33 lines
781 B
Nim
33 lines
781 B
Nim
|
import std/strutils
|
||
|
|
import std/sequtils
|
||
|
|
|
||
|
|
proc run03_2(): string =
|
||
|
|
const input = staticRead"../input/day03.txt"
|
||
|
|
|
||
|
|
var res = 0
|
||
|
|
|
||
|
|
let lines = splitLines(input).filter(proc(p: string): bool = p != "")
|
||
|
|
|
||
|
|
for lineSet in lines.distribute(int(lines.len/3)):
|
||
|
|
|
||
|
|
let line1 = lineSet[0]
|
||
|
|
let line2 = lineSet[1]
|
||
|
|
let line3 = lineSet[2]
|
||
|
|
|
||
|
|
let badge = line1.toSeq().filter(proc(p: char): bool = line2.contains(p) and line3.contains(p))[0]
|
||
|
|
|
||
|
|
let prio = if int(badge) >= int('a'): int(badge) - int('a') + 1 else: int(badge) - int('A') + 27
|
||
|
|
|
||
|
|
# echo badge, " : ", prio
|
||
|
|
|
||
|
|
res += prio
|
||
|
|
|
||
|
|
return intToStr(res)
|
||
|
|
|
||
|
|
|
||
|
|
when not defined(js):
|
||
|
|
echo run03_2()
|
||
|
|
else:
|
||
|
|
proc js_run03_2(): cstring {.exportc.} =
|
||
|
|
return cstring(run03_2())
|