blob: 167e761d8d886f473037f3c4cda8889846823289 (
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
|
#!/usr/bin/env ruby
input = $stdin.readlines.map(&:chomp)
h = {}
input.each do |line|
cmd, cond = line.split(' if ')
cmda = cmd.split
reg = cmda[0]
h[reg] = 0 if h[reg].nil?
chg = (cmda[1] == 'inc' ? cmda[2].to_i : -cmda[2].to_i)
conda = cond.split
h[conda[0]] = 0 if h[conda[0]].nil?
go = case conda[1]
when '<'
h[conda[0]] < conda[2].to_i
when '<='
h[conda[0]] <= conda[2].to_i
when '=='
h[conda[0]] == conda[2].to_i
when '>='
h[conda[0]] >= conda[2].to_i
when '>'
h[conda[0]] > conda[2].to_i
when '!='
h[conda[0]] != conda[2].to_i
end
h[reg] += chg if go
end
puts h.to_a.map(&:last).max
|
