编程题,谢谢!
@arr = Array.new
for i in 0..19 do
@arr << rand(1...100)
end
print @arr,"\n"
@x1=0
@x2=0
@x3 = 0
@arr.each{ |y|
@x1 += 1 if (0..9)===y
@x2 += 1 if (10..99)===y
@x3 += 1 if y==100
}
puts @x1,@x2,@x3