mame-n

class Array
  def sum
    self.inject { |s, score| s + score }
  end
end  

class Student
  def initialize( name, data )
    @name = name
    @data = data

mame-n

class Array
  def sum
    self.inject do |s, score|
      s + score
    end
  end
end  

class Student
  def initialize(name)

mame-n

require "test/unit"
require "pp"
require "./p101.rb"

class TC < Test::Unit::TestCase
  def setup
#    @eq = 1  # 1 is debug mode. Equation is un=n**3
    @eq = 0
    @o = P101.new( @eq )
  end

mame-n

class P101
    def initialize( eq = 0 )
        @n = 0
        @eq == eq
    end

    def main( m = 10 )
        (2..m).inject(1) do |sum, k|
            sum + bop( polynomial( k ))
        end

mame-n

let グーチョキパー = 0
input.onGesture(Gesture.Shake, () => {
 グーチョキパー = Math.random(3)
music.beginMelody(music.builtInMelody(Melodies.BaDing), MelodyOptions.Once)
if (グーチョキパー == 0) {
basic.showLeds(`
 . . . . .
 . # . # .
 # . # . #
 # . . . #

mame-n

class P84
  Num = 10000000
  def initialize
    @board = 
      ["GO","A1","CC1","A2","T1","R1","B1","CH1","B2","B3",
       "JAIL","C1","U1","C2","C3","R2","D1","CC2","D2","D3", 
       "FP","E1","CH2","E2","E3","R3","F1","F2","U2","F3",
       "G2J","G1","G2","CC3","G3","R4","CH3","H1","T2","H2"]
  end

mame-n

require "test/unit"
require "pp"
require "./p80.rb"

class TC < Test::Unit::TestCase
  def test_div_num
    o = P80.new
    assert_equal( [3, 25], o.div_num( 325 ) ) # Divided to 2 digits.
    assert_equal( [13, 25], o.div_num( 1325 ) )
    assert_equal( [9, 13, 25], o.div_num( 91325 ) )

mame-n

include Math

class P80

  def initialize
  end

  def main
    square = Array.new(11) {|i| i * i}
    square.delete_at(0)

mame-n

L = 1500000
MaxM = Math::sqrt( L / 2.0 ).to_i + 1

def pythagorean_nums
  (2..MaxM).inject([]) do |result, m|
    (1..m).each do |n|
      next if m.gcd( n ) != 1
      next if (m - n) % 2 == 0

      l = (m*m - n*n) +  (2*m*n) + (m*m + n*n)

mame-n

require "test/unit"
require "pp"
require "./p74.rb"

class TC < Test::Unit::TestCase
  def test_sum_factorial
    o = P74.new
    assert_equal( 1, o.sum_factorial(0) )
    assert_equal( 4*3*2, o.sum_factorial(4) )
    assert_equal( 4*3*2+2+6*5*4*3*2, o.sum_factorial(426) )