34 lines
631 B
Lua
Executable File
34 lines
631 B
Lua
Executable File
#!/usr/bin/env lua
|
|
|
|
fish = {}
|
|
for i = 0, 8 do fish[i] = 0 end
|
|
|
|
function count_fish()
|
|
count = 0
|
|
for fi = 0, 8 do
|
|
count = count + fish[fi]
|
|
end
|
|
return count
|
|
end
|
|
|
|
for line in io.lines("input.txt") do
|
|
for n in string.gmatch(line, "([^,]+)") do
|
|
fish[tonumber(n)] = fish[tonumber(n)] + 1
|
|
end
|
|
|
|
for iter = 1, 256 do
|
|
f = fish[0]
|
|
for fi = 0, 7 do
|
|
fish[fi] = fish[fi+1]
|
|
end
|
|
fish[8] = f
|
|
fish[6] = fish[6] + f
|
|
|
|
if iter == 80 then
|
|
print("Solution 1:", count_fish())
|
|
end
|
|
end
|
|
|
|
print("Solution 2:", count_fish())
|
|
end
|