blob: b00d666704d5ed61f263b78223c178eb53b46835 (
plain)
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
|
#!/usr/bin/env ruby
def valof(reg_file, reg_or_int)
if reg_or_int >= 'a' && reg_or_int <= 'z' then
return reg_file[reg_or_int] || 0
end
return reg_or_int.to_i
end
input = $stdin.readlines.map(&:chomp)
reg = {'a' => 1}
pc = 0
loop do
break if pc < 0 || pc >= input.length
istr = input[pc].split
case istr[0]
when 'set'
reg[istr[1]] = valof(reg, istr[2])
when 'sub'
reg[istr[1]] = valof(reg, istr[1]) - valof(reg, istr[2])
when 'mul'
reg[istr[1]] = valof(reg, istr[1]) * valof(reg, istr[2])
when 'jnz'
if valof(reg, istr[1]) != 0 then
pc += valof(reg, istr[2])
pc -= 1
end
end
pc += 1
end
puts reg['h']
|
