fork download
copy 
  1. class MathGame
  2.   x=0
  3.   temp=100
  4.   puts temp.to_i # this prints 100
  5.  
  6.   for i in 0..100
  7.     t=100
  8.  
  9.     r = Random.new
  10.     r.rand(temp)
  11.  
  12.  
  13.     puts "#{x}+ #{r} = ?" #this prints the number in another format
  14.     temp = gets
  15.     x=x+r
  16.     if temp==x
  17.       puts " Right!"
  18.     else
  19.       puts " Wrong!"
  20.     end
  21.   end  # does not loop
  22. end
Runtime error #stdin #stdout #stderr 0.01s 7432KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
100
0+ #<Random:0x9d875d0> = ?
stderr
copy 
prog.rb:15:in `+': Random can't be coerced into Fixnum (TypeError)
	from prog.rb:15:in `block in <class:MathGame>'
	from prog.rb:6:in `each'
	from prog.rb:6:in `<class:MathGame>'
	from prog.rb:1:in `<main>'
https://ideone.com/QUmC7s
language:
Ruby (ruby 2.5.5)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!