24 lines
459 B
Nim
24 lines
459 B
Nim
import
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std/sequtils,
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std/strformat,
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std/strutils
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import
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../../adventofcode
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let input = adventofcode.getInput(2021, 1)
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let lines = input.splitLines().mapIt(it.parseInt())
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var depths = 0
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var prevSum = lines[0] + lines[1] + lines[2]
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for idx in 0 .. lines.high():
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if idx + 2 > lines.high(): break
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let currSum = lines[idx] + lines[idx + 1] + lines[idx + 2]
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if prevSum < currSum:
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depths += 1
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prevSum = currSum
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echo fmt"Answer: {depths}" |