28 lines
615 B
Nim
28 lines
615 B
Nim
import std/[cmdline, strformat]
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import common
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var fn = if paramCount() > 0: paramStr(1) else: "input_04.txt"
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var cards = parseInput(readFile(fn))
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var stack = cards
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var result = 0
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while stack.len > 0:
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result += len(stack)
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var extra_cards: seq[Card]
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for card in stack:
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if card.value > 0:
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extra_cards.add(cards[card.idx + 1..min(card.idx + card.value, cards.len - 1)])
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stack = extra_cards
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echo &"Cards processed: {cards.len}"
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echo &"Result: {result}"
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case fn:
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of "input_04.txt":
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assert result == 11787590
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of "sample_input_04.txt":
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assert result == 30
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