Created
July 27, 2008 05:59
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class Hundred | |
def initialize(difficulty) | |
@difficulty = difficulty | |
@correct = 0 | |
@error = 0 | |
end | |
def question | |
case @difficulty | |
when 1 | |
"%d %c %d = " % [rand(10), [:+, :-, :*].choice, rand(10)]. | |
tap {|a, op, b| @ans = a.send(op, b) } | |
when 2 | |
"%d %c %d = " % [rand(100), [:+, :-, :*, :/].choice, rand(100)]. | |
tap do |a, op, b| | |
unless b == 0 || a < b || a % b != 0 | |
@ans = a.send(op, b) | |
else | |
retry | |
end | |
end | |
end | |
end | |
def answer(ans) | |
if ans == @ans | |
@correct += 1 | |
'正解' | |
else | |
@error += 1 | |
'不正解' | |
end | |
end | |
def result(start) | |
"正解 :#{@correct}\n" + | |
"不正解:#{@error}\n" + | |
"時間 :#{Time.now - start} sec" | |
end | |
end | |
if $0 == __FILE__ | |
puts '計算 100 開始' | |
print '難易度を選択してください。1:かんたん 2:むずかしい > ' | |
difficulty = gets.chomp.to_i | |
case difficulty | |
when 1 | |
print '1:かんたんを開始します' | |
when 2 | |
print '2:むずかしいを開始します' | |
else | |
puts '1か2を選択してください' | |
exit 1 | |
end | |
print ' plese enter > ' | |
gets | |
h = Hundred.new difficulty | |
start = Time.now | |
100.times do |i| | |
print h.question | |
puts h.answer gets.chomp.to_i | |
puts | |
if (i+1) % 10 == 0 | |
puts "#{i+1}問突破" | |
puts | |
end | |
end | |
puts h.result start | |
end |
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