rubydemo/inverted_test.rb at master · rax7389/rubydemo · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44

a = gets
b = gets

def inverted(invert,length_loop)
  loop_cntrl,rev = 0,0
  temp = invert
  while loop_cntrl < length_loop do
    rem = temp % 10
    if rem == 0
      rev = rev*10 + rem
    elsif rem == 1
      rev = rev*10 + rem
    elsif rem == 6
      rev = rev*10 + 9
    elsif rem == 8
      rev = rev*10 + rem
    elsif rem == 9
      rev = rev*10 + 6
    end
    temp = (temp / 10).to_i
    loop_cntrl =loop_cntrl + 1
  end
  if rev == invert
    return true
  end
end

def inverted_input(a,b)
  ttl_inver_num,retn,length_loop = 0,false
  for i in (a..b)
    retn = inverted i , i.to_s.size

    if retn == true
      ttl_inver_num = ttl_inver_num + 1
    end
    retn = false
  end

  puts ttl_inver_num
end


inverted_input a.to_i , b.to_i