blob: b9a97a38a0882c4c9b288bb74480db111e4bcc18 (
plain)
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#!/usr/bin/env lua
require("ext")
local sacks = {}
local common = {}
for line in io.lines() do
local compart_1 = {}
for i = 1,(#line/2) do
compart_1[line:sub(i,i)] = true
end
for i = (#line/2+1), #line do
local sb = line:sub(i,i)
if compart_1[sb] then
table.insert(common,sb)
break
end
end
end
local sum = 0
for _, p in pairs(common) do
if p >= 'a' and p <= 'z' then
sum = sum + (p:byte() - ('a'):byte() + 1)
elseif p >= 'A' and p <= 'Z' then
sum = sum + (p:byte() - ('A'):byte() + 1) + 26
end
end
print(sum)
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