blob: 7253a39f9047a0177f2830a6ba7bb7ce26139944 (
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
35
36
|
#!/usr/bin/env ruby
class Generator
def initialize(iv, factor, divisor)
@value = iv
@factor = factor
@divisor = divisor
end
def next
n = @value
loop do
n = (n * @factor) % 2147483647
break if n % @divisor == 0
end
@value = n
return n
end
end
input = $stdin.readlines.map(&:chomp)
ga = Generator.new(input[0].split[4].to_i, 16807, 4)
gb = Generator.new(input[1].split[4].to_i, 48271, 8)
matches = 0
Mask = 2**16
5_000_000.times do
a = ga.next % Mask
b = gb.next % Mask
matches += 1 if a == b
end
p matches
|
