adventofcode-2023/day_04/solution_04a.nim

import std/[cmdline, math, sequtils, strformat]

import common

var fn = if paramCount() > 0: paramStr(1) else: "input_04.txt"

var cards = parseInput(readFile(fn))
var result = sum(cards.mapIt(it.points))
echo &"Cards processed: {cards.len}"
echo &"Result: {result}"

case fn:
    of "input_04.txt":
        assert result == 18519
    of "sample_input_04.txt":
        assert result == 13