36 lines
1.1 KiB
Nim
36 lines
1.1 KiB
Nim
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import std/strutils
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import std/sequtils
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proc run04_1(): string =
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const input = staticRead"../input/day04.txt"
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var ctr = 0
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let lines = splitLines(input).filter(proc(p: string): bool = p != "")
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for line in lines:
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let pairs = line.split(",")
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let sec1s = parseInt(pairs[0].split("-")[0])
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let sec1e = parseInt(pairs[0].split("-")[1])
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let sec2s = parseInt(pairs[1].split("-")[0])
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let sec2e = parseInt(pairs[1].split("-")[1])
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if sec1s <= sec2s and sec2e <= sec1e:
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ctr+=1 # sec2 in sec1
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echo "[", sec2s, "..", sec2e, "]", " fully in ", "[", sec1s, "..", sec1e, "]"
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elif sec2s <= sec1s and sec1e <= sec2e:
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ctr+=1 # sec1 in sec2
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echo "[", sec1s, "..", sec1e, "]", " fully in ", "[", sec2s, "..", sec2e, "]"
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else:
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echo "[", sec1s, "..", sec1e, "]", " no overlap ", "[", sec2s, "..", sec2e, "]"
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return intToStr(ctr)
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when not defined(js):
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echo run04_1()
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else:
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proc js_run04_1(): cstring {.exportc.} =
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return cstring(run04_1())
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