276614282806444486645238749" +
        "30358907296290491560440772390713810515859307960866" +
        "70172427121883998797908792274921901699720888093776" +
        "65727333001053367881220235421809751254540594752243" +
        "52584907711670556013604839586446706324415722155397" +